OOIR: Observatory of International Research

Papers

(The H4-Index of Heart is 32. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Heartbeat: cardiac rehabilitation in the home, not the healthcare centre	217
Syncope in an elderly man with hypertrophic obstructive cardiomyopathy	115
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	69
Pulmonary hypertension in significant aortic valve disease: a dive into real-world data	66
Rationale and design of the United Kingdom Heart Failure with Preserved Ejection Fraction Registry	65
Ventricular hypertrophy in a young weightlifter	56
Infective endocarditis in transcatheter and surgical aortic valve prostheses	55
Young man with chest pain and an abnormal echocardiogram	55
A 64-year-old woman with right atrial mass	50
Heartbeat: long-term outcomes in patients with symptomatic coronary artery spasm	44
Correction: 144 Side effects of sacubitril/valsartan influence outcomes in heart failure populations: a retrospective study	44
Relationship between left ventricular shape and cardiovascular risk factors: comparison between the Multi-Ethnic Study of Atherosclerosis and UK Biobank	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	44
Potential mechanisms linking high-volume exercise with coronary artery calcification	42
Gastrointestinal bleeding risk following concomitant treatment with oral glucocorticoids in patients on non-vitamin K oral anticoagulants	41
Clarifying the anatomy of the superior sinus venosus defect	41
Bacteraemia and infective endocarditis after transcatheter aortic valve replacement: prevention is the key	40
Clinical implementation of an AI-enabled ECG for hypertrophic cardiomyopathy detection	39
Relationship between orthostatic blood pressure changes and intensive blood pressure management in patients with hypertension	37
Calcium, vitamin D and aortic valve calcification: to the bone or to the heart?	36
Photon-counting CT: seeing the heart in a whole new light	36
Fixed dose combination therapies in primary cardiovascular disease prevention in different groups: an individual participant meta-analysis	36
Review of the National Institute for Health and Care Excellence guidelines on the management of atrial and ventricular arrhythmias	36

Outcomes and regional differences in practice in a worldwide coronary stent registry	36
Clinical impact of cardiac magnetic resonance imaging in myocardial infarction with non-obstructive coronary arteries: a prospective multicentre cohort study	35
A narrative review of heart failure with preserved ejection fraction in breast cancer survivors	34
Pulmonary haemodynamics and right heart function during exercise at high versus low altitude in patients with pulmonary vascular disease: a randomised crossover trial	34
Clinical outcomes of children with rheumatic heart disease	33
Sleep-disordered breathing and cardiovascular disease: who and why to test and how to intervene?	32
Right atrial function, a mostly ignored but very valuable parameter in patients with secondary tricuspid regurgitation	32
Advancing clinical management of left ventricular thrombosis: prevention, detection and treatment modalities in the modern era	32
Motor vehicle crash risk after cardioverter-defibrillator implantation: a population-based cohort study	32