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A total of 35,142 LAAO patients who underwent implantation of the LAAO device with the self-expanding nitinol frame with fixation barbs and a permeable polyester fabric cover were enrolled in the NCDR LAAO Registry between January 1, 2016 and November 31, 2018. After applying exclusions, 31,994 patients remained in the cohort.
LAAO = left atrial appendage occlusion; NCDR = National Cardiovascular Data Registry
