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Prem Shekar

Concepts (335)

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?
Cardiac Surgical Procedures
25
2023
249
3.880
Why?
Heart Valve Prosthesis Implantation
24
2021
153
3.540
Why?
Heart Valve Diseases
12
2023
88
1.950
Why?
Aortic Valve
14
2021
173
1.780
Why?
Heart-Assist Devices
8
2019
129
1.530
Why?
Mitral Valve
10
2023
105
1.440
Why?
Postoperative Complications
19
2021
1204
1.390
Why?
Coronary Artery Bypass
14
2023
275
1.330
Why?
Mitral Valve Insufficiency
6
2021
74
1.090
Why?
Circulatory Arrest, Deep Hypothermia Induced
4
2014
6
1.050
Why?
Heart Valve Prosthesis
9
2021
92
0.980
Why?
Intraoperative Complications
4
2019
85
0.960
Why?
Aorta, Thoracic
4
2016
81
0.940
Why?
Aortic Valve Stenosis
7
2020
170
0.860
Why?
Cardiopulmonary Bypass
8
2014
53
0.860
Why?
Reoperation
12
2020
272
0.860
Why?
Vascular Surgical Procedures
3
2015
251
0.850
Why?
Retrospective Studies
48
2021
6071
0.800
Why?
Hospital Mortality
12
2021
842
0.800
Why?
Treatment Outcome
41
2023
5281
0.770
Why?
Heart Failure
6
2019
853
0.760
Why?
Aged
57
2021
13406
0.750
Why?
Sternum
6
2021
27
0.730
Why?
Middle Aged
58
2021
16314
0.710
Why?
Prosthesis Failure
6
2021
71
0.700
Why?
Risk Assessment
12
2021
1925
0.660
Why?
Bioprosthesis
6
2021
39
0.660
Why?
Prosthesis Design
10
2021
209
0.660
Why?
Minimally Invasive Surgical Procedures
8
2020
98
0.650
Why?
Male
69
2021
27747
0.650
Why?
Aortic Valve Insufficiency
2
2012
42
0.650
Why?
Sternotomy
4
2021
12
0.650
Why?
Humans
91
2023
59389
0.650
Why?
Female
71
2021
30724
0.630
Why?
Intra-Aortic Balloon Pumping
3
2014
16
0.620
Why?
Echocardiography, Transesophageal
8
2021
92
0.620
Why?
Calcinosis
1
2019
79
0.610
Why?
Pulmonary Embolism
5
2018
169
0.580
Why?
Aorta
4
2018
108
0.560
Why?
Aged, 80 and over
29
2021
5119
0.540
Why?
Aortic Diseases
3
2020
72
0.520
Why?
Blood Vessel Prosthesis Implantation
3
2020
297
0.520
Why?
Adult
32
2022
15683
0.500
Why?
Jehovah's Witnesses
1
2015
17
0.490
Why?
Coronary Artery Disease
4
2020
274
0.490
Why?
Ventricular Dysfunction, Left
2
2007
158
0.480
Why?
Heart, Artificial
1
2014
2
0.480
Why?
Cerebrovascular Circulation
2
2014
174
0.470
Why?
Risk Factors
26
2021
4986
0.460
Why?
Atherosclerosis
2
2014
146
0.450
Why?
Perfusion
1
2014
79
0.450
Why?
Extracorporeal Membrane Oxygenation
1
2014
52
0.440
Why?
Follow-Up Studies
16
2021
2338
0.430
Why?
Transcatheter Aortic Valve Replacement
4
2020
96
0.420
Why?
Proportional Hazards Models
12
2021
674
0.420
Why?
Embolectomy
4
2018
15
0.400
Why?
Survival Rate
8
2019
801
0.370
Why?
Acute Kidney Injury
4
2018
132
0.360
Why?
Ventricular Function, Left
1
2012
257
0.350
Why?
Heart
2
2022
274
0.350
Why?
Aortic Aneurysm
5
2020
81
0.350
Why?
Time Factors
16
2019
3615
0.340
Why?
Atrial Fibrillation
4
2022
805
0.340
Why?
Heart Diseases
2
2019
206
0.330
Why?
Boston
8
2018
247
0.330
Why?
Heart Transplantation
4
2019
162
0.310
Why?
Catheterization
2
2006
111
0.300
Why?
Surgical Wound Infection
2
2021
110
0.300
Why?
Lung Diseases, Interstitial
2
2020
129
0.300
Why?
Coronary Vessels
2
2008
109
0.290
Why?
Cardiovascular Diseases
1
2015
789
0.290
Why?
Hemoglobinopathies
1
2007
7
0.280
Why?
Hemoglobins, Abnormal
1
2007
6
0.280
Why?
Cardiac Valve Annuloplasty
2
2020
7
0.280
Why?
Renal Insufficiency, Chronic
2
2019
114
0.280
Why?
Propensity Score
5
2019
144
0.270
Why?
Angioplasty, Balloon, Coronary
2
2004
168
0.270
Why?
Kaplan-Meier Estimate
10
2018
396
0.260
Why?
Ticlopidine
3
2015
45
0.260
Why?
Myocardial Ischemia
3
2021
111
0.260
Why?
Blood Pressure Monitors
1
2005
3
0.250
Why?
Hypoxia, Brain
1
2005
10
0.250
Why?
Incidence
6
2021
1238
0.250
Why?
Patient Discharge
3
2017
492
0.250
Why?
Receptors, Purinergic P2Y12
2
2015
4
0.240
Why?
Platelet Function Tests
2
2015
10
0.240
Why?
Age Factors
10
2018
1504
0.240
Why?
Purinergic P2Y Receptor Antagonists
2
2015
13
0.240
Why?
Thrombectomy
1
2007
208
0.240
Why?
Atherectomy
1
2004
12
0.240
Why?
Length of Stay
6
2021
776
0.240
Why?
Echocardiography
4
2021
457
0.230
Why?
Heart Neoplasms
3
2012
31
0.230
Why?
Atherectomy, Coronary
1
2004
13
0.230
Why?
Platelet Aggregation Inhibitors
3
2015
211
0.230
Why?
Blood Platelets
2
2015
92
0.230
Why?
Hematoma
1
2004
68
0.220
Why?
Analgesics, Opioid
2
2019
483
0.220
Why?
Cardiomyopathy, Hypertrophic
2
2023
753
0.220
Why?
Point-of-Care Systems
2
2015
122
0.210
Why?
Hemorrhage
2
2015
260
0.210
Why?
Blood Pressure
1
2005
496
0.210
Why?
Vascular Calcification
2
2014
22
0.210
Why?
Heart Ventricles
2
2016
253
0.210
Why?
Severity of Illness Index
5
2020
1479
0.200
Why?
Aortic Aneurysm, Abdominal
1
2006
236
0.200
Why?
Opioid-Related Disorders
2
2019
456
0.190
Why?
Negative-Pressure Wound Therapy
1
2021
12
0.190
Why?
Mammary Arteries
1
2020
10
0.180
Why?
Ventricular Outflow Obstruction
1
2022
113
0.180
Why?
Endarterectomy
2
2012
18
0.180
Why?
Suture Techniques
2
2020
91
0.180
Why?
Health Facility Size
1
2020
16
0.170
Why?
Thoracic Surgery
1
2021
68
0.170
Why?
Hospital Bed Capacity
1
2020
25
0.170
Why?
Vancomycin
2
2018
36
0.170
Why?
Gene Expression Regulation
2
2017
1552
0.170
Why?
Forecasting
1
2021
221
0.170
Why?
Thoracotomy
1
2020
44
0.170
Why?
Tricuspid Valve Insufficiency
1
2020
18
0.170
Why?
Glucuronidase
1
2019
23
0.160
Why?
Pulsatile Flow
1
2019
9
0.160
Why?
Heart Atria
3
2017
135
0.160
Why?
Heart Valves
2
2017
23
0.160
Why?
Transplant Recipients
1
2019
31
0.160
Why?
Transforming Growth Factor beta1
1
2019
53
0.160
Why?
Thrombolytic Therapy
2
2018
184
0.160
Why?
Medical Staff, Hospital
1
2019
57
0.160
Why?
Wnt Signaling Pathway
1
2019
71
0.160
Why?
Contraindications
3
2015
46
0.160
Why?
Patient Selection
5
2014
465
0.150
Why?
Wound Infection
1
2018
26
0.150
Why?
Databases, Factual
5
2020
814
0.150
Why?
Postoperative Hemorrhage
1
2018
37
0.150
Why?
United States
6
2020
7426
0.140
Why?
Pain, Postoperative
1
2019
141
0.140
Why?
Myocardium
1
2019
264
0.140
Why?
Heart Arrest, Induced
2
2008
12
0.140
Why?
Hodgkin Disease
1
2017
55
0.140
Why?
Quantitative Trait Loci
1
2017
70
0.140
Why?
Sinus of Valsalva
1
2016
7
0.140
Why?
Radiation Injuries
1
2017
62
0.140
Why?
Registries
3
2016
799
0.130
Why?
Cohort Studies
7
2019
2375
0.130
Why?
Logistic Models
6
2018
1234
0.130
Why?
Cardiac Catheterization
2
2010
253
0.130
Why?
Wound Healing
1
2016
174
0.120
Why?
Aortic Aneurysm, Thoracic
1
2016
105
0.120
Why?
Alleles
1
2016
411
0.120
Why?
Quality of Health Care
1
2019
513
0.120
Why?
Ultrasonography
3
2012
458
0.120
Why?
Polymorphism, Single Nucleotide
1
2017
439
0.120
Why?
Genotype
1
2016
617
0.120
Why?
Shock, Cardiogenic
2
2005
85
0.110
Why?
Clinical Competence
1
2019
683
0.110
Why?
Tomography, X-Ray Computed
5
2015
1507
0.110
Why?
Young Adult
5
2020
4272
0.110
Why?
Prognosis
5
2018
1597
0.110
Why?
Quality of Life
2
2011
1137
0.110
Why?
Genetic Predisposition to Disease
1
2017
676
0.110
Why?
Survival Analysis
4
2018
554
0.100
Why?
Lupus Erythematosus, Discoid
1
2012
8
0.100
Why?
Mitral Valve Annuloplasty
1
2012
18
0.100
Why?
Surgical Wound Dehiscence
1
2012
14
0.100
Why?
Constriction
1
2012
8
0.100
Why?
Pulmonary Edema
1
2012
28
0.100
Why?
Coronary Circulation
1
2012
50
0.100
Why?
Heparin
2
2010
111
0.100
Why?
Predictive Value of Tests
4
2017
1027
0.100
Why?
Hemangiosarcoma
1
2012
23
0.100
Why?
Myxoma
1
2011
13
0.090
Why?
Perioperative Care
1
2012
76
0.090
Why?
Embolism, Paradoxical
1
2010
13
0.090
Why?
Comorbidity
3
2016
1078
0.090
Why?
Health Status Indicators
1
2010
93
0.090
Why?
Neoplasm Recurrence, Local
1
2012
300
0.080
Why?
Hemostatic Techniques
1
2009
11
0.080
Why?
Operative Time
2
2020
76
0.080
Why?
DNA, Mitochondrial
1
2010
76
0.080
Why?
Adolescent
5
2020
5838
0.080
Why?
Anticoagulants
2
2010
480
0.080
Why?
Survivors
1
2009
150
0.080
Why?
Hyperkalemia
1
2008
19
0.080
Why?
Breast Neoplasms
1
2017
1118
0.080
Why?
Recurrence
2
2012
602
0.080
Why?
Feasibility Studies
2
2008
526
0.080
Why?
Hospitalization
3
2020
1290
0.070
Why?
Risk
2
2020
364
0.070
Why?
DNA Replication
1
2010
228
0.070
Why?
Multivariate Analysis
3
2016
902
0.070
Why?
Stroke
3
2018
1127
0.070
Why?
Ultrasonography, Interventional
1
2008
92
0.070
Why?
Ischemic Attack, Transient
1
2008
90
0.070
Why?
Combined Modality Therapy
2
2021
354
0.070
Why?
Erythrocyte Transfusion
1
2007
72
0.070
Why?
Mitochondria
1
2010
343
0.070
Why?
Hypertension, Pulmonary
1
2007
92
0.060
Why?
Blood Transfusion
1
2007
150
0.060
Why?
Shock
1
2006
31
0.060
Why?
Anesthesia, General
1
2006
43
0.060
Why?
Academic Medical Centers
2
2019
308
0.060
Why?
Axillary Artery
1
2005
7
0.060
Why?
Aortography
1
2006
55
0.060
Why?
Thromboembolism
1
2006
69
0.060
Why?
Femoral Vein
1
2005
18
0.060
Why?
Body Surface Area
1
2005
11
0.060
Why?
Intraoperative Care
1
2005
36
0.060
Why?
Hypothermia, Induced
1
2005
40
0.060
Why?
Stroke Volume
1
2007
314
0.060
Why?
High-Throughput Nucleotide Sequencing
2
2017
263
0.060
Why?
Postoperative Care
1
2005
115
0.060
Why?
Pericardiocentesis
1
2004
4
0.060
Why?
Femoral Artery
1
2006
102
0.060
Why?
Radial Artery
1
2005
49
0.060
Why?
Coronary Restenosis
1
2004
19
0.060
Why?
Electroencephalography
1
2005
134
0.060
Why?
Cardiac Tamponade
1
2004
12
0.060
Why?
Graft Occlusion, Vascular
1
2004
62
0.060
Why?
Fatal Outcome
1
2004
116
0.060
Why?
Postoperative Period
2
2017
127
0.060
Why?
Foreign Bodies
1
2004
44
0.060
Why?
Emergencies
1
2004
110
0.060
Why?
Pacemaker, Artificial
1
2004
43
0.060
Why?
Cerebral Cortex
1
2005
248
0.060
Why?
Blood Vessel Prosthesis
1
2005
215
0.050
Why?
Odds Ratio
3
2012
746
0.050
Why?
Disease Progression
2
2018
1119
0.050
Why?
Heart Arrest
1
2005
161
0.050
Why?
Leukemia-Lymphoma, Adult T-Cell
1
2002
10
0.050
Why?
Bone Wires
1
2021
4
0.050
Why?
ROC Curve
2
2015
267
0.050
Why?
Bone Plates
1
2021
30
0.050
Why?
Acute Disease
2
2018
658
0.050
Why?
Internal Mammary-Coronary Artery Anastomosis
1
2020
4
0.040
Why?
Stents
1
2004
461
0.040
Why?
Transplantation, Homologous
1
2021
244
0.040
Why?
Surgical Flaps
1
2021
110
0.040
Why?
Dyspnea
2
2011
116
0.040
Why?
Aortic Rupture
1
2020
54
0.040
Why?
Thoracic Surgical Procedures
1
2020
33
0.040
Why?
Massachusetts
2
2019
2019
0.040
Why?
Hospital Costs
1
2020
119
0.040
Why?
Child
3
2022
4189
0.040
Why?
Tissue and Organ Procurement
1
2019
37
0.040
Why?
Morbidity
1
2019
113
0.040
Why?
Benchmarking
1
2020
135
0.040
Why?
Myocytes, Cardiac
1
2019
88
0.040
Why?
Fibrosis
1
2019
153
0.040
Why?
Seasons
1
2019
123
0.040
Why?
Hospitals, Teaching
1
2019
101
0.040
Why?
Risk Adjustment
1
2019
93
0.040
Why?
Hospitals
1
2021
378
0.040
Why?
Trachea
1
1998
91
0.040
Why?
Prospective Studies
2
2016
3067
0.040
Why?
Restraint, Physical
1
2018
33
0.040
Why?
Chi-Square Distribution
2
2010
409
0.040
Why?
Ventricular Dysfunction, Right
1
2018
47
0.040
Why?
NAV1.8 Voltage-Gated Sodium Channel
1
2017
3
0.040
Why?
Sex Factors
1
2020
935
0.040
Why?
Cyclic GMP
1
2017
28
0.030
Why?
Radiotherapy
1
2017
61
0.030
Why?
Monitoring, Intraoperative
2
2008
42
0.030
Why?
Ointments
1
2016
7
0.030
Why?
Genotyping Techniques
1
2016
14
0.030
Why?
Venous Thrombosis
1
2018
110
0.030
Why?
Administration, Topical
1
2016
47
0.030
Why?
Body Size
1
2016
23
0.030
Why?
Delivery of Health Care
1
2021
413
0.030
Why?
Dilatation, Pathologic
1
2016
29
0.030
Why?
Membrane Potentials
1
2017
137
0.030
Why?
Genetic Association Studies
1
2017
113
0.030
Why?
Education, Medical, Graduate
1
2019
317
0.030
Why?
Inpatients
1
2019
292
0.030
Why?
Muscle Proteins
1
2017
111
0.030
Why?
Patient Readmission
1
2020
421
0.030
Why?
Reference Values
1
2016
326
0.030
Why?
Kidney
1
2018
414
0.030
Why?
Sequence Analysis, RNA
1
2017
159
0.030
Why?
Tertiary Care Centers
1
2016
100
0.030
Why?
Chronic Disease
1
2019
717
0.030
Why?
Cardiovascular Agents
1
2016
98
0.030
Why?
Cells, Cultured
1
2019
2092
0.030
Why?
Area Under Curve
1
2015
141
0.030
Why?
Drug Resistance
1
2015
95
0.030
Why?
Biomarkers
1
2018
1307
0.030
Why?
Phenotype
1
2016
1137
0.030
Why?
Home Care Services
1
2013
97
0.030
Why?
Carrier Proteins
1
2017
697
0.020
Why?
Counterpulsation
1
2012
2
0.020
Why?
Disease-Free Survival
1
2012
228
0.020
Why?
Internship and Residency
1
2019
747
0.020
Why?
Pilot Projects
1
2015
914
0.020
Why?
Neoplasm Metastasis
1
2012
186
0.020
Why?
Scoliosis
1
2011
9
0.020
Why?
Tinnitus
1
2011
16
0.020
Why?
Alopecia
1
2011
25
0.020
Why?
Dipyridamole
1
2010
17
0.020
Why?
Elective Surgical Procedures
1
2011
112
0.020
Why?
Databases as Topic
1
2010
52
0.020
Why?
Neoplasm Staging
1
2012
448
0.020
Why?
Thrombocytopenia
1
2010
45
0.020
Why?
Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha
1
2010
30
0.020
Why?
Whole Blood Coagulation Time
1
2009
3
0.020
Why?
Secondary Prevention
1
2010
151
0.020
Why?
Heat-Shock Proteins
1
2010
65
0.020
Why?
Linear Models
1
2010
403
0.020
Why?
Aspirin
1
2010
167
0.020
Why?
Treatment Failure
1
2009
185
0.020
Why?
Down-Regulation
1
2010
306
0.020
Why?
Case-Control Studies
1
2012
1051
0.020
Why?
Surgical Instruments
1
2008
41
0.020
Why?
Mediastinum
1
2008
27
0.020
Why?
Dissection
1
2008
45
0.020
Why?
Walking
1
2010
228
0.020
Why?
Diastole
1
2008
89
0.020
Why?
Myocardial Revascularization
1
2008
71
0.020
Why?
Neoplasms
1
2018
1231
0.020
Why?
Dose-Response Relationship, Drug
1
2009
805
0.020
Why?
Coronary Stenosis
1
2008
30
0.020
Why?
Probability
1
2008
167
0.020
Why?
Animals
2
2016
19650
0.020
Why?
Signal Transduction
1
2017
2903
0.020
Why?
Coronary Artery Bypass, Off-Pump
1
2005
5
0.020
Why?
Confidence Intervals
1
2006
241
0.020
Why?
Myocardial Infarction
1
2012
861
0.020
Why?
Algorithms
1
2010
974
0.020
Why?
Angiography
1
2005
145
0.020
Why?
Reproducibility of Results
1
2009
1559
0.010
Why?
Anastomosis, Surgical
1
2005
107
0.010
Why?
Regression Analysis
1
2006
486
0.010
Why?
Sensitivity and Specificity
1
2008
1091
0.010
Why?
Mice
1
2016
10294
0.010
Why?
Transcription Factors
1
2010
1471
0.010
Why?
Tracheal Stenosis
1
1998
9
0.010
Why?
Bronchoscopy
1
1998
86
0.010
Why?
Shekar's Networks
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