Biomarker changes after surgical left atrial appendage occlusion: a substudy of LAAOS III.
BACKGROUND The Left Atrial Appendage Occlusion Study (LAAOS) III showed that surgical left atrial appendage occlusion (LAAO) reduced ischemic stroke or systemic embolism (SE) in patients with atrial fibrillation undergoing cardiac surgery. OBJECTIVES To explore whether LAAO changes levels of circulating biomarkers of...