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 2022-05-01 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
Prognostic Significance of Noninvasive Simultaneous Renal and Cardiac Perfusion: Interrogating Mechanisms of Cardiovascular-Kidney Interactions	46
Routine Coronary Atherosclerosis Imaging in the Cardiovascular Risk Assessment of Prediabetes and Diabetes	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
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
Unique Case of Coronary Artery Rupture and Acute Myocardial Infarction Triggered by a Karate Punch: Evaluation of the Hit Site by CT Imaging	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
Stress-Only CMR Perfusion: Ready for Clinical Application?	38
Complete Resolution of Technetium Pyrophosphate Uptake After Treatment of Transthyretin Cardiac Amyloidosis	38
Mitral Stenosis and Pulmonary Pressure: Rewriting the Classics or Stuck in the Past?	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: Mahmod et al, “Differentiating Left Ventricular Remodeling in Aortic Stenosis From Systemic Hypertension”	32
Correction to: Left Atrial Reservoir Strain-Based Left Ventricular Diastolic Function Grading and Incident Heart Failure in Hypertrophic Cardiomyopathy	32
Not All Prognostic Tools Are Equal: A Sex-Specific Approach to ASCVD Primary Prevention	31
Deep Learning-Derived Cardiac Chamber Volumes and Mass From PET/CT Attenuation Scans: Associations With Myocardial Flow Reserve and Heart Failure	29
Left Atrial Strain During Exercise: A Window to Atrioventricular Coupling in Heart Failure	29
Ultrafast Myocardial Contrast Echocardiography for the Assessment of Coronary Artery Disease: First In-Human Study	27
Imaging for Transcatheter Mitral Valve Edge-to-Edge Repair for an Unusual Cause of Cardiogenic Shock	27
Positron Emission Tomography Imaging of Vessel Wall Matrix Metalloproteinase Activity in Abdominal Aortic Aneurysm	26
Higher Life-Course Blood Pressure Associates With Reduced Myocardial Perfusion in Older Age: Insights From MyoFit46	25
Increased Venous Volumes in Response to Catheter-Based Intervention for Acute PE: Lessons From the OPTALYSE PE Trial (OPTALYSE-3D)	24
Spontaneously Healed Arterial Thrombosis at Birth	24
Multicenter Evaluation of Myocardial Flow Reserve as a Prognostic Marker for Mortality in ¹³ N-Ammonia PET Myocardial Perfusion Imaging	24
Response to Letter Regarding Article, “Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients”	23
Attenuating Postinfarction Left Ventricular Remodeling: New Mechanisms, Old Challenges	23
How to Use Imaging: Complex Cases of Atherosclerosis, Myocardial Inflammation, and Cardiomyopathy in Cardio-Oncology	23
Is Right Ventricular Strain the New TAPSE to Estimate Right Ventricular Arterial Coupling in Children?	23
Inheritance of Imaging Parameters of Arrhythmic Risk in Mitral Valve Prolapse: A Pedigree Study	22
Absolute Myocardial Blood Flow Quantification With PET: Should Diagnostic Cutoffs Be Tracer Specific?	21
Relationship of Ketosis With Myocardial Glucose Uptake Among Patients Undergoing FDG PET/CT for Evaluation of Cardiac Sarcoidosis	21
Correction to: Hepatic T1-Time Predicts Cardiovascular Risk in All-Comers Referred for Cardiovascular Magnetic Resonance: A Post-Hoc Analysis	21
Hepatic Tissue Alterations in STEMI: New Insights Into the Prognostic Significance of Cardio-Hepatic Interplay	21
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2022-2023	21
Comparison of Stress-Rest and Stress-LGE Analysis Strategy in Patients Undergoing Stress Perfusion Cardiovascular Magnetic Resonance	20
Impact of Carrying DNMT3A or TET2 Mutations on Plaque Characteristics and Prognosis in Patients With STEMI Based on OCT	20
4D-Flow Cardiovascular Magnetic Resonance Versus 3D Transesophageal Echocardiography in Multifenestrated Atrial Septal Defect	20
Longitudinal Assessment of Subclinical Arterial Inflammation in Patients Receiving Immune Checkpoint Inhibitors by Sequential [ ¹⁸ F]FDG PET Scans	20
Explainable Artificial Intelligence and Cardiac Imaging: Toward More Interpretable Models	19
Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab	19
3D Reconstruction of Pulmonary Vascular Lesions in Chronic Thromboembolic Pulmonary Hypertension	18
Sudden Cardiac Arrest With Acute Myocardial Infarction Due to Myocardial Bridging and Hypertrophic Cardiomyopathy	18
Three-Dimensional Multimodality Image-Guided Transcatheter Device Closure of Ruptured Aortic Sinus of Valsalva Aneurysm	17
Right Ventricular Function: Deep Learning’s Prognostic Edge in Mitral Regurgitation	17
Left Ventricular Hypertrophy Following Aortic Valve Replacement: Bruce Banner or the Hulk?	17
Intracardiac Echocardiography in Alterra Prestent Constrained by the Native Pulmonary Valve Leaflet	17
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
In This Issue of the Journal	17
Diffusion Tensor MRI of the Heart: The Toolbox Continues to Grow	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
Age- and Sex-Specific Myocardial Blood Flow Values in Patients Without Coronary Atherosclerosis on Rb-82 PET Myocardial Perfusion Imaging	16
New Kid on the Block: Double-Peak Strain Pattern in Arrhythmic Mitral Valve Prolapse	16
Gene Silencing Therapy in Hereditary (Variant) Transthyretin Cardiac Amyloidosis: A Puzzling Case of Decreasing Pyrophosphate Uptake on Scintigraphy	16
Deep Learning–Enabled Assessment of Right Ventricular Function Improves Prognostication After Transcatheter Edge-to-Edge Repair for Mitral Regurgitation	15
Prognostic Value of Modified Coronary Flow Capacity Derived From [ ¹⁵ O]H ₂ O Positron Emission Tomography Perfusion Imaging	15
Two Facets of Shear Stress Post Drug Coating Balloon: Angiography Versus Optical Coherence Tomography Fusion Approach	15
Differences in Myocardial Remodeling and Tissue Characteristics in Chronic Isolated Aortic and Mitral Regurgitation	15
Left Atrial Strain Predicts Subclinical Atrial Fibrillation Detected by Long-term Continuous Monitoring in Elderly High-Risk Individuals	15
Deep Learning and Artificial Intelligence: What Does the Cardiologist Really Need to Know?	14
[ ^99m Tc]-PentixaTec SPECT/CT for Imaging of Chemokine Receptor 4 Expression After Myocardial Infarction	14

L’Équilibre Périlleux: Mental Stress and Inflammation in Women	14
Machine Learning and Bias in Medical Imaging: Opportunities and Challenges	14
Prevalence of Left Ventricular Noncompaction in Newborns	14
Tissue-Based Predictors of Impaired Right Ventricular Strain in Coronary Artery Disease: A Multicenter Stress Perfusion Study	14
Pericardial Late Gadolinium Enhancement After Cardiac Surgery: Defining Disease Begins With Understanding Normal	13
Function Follows Form: The Relationship Between Right Ventricular Shape and Adverse Outcomes in Patients With Hypoplastic Left Heart Syndrome	13
Unraveling Sex Differences in Layered Plaque in Chronic Coronary Syndromes	13
Feasibility and Diagnostic Performance of Functional SYNTAX Score Derived From Dynamic CT Myocardial Perfusion Imaging	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
Imaging of the Acute and Chronic Cardiovascular Complications of Radiation Therapy	13
Moving Beyond Right Ventricular Ejection Fraction: Incremental Prognostic Role of Right Ventricular Strain on Postcardiac Transplant Outcomes	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
In This Issue of the Journal	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
Multimodality Imaging in a Case of Muscular Outlet Ventricular Septal Defect With Aortic Regurgitation due to Right Sinus of Valsalva Aneurysm Herniation	12
Rare Cardiac Duo: Double Orifice Mitral Valve and Bicuspid Aortic Valve	12
Cardiovascular Molecular Imaging With Fluorine-19 MRI: The Road to the Clinic	12
Assessing LV Contractility Identifies Populations With Preserved Ejection Fraction at Risk of Adverse Heart Failure Outcomes	11
Entropy in Hypertrophic Cardiomyopathy: A New Layer in Risk Stratification for Sudden Cardiac Death	11
Subclinical Leaflet Thrombosis After Transcatheter Pulmonary Valve Implantation: Two Clinical Concerns	11
Artificial Intelligence-Enhanced Analysis of Echocardiography-Based Radiomic Features for Myocardial Hypertrophy Detection and Etiology Differentiation	11
Myocardial Infarction in the Absence of Obstructive Coronary Artery Disease Due to Coronary Embolism Clarified by Cardiac Computed Tomography	11
Transcatheter Tricuspid Valve-in-Valve Intervention for Severe Bioprosthetic Structural Valve Deterioration in a Cardiac Allograft	11
Impact of Echocardiographic Probability of Pulmonary Hypertension on Prognosis and Outcomes Among Patients With Myeloproliferative Neoplasms	11
Theranostic Contribution of Extracellular Matrix Metalloprotease Inducer-Paramagnetic Nanoparticles Against Acute Myocardial Infarction in a Pig Model of Coronary Ischemia-Reperfusion	11
Race and Ethnic-Specific Burden of Aortic Valve Calcium and Its Association With Long-Term Aortic Stenosis: Multi-Ethnic Study of Atherosclerosis	11
CMR Findings in the Long-Term Outcomes After Multisystem Inflammatory Syndrome in Children (MUSIC) Study	11
Left Atrial Strain in the Assessment of Diastolic Function in Heart Failure: A Machine Learning Approach	10
Can We Make the Next Step in Precision Risk Stratification of Dilated Cardiomyopathy?	10
Identifying People at High Risk for Severe Aortic Stenosis: Aortic Valve Calcium Versus Lipoprotein(a) and Low-Density Lipoprotein Cholesterol	10
Predictors of Major Adverse Cardiovascular Events in Patients With Moderate Aortic Stenosis: Implications for Aortic Valve Replacement	10
Coronary Computed Tomography Angiography Versus Invasive Coronary Angiography in Stable Chest Pain: A Meta-Analysis of Randomized Controlled Trials	10
Progressive LV Dysfunction and Adverse Outcomes After Aortic Valve Replacement With Bioprosthetic Valves in Young Patients	10
Aortic Valve Calcification: Clarifying Severity and Prognosis in Low-Flow Aortic Stenosis	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
Sex-Specific Prognostic Differences Between CACS and Lp(a) in Atherosclerotic Cardiovascular Disease Events: The MESA Study	10
In This Issue of the Journal	9
Multiparametric Strategy to Predict Early Disease Decompensation in Asymptomatic Severe Aortic Regurgitation	9
In This Issue of the Journal	9
Flow by Any Other Name: A Correlative Assessment of Multimodality Myocardial Flow	9
Good Things in Small Packages: Growth and Potential of Theragnostic Platforms in Cardiovascular Medicine	9
Pericardial Cyst or Something Else? Do Not Forget Echocontrast in the Drawer!	9
In This Issue of the Journal	9
Inflammatory Myofibroblastic Tumor Mimicking Pulmonary Artery Sarcoma and Causing Pulmonary Artery Obstruction: A Rare Case Report	9
Long-term Consequence of Mediastinal Radiation Therapy for Thymoma on Cardiovascular System Confirmed by Cardiovascular Imaging	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
Prognostic Value of PET-Derived Myocardial Flow Reserve in Patients With Very High Coronary Artery Calcium Score	8
Lipoprotein(a) and Coronary Plaque in Asymptomatic Individuals: The Miami Heart Study at Baptist Health South Florida	8
Optimal Echocardiographic Parameters to Improve the Diagnostic Yield of Tc-99m-Bone Avid Tracer Cardiac Scintigraphy for Transthyretin Cardiac Amyloidosis	8
Thin Disguise: Workup of a Left Atrial Appendage Anomaly	8
In This Issue of the Journal	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
Characteristics of Coronary Atherosclerosis Related to Plaque Burden Regression During Treatment With Alirocumab: The ARCHITECT Study	8
Minimally Invasive Diagnosis of a Cardiac Mass: Resolving Clinical-Imaging Discordance	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
In This Issue of the Journal	8
Single Meandering Right Pulmonary Vein With Potential Systemic Arterial Fistula: Serial Cardiac MRI Assessment With 4D Flow Characterization	8
Race- and Sex-Specific Age at Which Coronary Artery Calcium Becomes Detectable Among Young Adults	8
Ruptured Left Sinus of Valsalva Aneurysm With Concomitant Aortic Stenosis Treated by TAVR: CT and TEE Findings	8
Phospholamban Cardiomyopathy: Unveiling a Distinct Phenotype Through Heart Failure Stages Progression	8
Atrial Functional Mitral Regurgitation	7
Atypical Subendocardial Late Gadolinium Enhancement in Anderson-Fabry Cardiomyopathy	7
AI-Quantitative CT Coronary Plaque Features Associate With a Higher Relative Risk in Women: CONFIRM2 Registry	7
Impact of Virtual Reality on Transcatheter Aortic Valve Implantation: A Prospective Randomized Controlled Trial	7
Vasospastic Angina: How Much Can We Know Before Provocative Testing?	7
Sex Differences in the Density of Lipidic Plaque Materials: Insights From the REASSURE-NIRS MultiCenter Registry	7
Ischemia-Guided Management Using Cardiac SPECT: Reconciling Real-World Evidence in a Post-ISCHEMIA Trial World	7
Increasing Extracellular Volume Fraction on Coronary CTA in Patients With Coronary Microvascular Dysfunction	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
Benign or Malignant Cardiac Mass: Refining the Role of Cardiac Magnetic Resonance	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
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
Platypnea-Orthodeoxia Syndrome After Esophageal Dilation in a Patient With a Dilated Ascending Aorta	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
Multimodality Imaging in MIS-C Recovery: Complementary Insights From Echocardiography and Cardiac MRI	6

How to Use Imaging: Cardiac Sarcoidosis	6
Aortic Valve Calcium in Relation to Subclinical Cardiac Dysfunction and Risk of Heart Failure	6
Myocardial Blood Flow in Patients Without Coronary Artery Disease: Slowing Down With Age	6
In This Issue of the Journal	6
Potential Life-Threatening Complication After Transacatheter Aortic Valve Replacement: A Pseudoaneurysm of the Interventricular Septum	6
Cave Under the Aortic Valve: The Rare Left Ventricular Outflow Tract Pseudoaneurysm With Thrombosis	6
Improving Clinical Utility of Fetal Cine CMR Using Deep Learning Super-Resolution	6
Continuing the Quest to Refine Coronary Risk Stratification	6
Eosinophilic Myocarditis Complicated by Massive Right Ventricular Thrombus	6
Circulation: Cardiovascular Imaging’s Top 10 Reviewers of 2024-2025	6
Nuances in Defining Normal Ranges for Chamber Quantification With Cardiovascular Magnetic Resonance	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
Fatal Pulmonary Embolism Resulting From a Popliteal Venous Aneurysm	6
Cardiac Involvement in Chronic Aortic Regurgitation: Interpreting a Novel Staging Framework	6
Long-Term Follow-Up in Severe Mitral Stenosis With Low Transmitral Diastolic Pressure Gradient: From MASTER Registry	6
Impact of Absolute Myocardial Blood Flow Quantification on the Diagnostic Performance of PET-Based Perfusion Scans Using ⁸² Rubidium	6
Diagnosis of Acute Cholecystitis Using T1 and T2 Mapping by Cardiac MRI	6
Reduction in Afterload Reveals the Apical Sparing Phenotype	6
Coronary Artery Embolism Secondary to Q Fever Endocarditis	6
Diffusion Tensor CMR Assessment of the Microstructural Response to Dobutamine Stress in Health and Comparison With Patients With Recovered Dilated Cardiomyopathy	6
Beware Before Mitral Balloon Valvuloplasty: Parachute Mitral Valve Can Mimic Rheumatic Mitral Stenosis	6
Unexpected Left Ventricle Pseudoaneurysm With Unusual Origin: History of a Diseased Annulus Broken Into a Diseased Myocardium	6