Key result
New-onset non-LBBB conduction disturbances after TAVR linked to PPMI.
Why the study?
Less attention has been paid to the clinical value of new-onset non-LBBB conduction disturbances, such as RBBB, LAFB, or AVB, regarding the need for permanent pacemaker implantation after TAVR.
Do new-onset non-LBBB conduction disturbances increase the risk of permanent pacemaker implantation after TAVR?
Observational
Do new-onset non-LBBB conduction disturbances increase the risk of permanent pacemaker implantation after TAVR?
This study investigates the previously underappreciated association between new-onset non-LBBB conduction disturbances and the need for permanent pacemaker implantation following TAVR.
Findings inconclusive without quantitative results; leaves open association of non-LBBB disturbances with post-TAVR pacemaker risk.
Transcatheteraortic valve replacement (TAVR) is a revolutionized treatment for severe aortic valve stenosis. Although new and improved TAVR devices are constantly being developed, cardiac conduction abnormalities post-TAVR requiring permanent pace14353maker implantation (PPMI) still occur frequently. Previously, pre-existing right bundle branch block (RBBB) has been shown to be predictive of PPMI after TAVR compared with patients without RBBB, while occurrence of new left bundle branch block (LBBB) was associated with a higher rate of PPMI. However, less attention has been paid to the clinical values of new onset non-LBBB conduction disturbances such as RBBB, left anterior fascicular block (LAFB) or atrioventricular block (AVB). To our knowledge, this is the first report focus on the association of new-onset non-LBBB and PPMI after TAVR. The study was approved by the Ethics Committee of HwaMei Hospital, University of Chinese Academy of Sciences.
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Wang et al. (2021) conducted an observational in severe aortic valve stenosis. new-onset non-LBBB conduction disturbances was evaluated on permanent pacemaker implantation (PPMI). The abstract investigates the association of new-onset non-LBBB conduction disturbances with permanent pacemaker implantation after TAVR, but reports no quantitative results.
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