RT Journal Article SR Electronic A1 Rizzo, Toni T1 Successful LAA Exclusion with AtriClip JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 21 SP 11 OP 12 DO 10.1177/155989771421005 UL http://mdc.sagepub.com/content/14/21/11.abstract AB This article discusses trials of the AtriClip nonpiercing, parallel-closure, left atrial appendage (LAA) surgical closure device for patients with atrial fibrillation. The goal of surgical closure of the LAA is to eliminate the entire trabeculated portion of the left atrium to decrease thromboembolic risk.