Research Letter

Lipoprotein(a) and Risk of Treated Ventricular Arrhythmias in Heart Failure

JAMA Network Open 10.1001/jamanetworkopen.2026.14674

May 26, 2026 at 11:00 AM EDT

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This cross-sectional study investigates the association between lipoprotein(a) levels and risk of ventricular arrhythmias among patients with heart failure with reduced ejection fraction receiving implantable cardioverter-defibrillator therapy.

Corresponding Author: Ramzi Ibrahim, MD, Department of Cardiovascular Medicine, Mayo Clinic, 13400 E Shea Blvd, Scottsdale, AZ 85259 (ibrahim.ramzi@mayo.edu).

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