OOIR: Observatory of International Research

Papers

(The TQCC of Heart and Vessels 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 2022-08-01 to 2026-08-01.)

Article	Citations
Clinical predictors of cardiac syncope in patients with unexplained syncope after the implantation of an insertable cardiac monitor	37
Sensitive detection of atherosclerotic coronary artery disease by a novel index of pressure–area relationship of the brachial artery	32
First clinical experience using a novel automated mapping algorithm for mapping of ventricular arrhythmias	31
Risk factor structure of heart failure in patients with cancer after treatment with anticancer agents’ assessment by big data from a Japanese electronic health record	23
Evaluation of lesion characteristics and baseline impedance on high-power short-duration radiofrequency catheter ablation using computer simulation	21
Major bleeding increases the risk of subsequent cardiovascular events in patients with atrial fibrillation: insights from the SAKURA AF registry and RAFFINE registry	17
Fractal geometry of culprit coronary plaque images within optical coherence tomography in patients with acute coronary syndrome vs stable angina pectoris	17
Evaluation of extracellular volume by computed tomography is useful for prediction of prognosis in dilated cardiomyopathy	16
Comment on “Overnight stiffness index from finger photoplethysmography in relation to markers of cardiovascular risk and vascular aging”	16
Nationwide trends and in-hospital outcomes of surgical versus transcatheter aortic valve replacement in Japan: a real-world analysis using administrative data	14
Combined assessment of left ventricular and atrial function for transthyretin amyloid cardiomyopathy	14
Diagnostic accuracy of Murray law-based quantitative flow ratio in patients with severe aortic stenosis undergoing transcatheter aortic valve replacement	13
Bridging the health literacy gap in cardiac rehabilitation through intervention and program design	13
The prognostic value of systemic vascular resistance in heart failure patients with permanent atrial fibrillation: a retrospective study	12
Epicardial adipose tissue density predicts the presence of atrial fibrillation and its recurrence after catheter ablation: three-dimensional reconstructed image analysis	12
Antipsychotic use and dysphagia risk in acute heart failure: a prospective cohort study	12
Impact of “black rock” on clinical outcomes after endovascular therapy for de novo calcified femoropopliteal lesions	12
High-risk imaging characteristics in left ventricular apex for the life-threatening arrhythmic events in Japanese hypertrophic cardiomyopathy patients	11
Effect of dapagliflozin on ventricular repolarization in patients with heart failure with reduced ejection fraction	11
Clinical outcomes after coronary artery bypass grafting in patients with dialysis-dependent end-stage renal disease and an analysis of the related influencing factors	11
Incidence and characteristic of deep venous thrombosis in hospitalized chronic heart failure patients	11
Comparative analysis of heart rate variability indices from ballistocardiogram and electrocardiogram: a study on measurement agreement	11
Response to “Beyond the three-risk-factor model: unmeasured confounders and residual vulnerability in post-TAVI ICU triage”	11
Correction: Association between pre-treatment with statin and its inhibitory effect on the onset of coronary artery disease at the time of coronary computed tomography angiography: a new look at an ol	11
High plasma concentrations of vanin-1 in patients with coronary artery disease	10

Aortic calcification and contrast-associated acute kidney injury in patients undergoing urgent coronary angiography	10
Low troponin I levels predict the presence of arrhythmia-induced cardiomyopathy in patients with atrial fibrillation and left ventricular systolic dysfunction	10
How to predict the presence of cardiac amyloidosis in patients with atrial fibrillation	9
Impact of changes in tissue properties of neointimal tissue of in-stent lesion during excimer laser coronary angioplasty (ELCA) evaluated by integrated-backscatter intravascular ultrasound (IB-IVUS)	9
Response to the letter by Daungsupawong and Wiwanitkit regarding “Incidence and predictors of postoperative atrial fibrillation in patients with preoperative sinus rhythm undergoing cardiac or aortic	9
Utility of convolutional neural network-enhanced electrocardiogram to diagnose and predict mitral regurgitation in patients with chronic atrial fibrillation	9
Progression from paroxysmal to persistent atrial fibrillation in pacemaker patients with tachycardia–bradycardia syndrome: a multicenter study	9
Long-term outcome of tailored antithrombotic therapy based on platelet function testing in patients undergoing percutaneous coronary intervention: a 5-year retrospective cohort study	9
Cost-effectiveness of transcatheter aortic valve implantation in older patients with aortic stenosis: a large-scale retrospective cohort study using an administrative claims database	9
Subcutaneous versus transvenous implantable cardioverter-defibrillator among drug-induced type-1 ECG pattern Brugada syndrome: a propensity score matching analysis from IBRYD study	8
Optimal surgical management of patients with severely reduced left ventricular ejection fraction undergoing coronary artery bypass grafting	8
Comparison between contrast-guided and pressure-guided ablation using the novel pressure visualization tool for cryoballoon pulmonary vein isolation	8
Left ventricular reverse remodeling following initiation of sacubitril/valsartan for heart failure with reduced ejection fraction and low blood pressure	8
Comparison between transcatheter versus surgical intervention for pediatric aortic valvular stenosis: a multicenter study in Japan	8
Imaging characteristics and clinical outcomes of hemodialysis vs. non-hemodialysis patients undergoing transcatheter aortic valve replacement: a Japanese single-center experience	8
Flow pattern analysis of right ventricular outflow tract in repaired tetralogy of Fallot through 4D flow MRI	8
Diuretic and renal effects of angiotensin receptor-neprilysin inhibitor in patients hospitalized for acute heart failure	8
Predicting residual pressure gradients after balloon angioplasty in patients with femoropopliteal artery lesions	8
Unpacking the gender divide: a critical examination of sex disparities in chronic heart failure	8
Atypical atrial flutter ablation: follow-up and predictors of arrhythmia recurrence	8
A long-term clinical comparative study of left bundle branch pacing versus biventricular pacing in patients with heart failure and complete left bundle branch block	8
Prognostic value of the liver fibrosis marker fibrosis-5 index in patients with severe isolated tricuspid regurgitation: comparison with fibrosis-4 index	8
Serum albumin in cancer survivors with heart failure: beyond a static prognostic marker	7
Right ventricular myocardial fibrosis evaluated by extracellular volume fraction by magnetic resonance imaging in patients with repaired tetralogy of Fallot: a meta-analysis	7
Timing of prescription of angiotensin-converting enzyme inhibitors/angiotensin receptor blockers in patients hospitalized for acute heart failure with reduced/mildly reduced ejection fraction: a retro	7
Reply to the comments regarding “Overnight stiffness index from finger photoplethysmography in relation to markers of cardiovascular risk and vascular ageing”	7
Predictive value of the prognostic nutritional index combined with serum chloride levels for the prognosis of patients with acute decompensated heart failure	7
Assessing relationship between hospital-acquired functional decline and non-lying time after transcatheter aortic valve implantation in elderly patients: methodological issues	7
Impact of quantitative flow ratio on outcomes after percutaneous coronary intervention for chronic total occlusion	7
Comparative analysis of recurrence predictors and outcomes for atrial tachyarrhythmia following atrial fibrillation ablation: high-power short-duration vs. conventional pulmonary vein isolation	7
“Critical reflections on mid-range ejection fraction and outcomes in STEMI patients”	7
Clinical value of echocardiography combined with serum Cav-1, NFATc1, and PAI-1 in the diagnosis of Kawasaki disease complicated with coronary artery lesions	7
Response to the Letter Regarding “Impact of low serum albumin levels on cardiovascular deaths in cancer survivors with heart failure”	7
Efficacy and safety of atrial fibrillation ablation in patients with aged 80 years or older. Letter to the editor (response to Kataoka N, et al.)	7
Long-term clinical outcomes of drug-coated balloon angioplasty for de novo coronary lesions in patients with diabetes mellitus	7
Evaluation of coronary artery disease in patients undergoing atrial fibrillation ablation: a non-invasive FFR computed tomography study	7
Bilateral pulmonary artery banding facilitates the systemic ventricular outflow tract growth for biventricular and univentricular repair candidates of complex arch anomaly	7
Relationship between exercise tolerance and autonomic nervous system modulation after catheter ablation for paroxysmal atrial fibrillation	7
Reply to ‘patent foramen ovale device closure for patients with stroke and high-risk PFO morphology’	6
Comment on “Effect of basic activities of daily living independence on home discharge and long-term outcomes in patients hospitalized with heart failure”	6
Two-year clinical outcomes and predictors of restenosis following the use of polymer-coated paclitaxel-eluting stents or drug-coated balloons in patients with femoropopliteal artery disease	6
Biomarker array for prediction of acute kidney injury after percutaneous coronary intervention for patients who had acute ST segment elevation myocardial infarction	6
Characteristics and outcomes in elderly patients with non-valvular atrial fibrillation and high bleeding risk: subanalysis of the J-RHYTHM Registry	6
Reply to letter to the editor: “Long-term clinical outcomes after alcohol septal ablation for hypertrophic obstructive cardiomyopathy in Japan: a retrospective study”	6
Clinical implication of device-based algorithm that optimize atrioventricular delay during cardiac resynchronization therapy: author’s reply	6
Comparative analysis of ultrasound-guided versus fluoroscopy-guided venous puncture techniques for pacemaker implantation	6
Relationship between abdominal visceral adipose tissue and cardiovascular events in patients with acute coronary syndrome	6
Comparison of long-term outcomes of the Bentall procedure between patients with and without Marfan syndrome	6
Response to the letter to the editor: characteristics of cardiac rehabilitation progress during hospitalization and in‑hospital outcomes after mitral transcatheter edge‑to‑edge repair	6
Circulating level of β-aminoisobutyric acid (BAIBA), a novel myokine-like molecule, is inversely associated with fat mass in patients with heart failure	6

The impact of statins treatments for plaque characteristics in stable angina pectoris patients with very low and high low-density lipoprotein cholesterol levels: an intracoronary optical coherence tom	6
Association of peak C-reactive protein with long-term clinical outcomes in patients with ST-segment elevation myocardial infarction	6
Association between intimal thickness of superficial calcified sheet and calcium fracture after intravascular lithotripsy	6
Stenting of branch pulmonary artery stenosis in children: initial experience and mid-term follow-up of the pul-stent	6
Clinical importance of heart disease screening in school for detecting atrial septal defects with significant shunt	6
Differences in major limb outcomes by indication for lower extremity endovascular revascularization in patients receiving hemodialysis	6
Atrial electrical remodeling and function after transcatheter aortic valve replacement in patients with aortic stenosis	5
Myocardial contractility characteristics of hypertrophic cardiomyopathy patients with and without sarcomere mutation	5
Assessment of anthracycline-induced cardiotoxicity in childhood cancer survivors during long-term follow-up using strain analysis and intraventricular pressure gradient measurements	5
Left atrial strain time integral evaluated by two-dimensional speckle tracking predicts left atrial appendage dysfunction in patients with acute ischemic stroke	5
The impact of time-of-day reperfusion on remote ischemic conditioning in ST-elevation myocardial infarction: a RIC-STEMI substudy	5
Effect of in-patient cardiac rehabilitation at rehabilitation hospital for cardiology patients: two-center trial	5
Reply to “Epicardial adipose tissue in atrial remodeling and atrial fibrillation: A bystander or participant?”	5
Initial experience of hypoxia-inducible factor prolyl hydroxylase inhibitors in patients with heart failure and renal anemia	5
Left bundle branch block cardiomyopathy (LBBB-CMP): from the not-so-benign finding of idiopathic LBBB to LBBB-CMP diagnosis and treatment	5
Mid- and long-term results of open repair for chronic type B aortic dissection in endovascular era	5
Association between red blood cell transfusion and subsequent cardiovascular events in patients admitted to the cardiovascular intensive care unit: a single-center retrospective study	5
Heart-rate reduction during microaxial flow pump support and short-term outcomes in patients with cardiogenic shock	5
Relationship of maximum walking speed with peak oxygen uptake and anaerobic threshold in male patients with heart failure	5
Acknowledgement to reviewers	5
Right atrial strain measured by 2D speckle-tracking echocardiography is associated with poor cardiac outcomes in patients with heart failure	5
Towards a point-of-care multimodal spectroscopy instrument for the evaluation of human cardiac tissue	5
Efficacy of a 16 Fr sheath strategy during Impella support to reduce access site bleeding in patients with cardiogenic shock	5
Incidence and predictors of postoperative atrial fibrillation in patients with preoperative sinus rhythm undergoing cardiac or aortic surgery	5
Prognostic value of combining cardiac myosin-binding protein C and N-terminal pro-B-type natriuretic peptide in patients without acute coronary syndrome treated at medical cardiac intensive care units	5
Reconsidering antipsychotic-associated dysphagia in acute heart failure: implications for multidisciplinary risk management	5
Impact of the intra-aortic balloon pump on the reliability of the fourth-generation FloTrac/EV1000 system in patients undergoing robotic-assisted off-pump coronary artery bypass surgery	5
Exercise-induced brachial–ankle pulse wave velocity changes before and after transcatheter aortic valve replacement	5
Late gadolinium enhancement in areas with electrically fractionated potentials during sinus rhythm in patients with atrial fibrillation	5
Long-term results following off-pump coronary-artery bypass grafting in left ventricular dysfunction	5
Improvements of cardiac function and metabolic parameters by sodium-glucose cotransporter 2 inhibitors with no significant effects on sympathetic or parasympathetic activity in chronic heart failure	5
Evaluation of intrarenal vein flow patterns during routine echocardiography	5
Effect of sacubitril/valsartan on natriuretic peptide in patients with compensated heart failure	5
Effect of basic activities of daily living independence on home discharge and long-term outcomes in patients hospitalized with heart failure	5
Transaortic and transfemoral stent deployment approaches related morphological and clinical outcomes after type II hybrid arch repair for type A aortic dissection	5
The ability and optimal cutoff value of serum cell division cycle 42 in estimating major adverse cardiac event in STEMI patients treated with percutaneous coronary intervention	4
Letter response to “Predictor of deep venous thrombosis in hospitalized chronic heart failure patients”	4
Estimated glucose disposal rate (eGDR) predicts rehospitalization & death in acute decompensated heart failure in the elderly	4
Evaluating convolutional neural network-enhanced electrocardiography for hypertrophic cardiomyopathy detection in a specialized cardiovascular setting	4
Implication of modified MELD scores for postdischarge prognosis in hospitalized patients with heart failure	4
Assessing the efficacy of saline flush in frequency-domain optical coherence tomography for intracoronary imaging	4
Changes in lung fluid levels with variations in the respiratory cycle	4
Predictors of success and puncture site complications in the distal radial approach	4
Response to letter by Dr. Mumtaz: critical reflections on mid-range ejection fraction and outcomes in STEMI patsients	4
TRAIL inhibition by soluble death receptor 5 protects against acute myocardial infarction in rats	4
Fibromuscular dysplasia of the brachial artery in patients with spontaneous coronary artery dissection: a case series and literature review	4
Clinical impact of Academic Research Consortium for High Bleeding-Risk scores on clinical outcomes in patients with stable coronary artery disease undergoing percutaneous coronary intervention	4
Characterization of baseline clinical factors associated with incident worsening kidney function in patients with non-valvular atrial fibrillation: the Hokuriku-Plus AF Registry	4
Left atrium dysfunction and dyssynchrony in pediatric patients with Wolff–Parkinson–White syndrome assessed using speckle-tracking echocardiography	4
Long-term outcomes of PCI in CTO patients with multi-vessel disease	4
A change in strategy for filter choice leads to improved filter retrieval rates	4
Brain natriuretic peptide levels and short physical performance battery scores independently influence short-term readmission rates in older patients with heart failure	4
Clinical characteristics and risk factors of cardiovascular disease in systemic lupus erythematosus patients	4
The use of beta-blockers for heart failure with reduced ejection fraction in the era of SGLT2 inhibitors – are we still afraid to up-titrate?	4
Impact of coronary revascularization on clinical outcomes in vessels with discordant results of fractional flow reserve and resting full-cycle ratio	4
The role of arterial stiffness in the onset of Takotsubo cardiomyopathy observed with noradrenaline administration and intracranial blood injection in rabbits	4
Response to letter to the editor regarding “HELT-E2S2 score is a promising marker for predicting left atrial appendage dysfunction in patients with ischemic stroke”	4
Prediction of severe aortic stenosis using peripheral arterial waveforms during brachial–ankle pulse wave velocity testing	4
Impact of pericoronary adipose tissue attenuation and coronary microvascular dysfunction on cardiac remodeling and dysfunction	4
Visceral adiposity in patients with lipomatous hypertrophy of the interatrial septum	4
Clinical outcomes and risk factors associated with drug-coated balloon treatment for femoropopliteal artery disease in patients on maintenance hemodialysis	4
Relationship between the spread of COVID-19, social frailty, and depressive symptoms in patients with heart failure	4
Comparison of left atrial appendage measurements between conventional transesophageal echocardiography and “Virtual TEE” reconstructed from computed tomography for pre-procedural planning of device cl	4
Impact of irrigation flow rates on lesion size and safety of ablation catheters: an ex vivo porcine heart study	4
Systemic arterial pulsatility (SAPi) in advanced heart failure: a novel hemodynamic risk stratification tool	4
Integrating platelet reactivity in the age, creatinine and ejection fraction score to predict clinical outcomes following percutaneous coronary intervention in patients with chronic coronary syndrome:	4
Incidence and clinical significance of inducible perimitral atrial tachycardia in patients with atrial fibrillation	4
Impact of preprocedural atrial fibrillation and body mass index on clinical outcomes after transcatheter aortic valve implantation	4
Left-atrial volume reduction reflects improvement of cardiac sympathetic nervous function in patients with severe aortic stenosis after transcatheter aortic valve replacement	4
Pd/Pa fluctuation with continuous ATP administration indicates inaccurate FFR measurement caused by insufficient hyperemia	4
Efficacy of early administration of sacubitril/valsartan after coronary artery revascularization in patients with acute myocardial infarction complicated by moderate-to-severe mitral regurgitation: a	4
Reply to “Enhancing PCI strategies for severely calcified coronary lesions: gaps and new directions”	4
Chest-CT-based radiomics feature of epicardial adipose tissue for screening coronary atherosclerosis	4
Outcome and microbiological findings of patients with cardiac implantable electronic device infection	4
Efficacy and safety of the urate-lowering agent febuxostat in chronic heart failure patients with hyperuricemia: results from the LEAF-CHF study	4
Impact of 1-month dual antiplatelet therapy after treatment with drug-coated balloon for femoropopliteal artery disease	4
Combined assessment of frailty and nutritional status can be a prognostic indicator after percutaneous coronary intervention	4
Reply to: Comment on “Safety and efficacy of high- and very high-power short-duration ablation in overweight and obese patients with atrial fibrillation”	4