OOIR: Observatory of International Research

Papers

(The H4-Index of ESC Heart Failure 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 2021-09-01 to 2025-09-01.)

Article	Citations
Establishing a novel model to assess exercise capacity in chronic heart failure based on stress echocardiography	90
Calcium channel blockers and clinical outcomes in patients with continuous‐flow left ventricular assist devices	68
Prediction of cardiac events with non‐contrast magnetic resonance feature tracking in patients with ischaemic cardiomyopathy	66
	63
Characteristics and management of very elderly patients with heart failure: a retrospective, population cohort study	62
Corrigendum	61
Left atrial unloading with an 8 mm septal cutting balloon to treat postcapillary pulmonary hypertension: a case report	58
Synchronized diaphragmatic stimulation: a case report of a novel extra‐cardiac intervention for chronic heart failure	57
Different activation of MAPKs and Akt/GSK3β after preload vs. afterload elevation	56
Systolic dysfunction and mortality in critically ill patients: more data are needed to believe in this association!	54
Prevalence of transthyretin amyloidosis among heart failure patients with preserved ejection fraction in Japan	53
Blood perfusion status is important in the prognosis of ventricular aneurysm complicated by ventricular septal rupture	53
Editors' highlight picks from 2023 in ESC heart failure	53
Cardiac involvement in patients recovering from Delta Variant of COVID‐19: a prospective multi‐parametric MRI study	49
New insight: particle flow rate from the airways as an indicator of cardiac failure in the intensive care unit	43
Outcomes with sacubitril/valsartan in outpatients with heart failure and reduced ejection fraction: The ARIADNE registry	43
Cardiogenic shock requiring VA‐ECMO therapy in scorpionism‐induced myocarditis	42
Impact of age on characteristics, performance measures and outcomes of inpatients for heart failure in Beijing, China	42
Circ_0001206 regulates miR‐665/CRKL axis to alleviate hypoxia/reoxygenation‐induced cardiomyocyte injury in myocardial infarction	41
Oral iron supplementation in patients with heart failure: a systematic review and meta‐analysis	39
Health‐related quality of life among transthyretin amyloid cardiomyopathy patients	38
Serum angiotensin‐converting enzyme levels indicating early sarcoidosis diagnosis and immunosuppressive therapy efficacy	38
Reductions in renin‐angiotensin system inhibitors following hospitalization for heart failure	38
Meta‐analysis of cardiac magnetic resonance in prognosticating left ventricular function in peripartum cardiomyopathy	37
Atrial fibrillation ablation in patients with arrhythmia‐induced cardiomyopathy: a prospective multicentre study	37

Analysis of the serum levels of RIP3 and Drp1 in patients with heart failure	37
Meta‐Analysis Global Group in Chronic Heart Failure score for the prediction of mortality in valvular heart disease	37
Oral milrinone for management of refractory right ventricular failure in patients with left ventricular assist devices	37
Prognostic value of hypoxaemic burden from overnight oximetry in heart failure with preserved ejection fraction	37
	36
Risk classification for long‐term mortality among patients with acute heart failure: China PEACE 4YMortality	36
Long‐term outcomes of electrical storm patients listed for urgent heart transplantation but not transplanted acutely	36
Uncovering the genetic links of SARS‐CoV‐2 infections on heart failure co‐morbidity by a systems biology approach	36
Sex differences in the impact of frailty on patients with heart failure: A retrospective cohort study	35
Early achievement of walkability after cardiac surgery and the risk of cardiovascular disease after hospital discharge	35
Predicting cardiovascular events with fluoropyrimidine chemotherapy using a standard cardiovascular risk calculator	35
Integrated care for older multimorbid heart failure patients: protocol for the ESCAPE randomized trial and cohort study	35