OOIR: Observatory of International Research

Papers

(The TQCC of Circulation-Cardiovascular Imaging is 5. 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
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
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	37
Chronic Subepicardial Hematoma: A Multimodality Imaging Diagnostic Approach After Elective Percutaneous Transluminal Coronary Angioplasty	36
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
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
In This Issue of the Journal	33
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	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
Not All Prognostic Tools Are Equal: A Sex-Specific Approach to ASCVD Primary Prevention	28
Higher Life-Course Blood Pressure Associates With Reduced Myocardial Perfusion in Older Age: Insights From MyoFit46	27
Imaging for Transcatheter Mitral Valve Edge-to-Edge Repair for an Unusual Cause of Cardiogenic Shock	26
Deep Learning-Derived Cardiac Chamber Volumes and Mass From PET/CT Attenuation Scans: Associations With Myocardial Flow Reserve and Heart Failure	26
Complete Resolution of Technetium Pyrophosphate Uptake After Treatment of Transthyretin Cardiac Amyloidosis	25
Spontaneously Healed Arterial Thrombosis at Birth	24
Correction to: Hepatic T1-Time Predicts Cardiovascular Risk in All-Comers Referred for Cardiovascular Magnetic Resonance: A Post-Hoc Analysis	24
How to Use Imaging: Complex Cases of Atherosclerosis, Myocardial Inflammation, and Cardiomyopathy in Cardio-Oncology	24
Response to Letter Regarding Article, “Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients”	23
3D Reconstruction of Pulmonary Vascular Lesions in Chronic Thromboembolic Pulmonary Hypertension	23
4D-Flow Cardiovascular Magnetic Resonance Versus 3D Transesophageal Echocardiography in Multifenestrated Atrial Septal Defect	23
Inheritance of Imaging Parameters of Arrhythmic Risk in Mitral Valve Prolapse: A Pedigree Study	23
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2022-2023	22
In This Issue of the Journal	21
Is Right Ventricular Strain the New TAPSE to Estimate Right Ventricular Arterial Coupling in Children?	21
Attenuating Postinfarction Left Ventricular Remodeling: New Mechanisms, Old Challenges	21
Absolute Myocardial Blood Flow Quantification With PET: Should Diagnostic Cutoffs Be Tracer Specific?	20
Impact of Carrying DNMT3A or TET2 Mutations on Plaque Characteristics and Prognosis in Patients With STEMI Based on OCT	20
Relationship of Ketosis With Myocardial Glucose Uptake Among Patients Undergoing FDG PET/CT for Evaluation of Cardiac Sarcoidosis	20
Hepatic Tissue Alterations in STEMI: New Insights Into the Prognostic Significance of Cardio-Hepatic Interplay	19
Sudden Cardiac Arrest With Acute Myocardial Infarction Due to Myocardial Bridging and Hypertrophic Cardiomyopathy	19
Comparison of Stress-Rest and Stress-LGE Analysis Strategy in Patients Undergoing Stress Perfusion Cardiovascular Magnetic Resonance	19
Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab	19
Longitudinal Assessment of Subclinical Arterial Inflammation in Patients Receiving Immune Checkpoint Inhibitors by Sequential [ ¹⁸ F]FDG PET Scans	19
Explainable Artificial Intelligence and Cardiac Imaging: Toward More Interpretable Models	19
Right Ventricular Function: Deep Learning’s Prognostic Edge in Mitral Regurgitation	18
Intracardiac Echocardiography in Alterra Prestent Constrained by the Native Pulmonary Valve Leaflet	18
In This Issue of the Journal	17
Two Facets of Shear Stress Post Drug Coating Balloon: Angiography Versus Optical Coherence Tomography Fusion Approach	16
Left Ventricular Hypertrophy Following Aortic Valve Replacement: Bruce Banner or the Hulk?	16
L’Équilibre Périlleux: Mental Stress and Inflammation in Women	16
[ ^99m Tc]-PentixaTec SPECT/CT for Imaging of Chemokine Receptor 4 Expression After Myocardial Infarction	16
Differences in Myocardial Remodeling and Tissue Characteristics in Chronic Isolated Aortic and Mitral Regurgitation	15
Deep Learning and Artificial Intelligence: What Does the Cardiologist Really Need to Know?	15
Rare Cause of Acute Myocardial Infarction in Children: Congenital Hypoplastic Left Coronary Cusp Associated With a Small Opening Into the Left Coronary Sinus	15
Three-Dimensional Multimodality Image-Guided Transcatheter Device Closure of Ruptured Aortic Sinus of Valsalva Aneurysm	14
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”	14
Prevalence of Left Ventricular Noncompaction in Newborns	14
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	14
Tissue-Based Predictors of Impaired Right Ventricular Strain in Coronary Artery Disease: A Multicenter Stress Perfusion Study	14
Feasibility and Diagnostic Performance of Functional SYNTAX Score Derived From Dynamic CT Myocardial Perfusion Imaging	13
Myocardial Parametric Mapping by Cardiac Magnetic Resonance Imaging in Pediatric Cardiology and Congenital Heart Disease	13
Imaging of the Acute and Chronic Cardiovascular Complications of Radiation Therapy	13
Gene Silencing Therapy in Hereditary (Variant) Transthyretin Cardiac Amyloidosis: A Puzzling Case of Decreasing Pyrophosphate Uptake on Scintigraphy	13

Machine Learning and Bias in Medical Imaging: Opportunities and Challenges	13
Prognostic Value of Modified Coronary Flow Capacity Derived From [ ¹⁵ O]H ₂ O Positron Emission Tomography Perfusion Imaging	13
Age- and Sex-Specific Myocardial Blood Flow Values in Patients Without Coronary Atherosclerosis on Rb-82 PET Myocardial Perfusion Imaging	13
Deep Learning–Enabled Assessment of Right Ventricular Function Improves Prognostication After Transcatheter Edge-to-Edge Repair for Mitral Regurgitation	13
New Kid on the Block: Double-Peak Strain Pattern in Arrhythmic Mitral Valve Prolapse	13
Left Atrial Strain Predicts Subclinical Atrial Fibrillation Detected by Long-term Continuous Monitoring in Elderly High-Risk Individuals	13
In This Issue of the Journal	12
Rare Cardiac Duo: Double Orifice Mitral Valve and Bicuspid Aortic Valve	12
Multimodality Imaging in a Case of Muscular Outlet Ventricular Septal Defect With Aortic Regurgitation due to Right Sinus of Valsalva Aneurysm Herniation	12
Cardiovascular Molecular Imaging With Fluorine-19 MRI: The Road to the Clinic	12
Moving Beyond Right Ventricular Ejection Fraction: Incremental Prognostic Role of Right Ventricular Strain on Postcardiac Transplant Outcomes	12
Unraveling Sex Differences in Layered Plaque in Chronic Coronary Syndromes	12
Pericardial Late Gadolinium Enhancement After Cardiac Surgery: Defining Disease Begins With Understanding Normal	12
Rapid Plaque Progression Is Independently Associated With Hyperglycemia and Low HDL Cholesterol in Patients With Stable Coronary Artery Disease: A PARADIGM Study	11
CMR Findings in the Long-Term Outcomes After Multisystem Inflammatory Syndrome in Children (MUSIC) Study	11
Theranostic Contribution of Extracellular Matrix Metalloprotease Inducer-Paramagnetic Nanoparticles Against Acute Myocardial Infarction in a Pig Model of Coronary Ischemia-Reperfusion	11
Association of Tricuspid Regurgitation With Outcome in Acute Heart Failure	11
Myocardial Flow Reserve, an Independent Prognostic Marker of All-Cause Mortality Assessed by ⁸² Rb PET Myocardial Perfusion Imaging: A Danish Multicenter Study	11
Assessing LV Contractility Identifies Populations With Preserved Ejection Fraction at Risk of Adverse Heart Failure Outcomes	11
Function Follows Form: The Relationship Between Right Ventricular Shape and Adverse Outcomes in Patients With Hypoplastic Left Heart Syndrome	11
Impact of Echocardiographic Probability of Pulmonary Hypertension on Prognosis and Outcomes Among Patients With Myeloproliferative Neoplasms	11
Combined Assessment of Quantitative Coronary Plaque Characteristics and Perivascular Inflammation for Better Detection of High Risk	11
Can We Make the Next Step in Precision Risk Stratification of Dilated Cardiomyopathy?	10
Predictors of Major Adverse Cardiovascular Events in Patients With Moderate Aortic Stenosis: Implications for Aortic Valve Replacement	10
Transcatheter Tricuspid Valve-in-Valve Intervention for Severe Bioprosthetic Structural Valve Deterioration in a Cardiac Allograft	10
Subclinical Leaflet Thrombosis After Transcatheter Pulmonary Valve Implantation: Two Clinical Concerns	10
Aortic Valve Calcification Density Measured by MDCT in the Assessment of Aortic Stenosis Severity	10
Letter by Natale et al Regarding Article, “Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab”	10
Artificial Intelligence-Enhanced Analysis of Echocardiography-Based Radiomic Features for Myocardial Hypertrophy Detection and Etiology Differentiation	10
Left Atrial Strain in the Assessment of Diastolic Function in Heart Failure: A Machine Learning Approach	10
Coronary Computed Tomography Angiography Versus Invasive Coronary Angiography in Stable Chest Pain: A Meta-Analysis of Randomized Controlled Trials	10
Aortic Valve Calcification: Clarifying Severity and Prognosis in Low-Flow Aortic Stenosis	10
Myocardial Infarction in the Absence of Obstructive Coronary Artery Disease Due to Coronary Embolism Clarified by Cardiac Computed Tomography	10
Entropy in Hypertrophic Cardiomyopathy: A New Layer in Risk Stratification for Sudden Cardiac Death	10
Minimally Invasive Diagnosis of a Cardiac Mass: Resolving Clinical-Imaging Discordance	9
In This Issue of the Journal	9
Pericardial Cyst or Something Else? Do Not Forget Echocontrast in the Drawer!	9
Inflammatory Myofibroblastic Tumor Mimicking Pulmonary Artery Sarcoma and Causing Pulmonary Artery Obstruction: A Rare Case Report	9
Flow by Any Other Name: A Correlative Assessment of Multimodality Myocardial Flow	9
Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients	9
Good Things in Small Packages: Growth and Potential of Theragnostic Platforms in Cardiovascular Medicine	9
In This Issue of the Journal	9
In This Issue of the Journal	9
Sex-Specific Prognostic Differences Between CACS and Lp(a) in Atherosclerotic Cardiovascular Disease Events: The MESA Study	8
Phospholamban Cardiomyopathy: Unveiling a Distinct Phenotype Through Heart Failure Stages Progression	8
Multiparametric Strategy to Predict Early Disease Decompensation in Asymptomatic Severe Aortic Regurgitation	8
Thin Disguise: Workup of a Left Atrial Appendage Anomaly	8
Lipoprotein(a) and Coronary Plaque in Asymptomatic Individuals: The Miami Heart Study at Baptist Health South Florida	8
Characteristics of Coronary Atherosclerosis Related to Plaque Burden Regression During Treatment With Alirocumab: The ARCHITECT Study	8
Identifying People at High Risk for Severe Aortic Stenosis: Aortic Valve Calcium Versus Lipoprotein(a) and Low-Density Lipoprotein Cholesterol	8
Optimal Echocardiographic Parameters to Improve the Diagnostic Yield of Tc-99m-Bone Avid Tracer Cardiac Scintigraphy for Transthyretin Cardiac Amyloidosis	8
Race- and Sex-Specific Age at Which Coronary Artery Calcium Becomes Detectable Among Young Adults	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
Prognostic Value of PET-Derived Myocardial Flow Reserve in Patients With Very High Coronary Artery Calcium Score	8
In This Issue of the Journal	8
Atrial Functional Mitral Regurgitation	8
Platypnea-Orthodeoxia Syndrome After Esophageal Dilation in a Patient With a Dilated Ascending Aorta	7
In This Issue of the Journal	7
Ischemia-Guided Management Using Cardiac SPECT: Reconciling Real-World Evidence in a Post-ISCHEMIA Trial World	7
Differences in Prognostic Value of Myocardial Perfusion Single-Photon Emission Computed Tomography Using High-Efficiency Solid-State Detector Between Men and Women in a Large International Multicenter	7
Benign or Malignant Cardiac Mass: Refining the Role of Cardiac Magnetic Resonance	7
AI-Quantitative CT Coronary Plaque Features Associate With a Higher Relative Risk in Women: CONFIRM2 Registry	7
Single Meandering Right Pulmonary Vein With Potential Systemic Arterial Fistula: Serial Cardiac MRI Assessment With 4D Flow Characterization	7
Atypical Subendocardial Late Gadolinium Enhancement in Anderson-Fabry Cardiomyopathy	7
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	7
Prognostic Value of Coronary Flow Capacity by ⁸² Rb PET in Patients With Suspected Coronary Artery Disease and Normal Myocardial Perfusion at Semiquantitative Imagin	7
Long-term Consequence of Mediastinal Radiation Therapy for Thymoma on Cardiovascular System Confirmed by Cardiovascular Imaging	7
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”	7
Sex Differences in the Density of Lipidic Plaque Materials: Insights From the REASSURE-NIRS MultiCenter Registry	7
Increasing Extracellular Volume Fraction on Coronary CTA in Patients With Coronary Microvascular Dysfunction	7
High-Intensity Lipid-Lowering Therapies: An Opportunity for Improving Cardiovascular Outcomes in Postmenopausal Women?	6
Vasospastic Angina: How Much Can We Know Before Provocative Testing?	6
Unifying Diagnosis Explaining Multiorgan Clinical Manifestations: The Unique Case of Antiphospholipid Syndrome Leading to MINOCA	6
Impact of Absolute Myocardial Blood Flow Quantification on the Diagnostic Performance of PET-Based Perfusion Scans Using ⁸² Rubidium	6
Beyond Myocarditis: Exploring the Vascular Impact of Immune Checkpoint Inhibitors	6
Unexpected Left Ventricle Pseudoaneurysm With Unusual Origin: History of a Diseased Annulus Broken Into a Diseased Myocardium	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
Beware Before Mitral Balloon Valvuloplasty: Parachute Mitral Valve Can Mimic Rheumatic Mitral Stenosis	6
Eosinophilic Myocarditis Complicated by Massive Right Ventricular Thrombus	6
Three-Dimensional Modeling Prior to Stage 1 Palliation in a Patient With Heterotaxy Syndrome: Planning for the Future	6

Fatal Pulmonary Embolism Resulting From a Popliteal Venous Aneurysm	6
Molecular Imaging of Valvular Diseases and Cardiac Device Infection	5
Prediction of Cardiac Resynchronization Therapy Response Using a Lead Placement Score Derived From 4-Dimensional Computed Tomography	5
Multimodality Imaging in MIS-C Recovery: Complementary Insights From Echocardiography and Cardiac MRI	5
First-In-Human Study of [ ⁶⁴ Cu]Cu-DOTATATE PET/CT in Infective Endocarditis: A Prospective Head-to-Head Comparison With [ ¹⁸ F]FD	5
Reduction in Afterload Reveals the Apical Sparing Phenotype	5
Diffusion Tensor CMR Assessment of the Microstructural Response to Dobutamine Stress in Health and Comparison With Patients With Recovered Dilated Cardiomyopathy	5
Aortic Valve Calcium in Relation to Subclinical Cardiac Dysfunction and Risk of Heart Failure	5
Potential Life-Threatening Complication After Transacatheter Aortic Valve Replacement: A Pseudoaneurysm of the Interventricular Septum	5
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2024-2025	5
Cardiac CT Versus Transesophageal Echocardiography Following Left Atrial Appendage Closure: A Systematic Review and Meta-Analysis	5
Rare Pseudoaneurysms Complicating From Endocarditis	5
Left Bundle Branch Block and Cardiac Resynchronization Therapy: Effector or Bystander?	5
Improving Clinical Utility of Fetal Cine CMR Using Deep Learning Super-Resolution	5
Editors and Editorial Board	5
Long-Term Follow-Up in Severe Mitral Stenosis With Low Transmitral Diastolic Pressure Gradient: From MASTER Registry	5
Coronary Artery Embolism Secondary to Q Fever Endocarditis	5
Cardiac Involvement in Chronic Aortic Regurgitation: Interpreting a Novel Staging Framework	5
Diagnosis of Acute Cholecystitis Using T1 and T2 Mapping by Cardiac MRI	5
Cave Under the Aortic Valve: The Rare Left Ventricular Outflow Tract Pseudoaneurysm With Thrombosis	5
Association Between Systemic Vasculitis and Coronary Microvascular Dysfunction in the Absence of Obstructive Coronary Artery Disease	5
Sex-Specific Association Between Perivascular Inflammation and Plaque Vulnerability	5
Nuances in Defining Normal Ranges for Chamber Quantification With Cardiovascular Magnetic Resonance	5
Assessing Atrial Strain to Predict Atrial Fibrillation: Do We Have to See the Whole Staircase to Take the First Step?	5
How to Use Imaging: Cardiac Sarcoidosis	5
Coronary Artery Calcium Density in Clinical Risk Prediction: Ready for Primetime?	5
Myocardial Blood Flow in Patients Without Coronary Artery Disease: Slowing Down With Age	5
In This Issue of the Journal	5
Continuing the Quest to Refine Coronary Risk Stratification	5
Is PET the Best Screening Tool for Cardiac Assessment Prior to Renal Transplant?	5
Temporal Trends in Noninvasive and Invasive Cardiac Testing From 2010 to 2022 in the US Medicare Population	5