OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Cardiology is 36. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Three-dimensional echocardiography reveals early mitral valve alterations in hypertrophic cardiomyopathy genetic mutation carriers	168
Signature of standard modifiable CV factors as unrecognizable risk factor of in-hospital mortality in patients with acute myocardial infarction	108
Mitral valve reoperation: Refining risk stratification for better outcomes	103
Sudden death of an athlete with concealed arrhythmogenic cardiomyopathy	98
Contemporary outcomes of surgical aortic valve replacement in patients referred for a transcatheter approach	86
Using machine learning to guide imaging in hypertrophic cardiomyopathy - from lessening the burden of our day-to-day clinical decisions to more cost-effective resource utilization	80
The association of bisphosphonates, calcium levels and PTH levels with bioprosthetic aortic valve degeneration	79
Prognostic value of exercise tolerance and exercise-induced diastolic dysfunction in elderly patients referred for exercise stress echocardiography	78
Impact of veno-venous collaterals on outcome after the total cavopulmonary connection	75
Targeting the SPP1/TGF-β1 axis in macrophages: A potential therapeutic mechanism for atrial fibrillation?	74
From gatekeeper to game-changer? Rethinking FFRCT in revascularization strategy	71
Apical ballooning and the rogue clot: A risky affair in Takotsubo syndrome	68
Editor's note	68
More cardiopulmonary effort testing needed in HFpEF!	64
Utilization rates and heart transplantation outcomes of donation after circulatory death donors with prior cardiopulmonary resuscitation	53
Heart failure subphenotypes based on repeated biomarker measurements are associated with clinical characteristics and adverse events (Bio-SHiFT study)	53
Electroanatomical voltage mapping with contact force sensing for diagnosis of arrhythmogenic right ventricular cardiomyopathy	50
Fibroblast growth factor 5 as a target for atrial fibrillation treatment: Evidence from mendelian randomization	49
Angiography-derived index of microcirculatory resistance as a novel tool to assess coronary microvascular dysfunction in patients with diabetic cardiomyopathy	46
Temporal progression of replacement and interstitial fibrosis in optimally managed dilated cardiomyopathy patients: A prospective study	46
Metabolic disorders as growing risk factors and comorbidities in heart failure	46
Right ventricular strain in Fabry disease: Prognostic implications	46
Anticoagulation control in Malaysia: Reports of time in therapeutic range, bleeding, and thromboembolic complications	45
Non-hyperemic, non pressure wire, coronary physiology. A further step towards the generalization of physiology in the cath-lab?	45
Levosimendan versus dobutamine in acute heart failure: Insight into short and long term mortality	44

The total thrombus-formation analysis system in infective endocarditis patients undergoing valve replacement: Does it have predictive value?	43
Female, the dominant gender– a study of the Serdang Pulmonary Hypertension Registry	42
Indications, implications and safety of cardiovascular magnetic resonance (CMR) imaging in Malaysian population from the Multicentre Malaysian CMR Registry	40
Elevated lipoprotein (a) another significant predictor of first-onset myocardial infarction among Malaysian adults	40
Potential mechanisms uncovered for the cardioprotective effects of high-intensity interval training	40
Myocardial infarction with no obstructive coronary artery (MINOCA): Prevalence, demographic pattern and 1-month outcome from Serdang PPCI STEMI Registry over 7 years	37
Spontaneous coronary artery dissection: A look back to build momentum	37
P 013: Purulent pericardial effusion: A rare and silent life-threatening disease	37
TASH Two TASH	37
P 032: Acute ruptured chordae tendinea in infective endocarditis	36
Can cuproptosis-related genes be involved in the pathogenesis of dilated cardiomyopathy?	36
Sex-related differences among young adults with heart failure: Does sex matter?	36