
Pacing-induced cardiomyopathy (PIC) is a condition that leads to increased morbidity and mortality. Unfortunately, it is not uncommon after implantation of a pacemaker with a right ventricular lead. Right ventricular pacing creates a delayed electrical activation, leading to dyssynchronous contraction, and it is a known risk factor for PIC. Left bundle branch area pacing (LBBAP) is a form of pacing that delivers a physiological activation of the left ventricle. The lead is implanted deep in the septum and captures the left bundle branch of the conduction system. This allows for a synchronous electrical activation of the ventricles. LBBAP has shorter ventricular activation time and less dyssynchronous contraction compared to right ventricular pacing. Recently, studies have shown that the long-term electrical parameters are comparable to right ventricular leads. Randomized trials are underway to compare LBBAP with right ventricular pacing and biventricular pacing.
Bundle of His, Pacemaker, Artificial, Electrocardiography, Heart Ventricles, Bundle-Branch Block, Cardiac Pacing, Artificial, Humans, Cardiomyopathies
Bundle of His, Pacemaker, Artificial, Electrocardiography, Heart Ventricles, Bundle-Branch Block, Cardiac Pacing, Artificial, Humans, Cardiomyopathies
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