Circulation

Natural History of Patients With Histologically Proven Acute Eosinophilic Myocarditis

BACKGROUND: No large registries of patients with acute eosinophilic myocarditis (EM) are available. However, EM is perceived as a cardiac disease with high mortality, affecting mai...

Bradycardia in Athletes: Prevalence, Mechanisms, and Risks

BACKGROUND: Sinus bradycardia is a well-recognized physiological adaptation in endurance athletes, primarily attributed to sinus node remodeling or increased vagal modulation. Alth...

Letter by Zhao Regarding Article, “Device-Related Complications in Transvenous Versus Subcutaneous Defibrillator Therapy During Long-Term Follow-Up: The PRAETORIAN-XL Trial”

Endothelial Transcription Factor EB Protects Against Doxorubicin-Induced Endothelial Toxicity and Cardiac Dysfunction

BACKGROUND: Doxorubicin (DOX), an effective chemotherapeutic drug for various cancers, has been demonstrated to induce cardiovascular toxicity in cancer survivors. Endothelial cell...

Letter by Shi and Zeng Regarding Article, “Partnership Model of Regionalized Care for Congenital Heart Disease in Resource-Limited Settings: Results From the ASSIST Project”

Letter by Yu and Li Regarding Article, “The Impact of Fontan Circulatory Failure on Heart Transplant Survival: A 20-Center Retrospective Cohort Study”

Bradycardia in Athletes: New Insights

Abundance of Naturally Occurring Mononuclear Diploid Cardiomyocytes Is Associated With Cardiac Regeneration

Correction to: Histone Lactylation–Mediated Metabolic Remodeling in Vascular Smooth Muscle Cells Aggravates Aortic Aneurysm and Dissection by Promoting Lactate Accumulation

Correction to: Selective mRNA Translation: A New Player in Ferroptosis After Myocardial Infarction

Microplastics and Nanoplastics: A New Perspective in Cardiovascular Prevention

Response by Schumacher and Cousino to Letter Regarding Article, “The Impact of Fontan Circulatory Failure on Heart Transplant Survival: A 20-Center Retrospective Cohort Study”

Correction to: Abstract Sun602: Lower Survival After Out-of- Hospital Cardiac Arrest in Older Females: The Joint Effect of Age and Sex

Myocardial Recovery With Mechanical Circulatory Support Is Linked to Alternative Splicing and Subcellular Localization of CAMK2D

BACKGROUND: Cardiac reverse remodeling occurs in a small subset of patients with heart failure treated with guideline-directed therapies. This phenomenon, which is defined by reduc...

2026 Heart Disease and Stroke Statistics: A Report of US and Global Data From the American Heart Association

BACKGROUND: The American Heart Association annually reports the most up-to-date statistics related to heart disease, stroke, and cardiovascular risk factors, including core health...

Response by de Veld et al to Letter Regarding Article, “Device-Related Complications in Transvenous Versus Subcutaneous Defibrillator Therapy During Long-Term Follow-Up: The PRAETORIAN-XL Trial”

Response by Shi and Chen to Letter Regarding Article, “Partnership Model of Regionalized Care for Congenital Heart Disease in Resource-Limited Settings: Results From the ASSIST Project”