| Transplantation: Methods and Outcomes | Lifetime | 5 | US 4 | 99.83 |
| Cardiac Structural Anomalies and Repair | Lifetime | 24 | US 14 | 99.85 |
| Mechanical Circulatory Support Devices | Lifetime | 22 | US 12 | 99.80 |
| Cardiac Valve Diseases and Treatments | Lifetime | 61 | US 38 | 99.83 |
| Aortic Disease and Treatment Approaches | Lifetime | 46 | US 27 | 99.66 |
| Infective Endocarditis Diagnosis and Management | Lifetime | 87 | US 48 | 99.57 |
| Pulmonary Hypertension Research and Treatments | Lifetime | 78 | US 32 | 99.36 |
| Congenital Heart Disease Studies | Lifetime | 121 | US 82 | 99.27 |
| Tissue Engineering and Regenerative Medicine | Lifetime | 96 | US 50 | 99.26 |
| Cardiac Ischemia and Reperfusion | Lifetime | 86 | US 47 | 99.19 |
| Cardiovascular Issues in Pregnancy | Lifetime | 66 | US 28 | 99.15 |
| Viral Infections and Immunology Research | Lifetime | 143 | US 76 | 98.86 |
| Cardiomyopathy and Myosin Studies | Lifetime | 149 | US 85 | 98.96 |
| Coronary Artery Anomalies | Lifetime | 73 | US 53 | 99.08 |
| Cardiovascular Function and Risk Factors | Lifetime | 411 | US 229 | 99.25 |
| Vascular anomalies and interventions | Lifetime | 110 | US 74 | 98.24 |
| Nitric Oxide and Endothelin Effects | Lifetime | 351 | US 166 | 98.45 |
| Electrospun Nanofibers in Biomedical Applications | Lifetime | 441 | US 100 | 98.43 |
| Cardiac and Coronary Surgery Techniques | Lifetime | 165 | US 87 | 98.21 |
| Organ Transplantation Techniques and Outcomes | Lifetime | 562 | US 244 | 98.37 |
| Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis | Lifetime | 468 | US 208 | 97.62 |
| Hypertrophic osteoarthropathy and related conditions | Lifetime | 7 | US 3 | 94.97 |
| Cell Adhesion Molecules Research | Lifetime | 803 | US 397 | 97.70 |
| Cardiovascular Effects of Exercise | Lifetime | 391 | US 176 | 97.76 |
| Cardiac Fibrosis and Remodeling | Lifetime | 172 | US 70 | 97.33 |
| Renal Transplantation Outcomes and Treatments | Lifetime | 593 | US 310 | 97.78 |
| Connective tissue disorders research | Lifetime | 293 | US 138 | 96.44 |
| Congenital heart defects research | Lifetime | 429 | US 229 | 96.83 |
| Eosinophilic Disorders and Syndromes | Lifetime | 474 | US 214 | 96.63 |
| Heart Failure Treatment and Management | Lifetime | 858 | US 384 | 97.11 |
| Streptococcal Infections and Treatments | Lifetime | 734 | US 315 | 96.42 |
| Cardiac tumors and thrombi | Lifetime | 535 | US 255 | 95.58 |
| Organ and Tissue Transplantation Research | Lifetime | 222 | US 126 | 95.36 |
| Atherosclerosis and Cardiovascular Diseases | Lifetime | 999 | US 368 | 94.45 |
| Xenotransplantation and immune response | Lifetime | 225 | US 106 | 94.26 |
| Renin-Angiotensin System Studies | Lifetime | 895 | US 343 | 93.09 |
| Vascular Anomalies and Treatments | Lifetime | 384 | US 152 | 91.67 |
| Williams Syndrome Research | Lifetime | 680 | US 272 | 57.66 |
| Cardiomyopathy and Myosin Studies | 2021-2025 | 407 | US 143 | 91.27 |
| Congenital heart defects research | 2021-2025 | 577 | US 231 | 78.09 |
| Streptococcal Infections and Treatments | 2021-2025 | 992 | US 214 | 73.11 |