OOIR: Observatory of International Research

Papers

(The TQCC of Circulation-Cardiovascular Imaging is 6. 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
In This Issue of the Journal	122
Value of Ischemia in Prognosis and Guiding Revascularization Among Patients With Chronic Coronary Artery Disease	98
Imaging-Based FFR: How Many Steps Toward Replacement for Wire-Based FFR on A Journey of A Thousand Miles	75
Seeing the Unseen: Contrast-Free MRI for Predicting Thrombolytic Susceptibility	74
Interesting Cause of Pseudopleural Effusion: Giant Left Atrium	73
Combined Anatomic and Functional Testing Identifies Patients With Obstructive Coronary Artery Disease Who Benefit From Revascularization	66
Routine Coronary Atherosclerosis Imaging in the Cardiovascular Risk Assessment of Prediabetes and Diabetes	66
‘Form fruste’ Aortoventricular Tunnel: Preoperative Computed Tomographic Virtual Dissection Defines This Unusual Variant	59
Usefulness of Aortic Valve Calcification in Patients With Low-Flow Aortic Stenosis	55
Primary Atriopathy in Mitral Valve Prolapse: Echocardiographic Evidence and Clinical Implications	54
Prognostic Utility of Quantitative Perfusion PET in Patients With Prior CABG: Incremental Value of Myocardial Flow Reserve and Coronary Vascular Resistance	52
MRI-Extracellular Volume Fraction Versus Histological Amyloid Load in Cardiac Amyloidosis: The Importance of T2 Mapping	48
Past, Present, and Future of Evaluating Diastolic Function	46
Prognostic Significance of Noninvasive Simultaneous Renal and Cardiac Perfusion: Interrogating Mechanisms of Cardiovascular-Kidney Interactions	45
Echocardiography: Past, Present, and Future	44
Beyond the Lumen: Physiological Surveillance of the Cardiac Allograft	43
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:	42
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	42
Chronic Subepicardial Hematoma: A Multimodality Imaging Diagnostic Approach After Elective Percutaneous Transluminal Coronary Angioplasty	40
Complete Resolution of Technetium Pyrophosphate Uptake After Treatment of Transthyretin Cardiac Amyloidosis	39
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	39
Stress-Only CMR Perfusion: Ready for Clinical Application?	38
Aortitis in Disguise: Cardiomyopathy in a Child With Takayasu Arteritis	36
Mitral Stenosis and Pulmonary Pressure: Rewriting the Classics or Stuck in the Past?	36
Multicenter Evaluation of Myocardial Flow Reserve as a Prognostic Marker for Mortality in ¹³ N-Ammonia PET Myocardial Perfusion Imaging	35

Elevated Lipoprotein(a) With Zero Coronary Artery Calcium: A Silent Threat or a Clinical Paradox?	32
In This Issue of the Journal	32
Not All Prognostic Tools Are Equal: A Sex-Specific Approach to ASCVD Primary Prevention	31
Imaging for Transcatheter Mitral Valve Edge-to-Edge Repair for an Unusual Cause of Cardiogenic Shock	29
Early Appearance of Myocardial Fibrosis in Restrictive Diabetic Cardiomyopathy	29
Positron Emission Tomography Imaging of Vessel Wall Matrix Metalloproteinase Activity in Abdominal Aortic Aneurysm	29
Deep Learning-Derived Cardiac Chamber Volumes and Mass From PET/CT Attenuation Scans: Associations With Myocardial Flow Reserve and Heart Failure	28
Increased Venous Volumes in Response to Catheter-Based Intervention for Acute PE: Lessons From the OPTALYSE PE Trial (OPTALYSE-3D)	28
Correction to: Mahmod et al, “Differentiating Left Ventricular Remodeling in Aortic Stenosis From Systemic Hypertension”	28
Impact of the 2025 ASE Guidelines on the Classification of LV Diastolic Dysfunction in the Community: A Project Baseline Health Study	27
Ultrafast Myocardial Contrast Echocardiography for the Assessment of Coronary Artery Disease: First In-Human Study	26
Left Atrial Strain During Exercise: A Window to Atrioventricular Coupling in Heart Failure	26
Modeling of the Tricuspid Valve and Right Ventricle in Hypoplastic Left Heart Syndrome With a Fontan Circulation	26
Response to Letter Regarding Article, “Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients”	25
Higher Life-Course Blood Pressure Associates With Reduced Myocardial Perfusion in Older Age: Insights From MyoFit46	25
How to Use Imaging: Complex Cases of Atherosclerosis, Myocardial Inflammation, and Cardiomyopathy in Cardio-Oncology	25
Spontaneously Healed Arterial Thrombosis at Birth	25
Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab	24
Letter by Dyar and Oxborough Regarding Article, “Assessing Left Atrial Volume Indexation to Predict Mortality in Individuals With Overweight or Obesity”	24
Inheritance of Imaging Parameters of Arrhythmic Risk in Mitral Valve Prolapse: A Pedigree Study	23
Is Right Ventricular Strain the New TAPSE to Estimate Right Ventricular Arterial Coupling in Children?	23
4D-Flow Cardiovascular Magnetic Resonance Versus 3D Transesophageal Echocardiography in Multifenestrated Atrial Septal Defect	22
3D Reconstruction of Pulmonary Vascular Lesions in Chronic Thromboembolic Pulmonary Hypertension	22
Comparison of Stress-Rest and Stress-LGE Analysis Strategy in Patients Undergoing Stress Perfusion Cardiovascular Magnetic Resonance	22
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2022-2023	22
Correction to: Hepatic T1-Time Predicts Cardiovascular Risk in All-Comers Referred for Cardiovascular Magnetic Resonance: A Post-Hoc Analysis	21
Absolute Myocardial Blood Flow Quantification With PET: Should Diagnostic Cutoffs Be Tracer Specific?	21
Hepatic Tissue Alterations in STEMI: New Insights Into the Prognostic Significance of Cardio-Hepatic Interplay	21
Attenuating Postinfarction Left Ventricular Remodeling: New Mechanisms, Old Challenges	20
Unmuting the Silent Progression of Tricuspid Regurgitation: The Forward-Flow Perspective on RV-PA Coupling	19
Longitudinal Assessment of Subclinical Arterial Inflammation in Patients Receiving Immune Checkpoint Inhibitors by Sequential [ ¹⁸ F]FDG PET Scans	19
Intracardiac Echocardiography in Alterra Prestent Constrained by the Native Pulmonary Valve Leaflet	19
Relationship of Ketosis With Myocardial Glucose Uptake Among Patients Undergoing FDG PET/CT for Evaluation of Cardiac Sarcoidosis	19
Impact of Carrying DNMT3A or TET2 Mutations on Plaque Characteristics and Prognosis in Patients With STEMI Based on OCT	19
Sudden Cardiac Arrest With Acute Myocardial Infarction Due to Myocardial Bridging and Hypertrophic Cardiomyopathy	19
Explainable Artificial Intelligence and Cardiac Imaging: Toward More Interpretable Models	19
In This Issue of the Journal	18
Right Ventricular Function: Deep Learning’s Prognostic Edge in Mitral Regurgitation	18
New Kid on the Block: Double-Peak Strain Pattern in Arrhythmic Mitral Valve Prolapse	18
Letter by Aldous et al Regarding Article, “Epicardial Adipose Tissue Assessed by Computed Tomography and Echocardiography Are Associated With Adverse Cardiovascular Outcomes: A Systematic Review and M	17
Three-Dimensional Multimodality Image-Guided Transcatheter Device Closure of Ruptured Aortic Sinus of Valsalva Aneurysm	17
Left Ventricular Hypertrophy Following Aortic Valve Replacement: Bruce Banner or the Hulk?	17
Gene Silencing Therapy in Hereditary (Variant) Transthyretin Cardiac Amyloidosis: A Puzzling Case of Decreasing Pyrophosphate Uptake on Scintigraphy	16
Response by Majmundar et al to Letter Regarding Article, “Predictors of Major Adverse Cardiovascular Events in Patients With Moderate Aortic Stenosis: Implications for Aortic Valve Replacement”	16
Two Facets of Shear Stress Post Drug Coating Balloon: Angiography Versus Optical Coherence Tomography Fusion Approach	16
[ ^99m Tc]-PentixaTec SPECT/CT for Imaging of Chemokine Receptor 4 Expression After Myocardial Infarction	16
L’Équilibre Périlleux: Mental Stress and Inflammation in Women	16
Deep Learning and Artificial Intelligence: What Does the Cardiologist Really Need to Know?	15
Standardized Acquisition of Fetal Cardiac Cine MRI: A Practical Guide	15
Differences in Myocardial Remodeling and Tissue Characteristics in Chronic Isolated Aortic and Mitral Regurgitation	15

Prognostic Value of Modified Coronary Flow Capacity Derived From [ ¹⁵ O]H ₂ O Positron Emission Tomography Perfusion Imaging	15
Deep Learning–Enabled Assessment of Right Ventricular Function Improves Prognostication After Transcatheter Edge-to-Edge Repair for Mitral Regurgitation	15
Tissue-Based Predictors of Impaired Right Ventricular Strain in Coronary Artery Disease: A Multicenter Stress Perfusion Study	15
Diffusion Tensor MRI of the Heart: The Toolbox Continues to Grow	14
Left Atrial Strain Predicts Subclinical Atrial Fibrillation Detected by Long-term Continuous Monitoring in Elderly High-Risk Individuals	14
Age- and Sex-Specific Myocardial Blood Flow Values in Patients Without Coronary Atherosclerosis on Rb-82 PET Myocardial Perfusion Imaging	14
Imaging of the Acute and Chronic Cardiovascular Complications of Radiation Therapy	14
Feasibility and Diagnostic Performance of Functional SYNTAX Score Derived From Dynamic CT Myocardial Perfusion Imaging	13
In This Issue of the Journal	13
Unraveling Sex Differences in Layered Plaque in Chronic Coronary Syndromes	13
Function Follows Form: The Relationship Between Right Ventricular Shape and Adverse Outcomes in Patients With Hypoplastic Left Heart Syndrome	13
Pericardial Late Gadolinium Enhancement After Cardiac Surgery: Defining Disease Begins With Understanding Normal	13
Multimodality Imaging in a Case of Muscular Outlet Ventricular Septal Defect With Aortic Regurgitation due to Right Sinus of Valsalva Aneurysm Herniation	13
Myocardial Flow Reserve, an Independent Prognostic Marker of All-Cause Mortality Assessed by ⁸² Rb PET Myocardial Perfusion Imaging: A Danish Multicenter Study	13
Machine Learning and Bias in Medical Imaging: Opportunities and Challenges	13
Rare Cardiac Duo: Double Orifice Mitral Valve and Bicuspid Aortic Valve	13
Moving Beyond Right Ventricular Ejection Fraction: Incremental Prognostic Role of Right Ventricular Strain on Postcardiac Transplant Outcomes	13
Subclinical Leaflet Thrombosis After Transcatheter Pulmonary Valve Implantation: Two Clinical Concerns	12
Race and Ethnic-Specific Burden of Aortic Valve Calcium and Its Association With Long-Term Aortic Stenosis: Multi-Ethnic Study of Atherosclerosis	12
Synthetic Contrast-Free LGE in Acute MI: Assessing the Promise and Boundaries of Diffusion-Based Modeling	12
Association of Tricuspid Regurgitation With Outcome in Acute Heart Failure	12
Entropy in Hypertrophic Cardiomyopathy: A New Layer in Risk Stratification for Sudden Cardiac Death	12
Transcatheter Tricuspid Valve-in-Valve Intervention for Severe Bioprosthetic Structural Valve Deterioration in a Cardiac Allograft	12
Rapid Plaque Progression Is Independently Associated With Hyperglycemia and Low HDL Cholesterol in Patients With Stable Coronary Artery Disease: A PARADIGM Study	12
Combined Assessment of Quantitative Coronary Plaque Characteristics and Perivascular Inflammation for Better Detection of High Risk	12
Myocardial Infarction in the Absence of Obstructive Coronary Artery Disease Due to Coronary Embolism Clarified by Cardiac Computed Tomography	12
Cardiovascular Molecular Imaging With Fluorine-19 MRI: The Road to the Clinic	12
Predictors of Major Adverse Cardiovascular Events in Patients With Moderate Aortic Stenosis: Implications for Aortic Valve Replacement	11
Assessing LV Contractility Identifies Populations With Preserved Ejection Fraction at Risk of Adverse Heart Failure Outcomes	11
Coronary Computed Tomography Angiography Versus Invasive Coronary Angiography in Stable Chest Pain: A Meta-Analysis of Randomized Controlled Trials	11
CMR Reveals the Influence of Trigger and Classification on the Myocardial Tissue Response in Takotsubo Syndrome	11
CMR Findings in the Long-Term Outcomes After Multisystem Inflammatory Syndrome in Children (MUSIC) Study	11
Aortic Valve Calcification Density Measured by MDCT in the Assessment of Aortic Stenosis Severity	11
Impact of Echocardiographic Probability of Pulmonary Hypertension on Prognosis and Outcomes Among Patients With Myeloproliferative Neoplasms	11
Can We Make the Next Step in Precision Risk Stratification of Dilated Cardiomyopathy?	10
In This Issue of the Journal	10
In This Issue of the Journal	10
Phospholamban Cardiomyopathy: Unveiling a Distinct Phenotype Through Heart Failure Stages Progression	10
Artificial Intelligence-Enhanced Analysis of Echocardiography-Based Radiomic Features for Myocardial Hypertrophy Detection and Etiology Differentiation	10
Letter by Natale et al Regarding Article, “Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab”	10
Pericardial Cyst or Something Else? Do Not Forget Echocontrast in the Drawer!	10
Inflammatory Myofibroblastic Tumor Mimicking Pulmonary Artery Sarcoma and Causing Pulmonary Artery Obstruction: A Rare Case Report	10
Flow by Any Other Name: A Correlative Assessment of Multimodality Myocardial Flow	10
Left Atrial Strain in the Assessment of Diastolic Function in Heart Failure: A Machine Learning Approach	10
Aortic Valve Calcification: Clarifying Severity and Prognosis in Low-Flow Aortic Stenosis	10
In This Issue of the Journal	10
Minimally Invasive Diagnosis of a Cardiac Mass: Resolving Clinical-Imaging Discordance	10
Ruptured Left Sinus of Valsalva Aneurysm With Concomitant Aortic Stenosis Treated by TAVR: CT and TEE Findings	9
Lipoprotein(a) and Coronary Plaque in Asymptomatic Individuals: The Miami Heart Study at Baptist Health South Florida	9
Characteristics of Coronary Atherosclerosis Related to Plaque Burden Regression During Treatment With Alirocumab: The ARCHITECT Study	9
Identifying People at High Risk for Severe Aortic Stenosis: Aortic Valve Calcium Versus Lipoprotein(a) and Low-Density Lipoprotein Cholesterol	9
Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients	9
Optimal Echocardiographic Parameters to Improve the Diagnostic Yield of Tc-99m-Bone Avid Tracer Cardiac Scintigraphy for Transthyretin Cardiac Amyloidosis	9
Prognostic Value of PET-Derived Myocardial Flow Reserve in Patients With Very High Coronary Artery Calcium Score	9
Race- and Sex-Specific Age at Which Coronary Artery Calcium Becomes Detectable Among Young Adults	9
Longitudinal [ ¹⁸ F]FDG PET/MR Assessment of Arterial Inflammation in Patients With Prostate Cancer Undergoing Androgen Deprivation Therapy	9
Multiparametric Strategy to Predict Early Disease Decompensation in Asymptomatic Severe Aortic Regurgitation	9
In This Issue of the Journal	8
Benign or Malignant Cardiac Mass: Refining the Role of Cardiac Magnetic Resonance	8
Letter by Geva Regarding Article, “Stroke Caused by a Paradoxical Embolus From a Rare Congenital Anomaly in the Adult: Persistent Left Superior Vena Cava Draining Into the Left Upper Pulmonary Vein”	8
Sex Differences in the Density of Lipidic Plaque Materials: Insights From the REASSURE-NIRS MultiCenter Registry	8
Atrial Functional Mitral Regurgitation	8
AI-Quantitative CT Coronary Plaque Features Associate With a Higher Relative Risk in Women: CONFIRM2 Registry	8
In This Issue of the Journal	8
Thin Disguise: Workup of a Left Atrial Appendage Anomaly	8
Single Meandering Right Pulmonary Vein With Potential Systemic Arterial Fistula: Serial Cardiac MRI Assessment With 4D Flow Characterization	8
Impact of Sex and Cardiovascular Risk Factors on Myocardial T1, Extracellular Volume Fraction, and T2 at 3 Tesla: Results From the Population-Based, Hamburg City Health Study	8
Increasing Extracellular Volume Fraction on Coronary CTA in Patients With Coronary Microvascular Dysfunction	8
Impact of Virtual Reality on Transcatheter Aortic Valve Implantation: A Prospective Randomized Controlled Trial	8
Ischemia-Guided Management Using Cardiac SPECT: Reconciling Real-World Evidence in a Post-ISCHEMIA Trial World	8
Long-term Consequence of Mediastinal Radiation Therapy for Thymoma on Cardiovascular System Confirmed by Cardiovascular Imaging	8
Sex-Specific Prognostic Differences Between CACS and Lp(a) in Atherosclerotic Cardiovascular Disease Events: The MESA Study	8
Prognostic Value of Coronary Flow Capacity by ⁸² Rb PET in Patients With Suspected Coronary Artery Disease and Normal Myocardial Perfusion at Semiquantitative Imagin	8
Atypical Subendocardial Late Gadolinium Enhancement in Anderson-Fabry Cardiomyopathy	8
Neonatal Sepsis With Pericardial Involvement: Serial Echocardiography Reveals the Evolution of Pericarditis	8
Response by Chong et al to Letter Regarding Article, “Epicardial Adipose Tissue Assessed by Computed Tomography and Echocardiography Are Associated With Adverse Cardiovascular Outcomes: A Systematic R	8
Potential Life-Threatening Complication After Transacatheter Aortic Valve Replacement: A Pseudoaneurysm of the Interventricular Septum	7
Eosinophilic Myocarditis Complicated by Massive Right Ventricular Thrombus	7
Beware Before Mitral Balloon Valvuloplasty: Parachute Mitral Valve Can Mimic Rheumatic Mitral Stenosis	7
Aortic Valve Calcium in Relation to Subclinical Cardiac Dysfunction and Risk of Heart Failure	7

Coronary Artery Embolism Secondary to Q Fever Endocarditis	7
Vasospastic Angina: How Much Can We Know Before Provocative Testing?	7
Fatal Pulmonary Embolism Resulting From a Popliteal Venous Aneurysm	7
Myocardial Blood Flow in Patients Without Coronary Artery Disease: Slowing Down With Age	7
Diffusion Tensor CMR Assessment of the Microstructural Response to Dobutamine Stress in Health and Comparison With Patients With Recovered Dilated Cardiomyopathy	7
Long-Term Follow-Up in Severe Mitral Stenosis With Low Transmitral Diastolic Pressure Gradient: From MASTER Registry	7
Beyond Myocarditis: Exploring the Vascular Impact of Immune Checkpoint Inhibitors	7
High-Intensity Lipid-Lowering Therapies: An Opportunity for Improving Cardiovascular Outcomes in Postmenopausal Women?	7
In This Issue of the Journal	7
Nuances in Defining Normal Ranges for Chamber Quantification With Cardiovascular Magnetic Resonance	7
Cardiac Involvement in Chronic Aortic Regurgitation: Interpreting a Novel Staging Framework	7
Unexpected Left Ventricle Pseudoaneurysm With Unusual Origin: History of a Diseased Annulus Broken Into a Diseased Myocardium	7
Three-Dimensional Modeling Prior to Stage 1 Palliation in a Patient With Heterotaxy Syndrome: Planning for the Future	7
Unifying Diagnosis Explaining Multiorgan Clinical Manifestations: The Unique Case of Antiphospholipid Syndrome Leading to MINOCA	7
Prediction of Cardiac Resynchronization Therapy Response Using a Lead Placement Score Derived From 4-Dimensional Computed Tomography	6
Diagnosis of Acute Cholecystitis Using T1 and T2 Mapping by Cardiac MRI	6
First-In-Human Study of [ ⁶⁴ Cu]Cu-DOTATATE PET/CT in Infective Endocarditis: A Prospective Head-to-Head Comparison With [ ¹⁸ F]FD	6
Platypnea-Orthodeoxia Syndrome After Esophageal Dilation in a Patient With a Dilated Ascending Aorta	6
Giant Hemorrhagic Pericardial Cyst Mimicking Primary Cardiac Lymphoma by Coronary Artery Encasement	6
Editors and Editorial Board	6
Molecular Imaging of Valvular Diseases and Cardiac Device Infection	6
Left Bundle Branch Block and Cardiac Resynchronization Therapy: Effector or Bystander?	6
Multimodality Imaging in MIS-C Recovery: Complementary Insights From Echocardiography and Cardiac MRI	6
Low Contrast Photon-Counting Detector CT Using Spectral Information to Enhance Structural Heart Intervention Planning	6
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2024-2025	6
Improving Clinical Utility of Fetal Cine CMR Using Deep Learning Super-Resolution	6
Coronary Artery Calcium Density in Clinical Risk Prediction: Ready for Primetime?	6
Cave Under the Aortic Valve: The Rare Left Ventricular Outflow Tract Pseudoaneurysm With Thrombosis	6
Is PET the Best Screening Tool for Cardiac Assessment Prior to Renal Transplant?	6
Disentangling Fact From Fiction: Sex-Specific Characteristics of Coronary Artery Disease	6
Utility of ¹³ N-Ammonia Positron Emission Tomography to Visualize the Therapeutic Effect: A Case With Anteroseptal Myocardial Infarction and Implanted Autologous Ske	6
Assessing Atrial Strain to Predict Atrial Fibrillation: Do We Have to See the Whole Staircase to Take the First Step?	6
Impact of Absolute Myocardial Blood Flow Quantification on the Diagnostic Performance of PET-Based Perfusion Scans Using ⁸² Rubidium	6
How to Use Imaging: Cardiac Sarcoidosis	6
Early RV Reverse Remodeling Following Transcatheter Tricuspid Valve Replacement	6