OOIR: Observatory of International Research

Papers

(The H4-Index of Circulation-Cardiovascular Imaging is 30. 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 2022-05-01 to 2026-05-01.)

Article	Citations
In This Issue of the Journal	108
Value of Ischemia in Prognosis and Guiding Revascularization Among Patients With Chronic Coronary Artery Disease	82
Imaging-Based FFR: How Many Steps Toward Replacement for Wire-Based FFR on A Journey of A Thousand Miles	68
Echocardiography: Past, Present, and Future	65
Seeing the Unseen: Contrast-Free MRI for Predicting Thrombolytic Susceptibility	64
Interesting Cause of Pseudopleural Effusion: Giant Left Atrium	59
Prognostic Utility of Quantitative Perfusion PET in Patients With Prior CABG: Incremental Value of Myocardial Flow Reserve and Coronary Vascular Resistance	54
MRI-Extracellular Volume Fraction Versus Histological Amyloid Load in Cardiac Amyloidosis: The Importance of T2 Mapping	53
Usefulness of Aortic Valve Calcification in Patients With Low-Flow Aortic Stenosis	51
Primary Atriopathy in Mitral Valve Prolapse: Echocardiographic Evidence and Clinical Implications	48
Routine Coronary Atherosclerosis Imaging in the Cardiovascular Risk Assessment of Prediabetes and Diabetes	46
Prognostic Significance of Noninvasive Simultaneous Renal and Cardiac Perfusion: Interrogating Mechanisms of Cardiovascular-Kidney Interactions	46
‘Form fruste’ Aortoventricular Tunnel: Preoperative Computed Tomographic Virtual Dissection Defines This Unusual Variant	45
Combined Anatomic and Functional Testing Identifies Patients With Obstructive Coronary Artery Disease Who Benefit From Revascularization	43
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	41
Chronic Subepicardial Hematoma: A Multimodality Imaging Diagnostic Approach After Elective Percutaneous Transluminal Coronary Angioplasty	41
Cardiac Magnetic Resonance Imaging Techniques and Applications for Pericardial Diseases	41
Mechanical Mitral Valve Avulsion and Mitral-Aortic Junction Pseudoaneurysm Following Surgical Treatment of Mitral Valve Aneurysm and Severe Aortic Insufficiency in a Patient With Spondyloarthropathy:	41
Response by Hijazi et al to Letter Regarding Article, “Deep Learning-Derived Cardiac Chamber Volumes and Mass From PET/CT Attenuation Scans: Associations With Myocardial Flow Reserve and Heart Failure	40
Mitral Stenosis and Pulmonary Pressure: Rewriting the Classics or Stuck in the Past?	38
Stress-Only CMR Perfusion: Ready for Clinical Application?	38
Complete Resolution of Technetium Pyrophosphate Uptake After Treatment of Transthyretin Cardiac Amyloidosis	38
Aortitis in Disguise: Cardiomyopathy in a Child With Takayasu Arteritis	37
In This Issue of the Journal	36
Elevated Lipoprotein(a) With Zero Coronary Artery Calcium: A Silent Threat or a Clinical Paradox?	35

Early Appearance of Myocardial Fibrosis in Restrictive Diabetic Cardiomyopathy	33
Modeling of the Tricuspid Valve and Right Ventricle in Hypoplastic Left Heart Syndrome With a Fontan Circulation	33
Correction to: Left Atrial Reservoir Strain-Based Left Ventricular Diastolic Function Grading and Incident Heart Failure in Hypertrophic Cardiomyopathy	32
Correction to: Mahmod et al, “Differentiating Left Ventricular Remodeling in Aortic Stenosis From Systemic Hypertension”	32
Not All Prognostic Tools Are Equal: A Sex-Specific Approach to ASCVD Primary Prevention	31