Key result
Nonselective His bundle pacing demonstrated better interventricular synchrony and more physiological ventricular depolarization than left bundle branch pacing and left ventricular septal pacing.
Why the study?
Permanent cardiac pacing can cause heart failure through ventricular dyssynchrony, but the impact of recently introduced HBp, LBBp, and LVSP on ventricular dyssynchrony was not known.
How do ventricular depolarization patterns compare between His bundle pacing, left bundle branch pacing, and left ventricular septal pacing when assessed by ultra-high-frequency ECG?
Comparison
Ventricular depolarization during HBp vs LBBp vs LVSP assessed by UHF-ECG
Authors
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Nonselective His bundle pacing may yield superior UHF-ECG synchrony; hypothesis-generating and should not yet change practice versus left bundle branch pacing.
Observational
How do ventricular depolarization patterns compare between His bundle pacing, left bundle branch pacing, and left ventricular septal pacing when assessed by ultra-high-frequency ECG?
Ultra-high-frequency ECG can effectively assess electrical dyssynchrony in real-time, demonstrating that nonselective His bundle pacing provides better interventricular synchrony than left bundle branch or left ventricular septal pacing.
Čurila et al. (2021) conducted an observational in Permanent cardiac pacing. His bundle pacing (HBp), left bundle branch pacing (LBBp), and left ventricular myocardial septal pacing (LVSP) vs. Other right ventricular pacing locations was evaluated on Ventricular depolarization and interventricular synchrony assessed by UHF-ECG. Nonselective His bundle pacing demonstrated better interventricular synchrony and more physiological ventricular depolarization than left bundle branch pacing and left ventricular septal pacing.
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