脑心通胶囊联合双联抗血小板疗法防治大鼠自体微血栓所致冠状动脉微栓塞(英文)

被引:13
作者
黄明伟
王欢
钟文娟
吴小盈
陈慧
机构
[1] 福建医科大学福建省立医院心内科福建省心血管病研究所
关键词
脑心通; 中成药; 冠状动脉血栓形成; 血小板聚集抑制剂; 炎症趋化因子类; 动物实验; 大鼠;
D O I
暂无
中图分类号
R543.3 [冠状动、静脉疾病];
学科分类号
1002 ; 100201 ;
摘要
目的:探讨脑心通胶囊(Naoxintong capsule,NXT)联合双联抗血小板疗法(dual antiplatelet therapy,DA)对大鼠自体冠状动脉微栓塞(coronary microembolization,CME)的治疗效果。方法:在夹闭升主动脉的同时自心尖部注入同源大鼠微血栓(大鼠自体血凝块经38μm的滤网过滤制成)建立CME模型。95只大鼠不均等随机分成6组,即空白组(n=10)、假手术组(n=10)、CME组(n=15)、NXT组(n=15)、DA组(n=30)、NXT联合DA组(NDA组,n=15)。各组术前预给药3d,术后继续用药7d,取血后处死动物收集标本。共计69只大鼠获得完整数据。苏木精-伊红染色观察CME数量百分比(CME%),剪尾法检测出血时间(bleeding time,BT),玻片法检测凝血时间(clotting time,CT),比浊法检测二磷酸腺苷诱导的最大血小板聚集率(platelet aggregation rate,PAR),自动血液分析仪检测血小板计数,酶联免疫吸附试验法检测P选择素、白细胞介素6(interleukin-6,IL-6)、IL-10、内皮素1(endothelin-1,ET-1)及内皮型一氧化氮合酶(endothelial nitric oxide synthase,eNOS)。结果:与空白组及假手术组比较,CME组的CME%、PAR、P选择素、IL-6和ET-1明显升高(P<0.01),BT、CT、IL-10和eNOS明显降低(P<0.01);与CME组比较,各药物处理组的BT、CT、IL-10和eNOS明显升高(P<0.05或P<0.01),CME%、PAR、P选择素、IL-6和ET-1明显降低(P<0.05或P<0.01);其中DA组的BT和CT最长,PAR和P选择素最低,而NDA组的IL-10和eNOS最高,CME%、IL-6和ET-1最低;血小板计数在各组中无统计学差异(P>0.05)。结论:脑心通胶囊联合双联抗血小板治疗可能通过抑制血小板聚集、调节促炎因子与抗炎因子以及ET-1与eNOS的平衡显著减少CME模型大鼠的CME%。脑心通胶囊联合双联抗血小板治疗还能够减少双联抗血小板治疗出血的危险性。
引用
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页码:38 / 48
页数:11
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