Clinical Outcomes of Left Atrial Appendage Occlusion During Cardiac Surgery in Patients Without Atrial Fibrillation: A Systematic Review and Meta-Analysis.
BACKGROUND The left atrial appendage is the primary source of cardiac thrombi, and prophylactic exclusion during cardiac surgery may reduce thromboembolic risk. However, its benefit in patients without preoperative atrial fibrillation (AF) remains uncertain. METHODS We searched PubMed, Web of Science, EMBASE, and the...