ArticleQuantitative imaging in medicine and surgery2023
Feasibility and safety of a percutaneous and non-fluoroscopic procedure for left atrial appendage closure in patients for whom fluoroscopy presents risk: a cohort study.
Article in Quantitative imaging in medicine and surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Most patients undergoing left atrial appendage closure (LAAC) are older adult individuals with atrial fibrillation (AF) and many comorbidities, which may elevate the risk for complications associated with contrast agents with the fluoroscopic image-guided procedure. This retrospective cohort study of patients with AF at high risk for use of contrast agents compared the feasibility and safety of LAAC using percutaneous and non-fluoroscopic procedure with transesophageal echocardiography (TEE) as the only image guidance relative to those under fluoroscopic image guidance. Methods: In this retrospective study, we enrolled 126 patients with AF who underwent LAAC from September 2017 to December 2020. Patients were divided into 2 groups based on the imaging guidance modality: a TEE group (n=32) and a fluoroscopic group (n=94). We analyzed the differences in complete closure rates and device- and procedure-related complications between the 2 groups. Continuous variables were assessed using the Student Results: Propensity-score matching yielded 25 pairs of patients with similarly distributed age (72.9±6.9 Conclusions: In patients with AF of high risk for use of contrast agents, LAAC under non-fluoroscopic guidance appears feasible and safe with similar outcomes to that under fluoroscopic guidance.
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