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儿茶酚胺敏感性多形性室性心动过速的研究进展 被引量:10

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摘要 儿茶酚胺敏感性多形性室性心动过速(CPVT)是一种原发性心脏电紊乱,可能是非器质性心脏病患者发生猝死的重要原因。少年及成人均可患病。异常的RyR2通道或CASQ2蛋白在交感兴奋的条件下诱发的延迟后除极可能是CPVT发生的机制。任何患者无论年龄大小,只要是交感神经系统兴奋诱发的双向或多形性室性心动过速,无器质性心脏病且QT间期正常,都应考虑CPVT的诊断。β受体阻滞剂可以控制大部分患者的心动过速发作。CPVT患者发生过心脏骤停为埋藏式心脏转复除颤器(ICD)治疗的Ⅰ类适应证。服用β受体阻滞剂时出现晕厥者为ICD治疗的Ⅱa类适应证。对于致病基因的携带者,特别是儿童,都应服用β受体阻滞剂进行一级预防。
作者 孙奇 张澍
出处 《中国心脏起搏与心电生理杂志》 2007年第5期393-396,共4页 Chinese Journal of Cardiac Pacing and Electrophysiology
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