藏药四味黄芪散对慢性低氧损伤大鼠的影响

Chinese Journal of Integrated Traditional and Western Medicine(2017)

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Abstract
目的 观察藏药四味黄芪散对慢性低氧损伤大鼠的影响.方法 将100只大鼠随机分为两组:低氧对照组和低氧药物组(海拔5 000 m),每组再根据暴露低氧时间分为1、3、7、15、30天等5个亚组,每组10只.另设10只为常氧对照组,暴露于西宁大气环境(海拔2 260 m)不干预.低氧药物组予藏药四味黄芪散混悬液(0.1 g/100 g)灌胃,低氧对照组予生理盐水灌胃,每天1次,持续30天.分别于暴露低氧时间结束后检测肺动脉压(Ppa)、左右心室比值[RV/(LV+ S)]、血红蛋白(Hb)和红细胞压积(Hct)值.结果 与常氧对照组比较,低氧对照组大鼠Hb、Hct、Ppa和RV/(LV+ S)均升高(P<0.01),并随着暴露低氧时间的延长而逐渐升高;与低氧对照组比较,低氧药物组大鼠Hb、Hct、Ppa和RV/(LV+ S)水平降低(P<0.01),且低氧环境中,低氧药物组大鼠Hb、Hct、Ppa和RV/(LV+ S)平均增幅值亦较低.结论 藏药四味黄芪散能够预防慢性低氧对机体的损伤.
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Key words
Tibetan medicine,Siwei Huangqi Powder,prevention,chronic hypoxia
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