“…, Stefan Bertog, MD 1,3 , Timothy Betts, MD 4 , Neil Wilson, MD 1,5 , Saul Myerson, MD closure is at least as safe and effective as anticoagulation with warfarin with regard to all-cause mortality and stroke risk [5]. LAA-occlusion devices have a fixed shape designed to provide an effective seal and stable positioning, but this may not take into account significant variability in LAA shape, orientation, and structure.…”