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Prem Shekar

Concepts (334)

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
271
3.570
Why?
Heart Valve Prosthesis Implantation
24
2021
171
3.250
Why?
Heart Valve Diseases
12
2023
93
1.810
Why?
Aortic Valve
14
2021
181
1.650
Why?
Heart-Assist Devices
8
2019
158
1.380
Why?
Mitral Valve
10
2023
126
1.310
Why?
Postoperative Complications
19
2021
1333
1.230
Why?
Coronary Artery Bypass
14
2023
292
1.220
Why?
Mitral Valve Insufficiency
6
2021
98
0.980
Why?
Circulatory Arrest, Deep Hypothermia Induced
4
2014
5
0.970
Why?
Heart Valve Prosthesis
9
2021
106
0.900
Why?
Intraoperative Complications
4
2019
88
0.890
Why?
Aorta, Thoracic
4
2016
80
0.870
Why?
Cardiopulmonary Bypass
8
2014
58
0.800
Why?
Vascular Surgical Procedures
3
2015
240
0.790
Why?
Reoperation
12
2020
307
0.790
Why?
Aortic Valve Stenosis
7
2020
190
0.780
Why?
Hospital Mortality
12
2021
879
0.740
Why?
Retrospective Studies
48
2021
6934
0.710
Why?
Treatment Outcome
41
2023
5808
0.700
Why?
Sternum
6
2021
29
0.680
Why?
Heart Failure
6
2019
962
0.680
Why?
Aged
57
2021
15041
0.660
Why?
Prosthesis Failure
6
2021
78
0.650
Why?
Middle Aged
58
2021
18357
0.620
Why?
Bioprosthesis
6
2021
38
0.620
Why?
Prosthesis Design
10
2021
221
0.610
Why?
Risk Assessment
12
2021
2107
0.610
Why?
Aortic Valve Insufficiency
2
2012
42
0.600
Why?
Sternotomy
4
2021
12
0.600
Why?
Minimally Invasive Surgical Procedures
8
2020
128
0.580
Why?
Humans
91
2023
65385
0.580
Why?
Intra-Aortic Balloon Pumping
3
2014
19
0.570
Why?
Male
69
2021
31147
0.570
Why?
Calcinosis
1
2019
84
0.560
Why?
Female
71
2021
34146
0.560
Why?
Echocardiography, Transesophageal
8
2021
117
0.550
Why?
Pulmonary Embolism
5
2018
196
0.520
Why?
Aorta
4
2018
108
0.520
Why?
Blood Vessel Prosthesis Implantation
3
2020
277
0.490
Why?
Aortic Diseases
3
2020
65
0.490
Why?
Aged, 80 and over
29
2021
5646
0.480
Why?
Jehovah's Witnesses
1
2015
19
0.450
Why?
Ventricular Dysfunction, Left
2
2007
169
0.440
Why?
Heart, Artificial
1
2014
2
0.440
Why?
Cerebrovascular Circulation
2
2014
183
0.440
Why?
Adult
32
2022
17435
0.440
Why?
Coronary Artery Disease
4
2020
326
0.420
Why?
Perfusion
1
2014
75
0.420
Why?
Atherosclerosis
2
2014
161
0.410
Why?
Risk Factors
26
2021
5457
0.410
Why?
Follow-Up Studies
16
2021
2494
0.400
Why?
Extracorporeal Membrane Oxygenation
1
2014
66
0.400
Why?
Transcatheter Aortic Valve Replacement
4
2020
110
0.380
Why?
Proportional Hazards Models
12
2021
742
0.380
Why?
Embolectomy
4
2018
15
0.370
Why?
Survival Rate
8
2019
847
0.340
Why?
Acute Kidney Injury
4
2018
142
0.340
Why?
Heart
2
2022
298
0.320
Why?
Aortic Aneurysm
5
2020
81
0.320
Why?
Ventricular Function, Left
1
2012
284
0.320
Why?
Time Factors
16
2019
3771
0.310
Why?
Heart Diseases
2
2019
223
0.310
Why?
Boston
8
2018
260
0.300
Why?
Atrial Fibrillation
4
2022
884
0.300
Why?
Heart Transplantation
4
2019
180
0.280
Why?
Catheterization
2
2006
111
0.280
Why?
Surgical Wound Infection
2
2021
126
0.270
Why?
Lung Diseases, Interstitial
2
2020
145
0.270
Why?
Coronary Vessels
2
2008
125
0.270
Why?
Hemoglobinopathies
1
2007
7
0.260
Why?
Hemoglobins, Abnormal
1
2007
6
0.260
Why?
Cardiovascular Diseases
1
2015
870
0.260
Why?
Cardiac Valve Annuloplasty
2
2020
6
0.260
Why?
Angioplasty, Balloon, Coronary
2
2004
170
0.250
Why?
Renal Insufficiency, Chronic
2
2019
146
0.250
Why?
Propensity Score
5
2019
191
0.250
Why?
Kaplan-Meier Estimate
10
2018
414
0.240
Why?
Ticlopidine
3
2015
47
0.240
Why?
Myocardial Ischemia
3
2021
121
0.240
Why?
Blood Pressure Monitors
1
2005
4
0.230
Why?
Hypoxia, Brain
1
2005
10
0.230
Why?
Patient Discharge
3
2017
518
0.230
Why?
Platelet Function Tests
2
2015
11
0.230
Why?
Receptors, Purinergic P2Y12
2
2015
7
0.220
Why?
Purinergic P2Y Receptor Antagonists
2
2015
15
0.220
Why?
Age Factors
10
2018
1591
0.220
Why?
Incidence
6
2021
1427
0.220
Why?
Atherectomy
1
2004
8
0.220
Why?
Length of Stay
6
2021
825
0.220
Why?
Thrombectomy
1
2007
262
0.220
Why?
Atherectomy, Coronary
1
2004
12
0.220
Why?
Heart Neoplasms
3
2012
36
0.220
Why?
Echocardiography
4
2021
513
0.210
Why?
Platelet Aggregation Inhibitors
3
2015
235
0.210
Why?
Blood Platelets
2
2015
108
0.210
Why?
Hematoma
1
2004
85
0.200
Why?
Analgesics, Opioid
2
2019
528
0.200
Why?
Cardiomyopathy, Hypertrophic
2
2023
801
0.200
Why?
Point-of-Care Systems
2
2015
137
0.200
Why?
Hemorrhage
2
2015
286
0.190
Why?
Vascular Calcification
2
2014
27
0.190
Why?
Heart Ventricles
2
2016
267
0.190
Why?
Blood Pressure
1
2005
535
0.190
Why?
Aortic Aneurysm, Abdominal
1
2006
228
0.190
Why?
Severity of Illness Index
5
2020
1563
0.190
Why?
Negative-Pressure Wound Therapy
1
2021
12
0.180
Why?
Opioid-Related Disorders
2
2019
528
0.170
Why?
Ventricular Outflow Obstruction
1
2022
118
0.170
Why?
Mammary Arteries
1
2020
11
0.160
Why?
Suture Techniques
2
2020
97
0.160
Why?
Endarterectomy
2
2012
16
0.160
Why?
Health Facility Size
1
2020
16
0.160
Why?
Hospital Bed Capacity
1
2020
27
0.160
Why?
Thoracic Surgery
1
2021
80
0.160
Why?
Vancomycin
2
2018
40
0.160
Why?
Gene Expression Regulation
2
2017
1630
0.160
Why?
Forecasting
1
2021
230
0.150
Why?
Thoracotomy
1
2020
47
0.150
Why?
Tricuspid Valve Insufficiency
1
2020
23
0.150
Why?
Pulsatile Flow
1
2019
10
0.150
Why?
Glucuronidase
1
2019
25
0.150
Why?
Heart Atria
3
2017
137
0.150
Why?
Transplant Recipients
1
2019
32
0.150
Why?
Heart Valves
2
2017
26
0.150
Why?
Transforming Growth Factor beta1
1
2019
61
0.150
Why?
Thrombolytic Therapy
2
2018
204
0.150
Why?
Medical Staff, Hospital
1
2019
60
0.150
Why?
Contraindications
3
2015
52
0.140
Why?
Wnt Signaling Pathway
1
2019
86
0.140
Why?
Patient Selection
5
2014
484
0.140
Why?
Wound Infection
1
2018
29
0.140
Why?
Postoperative Hemorrhage
1
2018
41
0.140
Why?
Databases, Factual
5
2020
887
0.130
Why?
Heart Arrest, Induced
2
2008
13
0.130
Why?
United States
6
2020
8123
0.130
Why?
Myocardium
1
2019
302
0.130
Why?
Hodgkin Disease
1
2017
54
0.130
Why?
Sinus of Valsalva
1
2016
7
0.130
Why?
Quantitative Trait Loci
1
2017
82
0.120
Why?
Radiation Injuries
1
2017
67
0.120
Why?
Logistic Models
6
2018
1273
0.120
Why?
Cohort Studies
7
2019
2631
0.120
Why?
Registries
3
2016
931
0.120
Why?
Cardiac Catheterization
2
2010
292
0.110
Why?
Aortic Aneurysm, Thoracic
1
2016
109
0.110
Why?
Wound Healing
1
2016
193
0.110
Why?
Alleles
1
2016
455
0.110
Why?
Quality of Health Care
1
2019
533
0.110
Why?
Ultrasonography
3
2012
491
0.110
Why?
Genotype
1
2016
674
0.110
Why?
Polymorphism, Single Nucleotide
1
2017
511
0.110
Why?
Clinical Competence
1
2019
732
0.100
Why?
Shock, Cardiogenic
2
2005
108
0.100
Why?
Prognosis
5
2018
1788
0.100
Why?
Young Adult
5
2020
4827
0.100
Why?
Tomography, X-Ray Computed
5
2015
1659
0.100
Why?
Genetic Predisposition to Disease
1
2017
733
0.100
Why?
Quality of Life
2
2011
1263
0.100
Why?
Survival Analysis
4
2018
577
0.100
Why?
Lupus Erythematosus, Discoid
1
2012
7
0.090
Why?
Mitral Valve Annuloplasty
1
2012
17
0.090
Why?
Surgical Wound Dehiscence
1
2012
16
0.090
Why?
Constriction
1
2012
8
0.090
Why?
Pulmonary Edema
1
2012
29
0.090
Why?
Coronary Circulation
1
2012
55
0.090
Why?
Hemangiosarcoma
1
2012
24
0.090
Why?
Heparin
2
2010
120
0.090
Why?
Predictive Value of Tests
4
2017
1115
0.090
Why?
Myxoma
1
2011
14
0.080
Why?
Perioperative Care
1
2012
87
0.080
Why?
Embolism, Paradoxical
1
2010
14
0.080
Why?
Comorbidity
3
2016
1120
0.080
Why?
Health Status Indicators
1
2010
94
0.080
Why?
Hemostatic Techniques
1
2009
12
0.080
Why?
Operative Time
2
2020
94
0.080
Why?
Neoplasm Recurrence, Local
1
2012
377
0.080
Why?
DNA, Mitochondrial
1
2010
86
0.070
Why?
Adolescent
5
2020
6327
0.070
Why?
Hyperkalemia
1
2008
20
0.070
Why?
Anticoagulants
2
2010
529
0.070
Why?
Recurrence
2
2012
662
0.070
Why?
Survivors
1
2009
185
0.070
Why?
Feasibility Studies
2
2008
589
0.070
Why?
Breast Neoplasms
1
2017
1232
0.070
Why?
Risk
2
2020
374
0.070
Why?
Hospitalization
3
2020
1398
0.070
Why?
Multivariate Analysis
3
2016
931
0.070
Why?
DNA Replication
1
2010
249
0.070
Why?
Stroke
3
2018
1217
0.060
Why?
Ischemic Attack, Transient
1
2008
96
0.060
Why?
Combined Modality Therapy
2
2021
372
0.060
Why?
Erythrocyte Transfusion
1
2007
77
0.060
Why?
Ultrasonography, Interventional
1
2008
124
0.060
Why?
Hypertension, Pulmonary
1
2007
99
0.060
Why?
Academic Medical Centers
2
2019
307
0.060
Why?
Shock
1
2006
33
0.060
Why?
Mitochondria
1
2010
409
0.060
Why?
Anesthesia, General
1
2006
47
0.060
Why?
Blood Transfusion
1
2007
167
0.060
Why?
Axillary Artery
1
2005
7
0.060
Why?
Aortography
1
2006
58
0.060
Why?
Body Surface Area
1
2005
10
0.060
Why?
Femoral Vein
1
2005
20
0.060
Why?
Thromboembolism
1
2006
74
0.060
Why?
Intraoperative Care
1
2005
38
0.060
Why?
Hypothermia, Induced
1
2005
39
0.060
Why?
Stroke Volume
1
2007
344
0.060
Why?
High-Throughput Nucleotide Sequencing
2
2017
312
0.060
Why?
Postoperative Care
1
2005
122
0.060
Why?
Femoral Artery
1
2006
104
0.050
Why?
Pericardiocentesis
1
2004
4
0.050
Why?
Radial Artery
1
2005
55
0.050
Why?
Coronary Restenosis
1
2004
21
0.050
Why?
Electroencephalography
1
2005
156
0.050
Why?
Cardiac Tamponade
1
2004
14
0.050
Why?
Graft Occlusion, Vascular
1
2004
60
0.050
Why?
Postoperative Period
2
2017
130
0.050
Why?
Fatal Outcome
1
2004
122
0.050
Why?
Emergencies
1
2004
124
0.050
Why?
Pacemaker, Artificial
1
2004
50
0.050
Why?
Foreign Bodies
1
2004
56
0.050
Why?
Cerebral Cortex
1
2005
269
0.050
Why?
Blood Vessel Prosthesis
1
2005
215
0.050
Why?
Odds Ratio
3
2012
755
0.050
Why?
Disease Progression
2
2018
1224
0.050
Why?
Heart Arrest
1
2005
177
0.050
Why?
Leukemia-Lymphoma, Adult T-Cell
1
2002
10
0.050
Why?
Bone Wires
1
2021
5
0.040
Why?
ROC Curve
2
2015
292
0.040
Why?
Acute Disease
2
2018
663
0.040
Why?
Bone Plates
1
2021
43
0.040
Why?
Internal Mammary-Coronary Artery Anastomosis
1
2020
4
0.040
Why?
Stents
1
2004
500
0.040
Why?
Transplantation, Homologous
1
2021
250
0.040
Why?
Surgical Flaps
1
2021
117
0.040
Why?
Dyspnea
2
2011
120
0.040
Why?
Aortic Rupture
1
2020
47
0.040
Why?
Thoracic Surgical Procedures
1
2020
42
0.040
Why?
Massachusetts
2
2019
2149
0.040
Why?
Hospital Costs
1
2020
126
0.040
Why?
Tissue and Organ Procurement
1
2019
38
0.040
Why?
Benchmarking
1
2020
137
0.040
Why?
Morbidity
1
2019
110
0.040
Why?
Child
3
2022
4608
0.040
Why?
Risk Adjustment
1
2019
94
0.040
Why?
Hospitals, Teaching
1
2019
105
0.040
Why?
Fibrosis
1
2019
172
0.040
Why?
Myocytes, Cardiac
1
2019
123
0.040
Why?
Seasons
1
2019
138
0.040
Why?
Hospitals
1
2021
397
0.030
Why?
Trachea
1
1998
83
0.030
Why?
Prospective Studies
2
2016
3320
0.030
Why?
Chi-Square Distribution
2
2010
413
0.030
Why?
Restraint, Physical
1
2018
58
0.030
Why?
Ventricular Dysfunction, Right
1
2018
50
0.030
Why?
NAV1.8 Voltage-Gated Sodium Channel
1
2017
3
0.030
Why?
Sex Factors
1
2020
994
0.030
Why?
Radiotherapy
1
2017
66
0.030
Why?
Cyclic GMP
1
2017
33
0.030
Why?
Ointments
1
2016
7
0.030
Why?
Monitoring, Intraoperative
2
2008
47
0.030
Why?
Venous Thrombosis
1
2018
113
0.030
Why?
Administration, Topical
1
2016
51
0.030
Why?
Body Size
1
2016
19
0.030
Why?
Genotyping Techniques
1
2016
21
0.030
Why?
Dilatation, Pathologic
1
2016
30
0.030
Why?
Membrane Potentials
1
2017
140
0.030
Why?
Delivery of Health Care
1
2021
438
0.030
Why?
Genetic Association Studies
1
2017
120
0.030
Why?
Muscle Proteins
1
2017
117
0.030
Why?
Inpatients
1
2019
322
0.030
Why?
Patient Readmission
1
2020
452
0.030
Why?
Education, Medical, Graduate
1
2019
348
0.030
Why?
Reference Values
1
2016
328
0.030
Why?
Kidney
1
2018
454
0.030
Why?
Sequence Analysis, RNA
1
2017
181
0.030
Why?
Tertiary Care Centers
1
2016
111
0.030
Why?
Chronic Disease
1
2019
742
0.030
Why?
Cardiovascular Agents
1
2016
107
0.030
Why?
Cells, Cultured
1
2019
2187
0.030
Why?
Area Under Curve
1
2015
148
0.030
Why?
Drug Resistance
1
2015
154
0.030
Why?
Biomarkers
1
2018
1474
0.020
Why?
Phenotype
1
2016
1233
0.020
Why?
Home Care Services
1
2013
104
0.020
Why?
Carrier Proteins
1
2017
716
0.020
Why?
Counterpulsation
1
2012
2
0.020
Why?
Disease-Free Survival
1
2012
244
0.020
Why?
Internship and Residency
1
2019
803
0.020
Why?
Neoplasm Metastasis
1
2012
223
0.020
Why?
Pilot Projects
1
2015
1020
0.020
Why?
Scoliosis
1
2011
10
0.020
Why?
Tinnitus
1
2011
17
0.020
Why?
Alopecia
1
2011
29
0.020
Why?
Dipyridamole
1
2010
17
0.020
Why?
Elective Surgical Procedures
1
2011
120
0.020
Why?
Databases as Topic
1
2010
49
0.020
Why?
Neoplasm Staging
1
2012
548
0.020
Why?
Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha
1
2010
36
0.020
Why?
Whole Blood Coagulation Time
1
2009
3
0.020
Why?
Thrombocytopenia
1
2010
59
0.020
Why?
Secondary Prevention
1
2010
165
0.020
Why?
Heat-Shock Proteins
1
2010
71
0.020
Why?
Linear Models
1
2010
405
0.020
Why?
Aspirin
1
2010
172
0.020
Why?
Treatment Failure
1
2009
208
0.020
Why?
Down-Regulation
1
2010
324
0.020
Why?
Surgical Instruments
1
2008
44
0.020
Why?
Mediastinum
1
2008
28
0.020
Why?
Case-Control Studies
1
2012
1143
0.020
Why?
Dissection
1
2008
46
0.020
Why?
Diastole
1
2008
90
0.020
Why?
Walking
1
2010
246
0.020
Why?
Myocardial Revascularization
1
2008
78
0.020
Why?
Dose-Response Relationship, Drug
1
2009
857
0.020
Why?
Probability
1
2008
170
0.020
Why?
Neoplasms
1
2018
1371
0.020
Why?
Coronary Stenosis
1
2008
41
0.020
Why?
Animals
2
2016
21356
0.020
Why?
Signal Transduction
1
2017
3148
0.020
Why?
Coronary Artery Bypass, Off-Pump
1
2005
5
0.010
Why?
Confidence Intervals
1
2006
237
0.010
Why?
Myocardial Infarction
1
2012
921
0.010
Why?
Angiography
1
2005
154
0.010
Why?
Algorithms
1
2010
1049
0.010
Why?
Regression Analysis
1
2006
498
0.010
Why?
Anastomosis, Surgical
1
2005
118
0.010
Why?
Reproducibility of Results
1
2009
1709
0.010
Why?
Sensitivity and Specificity
1
2008
1172
0.010
Why?
Mice
1
2016
11125
0.010
Why?
Transcription Factors
1
2010
1555
0.010
Why?
Tracheal Stenosis
1
1998
9
0.010
Why?
Bronchoscopy
1
1998
88
0.010
Why?
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