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瘀浊清颗粒对高血压大鼠的降压作用及其机制 被引量:4
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作者 郭伟聪 刘德桓 +1 位作者 陈国英 陈文鑫 《世界中医药》 CAS 2010年第3期205-207,共3页
目的:观察以化瘀浊益肝肾法为治疗原则组方的瘀浊清颗粒对肾型高血压大鼠的降压作用的影响及其机制。方法:雄性SD大鼠采用经典高血压造模方法造模。选择造模成功的大鼠随机分成3组,即对照组,瘀浊清颗粒高剂量组(高剂量组);瘀浊清颗粒低... 目的:观察以化瘀浊益肝肾法为治疗原则组方的瘀浊清颗粒对肾型高血压大鼠的降压作用的影响及其机制。方法:雄性SD大鼠采用经典高血压造模方法造模。选择造模成功的大鼠随机分成3组,即对照组,瘀浊清颗粒高剂量组(高剂量组);瘀浊清颗粒低剂量组(低剂量组)。连续给药28天,前后测血压4次。休息4天后,3组大鼠继续给药。其中对照组(A组)和低剂量组(C组)均加用卡托普利50mg/kg,高剂量组(B组)用药不变;再连续给药100天,前后测血压4次。治疗结束后麻醉所有大鼠,经颈静脉取血作血液黏稠度、红细胞聚集率和红细胞变形性检测。结果:给药第28天后,低剂量组和高剂量组大鼠血压与同组造模后比较,差异均具有显著性(P<0.05,P<0.01);瘀浊清颗粒高剂量组(B组)与低剂量组联合卡托普利(C组)及与单用卡托普利组(A组)3组用药前后自身比较均有显著性差异(P<0.05,P<0.01)。结论:瘀浊清颗粒对高血压大鼠有显著降压作用。随着治疗时间的延长,瘀浊清颗粒加用卡托普利的临床疗效好于单用中药或西药。 展开更多
关键词 血压/实验研究 @瘀浊清颗粒
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迷走神经对心血管活动的兴奋性影响 被引量:1
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作者 李楚芬 《宁夏医科大学学报》 1989年第Z1期123-128,共6页
迷走神经对心血管活动通常呈现抑制性影响,但许多动物实验观察证实,迷走神经对心血管活动还具有兴奋性影响,当刺激迷走神经外周端时,可看到血压升高,或在刺激停止后出现短时期的窦性心动过速,Copen等称之为迷走后加速(Postvagal tachyca... 迷走神经对心血管活动通常呈现抑制性影响,但许多动物实验观察证实,迷走神经对心血管活动还具有兴奋性影响,当刺激迷走神经外周端时,可看到血压升高,或在刺激停止后出现短时期的窦性心动过速,Copen等称之为迷走后加速(Postvagal tachycardia,PVT)。关于这种迷走心血管兴奋效应的机理,目前有以下一些认识:①乙酰胆硷对心肌有直接兴奋作用,②迷走神经的胆硷能效应,③迷走神经通过乙酰胆硷转而引起儿茶性胺释放的肾上腺素能机制。迷走心兴奋作用可能与临床所见心绞痛在晚间发作有关,是值得进一步研究的问题。 展开更多
关键词 迷走神经/生理学 心血管系统/生理学 乙酰胆硷 心动过速/实验研究 血压/实验研究 儿茶酚胺类
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The clinical trial research of preoperative induced hypertension chemotherapy on the III staging cardia or fundus of stomach carcinoma 被引量:1
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作者 Jianwen Zhai Haiping Yang Heping Li Fushen Yang Xiaogang Yang 《The Chinese-German Journal of Clinical Oncology》 CAS 2007年第2期196-199,共4页
Objective: To observation the therapeutic effect and the adverse reaction of preoperative induced hypertension chemotherapy (IHC) on the Ⅲ staging cardia or fundus of stomach carcinoma. Methods: 49 cases of the ... Objective: To observation the therapeutic effect and the adverse reaction of preoperative induced hypertension chemotherapy (IHC) on the Ⅲ staging cardia or fundus of stomach carcinoma. Methods: 49 cases of the Ⅲ staging cardia or fundus of stomach carcinoma were divided into two groups at random. The observation group included 19 cases and the control group included 30 cases. Every case used one cycle chemotherapy. The observation group (IHC group) used chemotherapy and AT Ⅱ. The control group (simple chemotherapy group) used simple chemotherapy. All cases of the two groups operated after 3 weeks rest. The specimen's DNA was analyzed by flow cytometry. Results: The effective power of observation group was 63.2% (12/19), exairesis ratio was 84.2% (16/19). The effective power of control group was 30% (9/30), exairesis ratio was 63.3% (19/30). DNA ploid determination: 13 cases were diploid and 5 cases were heteropioid in the observation group, 9 cases were diploid and 16 cases were heteroploid in the control group. The operative complications and risks of the two groups did not increase. Conclusion: IHC can increase the therapeutic effect of Ⅲ staging cardia or fundus of stomach carcinoma obviously. IHC is one of the chemotherapy methods that have good future, it has good value of clinic enlarge trial. 展开更多
关键词 staging cardia or fundus of stomach carcinoma neoadjuvant chemotherapy AT flow cytometry
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