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   hydroalcoholic extract from rhizomes of cynodon dactylon improve hemodynamic and electrocardiogram parameters in myocardial infarction in rats  
   
نویسنده abbaszadeh samin ,garjani alireza ,nazemiyeh hossein ,ayadi sepideh ,mohajer milani majid ,soraya hamid
منبع pharmaceutical sciences - 2019 - دوره : 25 - شماره : 3 - صفحه:198 -204
چکیده    Background: cynodon dactylon is a herbal medicine of interest in iranian traditional medicine, which is used in cardiovascular diseases such as atherosclerosis and heart failure. the purpose of this study was to evaluate the effects of total extract of c. dactylon rhizomes on myocardial infarction and on post myocardial infarction (mi) heart tissue injuries. methods: isoproterenol (100 mg/kg) was injected subcutaneously for two consecutive days for induction of mi in rats and c. dactylon extract was administered orally twice daily started before isoproterenol injection for 4 consecutive days. results: histopathological analysis showed a marked increase in myocardial necrosis in rats with mi (p<0.001). treatment with c. dactylon (200 mg/kg) significantly (p<0.05) decreased myocardial necrosis. hemodynamic variables were significantly suppressed in mi group and treatment with c. dactylon improved the hemodynamic parameters (p<0.05). our electrocardiogram analysis demonstrated that c. dactylon with all doses increased r-amplitude and r-r interval (p<0.05, p<0.01) which were suppressed in mi group. furthermore in treated groups with 100 and 200 mg/kg, p-r interval was also significantly increased in compared to mi group. conclusion: this study demonstrated that c. dactylon can improve hemodynamic and electrocardiogram parameters in isoproterenol-induced myocardial infarction and thereby suggest that it can be used as a cardioprotective agent in myocardial infarction.
کلیدواژه cynodon dactylon ,electrocardiogram ,hemodynamic ,isoproterenol ,myocardial infarction
آدرس urmia university of medical sciences, faculty of pharmacy, department of pharmacology, iran, tabriz university of medical sciences, faculty of pharmacy, department of pharmacology and toxicology, iran, tabriz university of medical sciences, research center for pharmaceutical nanotechnology, faculty of pharmacy, iran, urmia university of medical sciences, faculty of pharmacy, department of pharmacology, iran, urmia university of medical sciences, faculty of pharmacy, department of pharmacology, iran, urmia university of medical sciences, faculty of pharmacy, department of pharmacology, iran
پست الکترونیکی hamid_soraya2000@yahoo.com
 
     
   
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