左心房心外膜脂肪组织对急性非瓣膜病心房颤动患者电复律后复发的影响

Zhejiang Clinical Medical Journal(2020)

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Abstract
目的 评价CHA2DS2VASc评分0~1分急性非瓣膜病心房颤动(ANVAF)患者左心房心外膜脂肪组织(LA-EAT)与电复律后复发的相关性.方法 纳入CHA2DS2VASc评分0~1分行电复律的ANVAF患者180例,电复律后随访终点为3个月,根据动态心电图结果是否存在心房颤动(房颤)分为维持窦性心律组(对照组,n=79例)和复发组(n=101例),收集两组复律前后临床基线特征,复律后经64排多层螺旋CT重建左心房、肺静脉前庭及左心耳,测定LA-EAT总体积及各区域体积.结果 复发组病程、体重指数、平均心室率、第7d复发房颤及LA-EAT体积高于对照组(P<0.05).两组后壁与顶部区域LA-EAT体积最大(P<0.01),侧壁+左心耳区域LA-EAT体积次之(P<0.05),复发组侧壁+左心耳、前壁、后壁及顶部区域LA-EAT体积均高于对照组(P<0.05).多因素logistic回归分析显示LA-EAT体积(OR=2.25,95%CI?1.61~4.33,P<0.01)及第7天复发房颤(OR=1.34,95%CI?1.09~2.92,P<0.05)是预测CHA2DS2VASc评分0~1分ANVAF患者电复律后复发的独立危险因素.结论 CHA2DS2VASc评分0~1分ANVAF电复律后复发患者后壁及顶部区域LA-EAT体积较大,LA-EAT体积增大可增加电复律后短期复发风险.
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