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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
266
3.720
Why?
Heart Valve Prosthesis Implantation
24
2021
176
3.360
Why?
Heart Valve Diseases
12
2023
95
1.880
Why?
Aortic Valve
14
2021
190
1.690
Why?
Heart-Assist Devices
8
2019
144
1.460
Why?
Mitral Valve
10
2023
121
1.370
Why?
Postoperative Complications
19
2021
1309
1.310
Why?
Coronary Artery Bypass
14
2023
298
1.260
Why?
Mitral Valve Insufficiency
6
2021
88
1.040
Why?
Circulatory Arrest, Deep Hypothermia Induced
4
2014
6
1.010
Why?
Heart Valve Prosthesis
9
2021
113
0.930
Why?
Intraoperative Complications
4
2019
91
0.920
Why?
Aorta, Thoracic
4
2016
84
0.910
Why?
Cardiopulmonary Bypass
8
2014
57
0.830
Why?
Reoperation
12
2020
293
0.830
Why?
Aortic Valve Stenosis
7
2020
189
0.810
Why?
Vascular Surgical Procedures
3
2015
263
0.810
Why?
Hospital Mortality
12
2021
876
0.770
Why?
Retrospective Studies
48
2021
6659
0.750
Why?
Treatment Outcome
41
2023
5685
0.730
Why?
Heart Failure
6
2019
917
0.710
Why?
Sternum
6
2021
29
0.710
Why?
Aged
57
2021
14443
0.700
Why?
Prosthesis Failure
6
2021
77
0.680
Why?
Middle Aged
58
2021
17609
0.660
Why?
Bioprosthesis
6
2021
42
0.640
Why?
Prosthesis Design
10
2021
229
0.630
Why?
Risk Assessment
12
2021
2081
0.630
Why?
Aortic Valve Insufficiency
2
2012
43
0.630
Why?
Sternotomy
4
2021
12
0.620
Why?
Minimally Invasive Surgical Procedures
8
2020
129
0.610
Why?
Humans
91
2023
63467
0.610
Why?
Male
69
2021
29906
0.610
Why?
Intra-Aortic Balloon Pumping
3
2014
17
0.600
Why?
Female
71
2021
32889
0.590
Why?
Calcinosis
1
2019
85
0.590
Why?
Echocardiography, Transesophageal
8
2021
111
0.590
Why?
Pulmonary Embolism
5
2018
173
0.560
Why?
Aorta
4
2018
114
0.540
Why?
Aged, 80 and over
29
2021
5462
0.510
Why?
Aortic Diseases
3
2020
74
0.500
Why?
Blood Vessel Prosthesis Implantation
3
2020
318
0.490
Why?
Jehovah's Witnesses
1
2015
18
0.470
Why?
Adult
32
2022
16830
0.470
Why?
Ventricular Dysfunction, Left
2
2007
165
0.460
Why?
Heart, Artificial
1
2014
2
0.460
Why?
Cerebrovascular Circulation
2
2014
181
0.460
Why?
Coronary Artery Disease
4
2020
313
0.440
Why?
Perfusion
1
2014
72
0.440
Why?
Atherosclerosis
2
2014
153
0.440
Why?
Risk Factors
26
2021
5356
0.430
Why?
Extracorporeal Membrane Oxygenation
1
2014
62
0.420
Why?
Follow-Up Studies
16
2021
2462
0.420
Why?
Transcatheter Aortic Valve Replacement
4
2020
110
0.400
Why?
Proportional Hazards Models
12
2021
730
0.400
Why?
Embolectomy
4
2018
15
0.390
Why?
Survival Rate
8
2019
852
0.350
Why?
Acute Kidney Injury
4
2018
146
0.350
Why?
Heart
2
2022
283
0.340
Why?
Ventricular Function, Left
1
2012
269
0.340
Why?
Aortic Aneurysm
5
2020
87
0.330
Why?
Time Factors
16
2019
3771
0.320
Why?
Atrial Fibrillation
4
2022
834
0.320
Why?
Heart Diseases
2
2019
218
0.320
Why?
Boston
8
2018
252
0.310
Why?
Heart Transplantation
4
2019
170
0.300
Why?
Catheterization
2
2006
111
0.290
Why?
Surgical Wound Infection
2
2021
115
0.290
Why?
Lung Diseases, Interstitial
2
2020
140
0.280
Why?
Coronary Vessels
2
2008
119
0.280
Why?
Cardiovascular Diseases
1
2015
836
0.280
Why?
Hemoglobinopathies
1
2007
7
0.270
Why?
Hemoglobins, Abnormal
1
2007
6
0.270
Why?
Cardiac Valve Annuloplasty
2
2020
7
0.270
Why?
Renal Insufficiency, Chronic
2
2019
132
0.260
Why?
Angioplasty, Balloon, Coronary
2
2004
168
0.260
Why?
Propensity Score
5
2019
160
0.260
Why?
Kaplan-Meier Estimate
10
2018
422
0.250
Why?
Ticlopidine
3
2015
49
0.250
Why?
Myocardial Ischemia
3
2021
119
0.250
Why?
Blood Pressure Monitors
1
2005
3
0.240
Why?
Hypoxia, Brain
1
2005
10
0.240
Why?
Patient Discharge
3
2017
512
0.240
Why?
Platelet Function Tests
2
2015
11
0.240
Why?
Receptors, Purinergic P2Y12
2
2015
5
0.240
Why?
Purinergic P2Y Receptor Antagonists
2
2015
14
0.230
Why?
Age Factors
10
2018
1559
0.230
Why?
Incidence
6
2021
1377
0.230
Why?
Thrombectomy
1
2007
235
0.230
Why?
Atherectomy
1
2004
12
0.230
Why?
Length of Stay
6
2021
813
0.230
Why?
Atherectomy, Coronary
1
2004
12
0.230
Why?
Heart Neoplasms
3
2012
36
0.220
Why?
Echocardiography
4
2021
501
0.220
Why?
Platelet Aggregation Inhibitors
3
2015
226
0.220
Why?
Blood Platelets
2
2015
102
0.220
Why?
Hematoma
1
2004
81
0.210
Why?
Cardiomyopathy, Hypertrophic
2
2023
768
0.210
Why?
Analgesics, Opioid
2
2019
536
0.210
Why?
Point-of-Care Systems
2
2015
131
0.210
Why?
Hemorrhage
2
2015
267
0.200
Why?
Blood Pressure
1
2005
511
0.200
Why?
Vascular Calcification
2
2014
26
0.200
Why?
Heart Ventricles
2
2016
261
0.200
Why?
Severity of Illness Index
5
2020
1553
0.190
Why?
Aortic Aneurysm, Abdominal
1
2006
255
0.190
Why?
Negative-Pressure Wound Therapy
1
2021
12
0.180
Why?
Opioid-Related Disorders
2
2019
507
0.180
Why?
Mammary Arteries
1
2020
10
0.170
Why?
Ventricular Outflow Obstruction
1
2022
119
0.170
Why?
Endarterectomy
2
2012
18
0.170
Why?
Suture Techniques
2
2020
101
0.170
Why?
Health Facility Size
1
2020
16
0.170
Why?
Hospital Bed Capacity
1
2020
27
0.170
Why?
Thoracic Surgery
1
2021
77
0.170
Why?
Vancomycin
2
2018
39
0.160
Why?
Gene Expression Regulation
2
2017
1617
0.160
Why?
Forecasting
1
2021
232
0.160
Why?
Thoracotomy
1
2020
46
0.160
Why?
Tricuspid Valve Insufficiency
1
2020
20
0.160
Why?
Pulsatile Flow
1
2019
9
0.160
Why?
Glucuronidase
1
2019
24
0.160
Why?
Heart Atria
3
2017
137
0.160
Why?
Heart Valves
2
2017
26
0.160
Why?
Transplant Recipients
1
2019
35
0.160
Why?
Thrombolytic Therapy
2
2018
190
0.160
Why?
Transforming Growth Factor beta1
1
2019
60
0.160
Why?
Medical Staff, Hospital
1
2019
58
0.150
Why?
Contraindications
3
2015
52
0.150
Why?
Wnt Signaling Pathway
1
2019
81
0.150
Why?
Patient Selection
5
2014
490
0.150
Why?
Wound Infection
1
2018
28
0.140
Why?
Postoperative Hemorrhage
1
2018
40
0.140
Why?
Databases, Factual
5
2020
873
0.140
Why?
Myocardium
1
2019
279
0.140
Why?
United States
6
2020
7842
0.140
Why?
Heart Arrest, Induced
2
2008
13
0.140
Why?
Pain, Postoperative
1
2019
163
0.130
Why?
Hodgkin Disease
1
2017
55
0.130
Why?
Quantitative Trait Loci
1
2017
75
0.130
Why?
Sinus of Valsalva
1
2016
7
0.130
Why?
Radiation Injuries
1
2017
66
0.130
Why?
Cohort Studies
7
2019
2569
0.130
Why?
Logistic Models
6
2018
1277
0.130
Why?
Registries
3
2016
888
0.130
Why?
Cardiac Catheterization
2
2010
283
0.120
Why?
Wound Healing
1
2016
189
0.120
Why?
Aortic Aneurysm, Thoracic
1
2016
116
0.120
Why?
Alleles
1
2016
448
0.120
Why?
Quality of Health Care
1
2019
519
0.120
Why?
Ultrasonography
3
2012
484
0.110
Why?
Genotype
1
2016
665
0.110
Why?
Polymorphism, Single Nucleotide
1
2017
491
0.110
Why?
Clinical Competence
1
2019
727
0.110
Why?
Shock, Cardiogenic
2
2005
102
0.110
Why?
Prognosis
5
2018
1748
0.110
Why?
Young Adult
5
2020
4696
0.100
Why?
Tomography, X-Ray Computed
5
2015
1644
0.100
Why?
Quality of Life
2
2011
1228
0.100
Why?
Genetic Predisposition to Disease
1
2017
719
0.100
Why?
Survival Analysis
4
2018
583
0.100
Why?
Lupus Erythematosus, Discoid
1
2012
8
0.100
Why?
Mitral Valve Annuloplasty
1
2012
19
0.100
Why?
Surgical Wound Dehiscence
1
2012
16
0.100
Why?
Constriction
1
2012
9
0.100
Why?
Pulmonary Edema
1
2012
30
0.090
Why?
Coronary Circulation
1
2012
52
0.090
Why?
Heparin
2
2010
116
0.090
Why?
Hemangiosarcoma
1
2012
25
0.090
Why?
Predictive Value of Tests
4
2017
1094
0.090
Why?
Myxoma
1
2011
13
0.090
Why?
Perioperative Care
1
2012
85
0.090
Why?
Embolism, Paradoxical
1
2010
14
0.090
Why?
Comorbidity
3
2016
1123
0.080
Why?
Health Status Indicators
1
2010
93
0.080
Why?
Neoplasm Recurrence, Local
1
2012
345
0.080
Why?
Hemostatic Techniques
1
2009
11
0.080
Why?
Operative Time
2
2020
92
0.080
Why?
DNA, Mitochondrial
1
2010
87
0.080
Why?
Anticoagulants
2
2010
495
0.070
Why?
Adolescent
5
2020
6253
0.070
Why?
Hyperkalemia
1
2008
20
0.070
Why?
Survivors
1
2009
171
0.070
Why?
Recurrence
2
2012
641
0.070
Why?
Breast Neoplasms
1
2017
1198
0.070
Why?
Feasibility Studies
2
2008
569
0.070
Why?
Hospitalization
3
2020
1361
0.070
Why?
Risk
2
2020
377
0.070
Why?
DNA Replication
1
2010
235
0.070
Why?
Multivariate Analysis
3
2016
937
0.070
Why?
Stroke
3
2018
1196
0.070
Why?
Ischemic Attack, Transient
1
2008
96
0.070
Why?
Combined Modality Therapy
2
2021
373
0.070
Why?
Ultrasonography, Interventional
1
2008
107
0.060
Why?
Erythrocyte Transfusion
1
2007
74
0.060
Why?
Mitochondria
1
2010
371
0.060
Why?
Hypertension, Pulmonary
1
2007
95
0.060
Why?
Blood Transfusion
1
2007
161
0.060
Why?
Shock
1
2006
33
0.060
Why?
Academic Medical Centers
2
2019
317
0.060
Why?
Anesthesia, General
1
2006
46
0.060
Why?
Axillary Artery
1
2005
8
0.060
Why?
Aortography
1
2006
62
0.060
Why?
Body Surface Area
1
2005
11
0.060
Why?
Femoral Vein
1
2005
19
0.060
Why?
Thromboembolism
1
2006
73
0.060
Why?
Intraoperative Care
1
2005
38
0.060
Why?
Hypothermia, Induced
1
2005
40
0.060
Why?
Stroke Volume
1
2007
330
0.060
Why?
Postoperative Care
1
2005
123
0.060
Why?
Pericardiocentesis
1
2004
4
0.060
Why?
High-Throughput Nucleotide Sequencing
2
2017
313
0.060
Why?
Radial Artery
1
2005
53
0.060
Why?
Femoral Artery
1
2006
110
0.060
Why?
Coronary Restenosis
1
2004
20
0.060
Why?
Electroencephalography
1
2005
149
0.060
Why?
Cardiac Tamponade
1
2004
15
0.060
Why?
Graft Occlusion, Vascular
1
2004
62
0.060
Why?
Postoperative Period
2
2017
138
0.050
Why?
Fatal Outcome
1
2004
124
0.050
Why?
Emergencies
1
2004
121
0.050
Why?
Foreign Bodies
1
2004
55
0.050
Why?
Pacemaker, Artificial
1
2004
49
0.050
Why?
Cerebral Cortex
1
2005
262
0.050
Why?
Blood Vessel Prosthesis
1
2005
225
0.050
Why?
Odds Ratio
3
2012
768
0.050
Why?
Disease Progression
2
2018
1172
0.050
Why?
Heart Arrest
1
2005
171
0.050
Why?
Leukemia-Lymphoma, Adult T-Cell
1
2002
10
0.050
Why?
Bone Wires
1
2021
5
0.050
Why?
ROC Curve
2
2015
282
0.050
Why?
Bone Plates
1
2021
37
0.050
Why?
Acute Disease
2
2018
672
0.040
Why?
Internal Mammary-Coronary Artery Anastomosis
1
2020
4
0.040
Why?
Stents
1
2004
503
0.040
Why?
Transplantation, Homologous
1
2021
245
0.040
Why?
Surgical Flaps
1
2021
118
0.040
Why?
Dyspnea
2
2011
124
0.040
Why?
Aortic Rupture
1
2020
55
0.040
Why?
Thoracic Surgical Procedures
1
2020
40
0.040
Why?
Massachusetts
2
2019
2075
0.040
Why?
Hospital Costs
1
2020
126
0.040
Why?
Benchmarking
1
2020
136
0.040
Why?
Morbidity
1
2019
113
0.040
Why?
Tissue and Organ Procurement
1
2019
43
0.040
Why?
Myocytes, Cardiac
1
2019
99
0.040
Why?
Fibrosis
1
2019
161
0.040
Why?
Child
3
2022
4534
0.040
Why?
Risk Adjustment
1
2019
94
0.040
Why?
Hospitals, Teaching
1
2019
106
0.040
Why?
Seasons
1
2019
134
0.040
Why?
Hospitals
1
2021
393
0.040
Why?
Trachea
1
1998
85
0.040
Why?
Prospective Studies
2
2016
3294
0.040
Why?
Restraint, Physical
1
2018
40
0.030
Why?
Chi-Square Distribution
2
2010
418
0.030
Why?
Ventricular Dysfunction, Right
1
2018
49
0.030
Why?
NAV1.8 Voltage-Gated Sodium Channel
1
2017
3
0.030
Why?
Sex Factors
1
2020
980
0.030
Why?
Cyclic GMP
1
2017
31
0.030
Why?
Radiotherapy
1
2017
64
0.030
Why?
Ointments
1
2016
7
0.030
Why?
Monitoring, Intraoperative
2
2008
46
0.030
Why?
Venous Thrombosis
1
2018
115
0.030
Why?
Administration, Topical
1
2016
51
0.030
Why?
Body Size
1
2016
24
0.030
Why?
Dilatation, Pathologic
1
2016
31
0.030
Why?
Genotyping Techniques
1
2016
21
0.030
Why?
Membrane Potentials
1
2017
141
0.030
Why?
Delivery of Health Care
1
2021
435
0.030
Why?
Genetic Association Studies
1
2017
120
0.030
Why?
Inpatients
1
2019
304
0.030
Why?
Muscle Proteins
1
2017
117
0.030
Why?
Patient Readmission
1
2020
430
0.030
Why?
Education, Medical, Graduate
1
2019
351
0.030
Why?
Reference Values
1
2016
336
0.030
Why?
Kidney
1
2018
449
0.030
Why?
Tertiary Care Centers
1
2016
107
0.030
Why?
Sequence Analysis, RNA
1
2017
174
0.030
Why?
Chronic Disease
1
2019
753
0.030
Why?
Cardiovascular Agents
1
2016
104
0.030
Why?
Cells, Cultured
1
2019
2157
0.030
Why?
Area Under Curve
1
2015
147
0.030
Why?
Drug Resistance
1
2015
151
0.030
Why?
Biomarkers
1
2018
1408
0.020
Why?
Home Care Services
1
2013
98
0.020
Why?
Phenotype
1
2016
1207
0.020
Why?
Carrier Proteins
1
2017
707
0.020
Why?
Counterpulsation
1
2012
2
0.020
Why?
Disease-Free Survival
1
2012
242
0.020
Why?
Internship and Residency
1
2019
807
0.020
Why?
Neoplasm Metastasis
1
2012
200
0.020
Why?
Pilot Projects
1
2015
1008
0.020
Why?
Scoliosis
1
2011
10
0.020
Why?
Tinnitus
1
2011
19
0.020
Why?
Alopecia
1
2011
27
0.020
Why?
Dipyridamole
1
2010
17
0.020
Why?
Elective Surgical Procedures
1
2011
123
0.020
Why?
Databases as Topic
1
2010
55
0.020
Why?
Neoplasm Staging
1
2012
509
0.020
Why?
Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha
1
2010
34
0.020
Why?
Thrombocytopenia
1
2010
54
0.020
Why?
Whole Blood Coagulation Time
1
2009
3
0.020
Why?
Heat-Shock Proteins
1
2010
64
0.020
Why?
Secondary Prevention
1
2010
164
0.020
Why?
Linear Models
1
2010
410
0.020
Why?
Aspirin
1
2010
171
0.020
Why?
Treatment Failure
1
2009
201
0.020
Why?
Down-Regulation
1
2010
319
0.020
Why?
Surgical Instruments
1
2008
43
0.020
Why?
Case-Control Studies
1
2012
1121
0.020
Why?
Mediastinum
1
2008
29
0.020
Why?
Dissection
1
2008
48
0.020
Why?
Diastole
1
2008
91
0.020
Why?
Walking
1
2010
238
0.020
Why?
Myocardial Revascularization
1
2008
76
0.020
Why?
Dose-Response Relationship, Drug
1
2009
863
0.020
Why?
Probability
1
2008
170
0.020
Why?
Coronary Stenosis
1
2008
39
0.020
Why?
Neoplasms
1
2018
1364
0.020
Why?
Animals
2
2016
20664
0.020
Why?
Signal Transduction
1
2017
3036
0.020
Why?
Coronary Artery Bypass, Off-Pump
1
2005
5
0.020
Why?
Confidence Intervals
1
2006
240
0.010
Why?
Algorithms
1
2010
1003
0.010
Why?
Angiography
1
2005
153
0.010
Why?
Anastomosis, Surgical
1
2005
114
0.010
Why?
Myocardial Infarction
1
2012
916
0.010
Why?
Regression Analysis
1
2006
498
0.010
Why?
Reproducibility of Results
1
2009
1654
0.010
Why?
Sensitivity and Specificity
1
2008
1148
0.010
Why?
Mice
1
2016
10844
0.010
Why?
Transcription Factors
1
2010
1513
0.010
Why?
Tracheal Stenosis
1
1998
9
0.010
Why?
Bronchoscopy
1
1998
90
0.010
Why?
Shekar's Networks
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