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中国临床药理学与治疗学 ›› 2011, Vol. 16 ›› Issue (11): 1201-1204.

• 基础研究 •    下一篇

维拉帕米增强氯胺酮对小鼠的镇痛作用

武玉清1, 周成华2, 张永3   

  1. 1徐州医学院麻醉药理学教研室,
    2徐州医学院药学院药理学教研室,
    3徐州市第六人民医院泌尿外科,徐州 221002,江苏
  • 收稿日期:2011-09-17 修回日期:2011-10-20 出版日期:2011-11-26 发布日期:2011-11-29
  • 通讯作者: 周成华,女,博士,副教授,研究方向:心血管药理和全麻原理。Tel: 0516-80880826 E-mail: chzhou77@126.com
  • 作者简介:武玉清,男,医学博士,副教授,研究方向:全麻药作用原理和疼痛信号转导及其调控。Tel: 0516-85591008 E-mail: xzmcyqwu@163.com
  • 基金资助:
    国家自然科学基金(81070889, 81171013);江苏省高校自然科学基金重大项目(10KJA320052);江苏省高等学校大学生实践创新训练计划项目(2010797);江苏省青蓝工程优秀青年骨干教师资助项目

Verapamil enhanced the analgesic effect of ketamine in mice

WU Yu-qing1, ZHOU Cheng-hua2, ZHANG Yong3   

  1. 1Department of Anesthetic Pharmacology, Xuzhou Medical College;
    2Department of Pharmacology, Xuzhou Medical College;
    3Department of Urinary Surgery, the Sixth People's Hospital of Xuzhou City,Xuzhou 221002, Jiangsu, China
  • Received:2011-09-17 Revised:2011-10-20 Online:2011-11-26 Published:2011-11-29

摘要: 目的: 观察钙通道拮抗剂维拉帕米对静脉麻醉药氯胺酮镇痛效应的影响。方法: 取40只小鼠,雌雄各半,随机分为4组:生理盐水对照组(NS)、氯胺酮处理组(K)、维拉帕米处理组(V)、维拉帕米和氯胺酮联合用药组(V+K),通过醋酸致小鼠扭体法观察小鼠给药后扭体潜伏期和次数的变化。另取40只小鼠,雌雄各半,随机分为上述4组,利用甩尾实验分别观察给药后小鼠对热水和冰水痛阈值的改变。结果: 维拉帕米单独用药对小鼠扭体潜伏期和次数、热水和冰水痛阈值均无显著影响;氯胺酮能够延长醋酸致小鼠扭体的潜伏期,并且减少醋酸致小鼠扭体的次数,升高小鼠对热水和冰水甩尾痛阈值;而维拉帕米能够进一步增强氯胺酮延长小鼠扭体潜伏期,减少扭体次数和升高小鼠甩尾痛阈值的效应。结论: 维拉帕米能够显著增强氯胺酮对小鼠的镇痛效应。

关键词: 维拉帕米, 氯胺酮, 镇痛作用, 小鼠

Abstract: AIM: To observe the analgesic effects of ketamine combind with verapamil in mice.METHODS: 40 mice were randomly divided into 4 groups: normal saline group (NS), ketamine group (K), verapamil group (V) and verapamil combind with ketamine group (V+K). The method of stretching induced by acetic acid was adopted. In another experiment, 40 mice were randomly divided into 4 groups above. The pain thresholds of mice to hot and ice water were observed through tail-flick experiment.RESULTS: Ketamine prolonged stretching latent time and reduced the stretching times. In addition, ketamine increased tail-flick pain threshold to hot or ice water. These analgesic effects of ketamine were markedly enhanced by verapamil.CONCLUSION: Verapamil can significantly enhance the analgesic effect of ketamine in mouse.

Key words: Verapamil, Ketamine, Analgesic effect, Mouse

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