OOIR: Observatory of International Research

Papers

(The H4-Index of Heart is 31. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Heartbeat: cardiac rehabilitation in the home, not the healthcare centre	225
Syncope in an elderly man with hypertrophic obstructive cardiomyopathy	117
Diuretic-resistant pretricuspid shunt: what is the missing link?	93
Strain and mitral regurgitation: is atrial functional mitral regurgitation a ventricular disease?	71
Imaging of intracoronary thrombus	70
Pulmonary hypertension in significant aortic valve disease: a dive into real-world data	70
Rationale and design of the United Kingdom Heart Failure with Preserved Ejection Fraction Registry	59
Ventricular hypertrophy in a young weightlifter	55
Young man with chest pain and an abnormal echocardiogram	50
Infective endocarditis in transcatheter and surgical aortic valve prostheses	48
A 64-year-old woman with right atrial mass	45
Correction: 144 Side effects of sacubitril/valsartan influence outcomes in heart failure populations: a retrospective study	44
Heartbeat: long-term outcomes in patients with symptomatic coronary artery spasm	44
Cost-effectiveness of digoxin versus beta blockers in permanent atrial fibrillation: the Rate Control Therapy Evaluation in Permanent Atrial Fibrillation (RATE-AF) randomised trial	43
Gastrointestinal bleeding risk following concomitant treatment with oral glucocorticoids in patients on non-vitamin K oral anticoagulants	42
Relationship between left ventricular shape and cardiovascular risk factors: comparison between the Multi-Ethnic Study of Atherosclerosis and UK Biobank	42
Clarifying the anatomy of the superior sinus venosus defect	41
Fixed dose combination therapies in primary cardiovascular disease prevention in different groups: an individual participant meta-analysis	39
Photon-counting CT: seeing the heart in a whole new light	38
Outcomes and regional differences in practice in a worldwide coronary stent registry	38
Clinical impact of cardiac magnetic resonance imaging in myocardial infarction with non-obstructive coronary arteries: a prospective multicentre cohort study	37
Representativeness of surgical controls in aortic valve replacement trials: comparison with routine surgical cohorts	36
Relationship between orthostatic blood pressure changes and intensive blood pressure management in patients with hypertension	36
Review of the National Institute for Health and Care Excellence guidelines on the management of atrial and ventricular arrhythmias	36
Bacteraemia and infective endocarditis after transcatheter aortic valve replacement: prevention is the key	36

Calcium, vitamin D and aortic valve calcification: to the bone or to the heart?	36
Clinical implementation of an AI-enabled ECG for hypertrophic cardiomyopathy detection	34
Potential mechanisms linking high-volume exercise with coronary artery calcification	34
A narrative review of heart failure with preserved ejection fraction in breast cancer survivors	33
Clinical outcomes of children with rheumatic heart disease	32
Pulmonary haemodynamics and right heart function during exercise at high versus low altitude in patients with pulmonary vascular disease: a randomised crossover trial	32
Right atrial function, a mostly ignored but very valuable parameter in patients with secondary tricuspid regurgitation	31