Outcomes after pacemaker implantation in patients with new-onset left bundle-branch block after transcatheter aortic valve replacement

Am Heart J. 2019 Dec:218:128-132. doi: 10.1016/j.ahj.2019.07.006.

Abstract

New-onset left bundle branch block (N-LBBB) after transcatheter aortic valve replacement (TAVR) is a challenging clinical dilemma. In our single-center study, 60 out of 172 patients who underwent permanent pacemaker implantation (PPM) after TAVR had N-LBBB (34.9%). At a median follow-up duration of 357 days (IQR, 178; 560 days), two patients (3.5%) were completely pacemaker-dependent, and four others (7%) were partially dependent. Twelve patients (24%) recovered conduction in their left bundle at a median follow-up duration of 5 weeks (IQR, 4; 14 weeks). Due to the lack of clinical predictors of pacemaker dependency, active surveillance is warranted and may be an alternative to permanent pacemaker implantation.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Aged, 80 and over
  • Bundle-Branch Block / etiology
  • Bundle-Branch Block / mortality
  • Bundle-Branch Block / therapy*
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Pacemaker, Artificial* / statistics & numerical data
  • Postoperative Complications / etiology
  • Postoperative Complications / mortality
  • Postoperative Complications / therapy*
  • Prosthesis Implantation / statistics & numerical data
  • Recovery of Function
  • Time Factors
  • Transcatheter Aortic Valve Replacement / adverse effects*
  • Transcatheter Aortic Valve Replacement / statistics & numerical data
  • Treatment Outcome