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人参果皂苷对急性心肌梗塞犬冠状动脉循环及心肌氧代谢的影响

武 毅1,于晓风1,曲绍春1,睢大员1*,陈燕萍2,马兴元2   

  1. 1. 吉林大学药学院药理学教研室,吉林 长春130021;2. 吉林大学化学院天然药物化学研究室,吉林长春130021
  • 收稿日期:2005-10-30 修回日期:1900-01-01 出版日期:2006-05-28 发布日期:2006-05-28
  • 通讯作者: 睢大员

Effects of ginseng fruit saponins(GFS)on coronarycirculation and myocardial oxygen metabolismin dogs with acute myocardial infarction

WU Yi1,YU Xiao-feng1,QU Shao-chun1,SUI Da-yuan1*,CHEN Yan-ping2, MA Xing-yuan2   

  1. 1. Department of Pharmacology,School of Pharmacy, Jilin University,Changchun 130021, China;2. Department of Nature Medicinal ChemistryJilin University, Changchun 130021, China
  • Received:2005-10-30 Revised:1900-01-01 Online:2006-05-28 Published:2006-05-28
  • Contact: SUI Da-yuan

摘要: 目的:研究人参果皂苷(ginseng fruit saponins,GFS)对急性心肌梗塞犬冠脉循环及心肌 氧代谢的影响。方法:犬结扎左冠状动脉前降支6 h造成急性心肌梗塞模型,同时静脉滴注GFS进行治疗,通过MP-27型电磁流量计记录冠状动脉血流量,以CORNIHG 178型血气分析仪测定动、静脉血 氧含量,观察心肌氧代谢变化。结果:与心肌梗塞模型组比较,静脉滴注GFS 5和10 mg·kg-1,可使急性心肌梗塞6 h犬心肌血流量明显增加,冠脉血管阻力明显降低(P<0.05或P<0.01),并能使心肌氧利用率及心肌耗氧量明显降低(P<0.05或P<0.01),对心肌耗氧指数无明显影响(P>0.05)。 结论:GFS 可通过改善冠脉循环,增加心肌血液供给,同时降低心肌耗氧及降低心肌氧利用率发挥抗急性心肌缺血作用。

关键词: 心肌梗塞, 冠脉循环, 心肌氧代谢, 疾病模型, 动物

Abstract: Objective To study the effects of ginseng fruit saponins(GFS)on the coronary circulation and cardial oxygen metabolism in dogs with acute myocardial infarction. Methods The acute myocardial infarction model was induced by ligating the left anterior descending coronary of dogs for 6 h. 90 min after treatment with GFS, the blood flow of coronary artery was determined by using electromagnetism flowmeter with MP-27 type. At the same time,the blood oxygen co ntents of artery and vein were determined by using analysis instrument of blood gas with CORNIHG 178 type. Results After treated by GFS (in a dosage of 5 and 10 mg·kg-1 iv drip for 90 min),the myocardial blood flow (MBF) was increased and coronary vascular resistance (CVR) was decreased significantly. Meanwhile the cardiac oxygen consumption and myocardial oxygen utilization rate were also decreased, but cardiac oxyg en consumption index had not changed significantly. Conclusion GFS has protective effects on acute myocardial ischemia through improving the coronary circulation, increasing myocardial blood supply and decreasing cardiac oxygen consumption and myocardial oxygen utilization rate. 

Key words: myocardial infarction, coronary circulation, myocardial oxygen metabolism, disease models, animal

中图分类号: 

  • R-332