What are the two randomized studies that evaluated the WATCHMAN device?
The two randomized studies that evaluated the WATCHMAN (Atritech, Inc) device vs warfarin are the Watchman Left Atrial Appendage System for Embolic Protection in Patients with Atrial Fibrillation (PROTECT AF) and the Evaluation of the WATCHMAN LAA Closure Device in Patients With Atrial Fibrillation Versus Long Term Warfarin Therapy (PREVAIL AF).446-452