完全性右束支传导阻滞与右心房增大的相关性研究
Chinese Journal of Cardiovascular Research（2022）
Abstract
目的 探讨完全性右束支传导阻滞(complete right bundle branch block,CRBBB)与右心房增大的相关性.方法 回顾分析2018年3月1日至3月31日我院住院诊疗的2394例患者的心电图记录,CRBBB定义为心电图QRS波持续时间≥120 ms,I、V6导联S波时限>R波时限,V1和(或)V2导联QRS波群呈RsR',R'>R.比较CRBBB与非CRBBB患者的临床资料,并采用单因素及多因素logistic回归分析,评估CRBBB的相关危险因素.结果 CRBBB患病率为1.5％(37/2394).与无CRBBB患者相比,CRBBB患者的年龄及左、右心房直径更大,心房颤动及瓣膜病的发病率更高.多因素logistic回归分析显示,右心房增大(OR=10.537,95％CI 5.332～20.821,P<0.001),年龄(OR=1.031,95％CI 1.005～1.058;P=0.019)、心房颤动(OR=3.251;95％CI 1.402～7.541;P=0.006)是CRBBB存在的独立相关因素.结论 在本研究人群中,CRBBB与右心房增大存在相关性.
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