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人参总皂甙对犬心室纤颤阈值的影响
引用本文:吴清华,熊华峰,等.人参总皂甙对犬心室纤颤阈值的影响[J].江西医学院学报,1989,29(1):4-8.
作者姓名:吴清华  熊华峰  
作者单位:第二附属医院心血管病研究室
摘    要:心室纤颤阈值(Ventricular Fibrillation Throeshold,VFT)是目前抗心律失常药物药效评定方法之一,本利用序贯性R/T刺激法测定VFT,发现静脉注射人参总皂甙20mg/kg,可显提高犬正常和急性缺血心脏的VFT。同时可使右心室有效不应期延长,但不影响QTC。

关 键 词:心室纤颤  人参总皂甙  心室纤颤阀值  抗心律失常药  心肌缺血  动物实验

Effects of Ginsenosides on Ventricular Fibrillation Threshold in Dogs
Wu Qinghua Long Yidao Yap Luyuan Luo Wei Xiong Huafeng Zeng Jianying Xiao Lumin.Effects of Ginsenosides on Ventricular Fibrillation Threshold in Dogs[J].Acta Academiae Medicinae Jiangxi,1989,29(1):4-8.
Authors:Wu Qinghua Long Yidao Yap Luyuan Luo Wei Xiong Huafeng Zeng Jianying Xiao Lumin
Abstract:The effect of ginsenosides on the ventricular fibrillation threshold (VFT) in both normal and ischemic hearts of dogs were observed.The VFT was determined by sequential R/T pulsing.Ginsenosides (20mg/kg) increased significantly the VFT in both normal and acute ischemic hear- ts and hearts after having been treated by autonomic blockers,propra- nolol and atropine sulfate.We also found that ginsenosides prolonged t- he right ventricular effective refractory period (ERP).The results sug- gested that ginsenosides can exert a protective effect on ventricular fibrillation,especially in early acute myocardial infarction.
Keywords:ginseng  ponins/pharmacodynamics  ventricular fibrillation/physiopat hology  subliminal stimulation  propranolol/pharmacodynamics  atropine/pharmacodynamics  animals  laboratory  dogs
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