{"title":"[The antiarrhythmic action of the synthetic acetylcholine analog EDIHYP in calcium chloride- and strophanthin-induced heart rhythm disorders].","authors":"N A Abdikaliev, I Ia Kalvin'sh, F Z Meerson","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The experiments on Wistar rats and chinchilla rabbits showed that EDIHYP (5 mg/kg intravenously) completely prevented cardiac fibrillation and mortality in rats with calcium-chloride-induced arrhythmias, (CaCl2-200 mg/kg intravenously). Administration of atropine (0.1 mg/kg, if administered subcutaneously, 30 minutes before the acute experiment) exerts no influence on the drug's antiarrhythmic activity but eliminates its cholinergic component--salivation and lacrimation. When administered in the same dose EDIHYP to a great extent prevents oubaine (strophanthin)-induced arrhythmias in rabbits but fails to influence aconitine-induced arrhythmias. This suggests that EDIHYP's ability of direct or indirect blockade of slow Ca-channels underlies the mechanism of its antiarrhythmic action.</p>","PeriodicalId":12237,"journal":{"name":"Farmakologiia i toksikologiia","volume":"54 6","pages":"25-8"},"PeriodicalIF":0.0000,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Farmakologiia i toksikologiia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The experiments on Wistar rats and chinchilla rabbits showed that EDIHYP (5 mg/kg intravenously) completely prevented cardiac fibrillation and mortality in rats with calcium-chloride-induced arrhythmias, (CaCl2-200 mg/kg intravenously). Administration of atropine (0.1 mg/kg, if administered subcutaneously, 30 minutes before the acute experiment) exerts no influence on the drug's antiarrhythmic activity but eliminates its cholinergic component--salivation and lacrimation. When administered in the same dose EDIHYP to a great extent prevents oubaine (strophanthin)-induced arrhythmias in rabbits but fails to influence aconitine-induced arrhythmias. This suggests that EDIHYP's ability of direct or indirect blockade of slow Ca-channels underlies the mechanism of its antiarrhythmic action.
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