Clinical Research Directory

Impact of Atrioventricular Delay Optimization on Ventricular Function in Conduction System Pacing

Sponsor: Bursa Yuksek Ihtisas Training and Research Hospital

Summary

Conduction system pacing has emerged as a physiological pacing strategy that preserves ventricular electrical activation and minimizes pacing-induced dyssynchrony. However, the optimal atrioventricular delay setting in patients undergoing conduction system pacing remains uncertain. This study aims to evaluate the effects of individualized echocardiography-guided atrioventricular delay optimization on ventricular function and hemodynamic performance in patients with conduction system pacing. Echocardiographic parameters including global longitudinal strain, left ventricular ejection fraction, left ventricular outflow tract velocity-time integral, cardiac output, and diastolic function indices will be assessed before and after atrioventricular delay optimization. The study will investigate whether optimization of atrioventricular timing provides additional mechanical and hemodynamic benefits beyond physiological ventricular activation achieved by conduction system pacing alone.

Official title: The Effect Of Atrioventricular Delay Optimization On Ventricular Functions In Patients Undergoing Conduction System Pacing

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