【摘要】 应用射频导管消蚀（ＲＦＣＡ）治疗４例小儿特发性室性心动过速（ＩＶＴ），旨在探讨ＲＦＣＡ对小儿ＩＶＴ的疗效。采用起搏标测法对室性心动过速（ＶＴ）进行标测和消蚀。经上述方法消蚀失败的左室间隔下部ＶＴ改用束支改良法，３例消蚀成功。随访１７～２０个月，１例复发，经再次消蚀成功。提示，射频消蚀可有效治疗小儿特发性室性心动过速。更多还原

【Abstract】 Thepresentstudywasundertakentoevaluatetherapeuticefectofradiofrequencycatherablation(RFCA)onidiopathicventriculartachycardia(IVT)inchildren.Tolocateventricu-larectopicfocuswiththehelpofendocardialpacemappingweperformedRFCAfor4childrenforcureofIVT.Threecasesweresuccessfulyablated,ofwhomhad1recurrencewithina17to20monthsfolow-upandwasonceagainsuccessfulyablated.Thetotalsuccessratewas75percent.OurpreliminarystudysuggestthatRFCAissafeandefectiveintreatmentofIVTinchildren.更多还原