Why the study?
There is a lack of consensus regarding permanent pacemaker implantation for TAVR-related bundle branch blocks and no guidelines regarding leadless pacemaker use in this setting.
A leadless pacemaker may be a viable option for patients developing conduction abnormalities post-TAVR who do not require an atrial lead, especially when conventional pacemakers are unsuitable due to body habitus.
No consensus on post-TAVR pacing for LBBB/AVB requires cautious decisions; leaves open the role of leadless devices.
Cardiac conduction disturbances such as left bundle branch block (LBBB) and atrioventricular blocks (AVB) occur frequently following transcatheter aortic valve replacement (TAVR) and may be associated with adverse clinical events. There is a lack of consensus regarding permanent pacemaker implantation in the case of occurrence of TAVR-related bundle branch blocks or combination of AVB and bundle blocks. Furthermore, there are no guidelines regarding the use of the leadless pacemaker in this setting. We present a patient who underwent successful implantation of a leadless pacemaker for a new LBBB post-TAVR.
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Nandy et al. (2019) studied this question.
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