OOIR: Observatory of International Research

Papers

(The H4-Index of Heart is 30. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Heartbeat: long-term outcomes in patients with symptomatic coronary artery spasm	108
Effect of ketone supplementation, a low-carbohydrate diet and a ketogenic diet on heart failure measures and outcomes: a systematic review and meta-analysis	77
Heartbeat: cardiac rehabilitation in the home, not the healthcare centre	61
Sleep-disordered breathing and cardiovascular disease: who and why to test and how to intervene?	58
Diuretic-resistant pretricuspid shunt: what is the missing link?	57
Syncope in an elderly man with hypertrophic obstructive cardiomyopathy	56
Young man with chest pain and an abnormal echocardiogram	54
Pulmonary hypertension in significant aortic valve disease: a dive into real-world data	52
Review of the National Institute for Health and Care Excellence guidelines on the management of atrial and ventricular arrhythmias	51
Ventricular hypertrophy in a young weightlifter	48
Strain and mitral regurgitation: is atrial functional mitral regurgitation a ventricular disease?	46
Fixed dose combination therapies in primary cardiovascular disease prevention in different groups: an individual participant meta-analysis	45
Inferior ST-segment elevation during transcatheter aortic valve implantation	44
Photon-counting CT: seeing the heart in a whole new light	43
Bacteraemia and infective endocarditis after transcatheter aortic valve replacement: prevention is the key	42
Young adult presenting with coronary arteritis	41
Right atrial function, a mostly ignored but very valuable parameter in patients with secondary tricuspid regurgitation	39
Electrocardiogram abnormalities and cardiovascular risk prediction in older Chinese: the Guangzhou Biobank Cohort Study	37
Renal denervation for hypertension management in the UK: a Delphi expert consensus	37
Imaging of intracoronary thrombus	36
Motor vehicle crash risk after cardioverter-defibrillator implantation: a population-based cohort study	36
Circulating soluble LOX-1 and patient prognosis after an acute coronary syndrome	35
Unmasking platypnoea-orthodeoxia syndrome: a systematic review of the pathophysiology, clinical spectrum and outcomes of percutaneous intracardiac shunt closure	35
Advanced cardiac imaging in cardiac sarcoidosis: current evidence and future directions	35
Pulmonary haemodynamics and right heart function during exercise at high versus low altitude in patients with pulmonary vascular disease: a randomised crossover trial	33

Clinical implementation of an AI-enabled ECG for hypertrophic cardiomyopathy detection	32
Relationship between left ventricular shape and cardiovascular risk factors: comparison between the Multi-Ethnic Study of Atherosclerosis and UK Biobank	32
Subphenogroups of acute heart failure with preserved ejection fraction: comprehensive proteomics and pathway analysis	31
From risk factor to therapeutic target: obesity therapy and cardiovascular outcomes	31
Advancing clinical management of left ventricular thrombosis: prevention, detection and treatment modalities in the modern era	30
Representativeness of surgical controls in aortic valve replacement trials: comparison with routine surgical cohorts	30