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血塞通协同氯吡格雷抗血小板聚集
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摘要
目的:选择血液流变学(7个)、血凝参数(3个)、血细胞参数(22个)三种共计32个指标,观察血塞通与氯吡格雷协同效应。方法:SD大鼠60只,随机分为4组,即空白对照组(口服灌胃等体积生理盐水)、氯吡格雷单独给药组(口服灌胃30mg·kg~(-1))、血塞通单独组(口服灌胃50mg·kg~(-1))和合并给药组(灌胃氯吡格雷30mg·kg~(-1)和血塞通50mg·kg~(-1)),每组15只,连续给药100d,分别在第3、14、28、42、56、70、84天时检测白细胞、红细胞、血小板三类计22个血细胞指标动态变化趋势,第6、20、34、48、62、76、90天时分别采血检测血凝参数动态变化特征,第100天时检测体外血栓长度、血栓湿重、干重测定全血和血浆粘度测定,观察各组间血凝参数、血细胞参数动态趋势及血液流变学指标间差异,多角度考察两种药物协同增效。结果:除正常对照组外,其余各组均可在一定程度上降低白细胞、红细胞、血小板指标,延长血凝参数TT、APTT、PT,降低血液粘度,合用组较各单独给药组相比较,上述作用增强,与血塞通组相比较有统计学差异(p<0.05),与氯吡格雷单独组相比较,无统计学差异,但可改善氯吡格雷的药效抵抗效应。结论:在血液流变学、血凝参数、血细胞参数三种32个指标层面,两种药物联合应用时具有协同效应,可能具有改善氯吡格雷长期服药时药效低抵抗现象。
Objective To investigate the synergistic effection of Xue saitong and Clopidogrel Bisulfate(CPG) counteracting hemorheology,haemostatic and blood corpuscle index.Methods totally 60 SD rats were randomized into 4 groups included:normal control group(equal volume of saline),CPG alone group(30 mg·kg~(-1)),Xue saitong alone group(50 mg·kg~(-1)),co-administration group(CPG30 mg·kg~(-1) and Xue saitong 50 mg·kg~(-1) respectively).The rats received gastric infusion of corresponding drugs for 100 continuous days.Blood sample of SD rats were then collected by puncture of the orbital vein for the investigation of red blood cells,blood cells,platelet parameters' dynamic trend at the 3、 14、 28、 42、 56、 70、 84~(th) day respectively,and for the haemostatic parameters' dynamic tendency at the 6、20、34、48、 62、76、 90~(th) day respectively.Finally,the length,wet weight dry weight of in vitro thrombus,and the whole blood and plasma viscosity were determined by puncture of the abdominal artery at the 100~(th) day.Results The leukocyte,red blood cells,platelet parameters of blood cell index and blood viscosity was reduced,and the bleeding time of haemostatic parameters(TT、 APTT、 PT) was prolonged in the medication group.The above effect was much better in the combination groups.There were statistical differences between the combination and Xue saitong alone group(p<0.05),and no statistical differences between the combination and CPG alone group.Conclusion there were synergistic effect of Xue saitong and CPG combination by modulating hemorheology、 haemostatic and blood corpuscle parameters
引文
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