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Robert Sheiman

Concepts (296)

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?
Tomography, X-Ray Computed
23
2021
1656
1.590
Why?
Thrombin
6
2003
21
0.800
Why?
Ultrasonography, Doppler
3
2010
27
0.630
Why?
Aneurysm, False
6
2003
47
0.630
Why?
Postoperative Complications
6
2017
1320
0.600
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
9
0.590
Why?
Hemostatics
4
2003
27
0.570
Why?
Portal Vein
4
2010
39
0.560
Why?
Coronary Artery Disease
2
2014
324
0.510
Why?
Adenocarcinoma
5
2008
366
0.510
Why?
Contrast Media
9
2015
432
0.500
Why?
Catheterization
5
2007
111
0.480
Why?
Catheter Ablation
4
2012
156
0.480
Why?
Middle Aged
42
2018
18254
0.480
Why?
Thrombophlebitis
4
1999
14
0.410
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
76
0.410
Why?
Calcinosis
1
2014
84
0.400
Why?
Hypertension, Portal
1
2013
19
0.400
Why?
Software
3
2014
400
0.390
Why?
Coronary Angiography
1
2014
212
0.390
Why?
Surgery, Computer-Assisted
1
2013
56
0.390
Why?
Femoral Artery
3
2003
104
0.380
Why?
Male
44
2018
31014
0.380
Why?
Aged, 80 and over
19
2018
5606
0.370
Why?
Pancreas
2
2014
154
0.370
Why?
Mesenteric Lymphadenitis
1
2012
2
0.360
Why?
Liver Transplantation
2
2012
220
0.350
Why?
Liver Neoplasms
2
2012
309
0.350
Why?
Lymphoma, Non-Hodgkin
1
2012
54
0.350
Why?
Diagnostic Imaging
2
2013
272
0.340
Why?
Intestine, Small
2
2005
82
0.340
Why?
Aged
26
2018
14945
0.340
Why?
Female
41
2018
33997
0.340
Why?
Algorithms
3
2014
1047
0.330
Why?
Catheters, Indwelling
3
2007
67
0.330
Why?
Mesenteric Vascular Occlusion
2
2000
12
0.320
Why?
Humans
58
2021
65095
0.320
Why?
Carcinoma, Hepatocellular
1
2012
176
0.310
Why?
Femoral Vein
2
2007
19
0.310
Why?
Adult
25
2018
17351
0.300
Why?
Graft Occlusion, Vascular
3
2006
60
0.300
Why?
Neoplasm Recurrence, Local
1
2012
372
0.300
Why?
Pancreatic Neoplasms
4
2004
354
0.290
Why?
Iopamidol
3
2012
13
0.290
Why?
Catheterization, Central Venous
3
2006
84
0.280
Why?
Sigmoid Neoplasms
1
2008
2
0.280
Why?
Sigmoid Diseases
1
2008
8
0.270
Why?
Sensitivity and Specificity
8
2014
1162
0.270
Why?
Diverticulitis, Colonic
1
2008
38
0.270
Why?
Aorta, Abdominal
2
1998
56
0.260
Why?
Common Bile Duct
2
2004
21
0.250
Why?
Carotid Arteries
1
2007
64
0.250
Why?
Terminology as Topic
2
2000
144
0.250
Why?
Carotid Artery Diseases
1
2007
61
0.250
Why?
Iatrogenic Disease
3
2003
57
0.250
Why?
Fibrin
1
2006
19
0.240
Why?
Incidental Findings
3
2018
51
0.240
Why?
Penile Erection
1
2005
7
0.240
Why?
Impotence, Vasculogenic
1
2005
3
0.240
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.230
Why?
Image-Guided Biopsy
2
2017
50
0.230
Why?
Stents
3
2010
498
0.230
Why?
Penis
1
2005
37
0.230
Why?
Image Processing, Computer-Assisted
5
2008
699
0.230
Why?
Piperazines
1
2005
86
0.220
Why?
Renal Dialysis
1
2006
191
0.220
Why?
Cystic Duct
1
2004
5
0.220
Why?
Biopsy
2
2014
456
0.210
Why?
Cholecystitis
1
2004
29
0.210
Why?
Thrombosis
2
2000
206
0.210
Why?
Retrospective Studies
11
2021
6859
0.210
Why?
Cholestasis
1
2004
65
0.210
Why?
Tissue Plasminogen Activator
2
2006
126
0.200
Why?
Tomography, Spiral Computed
1
2003
22
0.200
Why?
Ultrasonography
6
2010
489
0.200
Why?
Colonic Diseases
1
2003
35
0.200
Why?
Radiography, Abdominal
2
2017
27
0.200
Why?
Hemorheology
2
2000
6
0.200
Why?
Radiography, Interventional
3
2017
82
0.200
Why?
Pulse
2
2002
16
0.190
Why?
Ultrasonic Therapy
1
2002
9
0.190
Why?
Gastrointestinal Hemorrhage
1
2003
88
0.190
Why?
Bronchial Arteries
1
2002
3
0.190
Why?
Hemoptysis
1
2002
10
0.190
Why?
Gastric Fistula
1
2002
4
0.180
Why?
Cutaneous Fistula
1
2002
7
0.180
Why?
Ultrasonography, Interventional
1
2003
123
0.180
Why?
Feasibility Studies
4
2008
587
0.180
Why?
Cardiac Catheterization
2
2001
293
0.170
Why?
Device Removal
1
2002
64
0.170
Why?
Venous Thrombosis
1
2002
112
0.170
Why?
Prospective Studies
6
2008
3306
0.170
Why?
Fistula
1
2001
14
0.170
Why?
Pancreatic Fistula
1
2001
19
0.170
Why?
Lung Neoplasms
2
2021
704
0.170
Why?
Splanchnic Circulation
2
2000
16
0.170
Why?
Pancreaticoduodenectomy
1
2001
62
0.160
Why?
Liver Circulation
1
2000
11
0.160
Why?
Radiosurgery
1
2021
67
0.160
Why?
Brachial Artery
2
1999
28
0.160
Why?
Radiography
3
2012
555
0.160
Why?
Plasminogen Activators
1
2000
10
0.160
Why?
Skin Diseases
1
2001
80
0.160
Why?
Injections, Intravenous
4
2005
159
0.150
Why?
Pulmonary Embolism
2
1999
196
0.150
Why?
Fiducial Markers
2
2021
4
0.150
Why?
Embolization, Therapeutic
1
2002
333
0.140
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
49
0.140
Why?
Thoracic Neoplasms
1
1998
14
0.140
Why?
Abdominal Neoplasms
1
1998
22
0.140
Why?
Splenic Neoplasms
1
2018
7
0.140
Why?
Thrombectomy
1
2000
254
0.130
Why?
Ultrasonography, Doppler, Duplex
4
2015
47
0.130
Why?
Ultrasonography, Doppler, Color
4
2001
24
0.130
Why?
Renal Artery
1
1996
36
0.120
Why?
Diagnosis, Differential
2
2010
991
0.120
Why?
Diverticulum, Colon
1
1995
5
0.120
Why?
Drainage
1
2017
152
0.120
Why?
Phlebography
3
2010
45
0.120
Why?
Bacterial Infections
1
2017
150
0.110
Why?
Liposarcoma
1
2015
8
0.110
Why?
Ambulatory Care
1
2017
317
0.110
Why?
Vascular Neoplasms
1
2015
18
0.110
Why?
Vena Cava, Inferior
1
2015
33
0.110
Why?
Models, Theoretical
2
2008
274
0.110
Why?
Regional Blood Flow
2
2008
116
0.110
Why?
Aortography
3
2008
58
0.110
Why?
Software Validation
1
2014
9
0.110
Why?
Statistics, Nonparametric
2
2005
213
0.110
Why?
Forearm
1
1994
22
0.100
Why?
Vascular Diseases
2
1995
83
0.100
Why?
Radiographic Image Enhancement
1
2014
98
0.100
Why?
Pneumothorax
1
2014
49
0.100
Why?
Hand
1
1994
76
0.100
Why?
Swine
3
2003
394
0.100
Why?
Partial Thromboplastin Time
1
1993
9
0.100
Why?
Urokinase-Type Plasminogen Activator
1
1993
12
0.100
Why?
Pain
1
1995
399
0.100
Why?
Graft vs Host Disease
1
2014
113
0.100
Why?
Treatment Outcome
6
2017
5784
0.090
Why?
Mucocele
1
2012
2
0.090
Why?
Esophageal Diseases
1
2012
16
0.090
Why?
Respiration Disorders
1
2012
26
0.090
Why?
Treatment Failure
2
2003
208
0.090
Why?
Heparin
1
1993
118
0.090
Why?
Hepatic Artery
1
2012
22
0.090
Why?
Hemorrhage
2
1993
285
0.090
Why?
Constriction, Pathologic
2
2010
130
0.090
Why?
Thrombolytic Therapy
1
1993
195
0.090
Why?
Hot Temperature
1
2012
145
0.080
Why?
Hematopoietic Stem Cell Transplantation
1
2014
352
0.080
Why?
Lymph Nodes
1
2012
232
0.080
Why?
Polyps
1
2010
4
0.080
Why?
Acute Disease
2
2004
663
0.080
Why?
Anti-Bacterial Agents
1
2017
801
0.080
Why?
Gallbladder Diseases
1
2010
26
0.080
Why?
Reproducibility of Results
2
2014
1698
0.080
Why?
Adrenal Gland Neoplasms
1
2010
52
0.080
Why?
Hospitalization
1
2017
1392
0.080
Why?
Hepatectomy
1
2010
63
0.080
Why?
Equipment Failure
2
2007
63
0.080
Why?
Blood Volume
2
2008
40
0.070
Why?
Vascular Patency
3
2006
134
0.070
Why?
Emergency Service, Hospital
1
2017
1149
0.070
Why?
Case-Control Studies
2
2010
1141
0.070
Why?
Liver Diseases
1
2010
158
0.070
Why?
Angiography
4
2015
154
0.070
Why?
Cineradiography
1
2008
1
0.070
Why?
Diatrizoate Meglumine
1
2008
6
0.070
Why?
Bibliometrics
1
2008
35
0.070
Why?
Gastrointestinal Transit
1
2008
6
0.070
Why?
Intestinal Absorption
1
2008
32
0.070
Why?
Young Adult
2
2018
4810
0.070
Why?
Injections
2
2005
84
0.070
Why?
Blood Flow Velocity
2
2005
73
0.070
Why?
Risk Factors
3
2012
5422
0.070
Why?
Atherectomy
2
1997
8
0.060
Why?
Kinetics
1
2008
759
0.060
Why?
Elective Surgical Procedures
1
2007
119
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
7
0.060
Why?
Papaverine
1
2005
7
0.060
Why?
Preoperative Care
1
2007
199
0.060
Why?
Triiodobenzoic Acids
1
2005
11
0.060
Why?
Sildenafil Citrate
1
2005
14
0.060
Why?
Adrenergic alpha-Antagonists
1
2005
15
0.060
Why?
Sulfones
1
2005
43
0.060
Why?
Purines
1
2005
43
0.060
Why?
Periodicals as Topic
1
2008
178
0.060
Why?
Coronary Artery Bypass
1
2007
292
0.060
Why?
Patient Selection
1
2007
483
0.050
Why?
Administration, Oral
1
2005
371
0.050
Why?
Follow-Up Studies
3
2018
2482
0.050
Why?
Radiology
1
2008
263
0.050
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Logistic Models
1
2007
1270
0.050
Why?
Vena Cava Filters
1
2003
23
0.050
Why?
Embolism
1
2003
41
0.050
Why?
Mesenteric Veins
2
2000
11
0.050
Why?
Injections, Intra-Arterial
1
2002
21
0.050
Why?
Image Enhancement
1
2003
194
0.050
Why?
Intubation, Gastrointestinal
1
2002
20
0.040
Why?
Mammary Arteries
1
2001
11
0.040
Why?
Gastrostomy
1
2002
30
0.040
Why?
Models, Animal
1
2002
241
0.040
Why?
Recurrence
2
2001
656
0.040
Why?
Mass Screening
1
2007
696
0.040
Why?
Pancreaticojejunostomy
1
2001
4
0.040
Why?
Injections, Intralesional
1
2001
14
0.040
Why?
Equipment Design
1
2002
363
0.040
Why?
Computer Simulation
1
2003
483
0.040
Why?
Anastomosis, Surgical
1
2001
118
0.040
Why?
Heart
1
2002
297
0.040
Why?
Mesenteric Artery, Superior
1
2000
16
0.040
Why?
Intermittent Claudication
2
1997
53
0.040
Why?
Neoplasm Invasiveness
2
1997
286
0.040
Why?
Leg
2
1996
87
0.040
Why?
Aortic Aneurysm, Thoracic
1
2000
108
0.040
Why?
Common Bile Duct Diseases
1
1998
10
0.040
Why?
Pancreatic Diseases
1
1998
38
0.040
Why?
Pancreatic Ducts
1
1998
31
0.040
Why?
False Negative Reactions
1
1998
41
0.040
Why?
Urography
1
1998
13
0.030
Why?
Ureter
1
1998
37
0.030
Why?
Costs and Cost Analysis
2
1995
106
0.030
Why?
Saphenous Vein
1
1997
51
0.030
Why?
Spleen
1
2018
474
0.030
Why?
Adolescent
2
1999
6305
0.030
Why?
Iliac Artery
1
1996
43
0.030
Why?
Arterial Occlusive Diseases
1
1996
67
0.030
Why?
Animals
3
2003
21308
0.030
Why?
Veins
1
1996
63
0.030
Why?
Aortic Diseases
1
1996
65
0.030
Why?
Kidney
1
1998
450
0.030
Why?
Causality
1
1995
60
0.030
Why?
Thromboembolism
1
1996
74
0.030
Why?
Radiology, Interventional
1
1995
31
0.030
Why?
Liver
1
1999
869
0.030
Why?
Atrophy
1
2014
87
0.030
Why?
Prosthesis Implantation
1
2014
30
0.030
Why?
Time Factors
2
2003
3762
0.030
Why?
Health Services Needs and Demand
1
1995
219
0.020
Why?
Fibrinogen
1
1993
33
0.020
Why?
Respiratory Sounds
1
2012
21
0.020
Why?
Hematoma
1
1993
84
0.020
Why?
Predictive Value of Tests
4
1997
1112
0.020
Why?
Aortic Rupture
1
1992
47
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
184
0.020
Why?
Aorta, Thoracic
1
1992
80
0.020
Why?
Thoracic Injuries
1
1992
46
0.020
Why?
Drug Therapy, Combination
1
1993
463
0.020
Why?
Prevalence
1
1995
1439
0.020
Why?
Chronic Disease
1
2014
741
0.020
Why?
Wounds, Nonpenetrating
1
1992
116
0.020
Why?
Lung
1
1996
962
0.020
Why?
Gallbladder Neoplasms
1
2010
14
0.020
Why?
Cholecystectomy
1
2010
34
0.020
Why?
Critical Illness
1
2012
329
0.020
Why?
Pressure
2
2000
78
0.020
Why?
Guidelines as Topic
1
2008
158
0.020
Why?
Biomarkers, Tumor
1
2010
524
0.020
Why?
Observer Variation
2
1998
216
0.020
Why?
Administration, Cutaneous
1
2001
31
0.010
Why?
Transducers
1
2000
23
0.010
Why?
Retreatment
1
2000
43
0.010
Why?
Angioplasty, Balloon
1
2000
55
0.010
Why?
Therapy, Computer-Assisted
1
1999
23
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
171
0.010
Why?
Necrosis
1
1999
148
0.010
Why?
Cattle
1
1999
320
0.010
Why?
In Vitro Techniques
1
1999
491
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
Ureteral Diseases
1
1998
3
0.010
Why?
Supine Position
1
1998
34
0.010
Why?
Kidney Pelvis
1
1998
13
0.010
Why?
Prone Position
1
1998
28
0.010
Why?
Urothelium
1
1998
22
0.010
Why?
Evaluation Studies as Topic
1
1998
105
0.010
Why?
Hematuria
1
1998
23
0.010
Why?
Urinary Bladder
1
1998
47
0.010
Why?
Abdomen
1
1998
94
0.010
Why?
Mesenteric Arteries
1
1997
10
0.010
Why?
Kidney Diseases
1
1998
177
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
27
0.010
Why?
Radionuclide Imaging
1
1996
128
0.010
Why?
Physical Examination
1
1996
109
0.010
Why?
Aneurysm
1
1996
58
0.010
Why?
Muscle, Skeletal
1
1999
773
0.010
Why?
Blood Pressure
1
1996
526
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
228
0.010
Why?
Longitudinal Studies
1
1996
1280
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1418
0.010
Why?
Magnetic Resonance Imaging
1
1995
2245
0.000
Why?
Neoplasms
1
1995
1367
0.000
Why?
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