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室性早搏诱发的心动过速性心肌病 被引量:41

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摘要 长期频发的室性早搏(PVC)可引起心肌病,其心脏征象和临床表现与扩张型心肌病一致,为心动过速性心肌病(TCM)。临床案例和不太多的病例研究证实射频消融PVC可逆转TCM。关于其发生机制尚不清楚,推测可能类似于长期快速性右室心尖部起搏导致的心功能不全。目前诊断PVC诱发的TCM,多是回顾性诊断,消除PVC逆传TCM即能确诊。因此,对于每天PVC≥5%的人,即使没有任何症状,需要跟踪随访,以防PVC诱发TCM;如果左室功能已经降低,而没有其他的心力衰竭病因,应考虑PVC诱发的TCM,并采用射频消融PVC治疗。
作者 黄从新
出处 《中国心脏起搏与心电生理杂志》 北大核心 2010年第3期189-190,共2页 Chinese Journal of Cardiac Pacing and Electrophysiology
作者简介 黄从新(1951-),男(汉族),湖北汉川人,教授,博士生导师,《中国心脏起搏与心电生理杂志》总编辑,医学博士,从事心脏疾病的基础与临床研究,尤其是介入心脏病学的研究。
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