OOIR: Observatory of International Research

Papers

(The H4-Index of Circulation-Cardiovascular Imaging is 28. 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 2021-10-01 to 2025-10-01.)

Article	Citations
Interesting Cause of Pseudopleural Effusion: Giant Left Atrium	74
Ischemic Anterolateral Papillary Muscle Rupture During Pandemic	72
Echocardiography: Past, Present, and Future	59
Usefulness of Aortic Valve Calcification in Patients With Low-Flow Aortic Stenosis	55
In This Issue of the Journal	52
Primary Atriopathy in Mitral Valve Prolapse: Echocardiographic Evidence and Clinical Implications	52
Imaging-Based FFR: How Many Steps Toward Replacement for Wire-Based FFR on A Journey of A Thousand Miles	48
Value of Ischemia in Prognosis and Guiding Revascularization Among Patients With Chronic Coronary Artery Disease	48
MRI-Extracellular Volume Fraction Versus Histological Amyloid Load in Cardiac Amyloidosis: The Importance of T2 Mapping	47
‘Form fruste’ Aortoventricular Tunnel: Preoperative Computed Tomographic Virtual Dissection Defines This Unusual Variant	44
Cardiac Magnetic Resonance Imaging Techniques and Applications for Pericardial Diseases	43
Routine Coronary Atherosclerosis Imaging in the Cardiovascular Risk Assessment of Prediabetes and Diabetes	42
In This Issue of the Journal	40
Elevated Lipoprotein(a) With Zero Coronary Artery Calcium: A Silent Threat or a Clinical Paradox?	38
Correction to: Mahmod et al, “Differentiating Left Ventricular Remodeling in Aortic Stenosis From Systemic Hypertension”	38
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	36
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:	34
Aortitis in Disguise: Cardiomyopathy in a Child With Takayasu Arteritis	33
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	33
Chronic Subepicardial Hematoma: A Multimodality Imaging Diagnostic Approach After Elective Percutaneous Transluminal Coronary Angioplasty	33
Ultrafast Myocardial Contrast Echocardiography for the Assessment of Coronary Artery Disease: First In-Human Study	33
Modeling of the Tricuspid Valve and Right Ventricle in Hypoplastic Left Heart Syndrome With a Fontan Circulation	32
Imaging for Transcatheter Mitral Valve Edge-to-Edge Repair for an Unusual Cause of Cardiogenic Shock	32
Left Atrial Strain During Exercise: A Window to Atrioventricular Coupling in Heart Failure	31
Mitral Stenosis and Pulmonary Pressure: Rewriting the Classics or Stuck in the Past?	30

Correction to: Left Atrial Reservoir Strain-Based Left Ventricular Diastolic Function Grading and Incident Heart Failure in Hypertrophic Cardiomyopathy	30
In This Issue of the Journal	29
Early Appearance of Myocardial Fibrosis in Restrictive Diabetic Cardiomyopathy	29
Surgical Intervention of a Rare Case of Complex Coarctation of Descending Aorta	28