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Richard Fessler

Concepts (405)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Minimally Invasive Surgical Procedures
96
2023
296
17.450
Why?
Spinal Fusion
70
2023
452
11.100
Why?
Lumbar Vertebrae
59
2023
388
9.380
Why?
Diskectomy
29
2022
171
6.230
Why?
Thoracic Vertebrae
27
2018
91
5.900
Why?
Neurosurgical Procedures
26
2021
122
5.650
Why?
Decompression, Surgical
23
2017
128
5.390
Why?
Intervertebral Disc Displacement
25
2022
73
5.290
Why?
Spine
23
2021
103
5.130
Why?
Scoliosis
15
2023
32
4.520
Why?
Postoperative Complications
46
2023
816
4.360
Why?
Spinal Cord Injuries
9
2023
38
3.910
Why?
Cervical Vertebrae
20
2022
285
3.840
Why?
Spinal Diseases
18
2021
103
3.640
Why?
Treatment Outcome
76
2023
3147
3.340
Why?
Lordosis
14
2022
35
3.220
Why?
Endoscopy
16
2012
173
3.120
Why?
Humans
187
2023
25212
3.100
Why?
Spinal Stenosis
9
2015
33
2.970
Why?
Middle Aged
108
2023
8144
2.910
Why?
Spondylolisthesis
12
2023
41
2.820
Why?
Intervertebral Disc Degeneration
7
2022
77
2.700
Why?
Female
112
2023
13863
2.520
Why?
Microsurgery
13
2022
38
2.460
Why?
Radiculopathy
7
2022
41
2.380
Why?
Male
106
2023
13562
2.380
Why?
Spinal Cord Compression
10
2016
23
2.270
Why?
Spinal Cord Neoplasms
8
2015
34
2.200
Why?
Spondylosis
7
2019
29
2.140
Why?
Laminectomy
10
2014
41
2.090
Why?
Retrospective Studies
51
2023
3105
2.080
Why?
Aged
78
2023
8421
2.060
Why?
Adult
78
2023
7089
1.990
Why?
Spinal Curvatures
9
2020
13
1.870
Why?
Bone Screws
13
2017
136
1.770
Why?
Orthopedic Procedures
7
2018
272
1.750
Why?
Spinal Cord
8
2023
79
1.710
Why?
Patient Reported Outcome Measures
4
2021
401
1.690
Why?
Foraminotomy
4
2019
8
1.630
Why?
Pedicle Screws
3
2015
14
1.450
Why?
Fluoroscopy
6
2016
49
1.290
Why?
Length of Stay
13
2021
289
1.260
Why?
Low Back Pain
6
2015
111
1.250
Why?
Quality of Life
8
2021
595
1.180
Why?
Prostheses and Implants
5
2009
150
1.090
Why?
Patient Satisfaction
2
2021
264
1.070
Why?
Follow-Up Studies
27
2021
1622
1.060
Why?
Intervertebral Disc
5
2010
89
1.060
Why?
Spinal Neoplasms
7
2013
34
1.050
Why?
Sacrum
5
2018
23
1.050
Why?
Embolization, Therapeutic
3
2022
41
1.040
Why?
Spinal Fractures
7
2009
45
0.980
Why?
Back Pain
11
2023
58
0.980
Why?
Mental Health
3
2021
105
0.960
Why?
Spinal Cord Diseases
5
2013
45
0.930
Why?
Diskectomy, Percutaneous
3
2010
6
0.900
Why?
Pain Measurement
13
2021
426
0.880
Why?
Bone Transplantation
5
2015
197
0.860
Why?
Intraoperative Complications
3
2015
60
0.860
Why?
Drainage
1
2023
45
0.860
Why?
Intraoperative Neurophysiological Monitoring
2
2021
10
0.850
Why?
Dura Mater
3
2020
17
0.850
Why?
Oligodendrocyte Precursor Cells
1
2022
1
0.830
Why?
Cervical Cord
1
2022
1
0.830
Why?
Dysbiosis
1
2023
63
0.830
Why?
Neck Injuries
1
2022
3
0.820
Why?
Magnetic Resonance Imaging
17
2017
1113
0.780
Why?
Atlanto-Occipital Joint
3
2015
15
0.730
Why?
Spinal Osteophytosis
3
2007
9
0.720
Why?
Radiography
21
2017
572
0.720
Why?
Cellular Reprogramming
1
2020
4
0.700
Why?
Pluripotent Stem Cells
1
2020
6
0.700
Why?
Motivation
1
2020
91
0.690
Why?
Induced Pluripotent Stem Cells
1
2020
18
0.680
Why?
Cohort Studies
10
2021
1758
0.680
Why?
Kyphosis
5
2020
21
0.660
Why?
Reoperation
15
2020
807
0.660
Why?
Neurodegenerative Diseases
1
2020
110
0.650
Why?
Disability Evaluation
12
2018
276
0.650
Why?
Aged, 80 and over
22
2021
4512
0.640
Why?
Prospective Studies
13
2021
1591
0.640
Why?
Blood Loss, Surgical
7
2015
52
0.610
Why?
Osteotomy
3
2019
149
0.610
Why?
Patient Readmission
2
2017
119
0.600
Why?
Ependymoma
2
2009
13
0.600
Why?
Natural Orifice Endoscopic Surgery
1
2017
2
0.570
Why?
Muscular Diseases
1
2017
13
0.570
Why?
Young Adult
11
2018
1751
0.560
Why?
Video Recording
2
2013
33
0.560
Why?
Pyramidal Tracts
1
2016
4
0.550
Why?
Wounds, Gunshot
1
2016
3
0.550
Why?
Brown-Sequard Syndrome
1
2016
4
0.550
Why?
Central Nervous System Vascular Malformations
1
2016
4
0.550
Why?
Age of Onset
1
2016
89
0.540
Why?
Foreign-Body Migration
2
2015
18
0.530
Why?
Health Care Costs
2
2016
59
0.520
Why?
Atlanto-Axial Joint
2
2015
12
0.520
Why?
Spondylolysis
1
2015
3
0.510
Why?
Propensity Score
3
2023
29
0.510
Why?
Tomography, X-Ray Computed
10
2016
685
0.510
Why?
Athletes
1
2015
68
0.490
Why?
Postoperative Care
6
2021
118
0.490
Why?
Neurosurgery
3
2015
33
0.480
Why?
Thoracoscopy
3
2014
20
0.480
Why?
Hypothermia, Induced
1
2014
17
0.470
Why?
Adolescent
12
2023
1998
0.470
Why?
Quality of Health Care
1
2015
116
0.470
Why?
Neuroendoscopy
2
2013
7
0.460
Why?
Hernia
1
2014
7
0.460
Why?
Herniorrhaphy
1
2014
29
0.450
Why?
Cerebrospinal Fluid Rhinorrhea
1
2013
14
0.450
Why?
Osteoporosis
2
2006
74
0.440
Why?
Functional Laterality
1
2013
62
0.430
Why?
Vertebroplasty
2
2009
9
0.420
Why?
Spinal Nerve Roots
4
2003
15
0.420
Why?
Nerve Compression Syndromes
4
2003
19
0.420
Why?
Parkinson Disease
1
2020
818
0.410
Why?
Imaging, Three-Dimensional
1
2013
202
0.410
Why?
Sarcoma, Myeloid
1
2012
4
0.410
Why?
Databases, Factual
8
2018
306
0.400
Why?
Syringomyelia
3
2007
7
0.400
Why?
Leukemia, Myeloid, Acute
1
2012
49
0.390
Why?
Obesity
2
2015
266
0.370
Why?
Posture
4
2018
63
0.340
Why?
Zygapophyseal Joint
3
2006
30
0.340
Why?
Costs and Cost Analysis
3
2019
33
0.340
Why?
Intracranial Aneurysm
1
2009
27
0.330
Why?
Carcinoma in Situ
1
2009
9
0.320
Why?
Stents
1
2009
65
0.320
Why?
Surgical Wound Infection
1
2009
78
0.320
Why?
Checklist
2
2023
35
0.310
Why?
Cadaver
5
2009
323
0.310
Why?
Age Factors
4
2018
721
0.300
Why?
Evoked Potentials, Motor
3
2021
11
0.300
Why?
Subarachnoid Space
1
2007
5
0.300
Why?
Cerebrospinal Fluid Shunts
1
2007
7
0.300
Why?
Congenital Abnormalities
2
2017
9
0.300
Why?
Pseudarthrosis
3
2011
9
0.290
Why?
Recurrence
5
2012
291
0.290
Why?
Models, Biological
1
2009
299
0.280
Why?
Rhizotomy
1
2006
2
0.280
Why?
Range of Motion, Articular
4
2015
645
0.270
Why?
Biomechanical Phenomena
4
2015
588
0.270
Why?
Cysts
1
2006
14
0.270
Why?
Intermittent Claudication
1
2006
3
0.260
Why?
Evoked Potentials, Somatosensory
3
2021
8
0.260
Why?
Arthroplasty
2
2022
130
0.260
Why?
Incidence
4
2015
665
0.260
Why?
Paralysis
2
2023
15
0.260
Why?
Nervous System Diseases
3
2012
116
0.250
Why?
Lumbosacral Region
5
2017
58
0.250
Why?
Feasibility Studies
6
2009
195
0.250
Why?
Electric Stimulation Therapy
2
2003
35
0.240
Why?
Movement
1
2005
109
0.240
Why?
Pelvis
3
2018
29
0.230
Why?
Time Factors
5
2013
1329
0.220
Why?
Cell Differentiation
2
2020
111
0.220
Why?
Tuberculosis, Spinal
1
2003
1
0.220
Why?
Decompression
1
2023
23
0.220
Why?
Intervertebral Disc Chemolysis
1
2003
3
0.210
Why?
Central Nervous System
1
2023
46
0.210
Why?
Frailty
1
2023
35
0.210
Why?
Electromyography
2
2021
58
0.210
Why?
Recovery of Function
3
2015
264
0.210
Why?
Tacrolimus
1
2022
16
0.210
Why?
Surgery, Computer-Assisted
2
2016
54
0.210
Why?
Varicose Veins
1
2022
2
0.200
Why?
Hypesthesia
1
2022
7
0.200
Why?
Benzophenones
1
2021
25
0.190
Why?
Decision Making
2
2014
219
0.190
Why?
Internal Fixators
3
2004
37
0.190
Why?
Polymers
1
2021
40
0.190
Why?
Fracture Fixation, Internal
2
1999
61
0.190
Why?
Polyethylene Glycols
1
2021
40
0.190
Why?
Pain
2
2020
365
0.190
Why?
Muscle, Skeletal
2
2017
329
0.190
Why?
Convalescence
1
2020
7
0.180
Why?
Leg
1
2020
46
0.180
Why?
Postoperative Period
3
2017
272
0.180
Why?
Genomic Instability
1
2020
7
0.170
Why?
Regenerative Medicine
1
2020
5
0.170
Why?
Minimal Clinically Important Difference
1
2021
126
0.170
Why?
Allografts
1
2021
187
0.170
Why?
Cervical Atlas
1
1999
4
0.170
Why?
Pain, Postoperative
2
2013
287
0.170
Why?
Axis, Cervical Vertebra
1
1999
9
0.170
Why?
Models, Anatomic
2
2010
39
0.170
Why?
Algorithms
3
2019
351
0.170
Why?
Biocompatible Materials
1
2020
87
0.170
Why?
Neck
1
2019
26
0.160
Why?
Joint Instability
4
2000
344
0.160
Why?
Bone Plates
1
2019
49
0.160
Why?
Finite Element Analysis
2
2009
30
0.160
Why?
Rehabilitation Centers
1
2018
2
0.160
Why?
Analgesics, Opioid
1
2021
191
0.160
Why?
Home Care Services
1
2018
18
0.150
Why?
Patient Selection
1
2019
188
0.150
Why?
Operative Time
2
2016
76
0.150
Why?
Diagnosis-Related Groups
1
2017
8
0.150
Why?
Cost-Benefit Analysis
2
2015
119
0.150
Why?
Arthroscopy
1
2005
816
0.150
Why?
Blood Transfusion
1
2017
57
0.150
Why?
Muscle Denervation
1
2017
3
0.140
Why?
Activities of Daily Living
1
2020
498
0.140
Why?
Constriction, Pathologic
1
2017
26
0.140
Why?
Single-Blind Method
1
2017
103
0.140
Why?
Medicare
1
2017
107
0.140
Why?
Angiography, Digital Subtraction
1
2016
5
0.140
Why?
Anemia
1
2017
88
0.140
Why?
Intensive Care Units
1
2019
277
0.140
Why?
Image Processing, Computer-Assisted
1
2017
186
0.130
Why?
Musculoskeletal Abnormalities
1
2015
1
0.130
Why?
Risk Factors
4
2016
2171
0.130
Why?
Nerve Degeneration
1
1996
43
0.130
Why?
Fetal Tissue Transplantation
3
2001
21
0.130
Why?
Quality Indicators, Health Care
1
2015
33
0.120
Why?
Defensive Medicine
1
2015
1
0.120
Why?
Health Surveys
1
2015
82
0.120
Why?
Narcotics
3
2005
34
0.120
Why?
Brain Diseases
2
2000
66
0.120
Why?
Astrocytoma
1
2013
13
0.110
Why?
Cerebrospinal Fluid Leak
1
2013
22
0.110
Why?
Subdural Effusion
2
2003
5
0.110
Why?
Lumbosacral Plexus
1
2013
5
0.110
Why?
Central Cord Syndrome
1
2013
1
0.110
Why?
Body Mass Index
1
2015
395
0.110
Why?
Methylprednisolone Hemisuccinate
1
1993
2
0.110
Why?
Intraoperative Care
2
2012
37
0.110
Why?
Methylprednisolone
1
1993
20
0.110
Why?
Chondrocytes
3
2006
136
0.110
Why?
Odontoid Process
1
1992
9
0.100
Why?
Multivariate Analysis
1
2013
278
0.100
Why?
Bupivacaine
1
1993
41
0.100
Why?
Logistic Models
1
2013
343
0.100
Why?
Glioblastoma
1
2012
8
0.100
Why?
Tarlov Cysts
1
2012
1
0.100
Why?
Monitoring, Intraoperative
1
2012
36
0.100
Why?
Prone Position
1
2012
31
0.100
Why?
Calcinosis
1
2012
40
0.100
Why?
Self Report
1
2013
199
0.100
Why?
Anti-Inflammatory Agents
1
1993
72
0.100
Why?
Evidence-Based Medicine
1
2013
174
0.100
Why?
Lipomatosis
1
1992
3
0.100
Why?
Brain Neoplasms
1
2012
71
0.100
Why?
Guidelines as Topic
1
2012
60
0.100
Why?
Psoas Muscles
1
2011
5
0.100
Why?
Abdominal Injuries
1
2011
4
0.100
Why?
Prednisone
1
1992
59
0.100
Why?
Polyradiculopathy
1
2011
2
0.100
Why?
Computer Simulation
2
2010
191
0.090
Why?
Neurologic Examination
3
1998
111
0.090
Why?
Visual Analog Scale
3
2017
59
0.090
Why?
Case-Control Studies
2
2018
541
0.090
Why?
Transplantation, Homologous
2
2003
249
0.090
Why?
Endoscopes
2
2007
7
0.090
Why?
Breast Neoplasms
1
2013
341
0.090
Why?
Clinical Trials as Topic
2
2014
216
0.090
Why?
Polymethacrylic Acids
1
2009
5
0.080
Why?
Ribs
1
2009
14
0.080
Why?
Fractures, Compression
1
2009
7
0.080
Why?
Cerebral Angiography
1
2009
28
0.080
Why?
Mycetoma
1
1989
1
0.080
Why?
Cranial Sinuses
1
1989
3
0.080
Why?
Elastic Modulus
1
2009
10
0.080
Why?
Compressive Strength
1
2009
21
0.080
Why?
Motion
1
2009
21
0.080
Why?
Stress, Mechanical
1
2009
146
0.080
Why?
Ultrasonography
2
2007
219
0.080
Why?
Weight-Bearing
1
2009
144
0.080
Why?
Epidural Space
2
2022
20
0.080
Why?
Thoracic Surgery, Video-Assisted
1
2008
17
0.070
Why?
Meningioma
2
2000
13
0.070
Why?
Aging
2
2011
1527
0.070
Why?
Sensation Disorders
2
1999
11
0.070
Why?
Prognosis
3
2016
727
0.070
Why?
Neural Tube Defects
1
2007
7
0.070
Why?
Health Status
1
2008
210
0.070
Why?
Microscopy
1
2007
8
0.070
Why?
Equipment Design
1
2007
137
0.070
Why?
Dissection
1
2007
20
0.070
Why?
Laser Therapy
1
2006
9
0.070
Why?
Spinal Canal
1
2006
8
0.070
Why?
Animals
4
2003
3381
0.070
Why?
Reproducibility of Results
2
2018
642
0.060
Why?
Synovial Cyst
1
2004
3
0.060
Why?
Radiography, Interventional
1
2003
20
0.060
Why?
History, Ancient
1
2003
3
0.050
Why?
History, 18th Century
1
2003
5
0.050
Why?
Chemotaxis
1
2003
5
0.050
Why?
Tissue Preservation
1
2003
4
0.050
Why?
Antitubercular Agents
1
2003
11
0.050
Why?
Cell Division
1
2003
71
0.050
Why?
Mesoderm
1
2003
19
0.050
Why?
Osteoclasts
1
2003
20
0.050
Why?
Combined Modality Therapy
2
2015
268
0.050
Why?
History, 20th Century
1
2003
44
0.050
Why?
Pregnancy Complications
1
2003
47
0.050
Why?
Polymethyl Methacrylate
1
2002
11
0.050
Why?
Models, Animal
1
2003
94
0.050
Why?
Mouth
1
2002
12
0.050
Why?
Bone Matrix
1
2003
24
0.050
Why?
Osteoblasts
1
2003
50
0.050
Why?
Pharynx
1
2002
13
0.050
Why?
Bone Remodeling
1
2003
43
0.050
Why?
Transplantation, Autologous
1
2003
144
0.050
Why?
Consensus
1
2023
83
0.050
Why?
Neck Pain
1
2002
27
0.050
Why?
Pregnancy
1
2003
302
0.050
Why?
Rabbits
1
2003
217
0.050
Why?
Bone Regeneration
1
2003
68
0.050
Why?
Osteogenesis
1
2003
96
0.050
Why?
Bone Cements
1
2002
88
0.050
Why?
Survival Rate
2
2013
310
0.050
Why?
Bacterial Infections
2
2004
50
0.050
Why?
Multicenter Studies as Topic
1
2021
53
0.050
Why?
United States
2
2017
1901
0.050
Why?
Molecular Biology
1
2000
12
0.050
Why?
Growth Substances
1
2000
29
0.050
Why?
Surveys and Questionnaires
2
2015
1038
0.050
Why?
Granuloma
1
2000
12
0.050
Why?
Collagen
1
2000
65
0.050
Why?
Cell Survival
1
2000
102
0.040
Why?
Meningeal Neoplasms
1
2000
13
0.040
Why?
Cell Movement
1
2000
72
0.040
Why?
Proteoglycans
1
2000
124
0.040
Why?
Sarcoidosis
1
2000
12
0.040
Why?
Inflammation Mediators
1
2000
53
0.040
Why?
Immobilization
1
1999
15
0.040
Why?
Orthopedic Fixation Devices
2
1997
19
0.040
Why?
Thoracotomy
1
1998
21
0.040
Why?
Observer Variation
1
2018
87
0.040
Why?
Survival Analysis
1
1998
233
0.040
Why?
Surgeons
1
2018
74
0.040
Why?
Wound Healing
1
1997
138
0.030
Why?
Inpatients
1
2017
127
0.030
Why?
Osteomyelitis
2
1992
19
0.030
Why?
Malpractice
1
2015
10
0.030
Why?
Prevalence
1
2016
421
0.030
Why?
Longitudinal Ligaments
1
1994
1
0.030
Why?
Gelatin Sponge, Absorbable
1
1994
3
0.030
Why?
Fascia
1
1994
7
0.030
Why?
Dogs
2
1993
176
0.030
Why?
Cell Transplantation
1
1994
19
0.030
Why?
Pleural Effusion
1
1994
11
0.030
Why?
Risk
1
2015
195
0.030
Why?
Neurilemmoma
1
1994
14
0.030
Why?
Patient-Centered Care
1
2015
53
0.030
Why?
Hospitalization
1
2016
282
0.030
Why?
SEER Program
1
2013
39
0.030
Why?
Delivery of Health Care
1
2015
142
0.030
Why?
Contraindications
1
1993
32
0.030
Why?
Child
1
1997
1232
0.030
Why?
Intraoperative Period
1
1993
24
0.030
Why?
ROC Curve
1
2013
126
0.030
Why?
Transcranial Magnetic Stimulation
1
2012
15
0.030
Why?
Severity of Illness Index
1
2016
903
0.030
Why?
Drug Therapy, Combination
1
1993
162
0.030
Why?
Neoplasm Staging
1
2013
294
0.030
Why?
Spinal Injuries
1
1993
24
0.030
Why?
Contrast Media
1
2012
58
0.030
Why?
Disease Management
1
2013
108
0.030
Why?
Diagnostic Imaging
1
1993
69
0.030
Why?
Myelography
1
1992
8
0.030
Why?
Adrenal Cortex Hormones
1
1993
94
0.030
Why?
Surgical Flaps
1
1992
49
0.020
Why?
Pleura
1
1991
9
0.020
Why?
Surgical Procedures, Operative
1
1991
24
0.020
Why?
Morbidity
1
2011
56
0.020
Why?
Fractures, Bone
1
1992
73
0.020
Why?
Orthopedics
1
1993
100
0.020
Why?
Debridement
2
2004
88
0.020
Why?
Scapula
1
1991
77
0.020
Why?
Muscular Atrophy
1
2010
5
0.020
Why?
Arthrodesis
1
2010
41
0.020
Why?
Arthritis, Rheumatoid
1
1992
233
0.020
Why?
Pseudallescheria
1
1989
1
0.020
Why?
Movement Disorders
1
2010
90
0.020
Why?
Endpoint Determination
1
2009
20
0.020
Why?
Spondylitis, Ankylosing
1
2008
19
0.020
Why?
Risk Assessment
1
2009
593
0.020
Why?
Crystallization
1
2006
4
0.020
Why?
Chondrocalcinosis
1
2006
3
0.020
Why?
Neovascularization, Physiologic
1
2006
18
0.020
Why?
Preoperative Care
1
2006
117
0.020
Why?
Age Distribution
1
2006
77
0.020
Why?
Synovial Membrane
1
2006
47
0.020
Why?
Central Nervous System Fungal Infections
1
2004
2
0.020
Why?
Periaqueductal Gray
1
1984
1
0.010
Why?
Stereotaxic Techniques
1
1984
14
0.010
Why?
H-Reflex
1
2001
1
0.010
Why?
Median Nerve
1
2001
1
0.010
Why?
Tibial Nerve
1
2001
3
0.010
Why?
Neural Conduction
1
2001
8
0.010
Why?
Action Potentials
1
2001
114
0.010
Why?
Necrosis
1
2000
27
0.010
Why?
Pilot Projects
1
2001
361
0.010
Why?
Diagnosis, Differential
1
2000
332
0.010
Why?
Work
1
1996
10
0.010
Why?
Extremities
1
1996
28
0.010
Why?
Antidepressive Agents
1
1996
93
0.010
Why?
Analgesics
1
1996
79
0.010
Why?
Chronic Disease
1
1996
407
0.010
Why?
Anti-Bacterial Agents
1
1997
326
0.010
Why?
Equipment Failure
1
1992
38
0.010
Why?
Electrodes, Implanted
1
1984
23
0.000
Why?
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