OALib Journal期刊
ISSN: 2333-9721
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基于主成分分析和多指标综合指数法的当归-红花不同配比活血化瘀作用比较
, PP. 1304-1309
Keywords: 当归,红花,配伍,活血化瘀,主成分分析,多指标综合指数法
Abstract:
比较评价当归-红花(gh)不同配比对急性血瘀大鼠血液流变学和凝血功能的影响,优选当归-红花配伍活血作用的最佳配比。采用皮下注射盐酸肾上腺素和冰水游泳共同复制急性血瘀大鼠模型,通过测定全血黏度(wbv)、血浆黏度(pv)、全血高切相对指数(hswbri)、全血低切相对指数(lswbri)、红细胞聚集指数(eai),观察当归-红花配伍对血瘀大鼠血液流变学的影响;通过测定凝血酶原时间(pt)、凝血酶时间(tt)、活化部分凝血活酶时间(aptt)、血浆纤维蛋白原(fib)含量及血小板最大聚集率(adp),观察当归-红花配伍对血瘀大鼠凝血功能及血小板聚集的影响。然后采用主成分分析法和多指标综合指数法综合评价当归-红花配伍的总活血化瘀效应。结果显示,与正常组比较,模型组各血液流变学指标和凝血功能指标均有显著性差异;与模型组比较,当归-红花不同配比(1:0、4:1、2:1、3:2、1:1、2:3、1:2、1:4和0:1)组均能较好改善急性血瘀大鼠的血液流变学各指标,对凝血功能多个指标也有较好的调节作用。主成分分析法和多指标综合指数法综合评价得出当归-红花配比1:1和3:2的活血化瘀作用最好,其中1:1的活血化瘀作用更优于3:2。以上结果说明,当归-红花配伍能明显改善血瘀大鼠的血液流变学及凝血功能异常,且当归-红花活血化瘀作用的最佳配比与临床中医方剂中使用当归-红花1:1频次最高的结论相一致,为临床更有效应用当归-红花配伍提供了科学依据。
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