Risk Assessment of Sudden Cardiac Death in Patients with Atrial Fibrillation Using CHA2DS2-VASc score

Manoj Shrestha, Bibek Luitel
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Abstract

IntroductionProbability of sudden cardiac death is more in patient with atrial fibrillation than those without this condition. CHA2DS2-VASc score can be useful to predict the likelihood of sudden cardiac death among the patients with atrial fibrillation. The current study aims to evaluate the diagnostic value of the CHA2DS2-VASC score in anticipating sudden cardiac death among admitted patients with atrial fibrillation.MethodsThe study was conducted for three months i.e. from 16th May 2023 till 17th August 2023. In this research 150 patients fulfilling inclusion criteria were taken. Patient details, ECG features and risk factors were evaluated. CHA2DS2-VASc score was determined and the findings were analyzed statistically.ResultsThe study population constituted 60% males and 40% female with mean age of 58.9±10.99. The mean CHA2DS2-VASc score was 3.2±2.8. 25.3% of patients with atrial fibrillation had sudden cardiac death. For prediction of sudden cardiac death, CHA2DS2-VASc score had a sensitivity of 78.3%, specificity of 82.3%, positive predictive value of 59.1%, negative predictive value 92% and a diagnostic accuracy of 81.3% for predicting risk of sudden cardiac death.ConclusionsThe diagnostic accuracy of the CHA2DS2-VASc score was 81.3% among patients having atrial fibrillation for predicting sudden cardiac death, making it an effective predictor.
应用CHA2DS2-VASc评分评价心房颤动患者心源性猝死的风险
心房颤动患者发生心源性猝死的概率高于无心房颤动患者。CHA2DS2-VASc评分可用于预测心房颤动患者发生心源性猝死的可能性。本研究旨在评价CHA2DS2-VASC评分在预测房颤住院患者心源性猝死中的诊断价值。方法研究为期3个月,即2023年5月16日至2023年8月17日。本研究选取符合入选标准的150例患者。评估患者详细信息、心电图特征和危险因素。测定CHA2DS2-VASc评分,并对结果进行统计学分析。结果研究人群男性占60%,女性占40%,平均年龄58.9±10.99岁。平均CHA2DS2-VASc评分为3.2±2.8。25.3%的房颤患者发生心源性猝死。预测心源性猝死风险,CHA2DS2-VASc评分敏感性为78.3%,特异性为82.3%,阳性预测值为59.1%,阴性预测值为92%,诊断准确率为81.3%。结论CHA2DS2-VASc评分对房颤患者心源性猝死的预测准确率为81.3%,是一种有效的预测指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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