RT Journal Article SR Electronic A1 Vinall, Maria T1 Watchman Superior to Warfarin for Stroke Prophylaxis in Atrial Fibrillation JF MD Conference Express YR 2013 FD SAGE Publications VO 13 IS 3 SP 20 OP 21 DO 10.1177/155989771303011 UL http://mdc.sagepub.com/content/13/3/20.abstract AB Long-term data from the Watchman Left Atrial Appendage System for Embolic Protection in Patients With Atrial Fibrillation trial [PROTECT AF; NCT00129545] indicate that left atrial appendage (LAA) closure with the Watchman provides superior protection from stroke compared with warfarin. The data also showed that Watchman LAA occlusion filter is associated with a 40% reduction in stroke/systemic embolism/cardiovascular (CV) death, a 60% reduction in CV mortality, and a 34% reduction in all-cause mortality.