Why the study?
Conduction system pacing is an alternative to RV pacing to help prevent pacemaker-associated cardiomyopathy, but data on LBBP in pediatric and congenital populations remain limited.
Does left bundle branch pacing improve left ventricular function in pediatric patients with congenital heart disease and pacemaker-associated cardiomyopathy?
Does left bundle branch pacing improve left ventricular function in pediatric patients with congenital heart disease and pacemaker-associated cardiomyopathy?
Left bundle branch pacing can improve left ventricular function in pediatric patients with congenital heart disease and pacemaker-induced cardiomyopathy.
May offer benefit in pacemaker cardiomyopathy; hypothesis-generating for pediatric congenital heart disease.
Conduction system pacing involving either His bundle pacing (HBP) or left bundle branch pacing (LBBP) is a modality that has been introduced as a safe and effective alternative to right ventricular (RV) pacing to help prevent pacemaker-associated cardiomyopathy. While HBP has been employed in the pediatric and congenital populations, several small studies have shown LBBP to be safe and effective in the pediatric population. We present a patient with congenital atrioventricular block and postoperative ventricular septal defect repair cardiomyopathy with subsequent left ventricular function improvement following a transition from an RV epicardial pacemaker system to an LBBP system. This case report serves as a foundation for a review of the current state of LBBP in pediatrics and congenital heart disease.
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Scott et al. (2024) studied this question.
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