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CHA2DS2-VASc Score for Identifying Patients at High Risk of Postoperative Atrial Fibrillation After Cardiac Surgery: A Meta-analysis

医学 心房颤动 内科学 心脏病学 荟萃分析 心脏外科 外科
作者
Yunlin Chen,Mengying Zeng,Yuan Liu,Yanping Xu,Yang Bai,Li Cao,Zhiyu Ling,Jinqi Fan,Yuehui Yin
出处
期刊:The Annals of Thoracic Surgery [Elsevier BV]
卷期号:109 (4): 1210-1216 被引量:36
标识
DOI:10.1016/j.athoracsur.2019.07.084
摘要

BackgroundPostoperative atrial fibrillation (POAF) is a common complication after cardiac surgery, resulting in an increased risk of morbidity and longer hospital stay. Pharmacologic prophylaxis has been recommended to improve the outcome in patients at high risk of developing POAF after cardiac surgery. Several studies have applied the CHA2DS2-VASc (Congestive heart failure, Hypertension Age [≥65 = 1 point, ≥75 = 2 points], Diabetes, and Stroke/transient ischemic attack (2 points)–vascular disease [peripheral arterial disease, previous myocardial infarction, aortic atheroma]) score in the risk stratification of POAF but yielded contradicting results. This study aims to determine the association between CHA2DS2-VASc score and POAF and further to explore its discriminative ability for the prediction of POAF.MethodsWe systematically searched the Medline, Embase, Cochrane library, and other data sources with key terms “CHA2DS2-VASc,” “atrial fibrillation,” and “cardiac surgery.” Studies designed for CHA2DS2-VASc score in stratifying the risks of POAF in patients undergoing cardiac surgery were included. Statistical analyses were performed with R 3.5.1 and STATA 13.0.ResultsSeven hundred twenty-one studies were identified, of which 12 studies with 18,086 patients were finally included in our analysis. The CHA2DS2-VASc score was found to be an independent predictor of POAF after cardiac surgery (odds ratio, 1.46; 95% confidence interval [CI], 1.25-1.72) and exhibited a relatively strong specificity (0.70; 95% CI, 0.61-0.78) and sensitivity (0.72; 95% CI, 0.54-0.85) for predicting POAF. The bivariate model-based pooled area under the receiver operating curve was estimated to be 0.76 (95% CI, 0.72-0.79).ConclusionsThe CHA2DS2-VASc score has relatively good performance in predicting POAF after cardiac surgery and may help identify the patients at high risk of POAF. Postoperative atrial fibrillation (POAF) is a common complication after cardiac surgery, resulting in an increased risk of morbidity and longer hospital stay. Pharmacologic prophylaxis has been recommended to improve the outcome in patients at high risk of developing POAF after cardiac surgery. Several studies have applied the CHA2DS2-VASc (Congestive heart failure, Hypertension Age [≥65 = 1 point, ≥75 = 2 points], Diabetes, and Stroke/transient ischemic attack (2 points)–vascular disease [peripheral arterial disease, previous myocardial infarction, aortic atheroma]) score in the risk stratification of POAF but yielded contradicting results. This study aims to determine the association between CHA2DS2-VASc score and POAF and further to explore its discriminative ability for the prediction of POAF. We systematically searched the Medline, Embase, Cochrane library, and other data sources with key terms “CHA2DS2-VASc,” “atrial fibrillation,” and “cardiac surgery.” Studies designed for CHA2DS2-VASc score in stratifying the risks of POAF in patients undergoing cardiac surgery were included. Statistical analyses were performed with R 3.5.1 and STATA 13.0. Seven hundred twenty-one studies were identified, of which 12 studies with 18,086 patients were finally included in our analysis. The CHA2DS2-VASc score was found to be an independent predictor of POAF after cardiac surgery (odds ratio, 1.46; 95% confidence interval [CI], 1.25-1.72) and exhibited a relatively strong specificity (0.70; 95% CI, 0.61-0.78) and sensitivity (0.72; 95% CI, 0.54-0.85) for predicting POAF. The bivariate model-based pooled area under the receiver operating curve was estimated to be 0.76 (95% CI, 0.72-0.79). The CHA2DS2-VASc score has relatively good performance in predicting POAF after cardiac surgery and may help identify the patients at high risk of POAF.
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