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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
265
3.770
Why?
Heart Valve Prosthesis Implantation
24
2021
171
3.420
Why?
Heart Valve Diseases
12
2023
93
1.910
Why?
Aortic Valve
14
2021
190
1.720
Why?
Heart-Assist Devices
8
2019
142
1.480
Why?
Mitral Valve
10
2023
118
1.400
Why?
Postoperative Complications
19
2021
1292
1.330
Why?
Coronary Artery Bypass
14
2023
297
1.280
Why?
Mitral Valve Insufficiency
6
2021
85
1.060
Why?
Circulatory Arrest, Deep Hypothermia Induced
4
2014
6
1.030
Why?
Heart Valve Prosthesis
9
2021
111
0.940
Why?
Intraoperative Complications
4
2019
90
0.940
Why?
Aorta, Thoracic
4
2016
82
0.920
Why?
Cardiopulmonary Bypass
8
2014
56
0.850
Why?
Reoperation
12
2020
290
0.840
Why?
Vascular Surgical Procedures
3
2015
258
0.830
Why?
Aortic Valve Stenosis
7
2020
188
0.820
Why?
Hospital Mortality
12
2021
867
0.780
Why?
Retrospective Studies
48
2021
6565
0.760
Why?
Treatment Outcome
41
2023
5608
0.740
Why?
Heart Failure
6
2019
904
0.730
Why?
Sternum
6
2021
29
0.720
Why?
Aged
57
2021
14286
0.710
Why?
Prosthesis Failure
6
2021
73
0.690
Why?
Middle Aged
58
2021
17408
0.670
Why?
Bioprosthesis
6
2021
42
0.650
Why?
Prosthesis Design
10
2021
223
0.640
Why?
Risk Assessment
12
2021
2054
0.640
Why?
Aortic Valve Insufficiency
2
2012
42
0.640
Why?
Sternotomy
4
2021
12
0.640
Why?
Minimally Invasive Surgical Procedures
8
2020
122
0.620
Why?
Humans
91
2023
62947
0.620
Why?
Male
69
2021
29603
0.620
Why?
Intra-Aortic Balloon Pumping
3
2014
17
0.610
Why?
Female
71
2021
32597
0.600
Why?
Calcinosis
1
2019
83
0.600
Why?
Echocardiography, Transesophageal
8
2021
109
0.600
Why?
Pulmonary Embolism
5
2018
171
0.570
Why?
Aorta
4
2018
113
0.550
Why?
Aged, 80 and over
29
2021
5418
0.520
Why?
Aortic Diseases
3
2020
74
0.510
Why?
Blood Vessel Prosthesis Implantation
3
2020
308
0.500
Why?
Jehovah's Witnesses
1
2015
18
0.480
Why?
Adult
32
2022
16669
0.470
Why?
Ventricular Dysfunction, Left
2
2007
165
0.470
Why?
Heart, Artificial
1
2014
2
0.470
Why?
Cerebrovascular Circulation
2
2014
178
0.470
Why?
Coronary Artery Disease
4
2020
309
0.450
Why?
Perfusion
1
2014
73
0.440
Why?
Atherosclerosis
2
2014
152
0.440
Why?
Risk Factors
26
2021
5313
0.440
Why?
Extracorporeal Membrane Oxygenation
1
2014
62
0.420
Why?
Follow-Up Studies
16
2021
2448
0.420
Why?
Transcatheter Aortic Valve Replacement
4
2020
109
0.400
Why?
Proportional Hazards Models
12
2021
729
0.400
Why?
Embolectomy
4
2018
15
0.400
Why?
Survival Rate
8
2019
845
0.360
Why?
Acute Kidney Injury
4
2018
143
0.350
Why?
Heart
2
2022
282
0.340
Why?
Ventricular Function, Left
1
2012
269
0.340
Why?
Aortic Aneurysm
5
2020
87
0.340
Why?
Time Factors
16
2019
3752
0.330
Why?
Heart Diseases
2
2019
216
0.320
Why?
Atrial Fibrillation
4
2022
837
0.320
Why?
Boston
8
2018
251
0.320
Why?
Heart Transplantation
4
2019
169
0.300
Why?
Catheterization
2
2006
111
0.300
Why?
Surgical Wound Infection
2
2021
114
0.290
Why?
Lung Diseases, Interstitial
2
2020
139
0.290
Why?
Coronary Vessels
2
2008
119
0.290
Why?
Cardiovascular Diseases
1
2015
834
0.280
Why?
Hemoglobinopathies
1
2007
7
0.280
Why?
Hemoglobins, Abnormal
1
2007
6
0.280
Why?
Cardiac Valve Annuloplasty
2
2020
7
0.270
Why?
Renal Insufficiency, Chronic
2
2019
128
0.270
Why?
Angioplasty, Balloon, Coronary
2
2004
168
0.270
Why?
Propensity Score
5
2019
154
0.270
Why?
Kaplan-Meier Estimate
10
2018
419
0.260
Why?
Ticlopidine
3
2015
48
0.250
Why?
Myocardial Ischemia
3
2021
118
0.250
Why?
Blood Pressure Monitors
1
2005
3
0.250
Why?
Hypoxia, Brain
1
2005
10
0.250
Why?
Patient Discharge
3
2017
506
0.240
Why?
Receptors, Purinergic P2Y12
2
2015
4
0.240
Why?
Platelet Function Tests
2
2015
11
0.240
Why?
Purinergic P2Y Receptor Antagonists
2
2015
13
0.240
Why?
Age Factors
10
2018
1558
0.240
Why?
Incidence
6
2021
1375
0.240
Why?
Thrombectomy
1
2007
227
0.230
Why?
Atherectomy
1
2004
12
0.230
Why?
Length of Stay
6
2021
806
0.230
Why?
Atherectomy, Coronary
1
2004
12
0.230
Why?
Heart Neoplasms
3
2012
36
0.230
Why?
Echocardiography
4
2021
500
0.220
Why?
Platelet Aggregation Inhibitors
3
2015
225
0.220
Why?
Blood Platelets
2
2015
101
0.220
Why?
Hematoma
1
2004
79
0.220
Why?
Cardiomyopathy, Hypertrophic
2
2023
765
0.210
Why?
Analgesics, Opioid
2
2019
533
0.210
Why?
Point-of-Care Systems
2
2015
131
0.210
Why?
Hemorrhage
2
2015
267
0.210
Why?
Vascular Calcification
2
2014
25
0.200
Why?
Blood Pressure
1
2005
509
0.200
Why?
Heart Ventricles
2
2016
264
0.200
Why?
Severity of Illness Index
5
2020
1541
0.200
Why?
Aortic Aneurysm, Abdominal
1
2006
244
0.190
Why?
Negative-Pressure Wound Therapy
1
2021
12
0.190
Why?
Opioid-Related Disorders
2
2019
491
0.190
Why?
Mammary Arteries
1
2020
10
0.170
Why?
Ventricular Outflow Obstruction
1
2022
117
0.170
Why?
Endarterectomy
2
2012
18
0.170
Why?
Suture Techniques
2
2020
99
0.170
Why?
Health Facility Size
1
2020
16
0.170
Why?
Hospital Bed Capacity
1
2020
26
0.170
Why?
Thoracic Surgery
1
2021
70
0.170
Why?
Vancomycin
2
2018
39
0.170
Why?
Forecasting
1
2021
231
0.160
Why?
Gene Expression Regulation
2
2017
1617
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
138
0.160
Why?
Heart Valves
2
2017
25
0.160
Why?
Transplant Recipients
1
2019
34
0.160
Why?
Transforming Growth Factor beta1
1
2019
60
0.160
Why?
Thrombolytic Therapy
2
2018
190
0.160
Why?
Medical Staff, Hospital
1
2019
57
0.160
Why?
Contraindications
3
2015
50
0.150
Why?
Wnt Signaling Pathway
1
2019
81
0.150
Why?
Patient Selection
5
2014
482
0.150
Why?
Wound Infection
1
2018
28
0.150
Why?
Postoperative Hemorrhage
1
2018
38
0.140
Why?
Databases, Factual
5
2020
855
0.140
Why?
Myocardium
1
2019
274
0.140
Why?
United States
6
2020
7760
0.140
Why?
Heart Arrest, Induced
2
2008
13
0.140
Why?
Pain, Postoperative
1
2019
161
0.140
Why?
Hodgkin Disease
1
2017
56
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
65
0.130
Why?
Cohort Studies
7
2019
2553
0.130
Why?
Logistic Models
6
2018
1273
0.130
Why?
Registries
3
2016
879
0.130
Why?
Cardiac Catheterization
2
2010
281
0.120
Why?
Wound Healing
1
2016
189
0.120
Why?
Aortic Aneurysm, Thoracic
1
2016
111
0.120
Why?
Alleles
1
2016
448
0.120
Why?
Quality of Health Care
1
2019
518
0.120
Why?
Ultrasonography
3
2012
479
0.120
Why?
Genotype
1
2016
664
0.110
Why?
Polymorphism, Single Nucleotide
1
2017
490
0.110
Why?
Clinical Competence
1
2019
716
0.110
Why?
Shock, Cardiogenic
2
2005
99
0.110
Why?
Tomography, X-Ray Computed
5
2015
1594
0.110
Why?
Prognosis
5
2018
1733
0.110
Why?
Young Adult
5
2020
4651
0.110
Why?
Quality of Life
2
2011
1217
0.100
Why?
Genetic Predisposition to Disease
1
2017
715
0.100
Why?
Survival Analysis
4
2018
579
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
0.100
Why?
Coronary Circulation
1
2012
51
0.100
Why?
Heparin
2
2010
116
0.090
Why?
Hemangiosarcoma
1
2012
25
0.090
Why?
Predictive Value of Tests
4
2017
1081
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
1119
0.090
Why?
Health Status Indicators
1
2010
93
0.080
Why?
Neoplasm Recurrence, Local
1
2012
337
0.080
Why?
Hemostatic Techniques
1
2009
11
0.080
Why?
Operative Time
2
2020
91
0.080
Why?
DNA, Mitochondrial
1
2010
87
0.080
Why?
Anticoagulants
2
2010
495
0.080
Why?
Adolescent
5
2020
6197
0.080
Why?
Hyperkalemia
1
2008
20
0.080
Why?
Survivors
1
2009
170
0.070
Why?
Recurrence
2
2012
638
0.070
Why?
Feasibility Studies
2
2008
562
0.070
Why?
Breast Neoplasms
1
2017
1195
0.070
Why?
Hospitalization
3
2020
1348
0.070
Why?
Risk
2
2020
377
0.070
Why?
DNA Replication
1
2010
234
0.070
Why?
Multivariate Analysis
3
2016
934
0.070
Why?
Stroke
3
2018
1190
0.070
Why?
Ischemic Attack, Transient
1
2008
96
0.070
Why?
Ultrasonography, Interventional
1
2008
103
0.070
Why?
Combined Modality Therapy
2
2021
371
0.070
Why?
Erythrocyte Transfusion
1
2007
74
0.070
Why?
Mitochondria
1
2010
370
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?
Anesthesia, General
1
2006
45
0.060
Why?
Academic Medical Centers
2
2019
316
0.060
Why?
Axillary Artery
1
2005
8
0.060
Why?
Aortography
1
2006
59
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
331
0.060
Why?
Postoperative Care
1
2005
122
0.060
Why?
Pericardiocentesis
1
2004
4
0.060
Why?
High-Throughput Nucleotide Sequencing
2
2017
312
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
147
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
0.060
Why?
Fatal Outcome
1
2004
124
0.060
Why?
Foreign Bodies
1
2004
48
0.060
Why?
Emergencies
1
2004
115
0.050
Why?
Pacemaker, Artificial
1
2004
49
0.050
Why?
Cerebral Cortex
1
2005
259
0.050
Why?
Blood Vessel Prosthesis
1
2005
222
0.050
Why?
Odds Ratio
3
2012
768
0.050
Why?
Disease Progression
2
2018
1160
0.050
Why?
Heart Arrest
1
2005
168
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
280
0.050
Why?
Bone Plates
1
2021
31
0.050
Why?
Acute Disease
2
2018
671
0.050
Why?
Internal Mammary-Coronary Artery Anastomosis
1
2020
4
0.040
Why?
Stents
1
2004
487
0.040
Why?
Transplantation, Homologous
1
2021
243
0.040
Why?
Surgical Flaps
1
2021
117
0.040
Why?
Dyspnea
2
2011
122
0.040
Why?
Aortic Rupture
1
2020
54
0.040
Why?
Thoracic Surgical Procedures
1
2020
35
0.040
Why?
Massachusetts
2
2019
2062
0.040
Why?
Hospital Costs
1
2020
126
0.040
Why?
Benchmarking
1
2020
135
0.040
Why?
Morbidity
1
2019
113
0.040
Why?
Tissue and Organ Procurement
1
2019
43
0.040
Why?
Myocytes, Cardiac
1
2019
96
0.040
Why?
Fibrosis
1
2019
159
0.040
Why?
Child
3
2022
4488
0.040
Why?
Risk Adjustment
1
2019
94
0.040
Why?
Hospitals, Teaching
1
2019
104
0.040
Why?
Seasons
1
2019
134
0.040
Why?
Hospitals
1
2021
393
0.040
Why?
Trachea
1
1998
84
0.040
Why?
Prospective Studies
2
2016
3262
0.040
Why?
Restraint, Physical
1
2018
40
0.040
Why?
Chi-Square Distribution
2
2010
416
0.040
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
977
0.030
Why?
Cyclic GMP
1
2017
30
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
114
0.030
Why?
Administration, Topical
1
2016
52
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
432
0.030
Why?
Genetic Association Studies
1
2017
120
0.030
Why?
Inpatients
1
2019
301
0.030
Why?
Muscle Proteins
1
2017
117
0.030
Why?
Patient Readmission
1
2020
429
0.030
Why?
Education, Medical, Graduate
1
2019
344
0.030
Why?
Reference Values
1
2016
335
0.030
Why?
Kidney
1
2018
444
0.030
Why?
Tertiary Care Centers
1
2016
108
0.030
Why?
Sequence Analysis, RNA
1
2017
173
0.030
Why?
Chronic Disease
1
2019
751
0.030
Why?
Cardiovascular Agents
1
2016
103
0.030
Why?
Cells, Cultured
1
2019
2158
0.030
Why?
Area Under Curve
1
2015
146
0.030
Why?
Drug Resistance
1
2015
152
0.030
Why?
Biomarkers
1
2018
1388
0.030
Why?
Home Care Services
1
2013
98
0.020
Why?
Phenotype
1
2016
1195
0.020
Why?
Carrier Proteins
1
2017
706
0.020
Why?
Counterpulsation
1
2012
2
0.020
Why?
Disease-Free Survival
1
2012
242
0.020
Why?
Internship and Residency
1
2019
793
0.020
Why?
Neoplasm Metastasis
1
2012
201
0.020
Why?
Pilot Projects
1
2015
990
0.020
Why?
Scoliosis
1
2011
9
0.020
Why?
Tinnitus
1
2011
19
0.020
Why?
Alopecia
1
2011
25
0.020
Why?
Dipyridamole
1
2010
17
0.020
Why?
Elective Surgical Procedures
1
2011
117
0.020
Why?
Databases as Topic
1
2010
53
0.020
Why?
Neoplasm Staging
1
2012
490
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
163
0.020
Why?
Linear Models
1
2010
408
0.020
Why?
Aspirin
1
2010
171
0.020
Why?
Treatment Failure
1
2009
199
0.020
Why?
Down-Regulation
1
2010
319
0.020
Why?
Surgical Instruments
1
2008
43
0.020
Why?
Case-Control Studies
1
2012
1115
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
75
0.020
Why?
Dose-Response Relationship, Drug
1
2009
864
0.020
Why?
Probability
1
2008
170
0.020
Why?
Coronary Stenosis
1
2008
39
0.020
Why?
Neoplasms
1
2018
1350
0.020
Why?
Animals
2
2016
20649
0.020
Why?
Signal Transduction
1
2017
3028
0.020
Why?
Coronary Artery Bypass, Off-Pump
1
2005
5
0.020
Why?
Confidence Intervals
1
2006
241
0.020
Why?
Algorithms
1
2010
1003
0.010
Why?
Angiography
1
2005
151
0.010
Why?
Anastomosis, Surgical
1
2005
112
0.010
Why?
Regression Analysis
1
2006
496
0.010
Why?
Myocardial Infarction
1
2012
912
0.010
Why?
Reproducibility of Results
1
2009
1639
0.010
Why?
Sensitivity and Specificity
1
2008
1141
0.010
Why?
Mice
1
2016
10833
0.010
Why?
Transcription Factors
1
2010
1512
0.010
Why?
Tracheal Stenosis
1
1998
9
0.010
Why?
Bronchoscopy
1
1998
87
0.010
Why?
Shekar's Networks
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