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 2021-10-01 to 2025-10-01.)

Article	Citations
Syncope in an elderly man with hypertrophic obstructive cardiomyopathy	242
Diuretic-resistant pretricuspid shunt: what is the missing link?	123
Imaging of intracoronary thrombus	96
Rationale and design of the United Kingdom Heart Failure with Preserved Ejection Fraction Registry	73
Ventricular hypertrophy in a young weightlifter	73
Young man with chest pain and an abnormal echocardiogram	65
A 64-year-old woman with right atrial mass	60
Electrocardiogram abnormalities and cardiovascular risk prediction in older Chinese: the Guangzhou Biobank Cohort Study	52
Young adult presenting with coronary arteritis	51
Relationship between left ventricular shape and cardiovascular risk factors: comparison between the Multi-Ethnic Study of Atherosclerosis and UK Biobank	48
Subphenogroups of acute heart failure with preserved ejection fraction: comprehensive proteomics and pathway analysis	47
Right atrial function, a mostly ignored but very valuable parameter in patients with secondary tricuspid regurgitation	45
Representativeness of surgical controls in aortic valve replacement trials: comparison with routine surgical cohorts	43
Effect of ketone supplementation, a low-carbohydrate diet and a ketogenic diet on heart failure measures and outcomes: a systematic review and meta-analysis	43
Heartbeat: long-term outcomes in patients with symptomatic coronary artery spasm	43
Circulating soluble LOX-1 and patient prognosis after an acute coronary syndrome	40
Pulmonary haemodynamics and right heart function during exercise at high versus low altitude in patients with pulmonary vascular disease: a randomised crossover trial	39
Strain and mitral regurgitation: is atrial functional mitral regurgitation a ventricular disease?	39
Cost-effectiveness of digoxin versus beta blockers in permanent atrial fibrillation: the Rate Control Therapy Evaluation in Permanent Atrial Fibrillation (RATE-AF) randomised trial	39
Bacteraemia and infective endocarditis after transcatheter aortic valve replacement: prevention is the key	38
Motor vehicle crash risk after cardioverter-defibrillator implantation: a population-based cohort study	38
Pulmonary hypertension in significant aortic valve disease: a dive into real-world data	38
Clinical outcomes of children with rheumatic heart disease	37
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

Heartbeat: cardiac rehabilitation in the home, not the healthcare centre	35
Outcomes and regional differences in practice in a worldwide coronary stent registry	33
Advancing clinical management of left ventricular thrombosis: prevention, detection and treatment modalities in the modern era	32
Infective endocarditis in transcatheter and surgical aortic valve prostheses	32
Sleep-disordered breathing and cardiovascular disease: who and why to test and how to intervene?	32
Fixed dose combination therapies in primary cardiovascular disease prevention in different groups: an individual participant meta-analysis	31
Clinical implementation of an AI-enabled ECG for hypertrophic cardiomyopathy detection	31
Clinical impact of cardiac magnetic resonance imaging in myocardial infarction with non-obstructive coronary arteries: a prospective multicentre cohort study	31
A narrative review of heart failure with preserved ejection fraction in breast cancer survivors	31