Clinical Research Directory

EndoVascular Aneurysm Repair: Heart Remodeling and Aortic Stiffness Study

Sponsor: Josip Juraj Strossmayer University of Osijek

Summary

Abdominal aortic aneurysm (AAA) is associated with a high burden of cardiovascular morbidity and mortality. Although endovascular aneurysm repair (EVAR) has become the preferred treatment for many patients with infrarenal AAA because of its lower perioperative risk, its impact on arterial stiffness and cardiac function remains insufficiently understood. Experimental and clinical evidence suggests that endograft implantation may increase aortic stiffness by reducing aortic compliance, potentially altering ventricular-arterial coupling and contributing to left ventricular remodeling and dysfunction. This prospective observational study aims to evaluate the effects of elective EVAR on aortic stiffness, left ventricular structure and function, and circulating biomarkers of myocardial stress and extracellular matrix remodeling. Patients with infrarenal AAA scheduled for elective EVAR will be assessed before the procedure and at 48 hours, 6 months, and 12 months after intervention. Aortic stiffness will be assessed using estimated carotid-femoral pulse wave velocity (cfPWV), while left ventricular function and remodeling will be evaluated by transthoracic echocardiography, including global longitudinal strain (GLS). Circulating NT-proBNP and MMP-3 concentrations will also be measured. The study will provide insight into the cardiovascular effects of EVAR and may improve understanding of procedure-related changes in arterial stiffness and cardiac remodeling, thereby supporting better long-term cardiovascular risk assessment and postoperative management in patients undergoing EVAR.

Official title: Impact of Endovascular Abdominal Aortic Aneurysm Repair on Aortic Stiffness and Left Ventricular Remodeling

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