碎裂QRS波与肥厚型心肌病患者心肌纤维化/瘢痕的关系

被引：5

作者：

毛俊 ^{[1
]}

刘兴鹏 ^{[2
]}

闫倩 ^{[1
]}

张颖 ^{[1
]}

董建增 ^{[1
]}

马长生 ^{[1
]}

机构：

[1] 首都医科大学附属北京安贞医院心内科

[2] 首都医科大学附属北京朝阳医院心脏中心

来源：

中华心律失常学杂志 | 2012年 / 02期

关键词：

碎裂QRS波; 肥厚型心肌病; 心肌纤维化/瘢痕; 心脏磁共振延迟增强显像;

D O I：

暂无

中图分类号：

R542.2 [心肌疾病];

学科分类号：

1002 ; 100201 ;

摘要：

目的评价常规12导联心电图检出的碎裂QRS波(fragmented QRS complex,fQRS)与肥厚型心肌病患者心肌纤维化/瘢痕的关系。方法 91例肥厚型心肌病患者,通过心脏磁共振检查检出心肌纤维化/瘢痕。记录所有患者的常规12导联心电图,判读是否存在fQRS。结果 91例患者中,58例(63.7%)经由心脏磁共振检出了延迟增强(late gadolinium enhancement,LCE),其中19例(20.9%)心电图检出fQRS。LGE阳性患者的fQRS检出率显著高于LGE阴性患者(31.0%对3.0%,P=0.002)。在检出fQRS的19例患者中,18例(94.7%)检出了LGE。在检出LGE的患者中,fQRS阳性患者较fQRS阴性患者的LGE节段分布更为广泛(2.8±1.6对2.0±1.1,P=0.035)。fQRS在肥厚型心肌病患者中检出心肌纤维化/瘢痕的敏感性和特异性分别为31.0%和97.0%。结论常规12导联心电图上检出的fORS是肥厚型心肌病患者存在心肌纤维化/瘢痕的特异性指标,但其敏感性有限。

引用

页码：127 / 130

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