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Kern Singh

TitleAssociate Professor
InstitutionRush University, Rush Medical College
DepartmentOrthopedic Surgery
Address1611 W. Harrison St.
Chicago IL 60612
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    My Scopus ID is 7404762677


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Jacob KC, Patel MR, Nie JW, Hartman TJ, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Impact of American Society of Anesthesiologists' Classification on Postoperative Satisfaction and Clinical Outcomes Following Lumbar Decompression: Cohort-Matched Analysis. Clin Spine Surg. 2023 Oct 30. PMID: 37941112.
      View in: PubMed
    2. Roca AM, Anwar FN, Loya AC, Medakkar SS, Kaul A, Wolf JC, Khosla I, Federico VP, Sayari AJ, Lopez GD, Singh K. The Veterans Rand-12 Physical Composite Score Prognosticates Postoperative Clinical Outcomes in Patients Undergoing Anterior Cervical Discectomy and Fusion. World Neurosurg. 2023 Oct 28. PMID: 37821028.
      View in: PubMed
    3. Patel MR, Jacob KC, Prabhu MC, Shah VP, Vanjani NN, Pawlowski H, Singh K. Anterior Cervical Discectomy and Fusion Versus Cervical Disc Replacement for a Workers' Compensation Population in an Ambulatory Surgical Center. Clin Spine Surg. 2023 Oct 17. PMID: 37853571.
      View in: PubMed
    4. Anwar FN, Roca AM, Medakkar SS, Loya AC, Singh K. Response to the letter to the editor entitled: "Letter: impact of body mass index on PROMIS outcomes following lumbar decompression". Acta Neurochir (Wien). 2023 Oct 16. PMID: 37843606.
      View in: PubMed
    5. Jadczak CN, Vanjani NN, Pawlowski H, Cha EDK, Lynch CP, Prabhu MC, Hartman TJ, Nie JW, MacGregor KR, Zheng E, Oyetayo OO, Singh K. The Current Status of Awake Endoscopic Surgery: A Systematic Review and Meta-Analysis. World Neurosurg. 2023 Sep 14. PMID: 37714457.
      View in: PubMed
    6. MacGregor KR, Hartman TJ, Nie JW, Zheng E, Oyetayo OO, Massel DH, Sayari AJ, Singh K. Poor patient-reported mental health correlates with inferior patient-reported outcome measures following cervical disc replacement. Acta Neurochir (Wien). 2023 Nov; 165(11):3511-3519. PMID: 37704886.
      View in: PubMed
    7. Oyetayo OO, Nie JW, Hartman TJ, MacGregor KR, Zheng E, Anwar FN, Roca AM, Federico VP, Massel DH, Lopez GD, Sayari AJ, Singh K. Effect of baseline veterans RAND-12 physical composite score on postoperative patient-reported outcome measures following lateral lumbar interbody fusion. Acta Neurochir (Wien). 2023 Nov; 165(11):3531-3537. PMID: 37688649.
      View in: PubMed
    8. Federico VP, Nie JW, Hartman TJ, Oyetayo OO, Zheng E, MacGregor KR, Massel DH, Sayari AJ, Singh K. The Surgical Learning Curve for Cervical Disk Replacement. Clin Spine Surg. 2023 Sep 07. PMID: 37684720.
      View in: PubMed
    9. Nie JW, Federico VP, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Massel DH, Sayari AJ, Singh K. Time to achievement of minimum clinically important difference after lumbar decompression. Acta Neurochir (Wien). 2023 09; 165(9):2625-2631. PMID: 37488399.
      View in: PubMed
    10. Hartman TJ, Nie JW, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Coronavirus Disease 2019 Shutdown Did Not Affect Mental Health Scores in Lumbar Decompression Patients in a Large Metropolitan Region. Clin Spine Surg. 2023 Jul 21. PMID: 37482633.
      View in: PubMed
    11. Hartman TJ, Nie JW, Zheng E, MacGregor KR, Oyetayo OO, Singh K. Correlation Between Mental Health and Patient-Reported Outcomes After Lateral Lumbar Interbody Fusion. World Neurosurg. 2023 Jul 05. PMID: 37419311.
      View in: PubMed
    12. Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Federico VP, Massel DH, Sayari AJ, Singh K. Preoperative predictors of prolonged hospitalization in patients undergoing lateral lumbar interbody fusion. Acta Neurochir (Wien). 2023 09; 165(9):2615-2624. PMID: 37318634.
      View in: PubMed
    13. Nie JW, Hartman TJ, Zheng E, MacGregor KR, Oyetayo OO, Massel DH, Sayari AJ, Singh K. Postoperative clinical outcomes in patients undergoing MIS-TLIF versus LLIF for adjacent segment disease. Acta Neurochir (Wien). 2023 07; 165(7):1907-1914. PMID: 37261504.
      View in: PubMed
    14. Federico VP, Nie JW, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Massel DH, Sayari AJ, Singh K. Differences in Time to Achieve Minimum Clinically Important Difference Between Patients Undergoing Anterior Cervical Discectomy and Fusion and Cervical Disc Replacement. World Neurosurg. 2023 Aug; 176:e337-e344. PMID: 37230245.
      View in: PubMed
    15. Patel MR, Jacob KC, Chavez FA, Parsons AW, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Does Baseline Severity of Arm Pain Influence Outcomes Following Single-Level Anterior Cervical Discectomy and Fusion? Asian Spine J. 2023 Jun; 17(3):500-510. PMID: 37211669.
      View in: PubMed
    16. Hartman TJ, Nie JW, Zheng E, MacGregor KR, Oyetayo OO, Federico VP, Massel DH, Sayari AJ, Singh K. Depressed patients with greater symptom duration before MIS-TLIF do not report inferior outcomes. Acta Neurochir (Wien). 2023 07; 165(7):1923-1929. PMID: 37119321.
      View in: PubMed
    17. Hartman TJ, Nie JW, Oyetayo OO, Zheng E, MacGregor KR, Anwar FN, Federico VP, Massel DH, Sayari AJ, Lopez GD, Singh K. Understanding the Impact of Early Depressive Burden on Patient Perceptions of Outcomes Following Cervical Disc Replacement. World Neurosurg. 2023 Jul; 175:e1175-e1181. PMID: 37120140.
      View in: PubMed
    18. Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Federico VP, Massel DH, Sayari AJ, Singh K. Perioperative Predictors in Patients Undergoing Lateral Lumbar Interbody Fusion for Minimum Clinically Important Difference Achievement. World Neurosurg. 2023 Jul; 175:e914-e924. PMID: 37080454.
      View in: PubMed
    19. Hartman TJ, Nie JW, Zheng E, Oyetayo OO, MacGregor KR, Singh K. Poor mental health scores correlate with inferior outcomes following minimally invasive transforaminal lumbar interbody fusion. Acta Neurochir (Wien). 2023 07; 165(7):1931-1942. PMID: 37071181.
      View in: PubMed
    20. Hartman TJ, Nie JW, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Neck Disability Index as a Prognostic Factor for Outcomes Following Cervical Disc Replacement. Clin Spine Surg. 2023 10 01; 36(8):310-316. PMID: 37053118.
      View in: PubMed
    21. Hartman TJ, Nie JW, Zheng E, Oyetayo OO, MacGregor KR, Singh K. The Influence of Workers' Compensation Status on Patient-Reported Outcomes after Cervical Disc Arthroplasty at an Ambulatory Surgical Center. J Am Acad Orthop Surg. 2023 Sep 01; 31(17):e657-e664. PMID: 37054388.
      View in: PubMed
    22. Hartman TJ, Nie JW, Zheng E, MacGregor KR, Oyetayo OO, Federico VP, Massel DH, Sayari AJ, Singh K. Influence of Prolonged Duration of Symptoms Before MIS-TLIF in a Workers' Compensation Population. World Neurosurg. 2023 Jul; 175:e439-e446. PMID: 37024079.
      View in: PubMed
    23. Nie JW, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Federico VP, Massel DH, Sayari AJ, Singh K. Establishing Minimum Clinically Important Difference Thresholds for Physical Function and Pain in Patients Undergoing Anterior Lumbar Interbody Fusion. World Neurosurg. 2023 Jul; 175:e352-e360. PMID: 36972902.
      View in: PubMed
    24. Nie JW, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Federico VP, Massel DH, Sayari AJ, Singh K. Impact of body mass index on PROMIS outcomes following lumbar decompression. Acta Neurochir (Wien). 2023 06; 165(6):1427-1434. PMID: 36892729.
      View in: PubMed
    25. Hartman TJ, Nie JW, Federico VP, MacGregor KR, Oyetayo OO, Zheng E, Massel DH, Sayari AJ, Singh K. Does Symptom Duration Prior to Anterior Cervical Discectomy and Fusion for Disc Herniation Influence Patient-Reported Outcomes in a Workers' Compensation Population? World Neurosurg. 2023 May; 173:e748-e754. PMID: 36898631.
      View in: PubMed
    26. Nie JW, Hartman TJ, Zheng E, MacGregor KR, Oyetayo OO, Singh K. Impact of Preoperative 12-item Short Form Mental Composite Scores on Clinical Outcomes in Cervical Disc Replacement. Clin Spine Surg. 2023 07 01; 36(6):E263-E270. PMID: 36823703.
      View in: PubMed
    27. Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Massel DH, Singh K. Recovery ratios and minimum clinically important difference for clinical outcomes in workers' compensation recipients undergoing MIS-TLIF versus ALIF. Acta Neurochir (Wien). 2023 02; 165(2):315-323. PMID: 36637505.
      View in: PubMed
    28. Hartman TJ, Nie JW, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Correlation of mental health with physical function, pain, and disability following anterior lumbar interbody fusion. Acta Neurochir (Wien). 2023 02; 165(2):341-349. PMID: 36629953.
      View in: PubMed
    29. Nie JW, Hartman TJ, Oyetayo OO, Zheng E, MacGregor KR, Singh K. Impact of Sleep Disturbance on Clinical Outcomes in Lumbar Decompression. World Neurosurg. 2023 Apr; 172:e304-e311. PMID: 36632896.
      View in: PubMed
    30. Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Minimum Clinically Important Difference in Patients Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurosurgery. 2023 06 01; 92(6):1199-1207. PMID: 36625578.
      View in: PubMed
    31. Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Establishing minimum clinically important difference for patient-reported outcome measures in patients undergoing lateral lumbar interbody fusion. Acta Neurochir (Wien). 2023 02; 165(2):325-334. PMID: 36602614.
      View in: PubMed
    32. Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Parsons AW, Massel DH, Sarari AJ, Singh K. Impact of preoperative symptom duration in patients undergoing lateral lumbar interbody fusion. Acta Neurochir (Wien). 2023 01; 165(1):89-97. PMID: 36564650.
      View in: PubMed
    33. Patel MR, Jacob KC, Chavez FA, Parsons AW, Seetharaman M, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Impact of Postoperative Length of Stay on Patient-Reported and Clinical Outcomes After Anterior Lumbar Interbody Fusion. Int J Spine Surg. 2023 Apr; 17(2):205-214. PMID: 37085322.
      View in: PubMed
    34. Nie JW, Hartman TJ, Oyetayo OO, Zheng E, MacGregor KR, Massel DH, Sayari AJ, Singh K. Influence of Preoperative Disability on Clinical Outcomes in Patients Undergoing Anterior Lumbar Interbody Fusion. World Neurosurg. 2023 Mar; 171:e412-e421. PMID: 36509327.
      View in: PubMed
    35. Patel MR, Jacob KC, Parsons AW, Vanjani NN, Prabhu MC, Pawlowski H, Singh K. Impact of Gender on Postsurgical Outcomes in Patients Undergoing Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2022 Nov 23. PMID: 36418177.
      View in: PubMed
    36. Zuckerman SL, Berven S, Streiff MB, Kerolus M, Buchanan IA, Ha A, Bonfield CM, Buchholz AL, Buchowski JM, Burch S, Devin CJ, Dimar JR, Gum JL, Good C, Kim HJ, Kim JS, Lombardi JM, Mandigo CE, Bydon M, Oppenlander ME, Polly DW, Poulter G, Shah SA, Singh K, Than KD, Spyropoulos AC, Kaatz S, Jain A, Schutzer RW, Wang TZ, Mazique DC, Lenke LG, Lehman RA. Management of Anticoagulation/Antiplatelet Medication and Venous Thromboembolism Prophylaxis in Elective Spine Surgery: Concise Clinical Recommendations Based on a Modified Delphi Process. Spine (Phila Pa 1976). 2023 Mar 01; 48(5):301-309. PMID: 36730667.
      View in: PubMed
    37. Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Influence of Predominant Neck versus Arm Pain on Clinical Outcomes in Cervical Disc Replacement. World Neurosurg. 2022 Nov 09. PMID: 36334719.
      View in: PubMed
    38. Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Singh K. Pain Interference Influence on Postoperative Clinical Trajectory in Patients Undergoing Lumbar Decompression. World Neurosurg. 2022 Nov 09. PMID: 36334716.
      View in: PubMed
    39. Prabhu MC, Jacob KC, Patel MR, Nie JW, Hartman TJ, Singh K. Multimodal analgesic protocol for cervical disc replacement in the ambulatory setting: Clinical case series. J Clin Orthop Trauma. 2022 Dec; 35:102047. PMID: 36345544.
      View in: PubMed
    40. Nie JW, Hartman TJ, Zheng E, MacGregor KR, Oyetayo OO, Singh K. Neuromonitoring in Lateral Approaches for Lumbar Interbody Fusion: A Systematic Review. World Neurosurg. 2022 Oct 13. PMID: 36243359.
      View in: PubMed
    41. Prabhu MC, Jacob KC, Patel MR, Pawlowski H, Vanjani NN, Singh K. History and Evolution of the Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurospine. 2022 Sep; 19(3):479-491. PMID: 36203277.
      View in: PubMed
    42. Hartman TJ, Nie JW, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Impact of age within younger populations on outcomes following cervical surgery in the ambulatory setting. J Clin Orthop Trauma. 2022 Nov; 34:102016. PMID: 36164388.
      View in: PubMed
    43. Patel MR, Jacob KC, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Single-level Minimally Invasive Transforaminal Lumbar Interbody Fusion Versus Anterior Lumbar Interbody Fusion for the Surgical Treatment of Isthmic Spondylolisthesis. J Am Acad Orthop Surg. 2022 Nov 01; 30(21):e1382-e1390. PMID: 36264190.
      View in: PubMed
    44. Hartman TJ, Nie JW, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Workers compensation patients experiencing depression report meaningful improvement in mental health scores after anterior cervical discectomy and fusion. J Clin Orthop Trauma. 2022 Nov; 34:102020. PMID: 36161064.
      View in: PubMed
    45. Hartman TJ, Nie JW, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Impact of gender on outcomes following single-level anterior lumbar interbody fusion. J Clin Orthop Trauma. 2022 Nov; 34:102019. PMID: 36161065.
      View in: PubMed
    46. Jacob KC, Patel MR, Collins AP, Parsons AW, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. The Effect of the Severity of Preoperative Leg Pain on Patient-Reported Outcomes, Minimum Clinically Important Difference Achievement, and Patient Satisfaction After Minimally Invasive Transforaminal Lumbar Interbody Fusion. World Neurosurg. 2022 Nov; 167:e1196-e1207. PMID: 36075356.
      View in: PubMed
    47. Nie JW, Hartman TJ, Jacob KC, Patel MR, Vanjani NN, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Minimally Invasive Transforaminal versus Anterior Lumbar Interbody Fusion in Patients Undergoing Revision Fusion: Clinical Outcome Comparison. World Neurosurg. 2022 Nov; 167:e1208-e1218. PMID: 36075354.
      View in: PubMed
    48. Patel MR, Jacob KC, Amin KS, Ribot MA, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Does Baseline Mental Health Influence Outcomes among Workers' Compensation Claimants Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion? Asian Spine J. 2023 Feb; 17(1):96-108. PMID: 35989505.
      View in: PubMed
    49. Patel MR, Jacob KC, Zamanian C, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Single-Level Anterior Lumbar Interbody Fusion versus Minimally Invasive Transforaminal Lumbar Interbody Fusion at L5/S1 for an Obese Population. Asian Spine J. 2023 Apr; 17(2):293-303. PMID: 35989506.
      View in: PubMed
    50. Nie JW, Hartman TJ, Pawlowski H, Prabhu MC, Vanjani NN, Oyetayo OO, Singh K. Impact of Ambulatory Setting for Workers' Compensation Patients Undergoing One-Level Minimally Invasive Transforaminal Lumbar Interbody Fusion and Review of the Literature. World Neurosurg. 2022 Nov; 167:e251-e267. PMID: 35948231.
      View in: PubMed
    51. Jacob KC, Patel MR, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Comparing Patient-Reported Outcomes in Patients Undergoing Lumbar Fusion for Isthmic Spondylolisthesis with Predominant Back Pain versus Predominant Leg Pain Symptoms. World Neurosurg. 2022 Oct; 166:e672-e680. PMID: 35933097.
      View in: PubMed
    52. Lynch CP, Cha EDK, Patel MR, Jacob KC, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Predicting Acute Changes in Depressive Symptoms Following Lumbar Decompression. Int J Spine Surg. 2022 Jul 31. PMID: 35908806.
      View in: PubMed
    53. Barrett Sullivan T, Lynch CP, Cha EDK, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Impact of Lower Extremity Arthroplasty on Improvement of Quality-of-Life Outcomes Following Lumbar Fusion. Int J Spine Surg. 2022 Jul 31. PMID: 35908807.
      View in: PubMed
    54. Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Does Preoperative Symptom Duration Impact Clinical Outcomes After Minimally Invasive Transforaminal Lumbar Interbody Fusion in the Ambulatory Setting? World Neurosurg. 2022 Oct; 166:e599-e606. PMID: 35863643.
      View in: PubMed
    55. Cha EDK, Lynch CP, Ahn J, Patel MR, Jacob KC, Geoghegan CE, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Dysphagia May Attenuate Improvements in Postoperative Outcomes Following Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2022 Jul 15. PMID: 35840320.
      View in: PubMed
    56. Lynch CP, Cha EDK, Patel MR, Jacob KC, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Anterior Cervical Discectomy and Fusion Results in Clinically Significant Improvements in Patients With Preoperative Sleep Difficulties. Int J Spine Surg. 2022 Jul 14. PMID: 35835574.
      View in: PubMed
    57. Jacob KC, Patel MR, Park GA, Gheewala JR, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. The Influence of Presenting Physical Function on Postoperative Patient Satisfaction and Clinical Outcomes Following Minimally Invasive Lumbar Decompression. Clin Spine Surg. 2023 02 01; 36(1):E6-E13. PMID: 35759781.
      View in: PubMed
    58. Nolte MT, Parrish JM, Jenkins NW, Cha EDK, Lynch CP, Jadczak CN, Mohan S, Geoghegan CE, Hrynewycz NM, Singh K. Validation of Veterans RAND 12-Item Physical Function Survey in Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2022 Jun 20. PMID: 35728833.
      View in: PubMed
    59. Patel MR, Jacob KC, Chavez FA, DesLaurier JT, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Impact of Body Mass Index on Postsurgical Outcomes for Workers' Compensation Patients Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2022 Jun 20. PMID: 35728829.
      View in: PubMed
    60. Patel MR, Jacob KC, Nie JW, Hartman TJ, Vanjani N, Pawlowski H, Prabhu M, Amin KS, Singh K. The Effect of the Preoperative Severity of Neck Pain on Patient-Reported Outcome Measures and Minimum Clinically Important Difference Achievement After Anterior Cervical Discectomy and Fusion. World Neurosurg. 2022 Sep; 165:e337-e345. PMID: 35718277.
      View in: PubMed
    61. Jacob KC, Patel MR, Parsons AW, Prabhu MC, Ribot MA, Pawlowski H, Vanjani NN, Singh K. Level-specific Perioperative and Clinical Outcome Comparison: Cervical Disk Replacement Versus Anterior Cervical Diskectomy and Fusion at C5-C6 in Patients With Myeloradiculopathy. J Am Acad Orthop Surg. 2022 Sep 01; 30(17):e1137-e1147. PMID: 35984083.
      View in: PubMed
    62. Geoghegan CE, Jadczak CN, Jacob KC, Patel MR, Cha EDK, Lynch CP, Mohan S, Singh K. History of Prior Lumbar Surgery Does Not Impact Mental Health Outcomes Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2022 11 01; 35(9):E737-E742. PMID: 35696709.
      View in: PubMed
    63. Jacob KC, Patel MR, Parrish JM, Jenkins NW, Cha EDK, Lynch CP, Vanjani NN, Prabhu MC, Pawlowski H, Singh K. Response to the Letter to the Editor of X. Zhou et al. concerning "the influence of cognitive behavioral therapy on lumbar spine surgery outcomes: a systematic review and meta-analysis" by Parish JM, et al. (Eur Spine J [2021]; 30(5):1365-1379). Eur Spine J. 2022 07; 31(7):1927-1930. PMID: 35650307.
      View in: PubMed
    64. Zavras AG, Federico V, Nolte MT, Butler AJ, Dandu N, Munim M, Harper DE, Lopez GD, DeWald CJ, An HS, Singh K, Phillips FM, Colman MW. Risk Factors for Subsidence Following Anterior Lumbar Interbody Fusion. Global Spine J. 2022 May 20; 21925682221103588. PMID: 35593712.
      View in: PubMed
    65. Jacob KC, Patel MR, Nie JW, Hartman TJ, Ribot MA, Parsons AW, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Presenting Mental Health Influences Postoperative Clinical Trajectory and Long-Term Patient Satisfaction After Lumbar Decompression. World Neurosurg. 2022 08; 164:e649-e661. PMID: 35577207.
      View in: PubMed
    66. Patel MR, Jacob KC, Hartman TJ, Nie JW, Shah VP, Chavez FA, Vanjani NN, Lynch CP, Cha EDK, Prabhu MC, Pawlowski H, Singh K. Patient Satisfaction Following Lumbar Decompression: What is the Role of Mental Health? World Neurosurg. 2022 08; 164:e540-e547. PMID: 35568123.
      View in: PubMed
    67. Geoghegan CE, Mohan S, Lynch CP, Cha EDK, Jacob KC, Patel MR, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Validation of Neck Disability Index Severity among Patients Receiving One or Two-Level Anterior Cervical Surgery. Asian Spine J. 2023 Feb; 17(1):86-95. PMID: 35527536.
      View in: PubMed
    68. Lynch CP, Cha EDK, Jenkins NW, Parrish JM, Nolte MT, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Influence of Preoperative Depressive Burden on Achieving a Minimal Clinically Important Difference Following Lumbar Decompression. Clin Spine Surg. 2022 11 01; 35(9):E693-E697. PMID: 35509017.
      View in: PubMed
    69. Jacob KC, Patel MR, Prabhu MC, Vanjani NN, Pawlowski H, Munim MA, Singh K. Lateral Lumbar Interbody Fusion: Single Surgeon Learning Curve. World Neurosurg. 2022 08; 164:e411-e419. PMID: 35513278.
      View in: PubMed
    70. Patel MR, Jacob KC, Prabhu MC, Vanjani NN, Pawlowski H, Amin K, Singh K. Obesity and Workers' Compensation in the Setting of Minimally Invasive Lumbar Decompression. World Neurosurg. 2022 08; 164:e341-e348. PMID: 35490892.
      View in: PubMed
    71. Jacob KC, Patel MR, Vanjani NN, Pawlowski H, Prabhu MC, Park GJ, Collins AP, Singh K. Severe Comorbidity Burden Does Not Influence Postoperative Clinical Outcomes and Trajectory for Back Pain, Leg Pain, Physical Function, or Disability in Patients Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion: Cohort-Matched Analysis. World Neurosurg. 2022 08; 164:e157-e168. PMID: 35470080.
      View in: PubMed
    72. Jacob KC, Patel MR, Ribot MA, Pawlowski H, Prabhu MC, Vanjani NN, Collins AP, Singh K. Neck Disability at Presentation Influences Long-Term Clinical Improvement for Neck Pain, Arm Pain, Disability, and Physical Function in Patients Undergoing Anterior Cervical Discectomy and Fusion. World Neurosurg. 2022 07; 163:e663-e672. PMID: 35460906.
      View in: PubMed
    73. Colman MW, Zavras AG, Federico VP, Nolte MT, Butler AJ, Singh K, Phillips FM. Longitudinal assessment of segmental motion of the cervical spine following total disc arthroplasty: a comparative analysis of devices. J Neurosurg Spine. 2022 Apr 15; 1-7. PMID: 35426820.
      View in: PubMed
    74. Zavras AG, Nolte MT, Sayari AJ, Singh K, Colman MW. Stand-Alone Cage Versus Anterior Plating for 1-Level and 2-Level Anterior Cervical Discectomy and Fusion: A Randomized Controlled Trial. Clin Spine Surg. 2022 05 01; 35(4):155-165. PMID: 35394961.
      View in: PubMed
    75. Lynch CP, Cha EDK, Jacob KC, Patel MR, Jenkins NW, Parrish JM, Jadczak CN, Mohan S, Geoghegan CE, Singh K. The Worldwide Influence of Social Media on Cervical Spine Literature. Int J Spine Surg. 2022 Apr; 16(2):264-271. PMID: 35444034.
      View in: PubMed
    76. Cha EDK, Lynch CP, Hrynewycz NM, Geoghegan CE, Mohan S, Jadczak CN, Parrish JM, Jenkins NW, Singh K. Spine Surgery Complications in the Ambulatory Surgical Center Setting: Systematic Review. Clin Spine Surg. 2022 04 01; 35(3):118-126. PMID: 34183543.
      View in: PubMed
    77. Cha EDK, Lynch CP, Patel MR, Jacob KC, Geoghegan CE, Pawlowski H, Vanjani NN, Prabhu MC, Singh K. Influence of Preoperative Severity on Postoperative Improvement Among Patients With Myeloradiculopathy Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2022 08 01; 35(7):E576-E583. PMID: 35344523.
      View in: PubMed
    78. Singh K, Cha EDK, Lynch CP, Nolte MT, Parrish JM, Jenkins NW, Jacob KC, Patel MR, Vanjani NN, Pawlowski H, Prabhu MC, Myers JA. Risk Assessment of Anterior Lumbar Interbody Fusion Access in Degenerative Spinal Conditions. Clin Spine Surg. 2022 08 01; 35(7):E601-E609. PMID: 35344514.
      View in: PubMed
    79. Patel MR, Jacob KC, Parsons AW, Chavez FA, Ribot MA, Munim MA, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Systematic Review: Applications of Intraoperative Ultrasonography in Spinal Surgery. World Neurosurg. 2022 08; 164:e45-e58. PMID: 35259500.
      View in: PubMed
    80. Jacob KC, Patel MR, Collins AP, Park GJ, Vanjani NN, Prabhu MC, Pawlowski H, Parsons AW, Singh K. Meeting Patient Expectations and Achieving a Minimal Clinically Important Difference for Back Disability, Back Pain, and Leg Pain May Provide Predictive Utility for Achieving Patient Satisfaction Among Lumbar Decompression Patients. World Neurosurg. 2022 06; 162:e328-e335. PMID: 35259504.
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    82. Patel MR, Jacob KC, Shah VP, Pawlowski H, Vanjani NN, Prabhu MC, Singh K. Impact of Surgeon Experience on Outcomes of Anterior Cervical Discectomy and Fusion. J Am Acad Orthop Surg. 2022 Mar 01; 30(5):e537-e546. PMID: 34979519.
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    83. Cha EDK, Lynch CP, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Dual Role of Neck Disability Index in the Assessment of Quality of Life in Cervical Spine Patients. J Am Acad Orthop Surg. 2022 May 15; 30(10):e789-e798. PMID: 35191853.
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    84. Cha EDK, Lynch CP, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Impact of Depression Severity on Patient-Reported Outcome Measures Following Multilevel Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2022 Feb; 16(1):81-87. PMID: 35177533.
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    86. Cha EDK, Lynch CP, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Differences in Clinically Important Physical Function Improvement in Workers' Compensation Population. Int J Spine Surg. 2022 Feb; 16(1):176-185. PMID: 35177529.
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    87. Jacob KC, Patel MR, Ribot MA, Prabhu MC, Pawlowski H, Vanjani NN, Singh K. Single-level TLIF Versus LLIF at L4-5: A Comparison of Patient-reported Outcomes and Recovery Ratios. J Am Acad Orthop Surg. 2022 Feb 15; 30(4):e495-e505. PMID: 34921548.
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    88. Jacob KC, Patel MR, Park GJ, Cha EDK, Lynch CP, Collins AP, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Mental Health as a Predictor of Preoperative Expectations for Pain and Disability Following Lumbar Fusion. World Neurosurg. 2022 05; 161:e401-e407. PMID: 35151919.
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    89. Patel MR, Jacob KC, Vanjani NN, Prabhu MC, Lynch CP, Cha EDK, Pawlowski H, Rush AJ, Singh K. Does an Author's Social Media Presence Affect Dissemination of Spine Literature? World Neurosurg. 2022 04; 160:e643-e648. PMID: 35123025.
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    90. Patel MR, Jacob KC, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Commentary: Robotic-Assisted vs Nonrobotic-Assisted Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Cost-Utility Analysis. Neurosurgery. 2022 02 01; 90(2):e32-e33. PMID: 34995250.
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    91. Parrish JM, Jenkins NW, Haws BE, Cha EDK, Lynch CP, Patel MR, Jacob KC, Jadczak CN, Mohan S, Geoghegan CE, Louie PK, Hirsch BP, Colman MW, Singh K. Preliminary Evaluation of Standing Full-Length Plain Radiographs Utility in an Adult Degenerative Spine Practice. J Am Acad Orthop Surg. 2022 Feb 01; 30(3):e348-e360. PMID: 34889310.
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    92. Parrish JM, Jenkins NW, Cha EDK, Lynch CP, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Epidemiological Relevance of Elevated Preoperative Patient Health Questionnaire-9 Scores on Clinical Improvement Following Lumbar Decompression. Int J Spine Surg. 2022 Feb; 16(1):159-167. PMID: 35314511.
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    93. Cha EDK, Lynch CP, Patel MR, Jacob KC, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Preoperative Duration of Symptoms Does Not Affect Outcomes of Anterior Lumbar Interbody Fusion. Neurosurgery. 2022 02 01; 90(2):215-220. PMID: 34995271.
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    94. Cha EDK, Lynch CP, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Impact of Obesity Severity on Achieving a Minimum Clinically Important Difference Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2022 02 01; 35(1):E267-E273. PMID: 34050042.
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    95. Lovecchio F, Premkumar A, Steinhaus M, Alexander K, Mejia D, Yoo JS, Lafage V, Iyer S, Huang R, Lebl D, Qureshi S, Kim HJ, Singh K, Albert T. Early Opioid Consumption Patterns After Anterior Cervical Spine Surgery. Clin Spine Surg. 2022 02 01; 35(1):E121-E126. PMID: 33783369.
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    96. Jacob KC, Patel MR, Park GJ, Ribot MA, Parsons AW, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Influence of Self-Identified Gender on Clinical Outcomes and Postoperative Patient Satisfaction After Lumbar Decompression: Cohort-Matched Analysis. World Neurosurg. 2022 04; 160:e616-e627. PMID: 35108646.
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    97. Patel MR, Jacob KC, Lynch CP, Cha EDK, Patel SD, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Impact of Time to Surgery for Patients Using Workers' Compensation Insurance Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Preliminary Analysis of Clinical Outcomes. World Neurosurg. 2022 04; 160:e421-e429. PMID: 35033696.
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    98. Patel MR, Jacob KC, Shah VP, Prabhu MC, Pawlowski H, Vanjani NN, Singh K. Influence of Predominant Neck versus Arm Pain on Anterior Cervical Discectomy and Fusion Outcomes: A Follow-Up Study. World Neurosurg. 2022 04; 160:e288-e295. PMID: 35017074.
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    99. Lynch CP, Cha EDK, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Higher American Society of Anesthesiologists Classification Does Not Limit Safety or Improvement Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurospine. 2022 Sep; 19(3):533-543. PMID: 34990539.
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    100. Lynch CP, Cha EDK, Patel MR, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Effects of Anterior Plating on Achieving Clinically Meaningful Improvement Following Single-Level Anterior Cervical Discectomy and Fusion. Neurospine. 2022 Jun; 19(2):315-322. PMID: 34990538.
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    101. Lynch CP, Cha EDK, Jadczak CN, Mohan S, Geoghegan CE, Singh K. What Can Legacy Patient-Reported Outcome Measures Tell Us About Participation Bias in Patient-Reported Outcomes Measurement Information System Scores Among Lumbar Spine Patients? Neurospine. 2022 Jun; 19(2):307-314. PMID: 34990540.
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    102. Lynch CP, Cha EDK, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Impact of Prolonged Duration of Symptoms on Mental Health in Anterior Cervical Disectomy and Fusion Patients. J Am Acad Orthop Surg. 2022 Jan 01; 30(1):e74-e82. PMID: 34343162.
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    103. Lynch CP, Cha EDK, Rush Iii AJ, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Outcomes of Transforaminal Lumbar Interbody Fusion Using Unilateral Versus Bilateral Interbody Cages. Neurospine. 2021 Dec; 18(4):854-862. PMID: 35000341.
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    104. Nolte MT, Cha EDK, Lynch CP, Jacob KC, Patel MR, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Change in Patient-Reported Outcome Measures as Predictors of Revision Lumbar Decompression Procedures. Neurospine. 2021 Dec; 18(4):863-870. PMID: 35000342.
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    105. Cha EDK, Lynch CP, Jacob KC, Patel MR, Parrish JM, Jenkins NW, Geoghegan CE, Jadczak CN, Mohan S, Singh K. Workers' Compensation Association With Clinical Outcomes After Anterior Cervical Diskectomy and Fusion. Neurosurgery. 2022 03 01; 90(3):322-328. PMID: 35006206.
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    106. Mohan S, Lynch CP, Cha EDK, Jacob KC, Patel MR, Geoghegan CE, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Baseline Risk Factors for Prolonged Opioid Use Following Spine Surgery: Systematic Review and Meta-Analysis. World Neurosurg. 2022 Mar; 159:179-188.e2. PMID: 34971835.
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    107. Jacob KC, Patel MR, Collins AP, Ribot MA, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. The Effect of the Severity of Preoperative Disability on Patient-Reported Outcomes and Patient Satisfaction Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. World Neurosurg. 2022 Mar; 159:e334-e346. PMID: 34942388.
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    108. Patel MR, Jacob KC, Patel SD, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Influence of Preoperative 12-Item Short Form Mental Composite Score on Clinical Outcomes in an Isthmic Spondylolisthesis Population Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion. World Neurosurg. 2022 02; 158:e1022-e1030. PMID: 34906755.
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    111. Jenkins NW, Parrish JM, Lynch CP, Cha EDK, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Association of Preoperative Physical Function and Changes in Mental Health After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2021 Dec; 15(6):1115-1122. PMID: 35086868.
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    114. Lynch CP, Cha EDK, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Two-year validation and minimal clinically important difference of the Veterans RAND 12 Item Health Survey Physical Component Score in patients undergoing minimally invasive transforaminal lumbar interbody fusion. J Neurosurg Spine. 2022 May 01; 36(5):731-740. PMID: 34798597.
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    116. Zavras AG, Dandu N, Espinoza-Orias AA, Singh K, An HS, Inoue N, Colman MW. Computed Tomography Osteoabsorptiometry Evaluation of Cervical Endplate Subchondral Bone Mineral Density. Global Spine J. 2023 Sep; 13(7):1803-1811. PMID: 34736350.
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    117. Lynch CP, Cha EDK, Jadczak CN, Mohan S, Geoghegan CE, Singh K. Impact of Depression on Patient Reported Outcomes Following Primary Versus Revision ACDF. Spine (Phila Pa 1976). 2021 Oct 15; 46(20):1378-1386. PMID: 33710110.
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    118. Lynch CP, Cha EDK, Jenkins NW, Parrish JM, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Readability Analysis of Patient-Accessible Information Regarding Ambulatory Surgical Center Procedures. Int J Spine Surg. 2021 Oct; 15(5):1046-1053. PMID: 34649950.
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    119. Cha EDK, Lynch CP, Parrish JM, Jenkins NW, Buvanendran A, Singh K. Response to Letter to the Editor by Soffin et al. Int J Spine Surg. 2021 Oct; 15(5):850-852. PMID: 34625455.
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    120. Jacob KC, Patel MR, Ribot MA, Parsons AW, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Single-Level Minimally Invasive Transforaminal Lumbar Interbody Fusion versus Anterior Lumbar Interbody Fusion with Posterior Instrumentation at L5/S1. World Neurosurg. 2022 01; 157:e111-e122. PMID: 34610449.
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    121. Jacob KC, Patel MR, Parsons AW, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. The Effect of the Severity of Preoperative Back Pain on Patient-Reported Outcomes, Recovery Ratios, and Patient Satisfaction Following Minimally Invasive Transforaminal Lumbar Interbody Fusion (MIS-TLIF). World Neurosurg. 2021 12; 156:e254-e265. PMID: 34583000.
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    124. Mohan S, Cha EDK, Lynch CP, Geoghegan CE, Jadczak CN, Singh K. Impact of Advanced Age on Postoperative Outcomes Following Transforaminal Lumbar Interbody Fusion. J Am Acad Orthop Surg. 2021 Sep 01; 29(17):e869-e879. PMID: 33999871.
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    125. Zavras AG, Sullivan TB, Singh K, Phillips FM, Colman MW. Failure in cervical total disc arthroplasty: single institution experience, systematic review of the literature, and proposal of the RUSH TDA failure classification system. Spine J. 2022 03; 22(3):353-369. PMID: 34419625.
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    126. Lynch CP, Cha EDK, Jacob KC, Patel MR, Jenkins NW, Parrish JM, Mohan S, Jadczak CN, Geoghegan CE, Singh K. Validation of VR-12 Physical Function in Minimally Invasive Lumbar Discectomy. World Neurosurg. 2021 11; 155:e362-e368. PMID: 34419655.
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    127. Nolte MT, Parrish JM, Jenkins NW, Cha EDK, Lynch CP, Mohan S, Geoghegan CE, Jadczak CN, Hrynewycz NM, Singh K. The Influence of Comorbidity on Postoperative Outcomes Following Lumbar Decompression. Clin Spine Surg. 2021 08 01; 34(7):E390-E396. PMID: 33560010.
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    128. Nolte MT, Parrish JM, Jenkins NW, Cha EDK, Lynch CP, Jacob KC, Patel MR, Jadczak CN, Geoghegan CE, Mohan S, Podnar J, Buvanendran A, Singh K. Multimodal Analgesic Management for Lumbar Decompression Surgery in the Ambulatory Setting: Clinical Case Series and Review of the Literature. World Neurosurg. 2021 10; 154:e656-e664. PMID: 34343679.
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    130. Lynch CP, Cha EDK, Patel MR, Jacob KC, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Diabetes Mellitus Does Not Impact Achievement of a Minimum Clinically Important Difference Following Anterior Cervical Discectomy and Fusion. World Neurosurg. 2021 10; 154:e520-e528. PMID: 34311136.
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    131. Jenkins NW, Parrish JM, Nolte MT, Jadczak CN, Geoghegan CE, Mohan S, Hrynewycz NM, Singh K. Charlson Comorbidity Index: An Inaccurate Predictor of Minimally Invasive Lumbar Spinal Fusion Outcomes. Int J Spine Surg. 2021 Aug; 15(4):770-779. PMID: 34266930.
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    139. Nguyen AQ, Harvey JP, Khanna K, Basques BA, Harada GK, Phillips FM, Singh K, Dewald C, An HS, Colman MW. Reasons for revision following stand-alone anterior lumbar interbody fusion and lateral lumbar interbody fusion. J Neurosurg Spine. 2021 Apr 30; 35(1):60-66. PMID: 33930870.
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    143. Parrish JM, Jenkins NW, Massel DH, Rush AJ, Parrish MS, Hrynewycz NM, Brundage TS, Van Horn R, Singh K. The Perioperative Symptom Severity of Higher Patient Health Questionnaire-9 Scores Between Genders in Single-Level Lumbar Fusion. Int J Spine Surg. 2021 Feb; 15(1):62-73. PMID: 33900958.
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    145. Jenkins NW, Parrish JM, Sheha ED, Singh K. Intraoperative risks of radiation exposure for the surgeon and patient. Ann Transl Med. 2021 Jan; 9(1):84. PMID: 33553377.
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    147. Parrish JM, Jenkins NW, Brundage TS, Hrynewycz NM, Podnar J, Buvanendran A, Singh K. Outpatient Minimally Invasive Lumbar Fusion Using Multimodal Analgesic Management in the Ambulatory Surgery Setting. Int J Spine Surg. 2020 Dec; 14(6):970-981. PMID: 33560257.
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    150. Parrish JM, Jenkins NW, Nolte MT, Massel DH, Hrynewycz NM, Brundage TS, Singh K. A Validation of Patient Health Questionnaire-9 for Cervical Spine Surgery. Spine (Phila Pa 1976). 2020 Dec 01; 45(23):1668-1675. PMID: 32756288.
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    153. Jenkins NW, Parrish JM, Lynch CP, Cha EDK, Mohan S, Geoghegan CE, Jadczak CN, Singh K. The Association of Preoperative Duration of Symptoms With Clinical Outcomes and Minimal Clinically Important Difference Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2020 11; 33(9):378-381. PMID: 33003046.
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    154. Parrish JM, Jenkins NW, Brundage TS, Hrynewycz NM, Yoo JS, Singh K. PROMIS Physical Function Predicts Postoperative Pain and Disability Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2020 11; 33(9):382-387. PMID: 32168114.
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    155. Tabaraee E, Ahn J, Aboushaala K, Singh K. A Comparison of Surgical Outcomes Between Minimally Invasive and Open Thoracolumbar Corpectomy. Int J Spine Surg. 2020 Oct; 14(5):736-744. PMID: 33097587.
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    156. Massel DH, Mayo BC, Narain AS, Hijji FY, Louie PK, Jenkins NW, Parrish JM, Singh K. Improvements in Back and Leg Pain Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2020 Oct; 14(5):745-755. PMID: 33184122.
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    157. Hirsch BP, Parrish JM, Jenkins NW, Khechen B, Haws BE, Patel DV, Yoo JS, Lamoutte EH, Karmarkar SS, Colman MW, Phillips FM, Singh K. Patient Perceptions of Physician Ownership in Spine Care. Clin Spine Surg. 2020 10; 33(8):E369-E375. PMID: 32205522.
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    158. Parrish JM, Jenkins NW, Narain AS, Hrynewycz NM, Brundage TS, Singh K. Postoperative Pain, Narcotics Consumption, and Patient-Reported Outcomes Based on PROMIS Physical Function Following a Single-Level Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2020 Sep 01; 45(17):E1091-E1096. PMID: 32926609.
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    159. Parrish JM, Jenkins NW, Brundage TS, Hrynewycz NM, Singh K. The Top 100 Spine Surgery Articles on Social Media: An Altmetric Study. Spine (Phila Pa 1976). 2020 Sep 01; 45(17):1229-1238. PMID: 32355144.
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    160. Jenkins NW, Parrish JM, Singh K. Commentary: Patient-Controlled Analgesia Following Lumbar Spinal Fusion Surgery Is Associated With Increased Opioid Consumption and Opioid-Related Adverse Events. Neurosurgery. 2020 09 01; 87(3):E311-E312. PMID: 32357227.
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    161. Narain AS, Haws BE, Jenkins NW, Parrish JM, Block AM, Lamoutte EH, Karmarkar SS, Singh K. Diabetes Does Not Increase Complications, Length of Stay, or Hospital Costs After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2020 08; 33(7):E307-E311. PMID: 32433099.
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    162. Yoo JS, Parrish JM, Jenkins NW, Brundage TS, Hrynewycz NM, Patel DS, Singh K. PROMIS PF in the Evaluation of Postoperative Outcomes in Workers' Compensation Patients Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2020 08; 33(7):E312-E316. PMID: 31895127.
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    163. Jenkins NW, Parrish JM, Mohan S, Geoghegan CE, Jadczak CN, Hrynewycz NM, Singh K. Preoperative patient activation is predictive of improvements in patient-reported outcomes following minimally invasive lumbar decompression. Eur Spine J. 2020 09; 29(9):2222-2230. PMID: 32621078.
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    164. Parrish JM, Jenkins NW, Hrynewycz NM, Brundage TS, Yoo JS, Singh K. The Impact of Comorbidity Burden on Postoperative PROMIS Physical Function Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2020 07; 33(6):E294-E298. PMID: 31913181.
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    165. Jenkins NW, Parrish JM, Khechen B, Block AM, Lalehzarian SP, Brundage T, Hrynewycz N, Iyer S, Singh K. Outcomes of Expandable Interbody Devices in Lumbar Fusion: A Systematic Review and Meta-analysis. Clin Spine Surg. 2020 07; 33(6):230-243. PMID: 32101992.
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    166. Yoo JS, Patel DS, Hrynewycz NM, Brundage TS, Mogilevsky FA, Singh K. The Effect of Preoperative Symptom Duration on Postoperative Outcomes After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2020 07; 33(6):E263-E268. PMID: 31503049.
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    167. Jenkins NW, Parrish JM, Brundage TS, Hrynewycz NM, Singh K. Association of Preoperative PROMIS Scores With Short-term Postoperative Improvements in Physical Function After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurospine. 2020 Jun; 17(2):417-425. PMID: 32615700.
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    168. Narain AS, Hijji FY, Haws BE, Khechen B, Kudaravalli KT, Yom KH, Singh K. Risk Factors for Medical and Surgical Complications after 1-2-Level Anterior Cervical Discectomy and Fusion Procedures. Int J Spine Surg. 2020 Jun; 14(3):286-293. PMID: 32699749.
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    169. Mayo BC, Massel DH, Yacob A, Narain AS, Hijji FY, Jenkins NW, Parrish JM, Modi KD, Long WW, Hrynewycz NM, Brundage TS, Singh K. A Review of Vitamin D in Spinal Surgery: Deficiency Screening, Treatment, and Outcomes. Int J Spine Surg. 2020 Jun; 14(3):447-454. PMID: 32699770.
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    170. Jenkins NW, Parrish JM, Brundage TS, Hrynewycz NM, Yoo JS, Singh K. Validity of Patient Health Questionnaire-9 in Minimally Invasive Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2020 Jun 01; 45(11):E663-E669. PMID: 31809474.
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    171. Jenkins NW, Parrish JM, Hrynewycz NM, Brundage TS, Singh K. Complications Following Minimally Invasive Transforaminal Lumbar Interbody Fusion: Incidence, Independent Risk Factors, and Clinical Impact. Clin Spine Surg. 2020 06; 33(5):E236-E240. PMID: 31913178.
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    172. Parrish JM, Jenkins NW, Nolte MT, Massel DH, Hrynewycz NM, Brundage TS, Myers JA, Singh K. Predictors of inpatient admission in the setting of anterior lumbar interbody fusion: a Minimally Invasive Spine Study Group (MISSG) investigation. J Neurosurg Spine. 2020 May 22; 1-9. PMID: 32442965.
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    173. Parrish JM, Jenkins NW, Singh K. Balancing Choices to Recover From the COVID-19 Pandemic. Neurospine. 2020 Jun; 17(2):339-341. PMID: 32408727.
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    174. Mayo BC, Singh K. Tubular Transforaminal Lumbar Interbody Fusion is Superior to a Midline Incision With Cortical Screws for a Minimally Invasive Interbody Fusion. Clin Spine Surg. 2020 05; 33(4):131-133. PMID: 30507638.
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    175. Massel DH, Mayo BC, Long WW, Modi KD, Lopez GD, Shifflett GD, Basques BA, Louie PK, Bohl DD, Hijji FY, Narain AS, Singh K. Minimally Invasive Transforaminal Lumbar Interbody Fusion: Comparison of Grade I Versus Grade II Isthmic Spondylolisthesis. Int J Spine Surg. 2020 Apr; 14(2):108-114. PMID: 32355614.
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    176. Narain AS, Parrish JM, Jenkins NW, Haws BE, Khechen B, Yom KH, Kudaravalli KT, Guntin JA, Singh K. Risk Factors for Medical and Surgical Complications After Single-Level Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2020 Apr; 14(2):125-132. PMID: 32355616.
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    177. Massel DH, Mayo BC, Shifflett GD, Bohl DD, Louie PK, Basques BA, Long WW, Modi KD, Hijji FY, Narain AS, Singh K. Minimally Invasive Transforaminal Lumbar Interbody Fusion: Comparison of Isthmic Versus Degenerative Spondylolisthesis. Int J Spine Surg. 2020 Apr; 14(2):115-124. PMID: 32355615.
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    178. Parrish JM, Jenkins NW, Hrynewycz NM, Brundage TS, Singh K. The influence of gender on postoperative PROMIS physical function outcomes following minimally invasive transforaminal lumbar interbody fusion. J Clin Orthop Trauma. 2020 Sep-Oct; 11(5):910-915. PMID: 32879580.
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    179. Iyer S, Yoo JS, Jenkins NW, Parrish JM, Khechen B, Haws BE, Nolte MT, Brundage TS, Hrynewycz NM, Phillips FM, Singh K. All Disclosure is Good Disclosure: Patient Awareness of the Sunshine Act and Perceptions of Surgeon-Industry Relationships. Clin Spine Surg. 2020 04; 33(3):E96-E100. PMID: 31693520.
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    180. Parrish JM, Jenkins NW, Singh K. A New Possible Standard in Evaluating Lower Extremity Motor Weakness. Neurospine. 2020 03; 17(1):285-287. PMID: 32252178.
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    181. Parrish JM, Jenkins NW, Brundage TS, Hrynewycz NM, Singh K. Commentary: Anterior Cervical Discectomy and Fusion in the Outpatient Ambulatory Surgery Setting: Analysis of 2000 Consecutive Cases. Neurosurgery. 2020 03 01; 86(3):E316-E317. PMID: 31848618.
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    182. Yom KH, Jenkins NW, Parrish JM, Brundage TS, Hrynewycz NM, Narain AS, Hijji FY, Haws BE, Singh K. Predictors of Citation Rate in the Spine Literature. Clin Spine Surg. 2020 03; 33(2):76-81. PMID: 31913171.
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    183. Narain AS, Hijji FY, Haws BE, Khechen B, Kudaravalli KT, Yom KH, Singh K. American Society of Anesthesiologists Score is Not Predictive of Complication Incidence After Minimally Invasive Posterior Lumbar Spine Procedures. Int J Spine Surg. 2020 Feb; 14(1):32-37. PMID: 32128300.
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    184. Mayo BC, Narain AS, Hijji FY, Massel DH, Bohl DD, Singh K. Preoperative Mental Health May Not Be Predictive of Improvements in Patient-Reported Outcomes Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion. Int J Spine Surg. 2020 Feb; 14(1):26-31. PMID: 32128299.
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    185. Vaishnav AS, Saville P, McAnany S, Haws B, Singh K, Iyer S, Albert T, Gang CH, Qureshi SA. Is the likelihood of dysphagia different in patients undergoing one-level versus two-level anterior cervical discectomy and fusion? Spine J. 2020 05; 20(5):737-744. PMID: 32006711.
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    186. Jenkins NW, Parrish JM, Mayo BC, Hrynewycz NM, Brundage TS, Mogilevsky FA, Yoo JS, Singh K. The identification of risk factors for increased postoperative pain following minimally invasive transforaminal lumbar interbody fusion. Eur Spine J. 2020 06; 29(6):1304-1310. PMID: 32076833.
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    187. Yoo JS, Hrynewycz NM, Brundage TS, Mogilevsky FA, Shah HC, Mehraban N, Singh K. The Influence of Preoperative Mental Health on PROMIS Physical Function Outcomes Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2020 Feb 15; 45(4):E236-E243. PMID: 31513117.
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    188. Parrish JM, Jenkins NW, Hrynewycz NM, Brundage TS, Singh K. The Relationship Between Preoperative PROMIS Scores With Postoperative Improvements in Physical Function After Anterior Cervical Discectomy and Fusion. Neurospine. 2020 Jun; 17(2):398-406. PMID: 32054141.
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    189. Yoo JS, Jenkins NW, Parrish JM, Brundage TS, Hrynewycz NM, Mogilevsky FA, Singh K. Evaluation of Postoperative Mental Health Outcomes in Patients Based on Patient-Reported Outcome Measurement Information System Physical Function Following Anterior Cervical Discectomy and Fusion. Neurospine. 2020 Mar; 17(1):184-189. PMID: 32054139.
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    190. Yoo JS, Parrish JM, Jenkins NW, Khechen B, Haws BE, Narain AS, Hrynewycz NM, Brundage TS, Singh K. Postoperative Outcomes Based on American Society of Anesthesiologists Score After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2020 02; 33(1):E40-E42. PMID: 31913170.
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    191. Vaziri S, Resnick DK, Ames CP, Harrop JS, Shaffrey CI, Singh K, Smith JS, Hoh DJ. Brief History of Spinal Neurosurgical Societies in the United States: Part 1. Neurospine. 2019 Dec; 16(4):631-636. PMID: 31905449.
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    192. Yoo JS, Hrynewycz NM, Brundage TS, Singh K. The Use of Patient-Reported Outcome Measurement Information System Physical Function to Predict Outcomes Based on Body Mass Index Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2019 Dec 01; 44(23):E1388-E1395. PMID: 31730574.
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    193. Haws BE, Khechen B, Patel DV, Cardinal KL, Guntin JA, Singh K. Patient Perceptions of Iliac Crest Bone Grafting in Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2019 12; 32(10):430-434. PMID: 31790370.
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    194. Khechen B, Patel DV, Haws BE, Cardinal KL, Guntin JA, Ahn J, Singh K. Evaluating the Concurrent Validity of PROMIS Physical Function in Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2019 12; 32(10):449-453. PMID: 30730428.
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    195. Patel DV, Yoo JS, Khechen B, Haws BE, Block AM, Lamoutte EH, Karmarkar SS, Singh K. PHQ-9 Score Predicts Postoperative Outcomes Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2019 12; 32(10):444-448. PMID: 30932934.
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    196. Patel DV, Yoo JS, Karmarkar SS, Lamoutte EH, Singh K. Sex Differences on Postoperative Pain and Disability Following Minimally Invasive Lumbar Discectomy. Clin Spine Surg. 2019 12; 32(10):E444-E448. PMID: 31162188.
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    197. Patel DV, Yoo JS, Lamoutte EH, Karmarkar SS, Singh K. The Effect of Tobacco Use on Postoperative Pain Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2019 12; 32(10):E440-E443. PMID: 31145151.
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    198. Patel DV, Yoo JS, Block AM, Karmarkar SS, Lamoutte EH, Singh K. Patient Activation is Not Associated With Postoperative Outcomes Following Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2019 12; 32(10):E453-E456. PMID: 31169618.
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    199. Rosenthal BD, McCarthy MH, Bhatt S, Savage JW, Singh K, Hsu WK, Patel AA. A Comparison of Patient-Centered Outcome Measures to Evaluate Dysphagia and Dysphonia After Anterior Cervical Discectomy and Fusion. J Am Acad Orthop Surg. 2019 Nov 15; 27(22):848-853. PMID: 30889036.
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    200. Yoo JS, Brundage TS, Hrynewycz NM, Singh K. Inpatient Pain Scores and Narcotic Utilization Based on American Society of Anesthesiologists Score Following Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2019 Nov 15; 44(22):1558-1563. PMID: 31689250.
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    201. Lovecchio F, Premkumar A, Stepan JG, Mejia D, Stein D, Patel DV, Lafage V, Derman P, Khechen B, Iyer S, Lebl D, Qureshi S, Huang R, Singh K, Albert TJ. Opioid Consumption Patterns After Lumbar Microdiscectomy or Decompression. Spine (Phila Pa 1976). 2019 Nov 15; 44(22):1599-1605. PMID: 31689255.
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    202. Steinhaus ME, Iyer S, Lovecchio F, Khechen B, Stein D, Ross T, Yang J, Singh K, Albert TJ, Lebl D, Huang R, Sandhu H, Rawlins B, Schwab F, Lafage V, Kim HJ. Minimal Clinically Important Difference and Substantial Clinical Benefit Using PROMIS CAT in Cervical Spine Surgery. Clin Spine Surg. 2019 11; 32(9):392-397. PMID: 31569175.
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    203. Yoo JS, Ahn J, Mayo BC, Bohl DD, Ahn J, Hrynewycz NM, Brundage TS, Park DD, Colman MW, Phillips FM, Singh K. Improvements in Grip and Pinch Strength and Patient-reported Outcomes After Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2019 11; 32(9):403-408. PMID: 31567533.
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    204. Derman PB, Singh K. Surgical Strategies for the Treatment of Lumbar Pseudarthrosis in Degenerative Spine Surgery: A Literature Review and Case Study. HSS J. 2020 Jul; 16(2):183-187. PMID: 32523486.
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    205. Patel DV, Yoo JS, Karmarkar SS, Lamoutte EH, Singh K. Minimally invasive lumbar decompression in an ambulatory surgery center. J Spine Surg. 2019 Sep; 5(Suppl 2):S166-S173. PMID: 31656871.
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    206. Patel DV, Yoo JS, Singh K. Ethics of minimally invasive spine surgery in an ambulatory surgery center setting. J Spine Surg. 2019 Sep; 5(Suppl 2):S204-S205. PMID: 31656876.
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    207. Yoo JS, Ahn J, Patel DS, Hrynewycz NM, Brundage TS, Singh K. An evaluation of biomaterials and osteobiologics for arthrodesis achievement in spine surgery. Ann Transl Med. 2019 Sep; 7(Suppl 5):S168. PMID: 31624734.
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    208. Yoo JS, Ahn J, Karmarkar SS, Lamoutte EH, Singh K. The use of tranexamic acid in spine surgery. Ann Transl Med. 2019 Sep; 7(Suppl 5):S172. PMID: 31624738.
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    209. Yoo JS, Patel DS, Hrynewycz NM, Brundage TS, Singh K. The utility of virtual reality and augmented reality in spine surgery. Ann Transl Med. 2019 Sep; 7(Suppl 5):S171. PMID: 31624737.
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    210. Yoo JS, Singh K. Current trends and advancements in spine surgery. Ann Transl Med. 2019 Sep; 7(Suppl 5):S160. PMID: 31624726.
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    211. Yoo JS, Ahn J, Buvanendran A, Singh K. Multimodal analgesia in pain management after spine surgery. J Spine Surg. 2019 Sep; 5(Suppl 2):S154-S159. PMID: 31656869.
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    212. Yoo JS, Parrish JM, Jenkins NW, Singh K. Preface for focused issue: ambulatory spine surgery. J Spine Surg. 2019 Sep; 5(Suppl 2):S122-S123. PMID: 31656864.
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    213. Guntin JA, Patel DV, Cardinal KL, Haws BE, Khechen B, Yoo JS, Block AM, Lalehzarian SP, Singh K. The Influence of Conflicts of Interest on Outcomes in the Lumbar Disc Arthroplasty Literature: A Systematic Review. Spine (Phila Pa 1976). 2019 Aug 15; 44(16):1162-1169. PMID: 31374001.
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    214. Yoo JS, Patel DV, Mayo BC, Massel DH, Karmarkar SS, Lamoutte EH, Singh K. Postoperative satisfaction following lumbar spinal fusion surgery: patient expectation versus actuality. J Neurosurg Spine. 2019 Jul 26; 1-7. PMID: 31349221.
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    215. Haws BE, Khechen B, Patel DV, Yoo JS, Guntin JA, Cardinal KL, Ahn J, Singh K. Impact of Iliac Crest Bone Grafting on Postoperative Outcomes and Complication Rates Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurospine. 2019 Dec; 16(4):772-779. PMID: 31284335.
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    216. Haws BE, Khechen B, Patel DV, Yoo JS, Guntin JA, Cardinal KL, Singh K. Swallowing Function Following Anterior Cervical Discectomy and Fusion With and Without Anterior Plating: A SWAL-QOL (Swallowing-Quality of Life) and Radiographic Assessment. Neurospine. 2019 Sep; 16(3):601-607. PMID: 31284338.
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    217. Khechen B, Haws BE, Patel DV, Lalehzarian SP, Hijji FY, Narain AS, Cardinal KL, Guntin JA, Singh K. Does the Day of the Week Affect Length of Stay and Hospital Charges Following Anterior Cervical Discectomy and Fusion? Int J Spine Surg. 2019 Jun; 13(3):296-301. PMID: 31328095.
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    218. Narain AS, Hijji FY, Khechen B, Haws BE, Patel DV, Bohl DD, Yom KH, Kudaravalli KT, Singh K. Risk Factors Associated With Failure to Reach Minimal Clinically Important Difference in Patient-Reported Outcomes Following Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2019 Jun; 13(3):262-269. PMID: 31328090.
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    219. Patel DV, Yoo JS, Karmarkar SS, Lamoutte EH, Singh K. Interbody options in lumbar fusion. J Spine Surg. 2019 Jun; 5(Suppl 1):S19-S24. PMID: 31380489.
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    220. Khechen B, Haws BE, Bawa MS, Patel DV, Bawa HS, Massel DH, Mayo BC, Cardinal KL, Guntin JA, Singh K. Narcotic Consumption Following Minimally Invasive Lumbar Decompression: A Comparison Between Hospital and Ambulatory-Based Surgery Centers. Int J Spine Surg. 2019 Apr; 13(2):162-168. PMID: 31131216.
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    221. Patel DV, Yoo JS, Haws BE, Khechen B, Lamoutte EH, Karmarkar SS, Singh K. Comparative analysis of anterior cervical discectomy and fusion in the inpatient versus outpatient surgical setting. J Neurosurg Spine. 2019 Apr 26; 1-6. PMID: 31026817.
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    222. Hirsch BP, Khechen B, Patel DV, Cardinal KL, Guntin JA, Singh K. Safety and Efficacy of Revision Minimally Invasive Lumbar Decompression in the Ambulatory Setting. Spine (Phila Pa 1976). 2019 Apr 15; 44(8):E494-E499. PMID: 30234800.
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    223. Sayari AJ, Patel DV, Yoo JS, Singh K. Device solutions for a challenging spine surgery: minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). Expert Rev Med Devices. 2019 04; 16(4):299-305. PMID: 30917071.
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    224. Vaishnav AS, Saville P, McAnany S, Patel D, Haws B, Khechen B, Singh K, Gang CH, Qureshi SA. Predictive Factors of Postoperative Dysphagia in Single-Level Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2019 04 01; 44(7):E400-E407. PMID: 30889144.
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    225. Bohl DD, Haws BE, Khechen B, Patel DV, Mayo BC, Ahn J, Louie PK, Cardinal KL, Guntin JA, Singh K. Impact of the Number of Levels on Adverse Events and Length of Stay Following Posterior Lumbar Fusion Procedures. Clin Spine Surg. 2019 04; 32(3):120-124. PMID: 30407262.
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    226. Khechen B, Haws BE, Patel DV, Yoo JS, Guntin JA, Cardinal KL, Iyer S, Singh K. Static Versus Expandable Devices Provide Similar Clinical Outcomes Following Minimally Invasive Transforaminal Lumbar Interbody Fusion. HSS J. 2020 Feb; 16(1):46-53. PMID: 32015740.
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    227. Khechen B, Haws BE, Patel DV, Bawa MS, Elboghdady IM, Lamoutte EH, Karmarkar SS, Singh K. PROMIS Physical Function Score Strongly Correlates With Legacy Outcome Measures in Minimally Invasive Lumbar Microdiscectomy. Spine (Phila Pa 1976). 2019 03 15; 44(6):442-446. PMID: 30095799.
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    228. Vaishnav A, Hill P, McAnany S, Patel DV, Haws BE, Khechen B, Singh K, Gang CH, Qureshi S. Comparison of Multilevel Anterior Cervical Discectomy and Fusion Performed in an Inpatient Versus Outpatient Setting. Global Spine J. 2019 Dec; 9(8):834-842. PMID: 31819849.
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    229. Khechen B, Haws BE, Patel DV, Cardinal KL, Guntin JA, Singh K. Does Gender Influence Postoperative Outcomes in Minimally Invasive Transforaminal Lumbar Interbody Fusion? Clin Spine Surg. 2019 03; 32(2):E107-E111. PMID: 30407263.
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    230. Khechen B, Haws BE, Bawa MS, Patel DV, Cardinal KL, Guntin JA, Lalehzarian SP, Singh K. The Impact of Comorbidity Burden on Complications, Length of Stay, and Direct Hospital Costs After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2019 03 01; 44(5):363-368. PMID: 30095793.
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    231. Mayo BC, Massel DH, Bohl DD, Patel DV, Khechen B, Haws BE, Narain AS, Hijji FY, Singh K. Dysphagia Following Anterior Cervical Spine Surgery: Assessment Using an Abridged SWAL-QOL. Int J Spine Surg. 2019 Jan; 13(1):102-109. PMID: 30805293.
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    232. Massel DH, Mayo BC, Patel DV, Bohl DD, Louie PK, Lopez GD, Singh K. Improvements in Back and Leg Pain After Minimally Invasive Lumbar Decompression. HSS J. 2020 Feb; 16(1):62-71. PMID: 32015742.
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    233. Patel DV, Bawa MS, Haws BE, Khechen B, Block AM, Karmarkar SS, Lamoutte EH, Singh K. PROMIS Physical Function for prediction of postoperative pain, narcotics consumption, and patient-reported outcomes following minimally invasive transforaminal lumbar interbody fusion. J Neurosurg Spine. 2019 Feb 01; 1-7. PMID: 30717042.
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    234. Khechen B, Haws BE, Patel DV, Narain AS, Hijji FY, Bawa MS, Cardinal KL, Guntin JA, Singh K. Risk Factors for a Long Hospital Stay Following Minimally Invasive Lumbar Discectomy. Clin Spine Surg. 2019 02; 32(1):E56-E59. PMID: 30222621.
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    235. Basques BA, Haws BE, Khechen B, Louie PK, Patel DV, Bawa MS, Movassaghi K, Cardinal KL, Guntin JA, Singh K. The Effect of Preoperative Symptom Duration on Postoperative Outcomes After a Tubular Lumbar Microdiscectomy. Clin Spine Surg. 2019 02; 32(1):E27-E30. PMID: 30222622.
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    236. Haws BE, Khechen B, Patel DV, Bawa MS, Guntin JA, Cardinal KL, Wiggins AB, Singh K. The Effect of Preoperative Medications on Length of Stay, Inpatient Pain, and Narcotics Consumption After Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2019 02; 32(1):E37-E42. PMID: 30234567.
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    237. Haws BE, Khechen B, Patel DV, Louie PK, Iyer S, Cardinal KL, Guntin JA, Singh K. Sagittal Imbalance Does Not Influence Cup Anteversion in Total Hip Arthroplasty Dislocations. Clin Spine Surg. 2019 02; 32(1):E31-E36. PMID: 30247184.
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    238. Khechen B, Haws BE, Patel DV, Narain AS, Hijji FY, Guntin JA, Cardinal KL, Iyer S, Singh K. Comparison of Postoperative Outcomes Between Primary MIS TLIF and MIS TLIF With Revision Decompression. Spine (Phila Pa 1976). 2019 Jan 15; 44(2):150-156. PMID: 30562332.
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    239. Haws BE, Khechen B, Bawa MS, Patel DV, Bawa HS, Bohl DD, Wiggins AB, Cardinal KL, Guntin JA, Singh K. The Patient-Reported Outcomes Measurement Information System in spine surgery: a systematic review. J Neurosurg Spine. 2019 01 04; 30(3):405-413. PMID: 30611150.
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    240. Haws BE, Khechen B, Patel DV, Bawa MS, Ahn J, Bohl DD, Mayo BC, Massel DH, Guntin JA, Cardinal KL, Singh K. Impact of local steroid application in a minimally invasive transforaminal lumbar interbody fusion: results of a prospective, randomized, single-blind trial. J Neurosurg Spine. 2018 11 09; 30(2):222-227. PMID: 30497132.
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    241. Massel DH, Narain AS, Hijji FY, Mayo BC, Bohl DD, Lopez GD, Singh K. A Comparison of Narcotic Consumption Between Hospital and Ambulatory-Based Surgery Centers Following Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2018 Oct; 12(5):595-602. PMID: 30364866.
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    242. Haws BE, Khechen B, Narain AS, Hijji FY, Cardinal KL, Guntin JA, Singh K. Iliac Crest Bone Graft for Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Prospective Analysis of Inpatient Pain, Narcotics Consumption, and Costs. Spine (Phila Pa 1976). 2018 09 15; 43(18):1307-1312. PMID: 29462060.
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    243. Haws BE, Khechen B, Movassaghi K, Yom KH, Guntin JA, Cardinal KL, Shoshana NB, Singh K. Authorship Trends in Spine Publications From 2000 to 2015. Spine (Phila Pa 1976). 2018 09 01; 43(17):1225-1230. PMID: 29419716.
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    244. Basques BA, Hijji FY, Khechen B, Haws BE, Mayo BC, Massel DH, Louie PK, Cardinal KL, Guntin JA, Singh K. Sex Differences for Anterior Cervical Fusion: Complications and Length of Stay. Spine (Phila Pa 1976). 2018 08 01; 43(15):1025-1030. PMID: 29215497.
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    245. Mayo BC, Haws BE, Bohl DD, Louie PK, Hijji FY, Narain AS, Massel DH, Khechen B, Singh K. Postoperative Fever Evaluation Following Lumbar Fusion Procedures. Neurospine. 2018 Jun; 15(2):154-162. PMID: 29991245.
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    246. Bovonratwet P, Bohl DD, Russo GS, Ondeck NT, Singh K, Grauer JN. Incidence, Risk Factors, and Impact of Clostridium difficile Colitis After Spine Surgery: An Analysis of a National Database. Spine (Phila Pa 1976). 2018 06 15; 43(12):861-868. PMID: 28953711.
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    247. Hijji FY, Narain AS, Haws BE, Khechen B, Kudaravalli KT, Yom KH, Singh K. Does Day of Surgery Affect Hospital Length of Stay and Charges Following Minimally Invasive Transforaminal Lumbar Interbody Fusion? Clin Spine Surg. 2018 06; 31(5):E291-E295. PMID: 29608450.
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    248. Wilson JR, Radcliff K, Schroeder G, Booth M, Lucasti C, Fehlings M, Ahmad N, Vaccaro A, Arnold P, Sciubba D, Ching A, Smith J, Shaffrey C, Singh K, Darden B, Daffner S, Cheng I, Ghogawala Z, Ludwig S, Buchowski J, Brodke D, Wang J, Lehman RA, Hilibrand A, Yoon T, Grauer J, Dailey A, Steinmetz M, Harrop JS. Frequency and Acceptability of Adverse Events After Anterior Cervical Discectomy and Fusion: A Survey Study From the Cervical Spine Research Society. Clin Spine Surg. 2018 06; 31(5):E270-E277. PMID: 29708891.
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    249. Ondeck NT, Bohl DD, McLynn RP, Cui JJ, Bovonratwet P, Singh K, Grauer JN. Longer Operative Time Is Associated With Increased Adverse Events After Anterior Cervical Diskectomy and Fusion: 15-Minute Intervals Matter. Orthopedics. 2018 Jul 01; 41(4):e483-e488. PMID: 29708570.
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    250. Haws BE, Khechen B, Narain AS, Hijji FY, Bohl DD, Massel DH, Mayo BC, Ahn J, Singh K. Impact of local steroid application on dysphagia following an anterior cervical discectomy and fusion: results of a prospective, randomized single-blind trial. J Neurosurg Spine. 2018 07; 29(1):10-17. PMID: 29676673.
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    251. Haws BE, Khechen B, Guntin JA, Cardinal KL, Bohl DD, Singh K. Validity of PROMIS in minimally invasive transforaminal lumbar interbody fusion: a preliminary evaluation. J Neurosurg Spine. 2018 07; 29(1):28-33. PMID: 29652236.
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    252. Narain AS, Hijji FY, Duhancioglu G, Haws BE, Khechen B, Manning BT, Colman MW, Singh K. Patient Perceptions of Minimally Invasive Versus Open Spine Surgery. Clin Spine Surg. 2018 04; 31(3):E184-E192. PMID: 29465423.
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    253. Long WW, Modi KD, Haws BE, Khechen B, Massel DH, Mayo BC, Singh K. Assessing Online Patient Education Readability for Spine Surgery Procedures. Clin Spine Surg. 2018 03; 31(2):E146-E151. PMID: 28857969.
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    254. Hijji FY, Narain AS, Haws BE, Witiw CD, Kudaravalli KT, Yom KH, Deutsch H, Singh K. Variation in Spine Surgeon Selection Criteria Between Neurosurgery and Orthopedic Surgery Patients. Clin Spine Surg. 2018 03; 31(2):E127-E132. PMID: 28945643.
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    255. Narain AS, Hijji FY, Bohl DD, Yom KH, Kudaravalli KT, Singh K. Is Body Mass Index a Risk Factor for Revision Procedures After Minimally Invasive Transforaminal Lumbar Interbody Fusion? Clin Spine Surg. 2018 02; 31(1):E85-E91. PMID: 28538081.
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    256. Hijji FY, Narain AS, Bohl DD, Yom KH, Kudaravalli KT, Lopez GD, Singh K. Risk Factors Associated With Failure to Reach Minimal Clinically Important Difference in Patient-reported Outcomes Following Minimally Invasive Transforaminal Lumbar Interbody Fusion for Spondylolisthesis. Clin Spine Surg. 2018 02; 31(1):E92-E97. PMID: 28538082.
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    257. Louie PK, Narain AS, Hijji FY, Yacob A, Yom KH, Phillips FM, Singh K. Radiographic Analysis of Psoas Morphology and its Association With Neurovascular Structures at L4-5 With Reference to Lateral Approaches. Spine (Phila Pa 1976). 2017 Dec 15; 42(24):E1386-E1392. PMID: 28658039.
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    258. Lopez GD, Hijji FY, Narain AS, Yom KH, Singh K. Iliac Crest Bone Graft: A Minimally Invasive Harvesting Technique. Clin Spine Surg. 2017 Dec; 30(10):439-441. PMID: 28650883.
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    259. Mayo BC, Massel DH, Bohl DD, Long WW, Modi KD, Narain AS, Hijji FY, Lopez G, Singh K. Preoperative Mental Health is not Predictive of Patient-reported Outcomes Following a Minimally Invasive Lumbar Discectomy. Clin Spine Surg. 2017 Dec; 30(10):E1388-E1391. PMID: 27875412.
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    260. Ahn J, Massel DH, Mayo BC, Hijji FY, Narain AS, Aboushaala K, Bohl DD, Elboghdady IM, DiBattista JV, Singh K. The Utility of Routinely Obtaining Postoperative Laboratory Studies Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion. Clin Spine Surg. 2017 Dec; 30(10):E1405-E1410. PMID: 27875417.
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    261. Basques BA, McLynn RP, Fice MP, Samuel AM, Lukasiewicz AM, Bohl DD, Ahn J, Singh K, Grauer JN. Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data. Clin Orthop Relat Res. 2017 Dec; 475(12):2893-2904. PMID: 27896677.
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    262. Narain AS, Hijji FY, Markowitz JS, Kudaravalli KT, Yom KH, Singh K. Minimally invasive techniques for lumbar decompressions and fusions. Curr Rev Musculoskelet Med. 2017 Dec; 10(4):559-566. PMID: 29027622.
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    263. Narain AS, Hijji FY, Haws BE, Kudaravalli KT, Yom KH, Markowitz J, Singh K. Impact of body mass index on surgical outcomes, narcotics consumption, and hospital costs following anterior cervical discectomy and fusion. J Neurosurg Spine. 2018 02; 28(2):160-166. PMID: 29192877.
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    264. Narain AS, Hijji FY, Kudaravalli KT, Yom KH, Singh K. Publication Rates of Abstracts Accepted to the 2010-2012 Annual Meetings of the North American Spine Society. Spine (Phila Pa 1976). 2017 Nov 15; 42(22):1723-1729. PMID: 28422799.
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    265. Singh K. Reply to "Letter to Editor, in response to Narain et?al." Spine J. 2017 11; 17(11):1767. PMID: 29150263.
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    266. Tabaraee E, Ahn J, Bohl DD, Collins MJ, Massel DH, Aboushaala K, Singh K. Comparison of Surgical Outcomes, Narcotics Utilization, and Costs After an Anterior Cervical Discectomy and Fusion: Stand-alone Cage Versus Anterior Plating. Clin Spine Surg. 2017 Nov; 30(9):E1201-E1205. PMID: 29049131.
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    267. Bohl DD, Narain AS, Hijji FY, Ahn J, Mayo BC, Massel DH, Long WW, Modi KD, Singh K. Narcotic Consumption Following Anterior and Lateral Lumbar Interbody Fusion Procedures. Clin Spine Surg. 2017 Nov; 30(9):E1190-E1200. PMID: 28234778.
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    268. Singh K, Bohl DD, Ahn J, Massel DH, Mayo BC, Narain AS, Hijji FY, Louie PK, Long WW, Modi KD, Kim TD, Kudaravalli KT, Phillips FM, Buvanendran A. Multimodal Analgesia Versus Intravenous Patient-Controlled Analgesia for Minimally Invasive Transforaminal Lumbar Interbody Fusion Procedures. Spine (Phila Pa 1976). 2017 Aug 01; 42(15):1145-1150. PMID: 27879573.
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    269. Narain AS, Hijji FY, Yom KH, Kudaravalli KT, Haws BE, Singh K. Radiation exposure and reduction in the operating room: Perspectives and future directions in spine surgery. World J Orthop. 2017 Jul 18; 8(7):524-530. PMID: 28808622.
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    270. Massel DH, Mayo BC, Bohl DD, Narain AS, Hijji FY, Fineberg SJ, Louie PK, Basques BA, Long WW, Modi KD, Singh K. Improvements in Neck and Arm Pain Following an Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2017 Jul 15; 42(14):E825-E832. PMID: 27851659.
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    271. Hijji FY, Massel DH, Mayo BC, Narain AS, Long WW, Modi KD, Burke RM, Canar J, Singh K. Spinal Surgeon Variation in Single-Level Cervical Fusion Procedures: A Cost and Hospital Resource Utilization Analysis. Spine (Phila Pa 1976). 2017 Jul 01; 42(13):1031-1038. PMID: 27779602.
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    272. Bohl DD, Ahn J, Lukasiewicz AM, Samuel AM, Webb ML, Basques BA, Golinvaux NS, Singh K, Grauer JN. Severity Weighting of Postoperative Adverse Events in Orthopedic Surgery. Am J Orthop (Belle Mead NJ). 2017 Jul/Aug; 46(4):E235-E243. PMID: 28856354.
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    273. Ahn J, Jorgensen AY, Bohl DD, Tabaraee E, Rossi VJ, Aboushaala K, Singh K. Neuroforaminal Bone Growth Following Minimally Invasive Transforaminal Lumbar Interbody Fusion With BMP: A Computed Tomographic Analysis. Clin Spine Surg. 2017 Jul; 30(6):E754-E758. PMID: 28632565.
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    274. Hijji FY, Narain AS, Bohl DD, Ahn J, Long WW, DiBattista JV, Kudaravalli KT, Singh K. Lateral lumbar interbody fusion: a systematic review of complication rates. Spine J. 2017 10; 17(10):1412-1419. PMID: 28456671.
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    275. Narain AS, Hijji FY, Yom KH, Kudaravalli KT, Singh K. Cervical disc arthroplasty: do conflicts of interest influence the outcome of clinical studies? Spine J. 2017 07; 17(7):1026-1032. PMID: 28343045.
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    276. Basques BA, Louie PK, Shifflett GD, Fice MP, Mayo BC, Massel DH, Guzman JZ, Bohl DD, Singh K. Effect of Surgeon Volume on Complications, Length of Stay, and Costs Following Anterior Cervical Fusion. Spine (Phila Pa 1976). 2017 Mar 15; 42(6):394-399. PMID: 27359358.
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    277. Ishii K, Shiono Y, Funao H, Singh K, Matsumoto M. A Novel Groove-Entry Technique for Inserting Thoracic Percutaneous Pedicle Screws. Clin Spine Surg. 2017 03; 30(2):57-64. PMID: 27841800.
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    278. Basques BA, Ondeck NT, Geiger EJ, Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Massel DH, Mayo BC, Singh K, Grauer JN. Differences in Short-Term Outcomes Between Primary and Revision Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2017 Feb 15; 42(4):253-260. PMID: 28207667.
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    279. Massel DH, Singh K. Lumbar Spine Injuries in the Athlete. Instr Course Lect. 2017 Feb 15; 66:403-408. PMID: 28594516.
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    280. Mayo BC, Massel DH, Bohl DD, Long WW, Modi KD, Singh K. Effect of Surgery Start Time on Day of Discharge in Anterior Cervical Discectomy and Fusion Patients. Spine (Phila Pa 1976). 2016 Dec 15; 41(24):1939-1944. PMID: 27956726.
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    281. Ahn J, Bohl DD, Tabaraee E, Basques BA, Singh K. Current Trends in Outpatient Spine Surgery. Clin Spine Surg. 2016 11; 29(9):384-386. PMID: 27404852.
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    282. Bohl DD, Shen MR, Mayo BC, Massel DH, Long WW, Modi KD, Basques BA, Singh K. Malnutrition Predicts Infectious and Wound Complications Following Posterior Lumbar Spinal Fusion. Spine (Phila Pa 1976). 2016 Nov 01; 41(21):1693-1699. PMID: 27035584.
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    283. Mayo BC, Massel DH, Bohl DD, Long WW, Modi KD, Singh K. Anterior Cervical Discectomy and Fusion: The Surgical Learning Curve. Spine (Phila Pa 1976). 2016 Oct 15; 41(20):1580-1585. PMID: 27035581.
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    284. Bohl DD, Singh K, Grauer JN. Nationwide Databases in Orthopaedic Surgery Research. J Am Acad Orthop Surg. 2016 Oct; 24(10):673-82. PMID: 27579813.
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    285. Mayo BC, Massel DH, Bohl DD, Narain AS, Hijji FY, Long WW, Modi KD, Basques BA, Yacob A, Singh K. Preoperative mental health status may not be predictive of improvements in patient-reported outcomes following an anterior cervical discectomy and fusion. J Neurosurg Spine. 2017 Feb; 26(2):177-182. PMID: 27689424.
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    286. Bohl DD, Hijji FY, Massel DH, Mayo BC, Long WW, Modi KD, Narain AS, Manning BT, Ahn J, Louie PK, Singh K. Patient knowledge regarding radiation exposure from spinal imaging. Spine J. 2017 03; 17(3):305-312. PMID: 27664337.
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    287. Mayo BC, Louie PK, Bohl DD, Massel DH, Iantorno SE, Ahn J, Tabaraee E, Modi KD, Long WW, Singh K. Effects of Intraoperative Anesthetic Medications on Postoperative Urinary Retention After Single-Level Lumbar Fusion. Spine (Phila Pa 1976). 2016 Sep 15; 41(18):1441-1446. PMID: 26974835.
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    288. Singh K, Nandyala SV, Marquez-Lara A, Fineberg SJ, Pelton M. To the Editor. Spine (Phila Pa 1976). 2016 Sep 01; 41(17):E1069-E1070. PMID: 27359353.
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    289. Singh K, Massel DH, Mayo BC, Bohl DD, Long WW, Modi KD. Bone Morphogenetic Proteins in Lumbar Arthrodesis: What Is All the Debate About? Commentary on an article by Daniel C. Beachler, PhD, MHS, et al.: "Bone Morphogenetic Protein Use and Cancer Risk Among Patients Undergoing Lumbar Arthrodesis: A Case-Cohort Study Using the SEER-Medicare Database". J Bone Joint Surg Am. 2016 07 06; 98(13):e57. PMID: 27385691.
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    290. Bohl DD, Ahn J, Collins M, Mayo BC, Massel DH, Aboushaala K, Kamath R, Duhancioglu G, Elbeik M, Singh K. Functional Capacity Evaluation Following Spinal Fusion Surgery. Spine (Phila Pa 1976). 2016 Jul 01; 41(13):1104-1110. PMID: 26780614.
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    291. Manning BT, Ahn J, Bohl DD, Mayo BC, Louie PK, Singh K. Spine Surgeon Selection Criteria: Factors Influencing Patient Choice. Spine (Phila Pa 1976). 2016 Jul 01; 41(13):E814-E819. PMID: 26656051.
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    292. Bohl DD, Mayo BC, Massel DH, Iantorno SE, Ahn J, Basques BA, Grauer JN, Singh K. Incidence and Risk Factors for Pneumonia After Posterior Lumbar Fusion Procedures: An ACS-NSQIP Study. Spine (Phila Pa 1976). 2016 Jun; 41(12):1058-1063. PMID: 26679873.
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    293. Bohl DD, Louie PK, Shah N, Mayo BC, Ahn J, Kim TD, Massel DH, Modi KD, Long WW, Buvanendran A, Singh K. Multimodal Versus Patient-Controlled Analgesia After an Anterior Cervical Decompression and Fusion. Spine (Phila Pa 1976). 2016 Jun; 41(12):994-998. PMID: 26679869.
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    294. Bohl DD, Ahn J, Mayo BC, Massel DH, Tabaraee E, Sershon RA, Basques BA, Singh K. Does Greater Body Mass Index Increase the Risk for Revision Procedures Following a Single-Level Minimally Invasive Lumbar Discectomy? Spine (Phila Pa 1976). 2016 May; 41(9):816-21. PMID: 27128255.
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    295. Patel AA, Singh K, Nunley RM, Minhas SV. Administrative Databases in Orthopaedic Research: Pearls and Pitfalls of Big Data. J Am Acad Orthop Surg. 2016 Mar; 24(3):172-9. PMID: 26836377.
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    296. Basques BA, Diaz-Collado PJ, Geddes BJ, Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Ahn J, Singh K, Grauer JN. Primary and Revision Posterior Lumbar Fusion Have Similar Short-Term Complication Rates. Spine (Phila Pa 1976). 2016 Jan; 41(2):E101-6. PMID: 26539938.
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    297. Bohl DD, Ahn J, Rossi VJ, Tabaraee E, Grauer JN, Singh K. Incidence and risk factors for pneumonia following anterior cervical decompression and fusion procedures: an ACS-NSQIP study. Spine J. 2016 Mar; 16(3):335-42. PMID: 26616171.
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    298. Bohl DD, Ahn J, Tabaraee E, Ahn J, Jain A, Grauer JN, Singh K. Urinary Tract Infection Following Posterior Lumbar Fusion Procedures: An American College of Surgeons National Surgical Quality Improvement Program Study. Spine (Phila Pa 1976). 2015 Nov; 40(22):1785-91. PMID: 26020850.
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    299. Bohl DD, Webb ML, Lukasiewicz AM, Samuel AM, Basques BA, Ahn J, Singh K, Vaccaro AR, Grauer JN. Timing of Complications After Spinal Fusion Surgery. Spine (Phila Pa 1976). 2015 Oct 01; 40(19):1527-35. PMID: 26230536.
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    300. Ahn J, Tabaraee E, Bohl DD, Singh K. Minimally Invasive Posterior Cervical Foraminotomy. J Spinal Disord Tech. 2015 Oct; 28(8):295-7. PMID: 26322905.
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    301. Singh K, Ahn J. Impact of Economic Incentives on Patient Selection of Surgical Facility: Commentary on an article by James C. Robinson, PhD, et al.: "Consumer Choice Between Hospital-Based and Freestanding Facilities for Arthroscopy. Impact on Prices, Spending, and Surgical Complications". J Bone Joint Surg Am. 2015 Sep 16; 97(18):e63. PMID: 26378271.
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    302. Ahn J, Tabaraee E, Bohl DD, Aboushaala K, Singh K. Primary Versus Revision Single-level Minimally Invasive Lumbar Discectomy: Analysis of Clinical Outcomes and Narcotic Utilization. Spine (Phila Pa 1976). 2015 Sep 15; 40(18):E1025-30. PMID: 25955188.
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    303. Ahn J, Bohl DD, Tabaraee E, Aboushaala K, Elboghdady IM, Singh K. Preoperative narcotic utilization: accuracy of patient self-reporting and its association with postoperative narcotic consumption. J Neurosurg Spine. 2016 Jan; 24(1):206-14. PMID: 26360141.
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    304. Ahn J, Bohl DD, Elboghdady I, Aboushaala K, Mayo BC, Hassanzadeh H, Singh K. Postoperative Narcotic Consumption in Workman's Compensation Patients Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2015 Aug 15; 40(16):1284-8. PMID: 25996538.
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    305. Ahn J, Iqbal A, Manning BT, Leblang S, Bohl DD, Mayo BC, Massel DH, Singh K. Minimally invasive lumbar decompression-the surgical learning curve. Spine J. 2016 08; 16(8):909-16. PMID: 26235463.
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    306. Ahn J, Tabaraee E, Singh K. Minimally Invasive Transforaminal Lumbar Interbody Fusion. J Spinal Disord Tech. 2015 Jul; 28(6):222-5. PMID: 26079840.
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    307. Tabaraee E, Ahn J, Bohl DD, Phillips FM, Singh K. Quantification of Multifidus Atrophy and Fatty Infiltration Following a Minimally Invasive Microdiscectomy. Int J Spine Surg. 2015; 9:25. PMID: 26196032.
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    308. Rossi VJ, Ahn J, Bohl DD, Tabaraee E, Singh K. Economic factors in the future delivery of spinal healthcare. World J Orthop. 2015 Jun 18; 6(5):409-12. PMID: 26085981.
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    309. Tabaraee E, Ahn J, Bohl DD, Elboghdady IM, Aboushaala K, Singh K. The Impact of Worker's Compensation Claims on Outcomes and Costs Following an Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2015 Jun 15; 40(12):948-53. PMID: 26070041.
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    310. Ahn J, Tabaraee E, Singh K. BMP-2-induced Neuroforaminal Bone Growth in the Setting of a Minimally Invasive Transforaminal Lumbar Interbody Fusion. J Spinal Disord Tech. 2015 Jun; 28(5):186-8. PMID: 25978140.
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    311. McAnany SJ, Ahn J, Elboghdady IM, Marquez-Lara A, Ashraf N, Svovrlj B, Overley SC, Singh K, Qureshi SA. Mesenchymal stem cell allograft as a fusion adjunct in one- and two-level anterior cervical discectomy and fusion: a matched cohort analysis. Spine J. 2016 Feb; 16(2):163-7. PMID: 25725368.
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    312. Singh K, Qureshi S. ISASS Policy Statement - cervical interbody. Int J Spine Surg. 2014; 8. PMID: 25694945.
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    313. Elboghdady IM, Naqvi A, Jorgenson AY, Marquez-Lara A, Singh K. Minimally invasive transforaminal lumbar interbody fusion for lumbar spondylolisthesis. Ann Transl Med. 2014 Oct; 2(10):99. PMID: 25405153.
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    314. Manning BT, Sankaranarayanan S, Hassanzadeh H, Nandyala SV, Marquez-Lara A, Naqvi A, Elboghdady IM, Noureldin M, Singh K. The utility of obtaining routine hematological laboratory values following an anterior cervical diskectomy and fusion. Spine (Phila Pa 1976). 2014 Sep 15; 39(20):E1228-32. PMID: 25010100.
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    315. Siemionow K, Sundberg E, Tyrakowski M, Nandyala SV, Singh K. Point-counter-point debate: the association between recombinant human bone morphogenetic protein utilization and complications in spine surgery. Curr Rev Musculoskelet Med. 2014 Sep; 7(3):200-7. PMID: 24880879.
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    316. Louie PK, Hassanzadeh H, Singh K. Epidemiologic trends in the utilization, demographics, and cost of bone morphogenetic protein in spinal fusions. Curr Rev Musculoskelet Med. 2014 Sep; 7(3):177-81. PMID: 24903375.
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    317. Nandyala SV, Elboghdady IM, Marquez-Lara A, Noureldin MN, Sankaranarayanan S, Singh K. Cost analysis of incidental durotomy in spine surgery. Spine (Phila Pa 1976). 2014 Aug 01; 39(17):E1042-51. PMID: 24859577.
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    318. Marquez-Lara A, Nandyala SV, Hassanzadeh H, Sundberg E, Jorgensen A, Singh K. Sentinel Events in Lumbar Spine Surgery. Spine (Phila Pa 1976). 2014 May 15; 39(11):900-905. PMID: 24480954.
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    319. Marquez-Lara A, Nandyala SV, Sankaranarayanan S, Noureldin M, Singh K. Body mass index as a predictor of complications and mortality after lumbar spine surgery. Spine (Phila Pa 1976). 2014 May 01; 39(10):798-804. PMID: 24480950.
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    320. Nandyala SV, Marquez-Lara A, Park DK, Hassanzadeh H, Sankaranarayanan S, Noureldin M, Singh K. Incidence, risk factors, and outcomes of postoperative airway management after cervical spine surgery. Spine (Phila Pa 1976). 2014 Apr 20; 39(9):E557-63. PMID: 24480959.
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    321. Marquez-Lara A, Nandyala SV, Hassanzadeh H, Noureldin M, Sankaranarayanan S, Singh K. Sentinel events in cervical spine surgery. Spine (Phila Pa 1976). 2014 Apr 20; 39(9):715-20. PMID: 24480955.
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    322. Marquez-Lara A, Nandyala SV, Fineberg SJ, Singh K. Cerebral vascular accidents after lumbar spine fusion. Spine (Phila Pa 1976). 2014 Apr 15; 39(8):673-7. PMID: 24384658.
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    323. Nandyala SV, Marquez-Lara A, Fineberg SJ, Singh K. Comparison of revision surgeries for one- to two-level cervical TDR and ACDF from 2002 to 2011. Spine J. 2014 Dec 01; 14(12):2841-6. PMID: 24704499.
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    324. Nandyala SV, Marquez-Lara A, Fineberg SJ, Singh K. Perioperative characteristics and outcomes of patients undergoing anterior cervical fusion in July: analysis of the "July effect". Spine (Phila Pa 1976). 2014 Apr 01; 39(7):612-7. PMID: 24384667.
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    325. Marquez-Lara A, Nandyala SV, Fineberg SJ, Singh K. Current trends in demographics, practice, and in-hospital outcomes in cervical spine surgery: a national database analysis between 2002 and 2011. Spine (Phila Pa 1976). 2014 Mar 15; 39(6):476-81. PMID: 24365907.
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    326. Singh K, Nandyala SV, Marquez-Lara A, Fineberg SJ. Epidemiological trends in the utilization of bone morphogenetic protein in spinal fusions from 2002 to 2011. Spine (Phila Pa 1976). 2014 Mar 15; 39(6):491-6. PMID: 24365905.
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    327. Nandyala SV, Marquez-Lara A, Fineberg SJ, Hassanzadeh H, Singh K. Complications after lumbar spine surgery between teaching and nonteaching hospitals. Spine (Phila Pa 1976). 2014 Mar 01; 39(5):417-23. PMID: 24573073.
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    328. Nandyala SV, Marquez-Lara A, Fineberg SJ, Pelton M, Singh K. Prospective, randomized, controlled trial of silicate-substituted calcium phosphate versus rhBMP-2 in a minimally invasive transforaminal lumbar interbody fusion. Spine (Phila Pa 1976). 2014 Feb 01; 39(3):185-91. PMID: 24253788.
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    329. Marquez-Lara A, Nandyala SV, Fineberg SJ, Singh K. Incidence, outcomes, and mortality of reintubation after anterior cervical fusion. Spine (Phila Pa 1976). 2014 Jan 15; 39(2):134-9. PMID: 24173019.
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    330. Nandyala SV, Marquez-Lara A, Fineberg SJ, Singh K. Comparison between cervical total disc replacement and anterior cervical discectomy and fusion of 1 to 2 levels from 2002 to 2009. Spine (Phila Pa 1976). 2014 Jan 01; 39(1):53-7. PMID: 24108292.
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    331. Singh K, Ahmadinia K, Park DK, Nandyala SV, Marquez-Lara A, Patel AA, Fineberg SJ. Complications of spinal fusion with utilization of bone morphogenetic protein: a systematic review of the literature. Spine (Phila Pa 1976). 2014 Jan 01; 39(1):91-101. PMID: 24026158.
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    332. Singh K. In response. Spine (Phila Pa 1976). 2014 Jan 01; 39(1):112. PMID: 24108282.
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    333. Nandyala SV, Marquez-Lara A, Fineberg SJ, Schmitt DR, Singh K. Comparison of perioperative outcomes and cost of spinal fusion for cervical trauma: weekday versus weekend admissions. Spine (Phila Pa 1976). 2013 Dec 01; 38(25):2178-83. PMID: 24285275.
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    334. Singh K, Nandyala SV, Marquez-Lara A, Fineberg SJ, Oglesby M, Pelton MA, Andersson GB, Isayeva D, Jegier BJ, Phillips FM. A perioperative cost analysis comparing single-level minimally invasive and open transforaminal lumbar interbody fusion. Spine J. 2014 Aug 01; 14(8):1694-701. PMID: 24252237.
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    335. Nandyala SV, Marquez-Lara A, Fineberg SJ, Singh R, Singh K. Incidence and risk factors for perioperative visual loss after spinal fusion. Spine J. 2014 Sep 01; 14(9):1866-72. PMID: 24216394.
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    336. Fineberg SJ, Nandyala SV, Kurd MF, Marquez-Lara A, Noureldin M, Sankaranarayanan S, Patel AA, Oglesby M, Singh K. Incidence and risk factors for postoperative ileus following anterior, posterior, and circumferential lumbar fusion. Spine J. 2014 Aug 01; 14(8):1680-5. PMID: 24184650.
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    337. Nandyala SV, Fineberg SJ, Pelton M, Singh K. Minimally invasive transforaminal lumbar interbody fusion: one surgeon's learning curve. Spine J. 2014 Aug 01; 14(8):1460-5. PMID: 24290313.
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    338. Singh K, Marquez-Lara A, Nandyala SV, Patel AA, Fineberg SJ. Incidence and risk factors for dysphagia after anterior cervical fusion. Spine (Phila Pa 1976). 2013 Oct 01; 38(21):1820-5. PMID: 23873236.
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    339. Fineberg SJ, Nandyala SV, Marquez-Lara A, Oglesby M, Patel AA, Singh K. Incidence and risk factors for postoperative delirium after lumbar spine surgery. Spine (Phila Pa 1976). 2013 Sep 15; 38(20):1790-6. PMID: 23797502.
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    340. Singh K, Nandyala SV, Marquez-Lara A, Cha TD, Khan SN, Fineberg SJ, Pelton MA. Clinical sequelae after rhBMP-2 use in a minimally invasive transforaminal lumbar interbody fusion. Spine J. 2013 Sep; 13(9):1118-25. PMID: 24029138.
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    341. Fineberg SJ, Oglesby M, Patel AA, Singh K. Incidence, risk factors, and mortality associated with aspiration in cervical spine surgery. Spine (Phila Pa 1976). 2013 Sep 01; 38(19):E1189-95. PMID: 23715029.
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    342. Fineberg SJ, Kurd MF, Patel AA, Singh K. Incidence and risk factors for gastrointestinal hemorrhage after lumbar fusion. Spine (Phila Pa 1976). 2013 Aug 15; 38(18):1584-9. PMID: 23632338.
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    343. Fineberg SJ, Ahmadinia K, Patel AA, Oglesby M, Singh K. Incidence and mortality of cardiac events in lumbar spine surgery. Spine (Phila Pa 1976). 2013 Jul 15; 38(16):1422-9. PMID: 23632335.
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    344. Badlani N, Foran JR, Phillips FM, Pelton M, Singh K, Garfin SR, Allen RT. Patient perceptions of physician reimbursement for spine surgery. Spine (Phila Pa 1976). 2013 Jul 01; 38(15):1288-93. PMID: 23532118.
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    345. Fineberg SJ, Ahmadinia K, Oglesby M, Patel AA, Singh K. Hospital outcomes and complications of anterior and posterior cervical fusion with bone morphogenetic protein. Spine (Phila Pa 1976). 2013 Jul 01; 38(15):1304-9. PMID: 23462577.
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    346. Fineberg SJ, Oglesby M, Patel AA, Singh K. Incidence and mortality of perioperative cardiac events in cervical spine surgery. Spine (Phila Pa 1976). 2013 Jul 01; 38(15):1268-74. PMID: 23486411.
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    347. Oglesby M, Fineberg SJ, Patel AA, Pelton MA, Singh K. Epidemiological trends in cervical spine surgery for degenerative diseases between 2002 and 2009. Spine (Phila Pa 1976). 2013 Jun 15; 38(14):1226-32. PMID: 23403550.
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    348. Fineberg SJ, Oglesby M, Patel AA, Pelton MA, Singh K. Outcomes of cervical spine surgery in teaching and non-teaching hospitals. Spine (Phila Pa 1976). 2013 Jun 01; 38(13):1089-96. PMID: 23446765.
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    349. Fineberg SJ, Oglesby M, Patel AA, Pelton MA, Singh K. The incidence and mortality of thromboembolic events in lumbar spine surgery. Spine (Phila Pa 1976). 2013 Jun 01; 38(13):1154-9. PMID: 23324940.
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    350. Oglesby M, Fineberg SJ, Patel AA, Pelton MA, Singh K. The incidence and mortality of thromboembolic events in cervical spine surgery. Spine (Phila Pa 1976). 2013 Apr 20; 38(9):E521-7. PMID: 23370688.
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    351. Siemionow K, Pelton MA, Hoskins JA, Singh K. Predictive factors of hospital stay in patients undergoing minimally invasive transforaminal lumbar interbody fusion and instrumentation. Spine (Phila Pa 1976). 2012 Nov 15; 37(24):2046-54. PMID: 22576071.
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    352. Pelton MA, Phillips FM, Singh K. A comparison of perioperative costs and outcomes in patients with and without workers' compensation claims treated with minimally invasive or open transforaminal lumbar interbody fusion. Spine (Phila Pa 1976). 2012 Oct 15; 37(22):1914-9. PMID: 22487713.
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    353. Singh K, Park DK. Lumbar extracavitary corpectomy with a single stage circumferential arthrodesis: surgical technique and clinical series. Am J Orthop (Belle Mead NJ). 2012 Jul; 41(7):316-20. PMID: 22893882.
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    354. Singh K, Phillips FM, Park DK, Pelton MA, An HS, Goldberg EJ. Factors affecting reoperations after anterior cervical discectomy and fusion within and outside of a Federal Drug Administration investigational device exemption cervical disc replacement trial. Spine J. 2012 May; 12(5):372-8. PMID: 22425784.
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    355. Khan SN, Cha T, Hoskins JA, Pelton M, Singh K. Minimally invasive thoracolumbar corpectomy and reconstruction. Orthopedics. 2012 Jan 16; 35(1):e74-9. PMID: 22229618.
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    356. Pelton MA, Schwartz J, Singh K. Subaxial cervical and cervicothoracic fixation techniques--indications, techniques, and outcomes. Orthop Clin North Am. 2012 Jan; 43(1):19-28, vii. PMID: 22082626.
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    357. Singh K, Dumonski M, Stanley T, Ponnappan R, Phillips FM. Repeat use of human recombinant bone morphogenetic protein-2 for second level lumbar arthrodesis. Spine (Phila Pa 1976). 2011 Feb 01; 36(3):192-6. PMID: 20634780.
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    358. Park DK, Lee MJ, Lin EL, Singh K, An HS, Phillips FM. The relationship of intrapsoas nerves during a transpsoas approach to the lumbar spine: anatomic study. J Spinal Disord Tech. 2010 Jun; 23(4):223-8. PMID: 20084033.
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    359. Lee MJ, Dumonski M, Cahill P, Stanley T, Park D, Singh K. Percutaneous treatment of vertebral compression fractures: a meta-analysis of complications. Spine (Phila Pa 1976). 2009 May 15; 34(11):1228-32. PMID: 19444071.
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    360. Singh K, Masuda K, Thonar EJ, An HS, Cs-Szabo G. Age-related changes in the extracellular matrix of nucleus pulposus and anulus fibrosus of human intervertebral disc. Spine (Phila Pa 1976). 2009 Jan 01; 34(1):10-6. PMID: 19127156.
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    361. Ghodadra N, Singh K. Recombinant human bone morphogenetic protein-2 in the treatment of bone fractures. Biologics. 2008 Sep; 2(3):345-54. PMID: 19707367.
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    362. Singh K, Samartzis D, Somera AL, An HS. Cervical kyphosis and thoracic lordoscoliosis in a patient with cerebral palsy. Orthopedics. 2008 03; 31(3):276. PMID: 19292233.
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    363. Singh K, Samartzis D, Biyani A, An HS. Lumbar spinal stenosis. J Am Acad Orthop Surg. 2008 Mar; 16(3):171-6. PMID: 18316715.
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    364. Singh K, Phillips FM, Kuo E, Campbell M. A prospective, randomized, double-blind study of the efficacy of postoperative continuous local anesthetic infusion at the iliac crest bone graft site after posterior spinal arthrodesis: a minimum of 4-year follow-up. Spine (Phila Pa 1976). 2007 Dec 01; 32(25):2790-6. PMID: 18245999.
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    365. Turner TM, Urban RM, Singh K, Hall DJ, Renner SM, Lim TH, Tomlinson MJ, An HS. Vertebroplasty comparing injectable calcium phosphate cement compared with polymethylmethacrylate in a unique canine vertebral body large defect model. Spine J. 2008 May-Jun; 8(3):482-7. PMID: 18455113.
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    366. Singh K, Smucker JD, Ugbo JL, Tortolani PJ, Tsai L, Fei Q, Kuh S, Rumi M, Heller JG, Boden SD, Yoon ST. rhBMP-2 enhancement of posterolateral spinal fusion in a rabbit model in the presence of concurrently administered doxorubicin. Spine J. 2007 May-Jun; 7(3):326-31. PMID: 17482116.
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    367. Smucker JD, Rhee JM, Singh K, Yoon ST, Heller JG. Increased swelling complications associated with off-label usage of rhBMP-2 in the anterior cervical spine. Spine (Phila Pa 1976). 2006 Nov 15; 31(24):2813-9. PMID: 17108835.
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    368. Singh K, An HS. Motion preservation technologies: alternatives to spinal fusion. Am J Orthop (Belle Mead NJ). 2006 Sep; 35(9):411-6. PMID: 17036776.
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    369. Singh K, Smucker JD, Gill S, Boden SD. Use of recombinant human bone morphogenetic protein-2 as an adjunct in posterolateral lumbar spine fusion: a prospective CT-scan analysis at one and two years. J Spinal Disord Tech. 2006 Aug; 19(6):416-23. PMID: 16891977.
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    370. Singh K, Samartzis D, Pennington WT, Wise J, An HS. Unusual presentation of a paraspinal mass with involvement of a lumbar facet joint and the epidural space. Orthopedics. 2006 03; 29(3):265-7. PMID: 16539207.
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    371. Singh K, Samartzis D, Heller JG, An HS, Vaccaro AR. The management of complex soft-tissue defects after spinal instrumentation. J Bone Joint Surg Br. 2006 Jan; 88(1):8-15. PMID: 16365112.
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    372. Singh K, Samartzis D, Dip DS, Strom J, Manning D, Campbell-Hupp M, Wetzel FT, Gupta P, Phillips FM. A prospective, randomized, double-blind study evaluating the efficacy of postoperative continuous local anesthetic infusion at the iliac crest bone graft site after spinal arthrodesis. Spine (Phila Pa 1976). 2005 Nov 15; 30(22):2477-83. PMID: 16284583.
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    373. Singh K, Samartzis D, Vaccaro AR, Nassr A, Andersson GB, Yoon ST, Phillips FM, Goldberg EJ, An HS. Congenital lumbar spinal stenosis: a prospective, control-matched, cohort radiographic analysis. Spine J. 2005 Nov-Dec; 5(6):615-22. PMID: 16291100.
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    374. Singh K, Masuda K, An HS. Animal models for human disc degeneration. Spine J. 2005 Nov-Dec; 5(6 Suppl):267S-279S. PMID: 16291123.
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    375. Singh K, Heller JG, Samartzis D, Price JS, An HS, Yoon ST, Rhee J, Ledlie JT, Phillips FM. Open vertebral cement augmentation combined with lumbar decompression for the operative management of thoracolumbar stenosis secondary to osteoporotic burst fractures. J Spinal Disord Tech. 2005 Oct; 18(5):413-9. PMID: 16189453.
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    376. Singh K, Ledet E, Carl A. Intradiscal therapy: a review of current treatment modalities. Spine (Phila Pa 1976). 2005 Sep 01; 30(17 Suppl):S20-6. PMID: 16138061.
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    377. Singh K, An HS, Samartzis D, Nassr A, Provus J, Hickey M, Andersson GB. A prospective cohort analysis of adjacent vertebral body bone mineral density in lumbar surgery patients with or without instrumented posterolateral fusion: a 9- to 12-year follow-up. Spine (Phila Pa 1976). 2005 Aug 01; 30(15):1750-5. PMID: 16094277.
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    378. Singh K, Samartzis D, An HS. Neurofibromatosis type I with severe dystrophic kyphoscoliosis and its operative management via a simultaneous anterior-posterior approach: a case report and review of the literature. Spine J. 2005 Jul-Aug; 5(4):461-6. PMID: 15996618.
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    379. Takegami K, An HS, Kumano F, Chiba K, Thonar EJ, Singh K, Masuda K. Osteogenic protein-1 is most effective in stimulating nucleus pulposus and annulus fibrosus cells to repair their matrix after chondroitinase ABC-induced in vitro chemonucleolysis. Spine J. 2005 May-Jun; 5(3):231-8. PMID: 15863076.
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    380. An HS, Takegami K, Kamada H, Nguyen CM, Thonar EJ, Singh K, Andersson GB, Masuda K. Intradiscal administration of osteogenic protein-1 increases intervertebral disc height and proteoglycan content in the nucleus pulposus in normal adolescent rabbits. Spine (Phila Pa 1976). 2005 Jan 01; 30(1):25-31; discussion 31-2. PMID: 15626976.
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    381. Singh K, Vaccaro AR, Albert TJ. Assessing the potential impact of total disc arthroplasty on surgeon practice patterns in North America. Spine J. 2004 Nov-Dec; 4(6 Suppl):195S-201S. PMID: 15541667.
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    382. Singh K, Vaccaro AR, Kim J, Lorenz EP, Lim TH, An HS. Enhancement of stability following anterior cervical corpectomy: a biomechanical study. Spine (Phila Pa 1976). 2004 Apr 15; 29(8):845-9. PMID: 15082982.
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    383. An HS, Singh K, Vaccaro AR, Wang G, Yoshida H, Eck J, McGrady L, Lim TH. Biomechanical evaluation of contemporary posterior spinal internal fixation configurations in an unstable burst-fracture calf spine model: special references of hook configurations and pedicle screws. Spine (Phila Pa 1976). 2004 Feb 01; 29(3):257-62. PMID: 14752346.
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    384. Singh K, Vaccaro AR, Eichenbaum MD, Fitzhenry LN. The surgical management of thoracolumbar injuries. J Spinal Cord Med. 2004; 27(2):95-101. PMID: 15162877.
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    385. Singh K, Vaccaro AR, Kim J, Lorenz EP, Lim TH, An HS. Biomechanical comparison of cervical spine reconstructive techniques after a multilevel corpectomy of the cervical spine. Spine (Phila Pa 1976). 2003 Oct 15; 28(20):2352-8; discussion 2358. PMID: 14560082.
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    386. Goldberg EJ, Singh K, Van U, Garretson R, An HS. Comparing outcomes of anterior cervical discectomy and fusion in workman's versus non-workman's compensation population. Spine J. 2002 Nov-Dec; 2(6):408-14. PMID: 14589262.
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    387. Singh K, DeWald CJ, Hammerberg KW, DeWald RL. Long structural allografts in the treatment of anterior spinal column defects. Clin Orthop Relat Res. 2002 Jan; (394):121-9. PMID: 11795723.
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