Safety and efficacy of early anticoagulation drug regimens after WATCHMAN left atrial appendage closure: three-month data from the EWOLUTION prospective, multicentre, monitored international WATCHMAN LAA closure registry

Martin W. Bergmann1*, MD, PhD, FESC; Timothy R. Betts2, MD, MBChB, FRCP; Horst Sievert3, MD, FESC, FACC, FSCAI; Boris Schmidt4, MD; Evgeny Pokushalov5, MD, PhD; Stephan Kische6, MD; Thomas Schmitz7, MD; Felix Meincke8, MD; Kenneth M. Stein9, MD, FACC, FHRS; Lucas V.A. Boersma10, MD, PhD, FESC; Hüseyin Ince11, MD