Background: Peridevice leak (PDL) after left atrial appendage closure (LAAC) portends adverse outcomes.
Objective: The purpose of this study was to assess the incidence, predictors, clinical implications, and temporal evolution of PDL after LAAC.
Methods: This single-center retrospective study included all patients who underwent LAAC with Watchman FLX and had no PDL detected at the time of implantation.