医学
心房颤动
心脏病学
内科学
心脏复律
电复律
优势比
冲程(发动机)
机械工程
工程类
作者
Joanna Jaroch,Aleksandra Kamińska-Kegel,B Brzezińska,Ewa Kruszyńska,Zbigniew Bociąga,Krzysztof Dudek,Krystyna Łoboz−Grudzień
出处
期刊:Polskie Archiwum Medycyny Wewnetrznej-polish Archives of Internal Medicine
日期:2016-01-22
被引量:5
摘要
Evidence of left atrial appendage thrombogenic milieu (LAA TM) on transesophageal echocardiography (TEE) is recognized as a surrogate marker for an increased stroke risk. Although the CHA2DS2-VASc scale is commonly used as a measure of thromboembolic risk in patients with atrial fibrillation (AF), it was shown to have only low-to-moderate ability to predict the presence of LAA TM. The potential role of transthoracic echocardiography (TTE) in the refinement of clinical scales for the detection of LAA TM in patients with AF has been readdressed recently.The aim of the study was to identify the predictors of LAA TM among the components of the CHA2DS2-VASc scale and TTE parameters in patients scheduled for electrical cardioversion due to persistent AF.We conducted a retrospective analysis of demographic, clinical, laboratory, echocardiographic, and medication data of 202 patients (123 men and 79 women; mean age, 65.6 years) with persistent AF, who underwent TEE before electrical cardioversion.Duration of AF exceeding 1 year (odds ratio [OR] = 13.9; P = 0.02), left atrial diameter exceeding 51 mm (OR = 3.98; P = 0.009), left ventricular end-diastolic dimension (LVEDd) exceeding 52 mm (OR = 2.42; P = 0.01), and radiographic evidence of aortic plaques (OR = 2.97; P = 0.007) were shown to be independent predictors of LAA TM in a multivariate regression analysis.The CHA2DS2-VASc scale did not predict the presence of LAA TM on TEE in patients scheduled for electrical cardioversion due to persistent AF. Of the CHA2DS2-VASc components, only radiographic evidence of aortic plaques, and of TTE parameters, only left atrial enlargement and LVEDd were independent predictors of LAA TM. A comprehensive clinical and echocardiographic assessment of individual risk is indicated in patients before electrical cardioversion due to persistent AF.
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