Left Bundle Branch Pacing (LBBP) has emerged as one of the most commonly used physiological pacing modalities in clinical practice. However, the key determinants of procedural success lie in the accurate intraoperative identification of proper LBB lead positioning and the prevention of cardiac perforation. Our previous research has established a methodology for Lumenless Lead (LLL) implantation under the guidance of continuous pacing monitoring, and this methodology has been further adapted for Stylet-driven Lead (SDL) implantation. The present study is designed as a multicenter, randomized controlled trial, aiming to compare the differences in efficacy and safety between LLL and SDL during LBBP procedures guided by continuous pacing monitoring, with the presence of S-V dissociation serving as the criterion for confirming optimal LBB lead positioning.
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The primary efficacy endpoint
Timeframe: During the LBBP procedure
The primary safety endpoint
Timeframe: From start of the procedure to the end of follow-up at 6 months