The Effect of Cardiac Rehabilitation on Ferroptosis in Patients With Coronary Artery Disease

Coronary artery disease (CAD) remains a major global health concern and is the leading cause of cardiovascular mortality worldwide. Cardiac rehabilitation (CR) is a comprehensive, evidence-based intervention that integrates exercise training with optimal medical management and has been shown to improve clinical outcomes in patients with CAD. The primary objective of this study is to investigate the effects of cardiac rehabilitation on ferroptosis, an iron-dependent form of regulated cell death, in patients with coronary artery disease. A total of 90 participants will be enrolled in the study after providing written informed consent. The study population will consist of three groups: 30 patients with CAD who participate in a cardiac rehabilitation program, 30 patients with CAD who voluntarily decline participation in cardiac rehabilitation, and 30 age- and sex-matched healthy volunteers without any known chronic disease. Peripheral venous blood samples will be collected from patients undergoing cardiac rehabilitation both before the initiation of the rehabilitation program and upon its completion. A single blood sample will be obtained from patients who decline participation in cardiac rehabilitation and from healthy control participants. To evaluate ferroptosis-related molecular alterations, the expression levels of the ferroptosis-associated genes GPX4, SLC7A11, ACSL4, FSP1, NRF2, TFRC, and NCOA4 will be analyzed. In addition, serum concentrations of ferroptosis-related bi…

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