OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Cardiology is 35. 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
Three-dimensional echocardiography reveals early mitral valve alterations in hypertrophic cardiomyopathy genetic mutation carriers	154
Patterns of atrial fibrillation, relevant cardiac structural and functional changes predict functional and cognitive outcomes in patients with ischemic stroke and atrial fibrillation	104
Signature of standard modifiable CV factors as unrecognizable risk factor of in-hospital mortality in patients with acute myocardial infarction	89
Mitral valve reoperation: Refining risk stratification for better outcomes	87
Sudden death of an athlete with concealed arrhythmogenic cardiomyopathy	80
Contemporary outcomes of surgical aortic valve replacement in patients referred for a transcatheter approach	74
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	71
Prognostic value of exercise tolerance and exercise-induced diastolic dysfunction in elderly patients referred for exercise stress echocardiography	70
The association of bisphosphonates, calcium levels and PTH levels with bioprosthetic aortic valve degeneration	70
Impact of veno-venous collaterals on outcome after the total cavopulmonary connection	69
Targeting the SPP1/TGF-β1 axis in macrophages: A potential therapeutic mechanism for atrial fibrillation?	68
From gatekeeper to game-changer? Rethinking FFRCT in revascularization strategy	66
Editor's note	64
Apical ballooning and the rogue clot: A risky affair in Takotsubo syndrome	59
More cardiopulmonary effort testing needed in HFpEF!	56
Plasma expression level of Hsa_circ_0099734 is associated with atrial fibrillation and its poor prognosis	50
Heart failure subphenotypes based on repeated biomarker measurements are associated with clinical characteristics and adverse events (Bio-SHiFT study)	50
Early combination therapy with trimetazidine rapidly improves symptoms and quality of life in patients recently diagnosed with stable angina: The COMBINE angina study	46
Utilization rates and heart transplantation outcomes of donation after circulatory death donors with prior cardiopulmonary resuscitation	46
Electroanatomical voltage mapping with contact force sensing for diagnosis of arrhythmogenic right ventricular cardiomyopathy	45
Fibroblast growth factor 5 as a target for atrial fibrillation treatment: Evidence from mendelian randomization	44
Right ventricular strain in Fabry disease: Prognostic implications	43
Temporal progression of replacement and interstitial fibrosis in optimally managed dilated cardiomyopathy patients: A prospective study	43
Letter to the editor: Duration of atrial fibrillation and cardiac biomarkers are associated with cardiovascular outcomes in early permanent atrial fibrillation: Data from the RACE II study	41
Angiography-derived index of microcirculatory resistance as a novel tool to assess coronary microvascular dysfunction in patients with diabetic cardiomyopathy	41

Metabolic disorders as growing risk factors and comorbidities in heart failure	41
Reply to “Tertiary-centric data and AMI-CS care: Does it reflect real-world adherence?”	40
Letter to “Trajectory, correlates, and outcomes of pulmonary congestion by lung ultrasound in patients hospitalized for acute pulmonary edema”	39
Non-hyperemic, non pressure wire, coronary physiology. A further step towards the generalization of physiology in the cath-lab?	38
Anticoagulation control in Malaysia: Reports of time in therapeutic range, bleeding, and thromboembolic complications	38
The total thrombus-formation analysis system in infective endocarditis patients undergoing valve replacement: Does it have predictive value?	37
Levosimendan versus dobutamine in acute heart failure: Insight into short and long term mortality	37
Potential mechanisms uncovered for the cardioprotective effects of high-intensity interval training	36
Female, the dominant gender– a study of the Serdang Pulmonary Hypertension Registry	36
Indications, implications and safety of cardiovascular magnetic resonance (CMR) imaging in Malaysian population from the Multicentre Malaysian CMR Registry	35
Elevated lipoprotein (a) another significant predictor of first-onset myocardial infarction among Malaysian adults	35