OOIR: Observatory of International Research

Papers

(The H4-Index of Circulation-Cardiovascular Imaging is 29. 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 2022-01-01 to 2026-01-01.)

Article	Citations
In This Issue of the Journal	89
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	67
Routine Coronary Atherosclerosis Imaging in the Cardiovascular Risk Assessment of Prediabetes and Diabetes	61
In This Issue of the Journal	60
MRI-Extracellular Volume Fraction Versus Histological Amyloid Load in Cardiac Amyloidosis: The Importance of T2 Mapping	59
Seeing the Unseen: Contrast-Free MRI for Predicting Thrombolytic Susceptibility	53
Interesting Cause of Pseudopleural Effusion: Giant Left Atrium	49
Usefulness of Aortic Valve Calcification in Patients With Low-Flow Aortic Stenosis	49
Echocardiography: Past, Present, and Future	48
Prognostic Utility of Quantitative Perfusion PET in Patients With Prior CABG: Incremental Value of Myocardial Flow Reserve and Coronary Vascular Resistance	48
Cardiac Magnetic Resonance Imaging Techniques and Applications for Pericardial Diseases	45
‘Form fruste’ Aortoventricular Tunnel: Preoperative Computed Tomographic Virtual Dissection Defines This Unusual Variant	44
Primary Atriopathy in Mitral Valve Prolapse: Echocardiographic Evidence and Clinical Implications	42
Correction to: Mahmod et al, “Differentiating Left Ventricular Remodeling in Aortic Stenosis From Systemic Hypertension”	41
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	37
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:	37
Chronic Subepicardial Hematoma: A Multimodality Imaging Diagnostic Approach After Elective Percutaneous Transluminal Coronary Angioplasty	36
Left Atrial Strain During Exercise: A Window to Atrioventricular Coupling in Heart Failure	35
Ultrafast Myocardial Contrast Echocardiography for the Assessment of Coronary Artery Disease: First In-Human Study	35
Positron Emission Tomography Imaging of Vessel Wall Matrix Metalloproteinase Activity in Abdominal Aortic Aneurysm	35
Aortitis in Disguise: Cardiomyopathy in a Child With Takayasu Arteritis	35
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	35
Stress-Only CMR Perfusion: Ready for Clinical Application?	33
Correction to: Left Atrial Reservoir Strain-Based Left Ventricular Diastolic Function Grading and Incident Heart Failure in Hypertrophic Cardiomyopathy	33

In This Issue of the Journal	33
In This Issue of the Journal	32
Mitral Stenosis and Pulmonary Pressure: Rewriting the Classics or Stuck in the Past?	32
Early Appearance of Myocardial Fibrosis in Restrictive Diabetic Cardiomyopathy	31
Modeling of the Tricuspid Valve and Right Ventricle in Hypoplastic Left Heart Syndrome With a Fontan Circulation	29
Elevated Lipoprotein(a) With Zero Coronary Artery Calcium: A Silent Threat or a Clinical Paradox?	29