OOIR: Observatory of International Research

Papers

(The TQCC of Hellenic Journal of Cardiology is 4. 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 2021-12-01 to 2025-12-01.)

Article	Citations
Spontaneous giant “mycotic” aneurysm of the right coronary artery and purulent pericarditis: The riddle of the chicken and the egg	31
A nightmare on COVID-19 street	27
Reply to: “Levels of dietary sodium intake: diverging associations with arterial stiffness and atheromatosis. Concerns about the evidence review and methods”	25
Functional and hemodynamic result with the PASCAL Ace percutaneous mitral valve repair: A single-center experience	25
Coexisting morbidity burden in elderly hospitalized patients with and without heart failure	21
Patterns of care and outcomes of outpatient percutaneous coronary intervention in the United States: Insights from Nationwide Ambulatory Surgery Sample	21
Diagnostic yield of implantable loop recorders: results from the hellenic registry	20
Concomitant transapical aortic and mitral valve transcatheter implantation in a patient with aortic stenosis and ischemic mitral regurgitation	19
Depression and anxiety in patients with hypertrophic cardiomyopathy: a call for action	18
The burden of cardiovascular disease and related risk factors in Greece: the ATTICA epidemiological study (2002–2022)	18
INFLA-score: A new diagnostic paradigm to identify pericarditis	17
Transthyretin amyloidosis cardiomyopathy in Greece: Clinical insights from the National Referral Center	16
Renin-angiotensin system inhibitors and non-ST-elevation myocardial infarction outcomes based on left ventricular ejection fraction	15
Cardiogenetics: que será, será. Ou non?	15
Estimated pulse wave velocity predicts mortality in patients with heart failure with preserved ejection fraction	14
Sex-specific anatomic differences in patients undergoing transcatheter aortic valve implantation: insights from the ST-TAVI registry	14
Addressing gender disparities in cardiovascular care: insights from the Polish national clinical registry	13
Atrial fibrillation impact on hospitalization costs for the management of acute ischemic stroke. Results from the athens stroke registry	13
An evaluation of the clinical efficacy of the application of 28mm cryoballoon for linear ablation of left atrial apex combined with enlarged pulmonary vein vestibule ablation for persistent atrial fib	13
A complexity evaluation system for mitral valve repair based on preoperative echocardiographic and machine learning	13
Superiority of bilateral internal thoracic artery grafting in long-term survival after coronary artery bypass through the lenses of a bedside risk score	12
Real-world implementation of guidelines for heart failure management: A systematic review and meta-analysis	12
Education level predicts mortality and morbidity in hospitalised patients with atrial fibrillation	12
From algorithms to clinical outcomes: how artificial intelligence shapes metaclinical medicine	12
Effects of ranolazine on various outcomes in patients with stable angina: an updated meta-analysis	11

Adverse remodelling in tetralogy of Fallot: From risk factors to imaging analysis and future perspectives	11
Elevated eicosapentaenoic acid to arachidonic acid ratio and rapid coronary blood flow restoration in ST-elevation myocardial infarction	11
Ventricular arrhythmias in patients with chronic total occlusion of coronary arteries: a review focused on interventional treatments	11
MitraClip implantation in real-world: clinical relevance of different patterns of left ventricular remodeling	10
Shocking and inhumane inequalities. The gender gaps in Cardiology	10
Changes to transcatheter aortic valve replacement (TAVR) services during the first wave of the COVID-19 pandemic: A single centre experience from United Kingdom tertiary hospital	10
Association between preoperative uric acid concentration and the occurrence of atrial fibrillation following cardiac surgery: an observational prospective study	10
Establishing a cardiometabolic outpatient department in Greece: a roadmap for multidisciplinary care	10
Prediction of 10-year cardiovascular disease risk by diabetes status and lipoprotein-a levels; the HellenicSCORE II+	10
New guidelines of EACTS/STS on aortic disease: a useful tool for the management of “aortic organ” disease	10
Updated knowledge and practical implementations of stress echocardiography in ischemic and non-ischemic cardiac diseases: An expert consensus of the Working Group of Echocardiography of the Hellenic S	9
Why does cardiology have many extreme publishing authors?	9
Acute allograft rejection after heart transplantation: Outcomes of admissions and 30-day re-admissions	9
Prognostic impact of diabetes mellitus on in-hospital mortality in patients with acute myocardial infarction complicating renal dysfunction according to age and sex	9
Long-term risk, clinical management, and healthcare resource utilization of stable patients with coronary artery disease and post-myocardial infarction in Greece - TIGREECE study	9
Coronary angiography-based wire-free FFR methods	9
Long-term comparisons of atrial fibrillation ablation outcomes with a cryoballoon or laser-balloon: A propensity-matched analysis based on continuous rhythm monitoring	9
What is the best road to the heart?	9
Designing medical artificial intelligence systems for global use: focus on interoperability, scalability, and accessibility	8
Comparison of different venous access ways for right heart catheterization—a meta-analysis	8
Early ganglion stellate blockade as part of two-step treatment algorithm suppresses electrical storm and need for intubation	8
Role of Life’s Essential 8 score in mediating socioeconomic status in the incidence of atrial fibrillation and heart failure: a population-based cohort study	8
Dual nature of mitral annular disjunction: normal variation or pathological precursor?	8
BEAT-IT: A de-novo cardiac screening programme in Maltese adolescents	8
Risk of cardiovascular events in giant cell arteritis: systematic review and meta-analysis	8
Congenital left aortic sinus of valsalva to left ventricle tunnel	8
Comprehensive diagnostic workup in patients with suspected heart failure and preserved ejection fraction	8
Impact of left ventricular end-diastolic pressure as a marker for diastolic dysfunction on long-term outcomes in patients undergoing transcatheter aortic valve replacement	7
Validation of the skeletal muscle index as a predictor of mortality in Middle Eastern patients undergoing transcatheter aortic valve replacement	7
Ischemic stroke in patients with atrial fibrillation on oral anticoagulants: characteristics and long-term outcomes	7
Multimodality imaging in patients with implantable loop recorders: Tips and tricks	7
Impact of reduced apolipoprotein A-I levels on pulmonary arterial hypertension	7
In-depth computational analysis reveals the significant dysregulation of key gap junction proteins (GJPs) driving thoracic aortic aneurysm development	7
Effects of empagliflozin in women and men with acute myocardial infarction: An analysis from the EMMY trial	7
Chorion-derived perinatal mesenchymal stem cells improve cardiac function and vascular regeneration: Preferential treatment for ischemic heart disease	7
Multiple systemic arterial aneurysms in large-vessel vasculitis	7
The Causality between Gut Microbiota and Hypertension and Hypertension-related Complications: A Bidirectional Two-Sample Mendelian Randomization Analysis	7
Comparison of long-term prognoses of percutaneous coronary intervention via distal transradial and conventional transradial access for acute coronary syndrome	6
Novel genetic variants potentially associated with the pathogenesis of coronary artery aneurysm: whole-exome sequencing analysis	6
The prognostic impact of the 2015 European Society of Cardiology pericarditis guidelines implementation in clinical practice	6
Diagnostic performance of computed tomography-based fraction flow reserve in identifying myocardial ischemia caused by coronary artery stenosis: A meta-analysis	6
Right ventricular–pulmonary arterial coupling in patients with first acute myocardial infarction: an emerging post-revascularization triage tool	6
Cardiomyopathies in children: An overview	6
Chylopericardium after cardiac surgery: a rare yet serious complication	6
L1 cell adhesion molecule: a novel potential biomarker for infective endocarditis patients at high risk of embolism and adverse events	6
Fluoroscopy integration module guides successful ablation in atrial fibrillation with coronary-pulmonary artery fistula	6
Surgical aortic valvuloplasty is a better primary intervention for isolated congenital aortic stenosis in children with bicuspid aortic valve than balloon aortic valvuloplasty	6
Twin circumflex arteries in a patient with lateral STEMI: Which is the culprit artery?	6
Preoperative and mid-term right ventricular systolic function assessment, at rest and during exercise, with speckle-tracking echocardiography after left ventricular assist device implantation	6
Interprofessional survey of perceived barriers regarding cardiac rehabilitation in Greece	6

Barking up the wrong artery: A rare case of thrombosed ascending aortic aneurysm eroding into main pulmonary artery	6
Functional myocardial bridging resulting in sub-endocardial anterior myocardial infarction	5
Clinical phenotypes according to diuretic combination in acute heart failure	5
Left atrial volume changes during exercise stress echocardiography in heart failure and hypertrophic cardiomyopathy	5
Large collateral from the right coronary artery in a case of coarctation of the aorta with bilateral subclavian artery aneurysms in an adult	5
Effect of the COVID-19 pandemic on cardiac electrophysiological ablation procedures in Greece – Data from the Hellenic Society of Cardiology Ablation Registry	5
Effects of Chios Mastiha essential oil on cholesterol levels of healthy volunteers: A prospective, randomized, placebo-controlled study (MASTIHA-OIL)	5
Cardiac involvement in athletes recently recovered from COVID-19	5
Early acute kidney injury after transcatheter aortic valve implantation: predictive value of currently available risk scores	5
Lifetime risk of cardiovascular disease stratified by traditional risk factors: Findings from the cohort of Tehran lipid and glucose study	5
Percutaneous management of a malfunctioning PFO Occluder using Faradrive sheath and EN Snare	5
Prevalence, incidence, and patterns of lipid-lowering treatment in Greece based on real-world nationwide data on 8,535,780 adults	5
Transcatheter closure of a postoperative iatrogenic pseudoaneurysm in a patient with congenital heart disease	5
Acute myocardial infarction complicated by cardiogenic shock in a patient with a single coronary artery	5
Eosinophilic myocarditis due to Toxocara infection	4
Retransplantation in Greece: Ethical and practical considerations	4
Prognostic benefits of early vascular surgical intervention in patients with major peripheral vascular complications following transcatheter aortic valve implantation	4
Atrial fibrillation post CABG and the risk of arrhythmia recurrence: the AFRODITE study	4
Impact of three-month treatment with pitavastatin on arterial stiffness in patients with hypercholesterolemia: a prospective observational study	4
Incidence and outcomes of COVID-19 in patients with pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension: Data from the Hellenic pulmOnary hyPertension rEgistry (HOPE)	4
Balancing Form and Function in the Modern Era of Scientific Publishing: To Appear and to (have) Appeal	4
In memoriam: George L. Bakris (1952–2024)	4
Clinical effectiveness of thrombus aspiration during percutaneous coronary intervention for stent thrombosis in a contemporary setting	4
Association of serum cytokines with coronary chronic total occlusion and their role in predicting procedural outcomes	4
Obesity modifies the association between abnormal glucose metabolism and atrial fibrillation in older adults: a community-based longitudinal and prospective cohort study	4
Ageism in medicine: procrustean logic in healthcare	4
Assessing the relationship between monocyte-to-HDL cholesterol ratio and mortality in patients with hypertrophic cardiomyopathy	4
Long-term outcome in double-chambered right ventricle: a retrospective single-center study	4
Safety and efficacy of shortened dual antiplatelet therapy after complex percutaneous coronary intervention: A systematic review and meta-analysis	4
A novel diagnostic tool to identify atrial endo-epicardial asynchrony using signal fingerprinting	4
Two-year clinical outcomes of resorbable magnesium scaffold versus conventional drug-eluting stents in ST-segment elevation myocardial infarction: A propensity score matching analysis	4
Chlorthalidone versus hydrochlorothiazide for preventing cardiovascular disease in hypertension: Is the case closed?	4
Changes in the risk profile and outcomes of patients undergoing isolated coronary artery bypass grafting: A 23-year analysis of over 14000 patients	4
Seasonal Variation in Sudden Cardiac Death: Insights from a Large United Kingdom Registry	4
Prognostic impact of shock in patients with type A acute aortic syndrome. Results of a nationwide multicenter study	4
Men are from mars, but women are not from venus: The benefits of SGLT2 inhibitors after myocardial infarction are independent of gender	4