Left Atrial Appendage Occlusion for The Unmet Clinical Needs of Stroke Prevention in Nonvalvular Atrial Fibrillation David R. Holmes, MD, Mohamad Alkhouli, MD, Vivek Reddy, MD Mayo Clinic Proceedings Volume 94, Issue 5, Pages 864-874 (May 2019) DOI: 10.1016/j.mayocp.2018.09.025 Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 1 Adherence to antithrombotic therapy for stroke prevention in patients with atrial fibrillation in clinical practice. NOAC = novel oral anticoagulation. Mayo Clinic Proceedings 2019 94, 864-874DOI: (10.1016/j.mayocp.2018.09.025) Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 2 Source of cardiac emboli and confirmation of the role of left atrial appendage exclusion for stroke prevention in patients with atrial fibrillation. A, Origin of cardiac emboli in patients with atrial fibrillation (Blackshear et al3). B, Confirmation of the role of left atrial appendage exclusion for stroke prevention in patients with atrial fibrillation (Reddy et al12). CVA = cerebrovascular accident; LAA = left atrial appendage. Mayo Clinic Proceedings 2019 94, 864-874DOI: (10.1016/j.mayocp.2018.09.025) Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 3 Patient-level meta-analysis of the randomized clinical trials comparing the Watchman device with warfarin for stroke prevention in patients with atrial fibrillation. CV = cardiovascular; HR = hazard ratio; MRS = Modified Rankin Score; SE = systemic embolization. Mayo Clinic Proceedings 2019 94, 864-874DOI: (10.1016/j.mayocp.2018.09.025) Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 4 Procedural success rates in patients undergoing percutaneous left atrial appendage occlusion with the Watchman device in randomized clinical trials and prospective registries. ASAP = ASA Plavix Feasibility Study With WATCHMAN Left Atrial Appendage Closure Technology; CAP = Continuous Access Registry; EWOLUTION = Registry on WATCHMAN Outcomes in Real-Life Utilization; FDA = Food and Drug Administration; PAF = PROTECT AF (WATCHMAN Left Atrial Appendage System for Embolic PROTECTion in Patients With Atrial Fibrillation) trial; PREVAIL = Evaluation of the WATCHMAN Left Atrial Appendage (LAA) Closure Device in Patients With Atrial Fibrillation Versus Long Term Warfarin Therapy; WASP = Registry on Watchman Outcomes in Real-Life Utilization. Mayo Clinic Proceedings 2019 94, 864-874DOI: (10.1016/j.mayocp.2018.09.025) Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions