The feasibility and safety of electrical cardioversion of atrial fibrillation in patients with left atrial appendage occlusion
Objective The purpose of this study was to assess the feasibility and safety of electrical cardioversion(ECV)in patients with left atrial appendage occluder implantation.Methods Twenty-five patients with left atrial appendage occluder implantation were enrolled in the ECV group undergoing ECV.The control group undergoing LAAO alone was formed by 1∶1 matching from 243 patients with occluder implantation without ECV.We record the incidences of major adverse events during the follow-up as the safety observation index,and the maintenance rate of sinus rhythm during the follow-up as the feasibility observation index.Results In the ECV group,the patient age is between 45 and 82 years old,and cardioversion was immediately successful in 21(84%)patients.At the Six-month follow-up,9 patients(36%)maintained sinus rhythm.During the follow-up,two patients in ECV group experienced bleeding and transient ischemic attack,respectively.There were three adverse events in the control group,including two cases of stroke and one device-related thrombosis.There was no significant difference in the incidence of adverse events between the two groups.Conclusion For atrial fibrillation(AF)patients with alone LAAO who are not suitable for catheter ablation in combination with LAAO treatment,but have the intention of cardioversion,ECV is safe and effective.
Atrial fibrillationDirect current cardioversionLeft atrial appendage occlusionSinus rhythm
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