Update in LV Only Fusion CRT Pacing: Annals and Future Perspectives

Overview

Journal Curr Health Sci J

Specialty General Medicine

Date 2024 Apr 1

PMID 38559824

Authors

Andra Gurgu

Lucian Petrescu

Constantin Tudor Luca

Cristina Vacarescu

Georgica Tartea

Emilia-Violeta Goanta

Liviu Cirin

Dragos Cozma

Affiliations

Soon will be listed here.

Abstract

Triple-chamber cardiac devices are utilized for cardiac resynchronization therapy (CRT) and is the standard-of-care therapy for heart failure (HF) patients in the current guidelines. In the setting of biventricular (BIV) pacing it involves a mandatory implantation of right ventricular (RV) lead that allows simultaneous BIV pacing with 0 ms VV (ventricular to ventricular) interval. Nevertheless, it seems that response to CRT is not related to RV lead position. RV pacing is known for deleterious effects on RV/Left Ventricle (LV) function and should not be used in persons with normal atrioventricular conduction (AV) and sinus rhythm. As it compensates for the additional asynchrony induced by unnecessary stimulation of RV pacing, only pacing the left ventricle (LV) may result in improved cardiac resynchronization therapy (CRT) outcomes and a decrease in the number of individuals who do not respond to the procedure. Furthermore, leadless LV fusion CRT pacing without RV lead could be a potential CRT therapy alternative to BIV pacing in nonischemic heart failure patients with preserved AV conduction. The aim of our study is to made an update in cardiac resynchronization therapy with LV only fusion pacing.

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