OOIR: Observatory of International Research

Papers

(The TQCC of Korean Circulation Journal is 3. 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
Beyond Biventricular Pacing: Revisiting CRT Strategies in the Asian Heart Failure Population	58
Gender Is Not Predictor for Clinical Outcomes in Patients Undergoing Percutaneous Coronary Intervention for Coronary Bifurcation	40
Association Between Body Mass Index and Clinical Outcomes According to Diabetes in Patients Who Underwent Percutaneous Coronary Intervention	34
Seven-day and In-hospital Mortality According to Left and Right Ventricular Dysfunction in Patients With Septic Shock	23
The Emerging Lipid Risk: Lipoprotein(a)	22
Proteomic Dissection of Aortic Stenosis: Distinct VIC Signatures and the Role of Aging in Valve Remodeling	22
Comparison of Thick Biolimus A9-Eluting Stent and Thin Zotarolimus-Eluting Stent in Multi-Vessel Percutaneous Coronary Intervention	22
Strategy of Patient-Specific Therapeutics in Cardiovascular Disease Through Single-Cell RNA Sequencing	21
The Gut-Heart Axis: Updated Review for The Roles of Microbiome in Cardiovascular Health	20
Epigenetic Modulation in Heart Failure: HDAC Inhibitors as Emerging Therapeutic Allies	18
Will Cryoballoon Ablation Cool Down Atrial Fibrillation in Korea?	18
Deep Learning-Based Intravascular Ultrasound Images Segmentation in Coronary Artery Disease: A Start Developing the Cornerstone	15
Arterial Inflow Strategy in Acute Type A Aortic Dissection: Cannulation as a Component of an Integrated Arch Repair Philosophy	14
Withdrawal of Spironolactone for Heart Failure With Improved Ejection Fraction: An Open-Label, Pilot, Randomized Controlled Trial (With-HF Trial)	14
Early Initiation of Evolocumab in Patients With Acute Coronary Syndrome	13
Mitochondrial Integrity as the Gatekeeper of Cardiac Stress Adaptation: Insights From CRIF1 Deficiency	13
Age-Dependent Role of Genetics and Renal Function for Atrial Fibrillation Development in Hypertrophic Cardiomyopathy	12
Cost-effectiveness of Fractional Flow Reserve Versus Intravascular Ultrasound to Guide Percutaneous Coronary Intervention: Results From the FLAVOUR Study	12
Clinical Course of Suspected Diagnosis of Pulmonary Tumor Thrombotic Microangiopathy: A 10-Year Experience of Rapid Progressive Right Ventricular Failure Syndrome in Advanced Cancer Patients	12
Beta Blockers in Contemporary Cardiology: Is It Better to Cast Them Out?	11
Right Heart Catheterization via the Left Median Cubital Vein in a Patient With Persistent Left Superior Vena Cava	11
Right Heart Catheterization in Patients With Advanced Heart Failure: Novel Hemodynamic Parameters for Risk Stratification	11
Impacts of Pre-transplant Panel-Reactive Antibody on Post-transplantation Outcomes: A Study of Nationwide Heart Transplant Registry Data	11
Feasibility of Distal Radial Access in the Use of a Large-Bore Sheath for Percutaneous Coronary Intervention: Real-World Evidence From the Nationwide Cohort	11
Simple and Practical Way of Assessing Diastolic Function: Diastolic Heart Failure Revisited	10

Author’s Reply to Cryptogenic Stroke, Patent Foramen Ovale Closure, and Mid to Long-term Outcomes: Rising Shadows of Doubt	10
Thick or Thin, Durable or Biodegradable Polymers: Does Stent Design Still Matter?	10
Rhythm Control as a Strategy to Mitigate Atrial Functional Mitral Regurgitation and Tricuspid Regurgitation	10
Identification of Coronary Healed Plaque Using a Combined High-Definition 35–65 MHz Intravascular Ultrasound and Near-Infrared Spectroscopy	10
Malnutrition in Heart Failure With Preserved Ejection Fraction: Still a Neglected Risk Factor?	9
Association Between Ratio of Cholesterols and Coronary Artery Stenosis According to Low-Density Lipoprotein-Cholesterol Levels and Statin Use	9
Insights From the PHOENIKS Cohort: Shaping the Future of Pulmonary Arterial Hypertension (PAH) Management in Korea	9
Pivot-Balloon: A First Step Toward a Novel Transcatheter Treatment for Severe Tricuspid Regurgitation	8
Current Trends and Movements in Managing Pulmonary Arterial Hypertension in Korea	8
Treatment Outcomes in Children With Catecholaminergic Polymorphic Ventricular Tachycardia: A Single Institutional Experience	8
Pulsta Valve, Unique Self-Expandable Transcatheter Pulmonary Valve	8
Bridging the Gap in Mechanical Circulatory Support Strategies Before Heart Transplantation	8
Visceral Ischemia and Gastric Perforation in Acute Type B Aortic Dissection	7
Aneroid Auscultatory Sphygmomanometers and Automated Oscillometric Devices as Mercury-Free Alternatives in Children	7
The Role of Long Non-Coding RNA (LncRNA) in Acute Myocardial Infarction: Novel Strategy for the Treatment of Acute Myocardial Infarction	7
Insights for Tailoring Exercise Recommendations in Home-based Cardiac Rehabilitation: Patients’ Perspectives	7
The Clinical Application of Three-Dimensional Speckle Tracking Echocardiography and Two-Dimensional Echocardiography for Left Ventricular and Right Ventricular Assessment in Patients With Septic Cardi	7
The Obesity Paradox: An Epiphenomenon vs. A Clue for the Hidden Pathophysiology of Adiposity	7
Outcomes of Deferring Percutaneous Coronary Intervention Without Physiologic Assessment for Intermediate Coronary Lesions	7
Potential of Grape Seed Extract to Prevent Calcification of Bioprosthetic Heart Valve	7
The Association Between Cutaneous Wounds and Infective Endocarditis: A Nationwide Self-Controlled Case Series Study in Taiwan	6
Customized Fenestrated Thoracic Endovascular Aneurysm Repair in an Elderly Patient With Complex Visceral Anatomy	6
Pre-Hospital Delay and Outcomes in Myocardial Infarction With Nonobstructive Coronary Arteries	6
Functional Insufficiency of Mitral and Tricuspid Valves Associated With Atrial Fibrillation: Impact of Postoperative Atrial Fibrillation Recurrence on Surgical Outcomes	6
Strain-Volume Loop Dynamics: A Novel Perspective on Left Ventricular Dysfunction	6
Long-Term Outcomes of Modified Cone Reconstruction for Ebstein’s Anomaly in Pediatric Patients in a Single Center	6
The Biomarker Galaxy: Big Endothelin-1 Joins the Expanding Universe of Heart Failure Prognostication	6
The First Korean Clinical Evidence With Tafamidis in ATTR-CM	6
De-escalating Medical Therapy in Heart Failure With Improved Left Ventricular Ejection Fraction	6
Left Atrial Strain Predicts Poor Exercise Capacity in Patients With Indeterminate Diastolic Function	6
LOXL1-AS1/miR-761/PTEN as a Novel Signaling Pathway in Myocardial Ischemia and Reperfusion Injury (MIRI): Epigenetic Regulation by Long Non-Coding RNA (LncRNA) in MIRI	6
Programmed Follow-up and Quality Control of Treatment Techniques Enhance Chronic Thromboembolic Pulmonary Hypertension Management: Lessons From a Multidisciplinary Team	5
Early Versus Late Post Cesarean Section Warfarin Initiation and Increased Risk of Maternal Complications in Patients With Mechanical Heart Valves: A Randomized, Open-Label Pilot Study	5
Device-Detected Subclinical Atrial Fibrillation as Fire Under the Ashes	5
Ultimately, the Problem Lies in the Arterial Diameter	5
Underexpanded Stent and Force-Focused Double Buddy-Wire	5
Frailty, Sarcopenia, Cachexia, and Malnutrition in Heart Failure	5
The Newer-Generation DES, Really Nothing to Special?	5
Misguided Blood Flow Near the Atrial Septum	5
Single Versus Multiple Inflow Source for Coronary Artery Bypass Surgery in Ischemic Cardiomyopathy	5
Merging CT on Fluoroscopic Imaging Using the Trachea as a Reference Without Contrast	5
Anti-Inflammatory Effect of Vitamin D via Suppression of YKL-40 Production: One of the Possible Mechanisms for Cardiovascular Protection	5
Early Aortic Valve Replacement in Symptomatic Normal-Flow, Low-Gradient Severe Aortic Stenosis: A Propensity Score–Matched Retrospective Cohort Study	5
Anatomical Snuffbox Versus Dorsum of the Hand for Optimal Access Site in Distal Radial Access: Insight From the KODRA Registry	5
Artificial Intelligence-Enabled Electrocardiography in Practice: A State-of-the-Art Review	5
Atrial Strain as a Predictive Tool for Poor Exercise Capacity in Patients With Indeterminate Diastolic Function: The Utility and Challenges in Clinical Practice	5
Lower Atrial Fibrillation Risk With Sodium-Glucose Cotransporter 2 Inhibitors Than With Dipeptidyl Peptidase-4 Inhibitors in Individuals With Type 2 Diabetes: A Nationwide Cohort Study	5
Clinical Implications of a Proteomics-Based Approach for Cardiomyopathy and Heart Failure	5
Efficiency of MVP ECG Risk Score for Prediction of Long-Term Atrial Fibrillation in Patients With ICD for Heart Failure With Reduced Ejection Fraction	5
Knockdown of ARID1A Protects H9c2 Cells Against Hypoxia/Reoxygenation (H/R)-Induced Injury by Targeting SOX9	4

Safety and Feasibility of Robot-Assisted Percutaneous Coronary Intervention Using the AVIAR 2.0 System: A Prospective, Multi-Center, Single-Arm, Open, Investigator-Initiated, Post-Approval Clinical Tr	4
Uncommon Cause of Myocarditis After COVID-19 Protein Subunit Vaccine	4
Atrial Metabolic Profile and Underlying Pathophysiology Across Different Ages: Right Atrial Uptake by ¹⁸ F-FDG PET/CT in Persistent Atrial Fibrillati	4
Early Initiation of Sodium-Glucose Cotransporter 2- Inhibitors in Acute Heart Failure: Reassurance Beyond Statistical Significance	4
Association Between Vasoactive Inotropic Score and Clinical Outcomes in Patients With Fulminant Myocarditis	4
UPF1 Alleviates Myocardial Ischemia-Reperfusion Injury by Regulating SMURF2-Mediated Ubiquitination Degradation of FOXA2	4
Antiplatelet Therapy in Patients Receiving Percutaneous Coronary Intervention for Bifurcation Lesions	4
Effect of Vitamin D on YKL-40: Rat Hypercholesterolemia Model	4
Transradial Access vs. Transfemoral Access for Primary PCI in ST-Elevation Myocardial Infarction Complicated by Cardiogenic Shock: Findings from a National, Multicenter Registry and Meta-Analysis	4
Pregnancy Outcomes in Women With Fontan Circulation: Single Tertiary Center Experience	4
Efficacy and Safety of Sirolimus-Eluting Stent With Biodegradable Polymer Ultimaster™ in Unselected Korean Population: A Multicenter, Prospective, Observational Study From Korean Multicenter Ultimaste	4
Extensive Papillary Muscle Calcification in Adult Anomalous Left Coronary Artery from Pulmonary Artery	4
Smoking and Cardiovascular Disease in Young Adults: Can We Restore the Risk by Cessation Alone?	4
Comparison of Novel Telemonitoring System Using the Single-lead Electrocardiogram Patch With Conventional Telemetry System	4
Feasibility and Effectiveness of a Ring-Type Blood Pressure Measurement Device Compared With 24-Hour Ambulatory Blood Pressure Monitoring Device	4
Pathway of Leadless Pacemaker in Korea: From Now to Future	3
Is Any ABCDE Stress Echocardiography Score Equivalent to Stress-Induced Ischaemia? Reply With a Modified 2-Stage Approach	3
What Does Atrial Fibrillation Mean in Patients With Cardiac Implantable Electronic Devices?	3
Epidemiology of PAH in Korea: An Analysis of the National Health Insurance Data, 2002–2018	3
Enhancing Familial Hypercholesterolemia Detection in South Korea: A Targeted Screening Approach Integrating National Program and Genetic Cascade Screening	3
When Cancer Survival Improves, the Heart Becomes the Next Frontier	3
The Association of Smoking Status and Clustering of Obesity and Depression on the Risk of Early–Onset Cardiovascular Disease in Young Adults: A Nationwide Cohort Study	3
2026 Focus Update of the 2021 Korean Society of Myocardial Infarction Expert Consensus Document on Revascularization for Acute Coronary Syndromes	3
Identifying Atrial Fibrillation With Sinus Rhythm Electrocardiogram in Embolic Stroke of Undetermined Source: A Validation Study With Insertable Cardiac Monitors	3
Symptomatic Gastroparesis After Cryoballoon Ablation for Atrial Fibrillation	3
LOXL1-AS1 Aggravates Myocardial Ischemia/Reperfusion Injury Through the miR-761/PTEN Axis	3
Diagnostic Performance of Angiography-Derived FFR According to the Analysis Factors	3
Postoperative Reverse Remodeling in Aortic Regurgitation: What One-Year Left Ventricular Mass Regression Tells Us	3
Erratum: Correction of Text in the Article “The Long-term Outcomes and Risk Factors of Complications After Fontan Surgery: From the Korean Fontan Registry (KFR)”	3
Effectiveness and Safety of COVID-19 Vaccination in Patients With Heart Failure: A Nationwide Retrospective Cohort Study	3
Tricuspid Regurgitation Can Improve After LVAD: Right Ventricular Reserve Should Not Be Overlooked	3
The Impact of Right Atrial Size to Predict Success of Direct Current Cardioversion in Patients With Persistent Atrial Fibrillation	3
Should We Leave Something There?	3
Growth in Children with Congenital Heart Disease: Filling the Gap With Nationwide Evidence	3
Deep Learning-Based Lumen and Vessel Segmentation of Intravascular Ultrasound Images in Coronary Artery Disease	3
Epigenetic Remodeling in Myocardial Reperfusion Injury: The Emerging Role of the ARID1A/SOX9 Axis	3
Clinical Implications and Evolution of Significant Tricuspid Regurgitation in Patients Undergoing Left Ventricular Assist Device Implantation	3
PDE4D Mediates the Cardiac Ischemia Reperfusion Injury and Is m6A Modified by METTL14	3
Type 2 Myocardial Infarction: Another Hidden Cause of Mortality During the COVID-19 Pandemic	3