Suboptimal Device Implantation May Increase the Occurrence of Device Thrombosis After Left Atrial Appendage Occlusion

We read with great interest the paper by Fauchier et al. [(1)][1] that assesses the rate of device-related thrombosis (DRT) after percutaneous left atrial appendage occlusion (LAAO) [(1)][1]. In their study, of 469 patients implanted with an LAAO device (272 Watchman [Boston Scientific, Marlborough