Trends in Transesophageal Echocardiography Use, Findings, and Clinical Outcomes in the Era of Minimally Interrupted Anticoagulation for Atrial Fibrillation Ablation

JACC. Clinical Electrophysiology
Muhammad BalouchDavid Spragg

Abstract

This study assessed trends in transesophageal echocardiography (TEE) use, rate of left atrial appendage (LAA) thrombus detection, and incidence of periprocedural cerebrovascular accident (CVA) since transitioning to a strategy of uninterrupted warfarin or briefly interrupted novel oral anticoagulant therapy in 2010. TEE is routinely performed before ablation for atrial fibrillation (AF) to ensure absence of LAA thrombus. Patients with AF ablation presenting between January 2010 and September 2015 at Johns Hopkins Hospital were enrolled in an AF ablation registry; TEE and ablation outcomes were retrospectively analyzed. Presence of LAA thrombus, dense spontaneous echo contrast (SEC), or patent foramen ovale (PFO) were recorded. CVA incidence from procedure onset to 30 days post-procedure was evaluated using electronic medical record review. Pre-procedure TEE was performed in 646 of 1,224 AF ablation cases (52.8%). There was a decline in pre-procedure TEE use from 86% in 2010 to 42% in 2015 (p < 0.001). CVA incidence was 4/1,224 (0.33%) cases, and did not change during the study period. TEE findings included LAA thrombus (n = 6; 0.93%), PFO (n = 23; 3.6%), and dense spontaneous echo contrast (n = 99; 15.3%). Both SEC and LAA thro...Continue Reading

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Citations

Sep 13, 2019·Stroke; a Journal of Cerebral Circulation·Sérgio BarraRui Providência
Mar 20, 2020·European Journal of Preventive Cardiology·Xuan ZhangJian Yang
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