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布托啡诺对脂多糖诱导离体兔肺动脉反应性变化的影响 被引量:1

The effect of butorphanol on vascular reactivity in lipopolysaccharide-pretreatment isolated rabbit pulmonary arteries
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摘要 目的 探讨阿片受体激动剂布托啡诺对正常及内毒素休克时肺动脉血管反应性的影响,从而指导临床用药.方法 应用血管环张力检测技术,观察布托啡诺对正常及脂多糖(lipopolysaccharide,LPS 4 μg/ml,4 h)孵育的肺动脉血管环反应性的影响.结果 在正常肺动脉组,布托啡诺终浓度(0.1 μmol/L,1 μmol/L,10μmol/L,100 μmol/L)使苯肾上腺素(Phenylephrine,PE)预收缩的肺动脉呈剂量依赖性舒张,在LPS孵育的肺动脉组,布托啡诺终浓度(0.1 μmol/L,1μmol/L,10μmol/L,100 μmol/L)也使PE预收缩的肺动脉呈剂量依赖性舒张反应,但其舒张作用与正常组比较明显加强.结论 布托啡诺对血管具有直接的舒张反应,并且LPS可以增强布托啡诺对肺动脉的最大舒张反应. Objective To explore the regulatory roles of butorphanol on isolated rabbit pulmonary arteries by lipopolysaccharide(LPS)pre-incubation and assay the protective effect of ketamine on clinic sep tic shock patients.Methods Vascular ring tension detection technique was applied to observe the effect of butorphanol on the normal or lipopolysaccharide incubated pulmonaryvascular.Results In normal group, the final concentration of butorphanol(0.1 μmol,1μmol,10μmol,100μmol)were used to make pretreat ment- phenylephrine(PE)pulmonary artery relaxation.In LPS group,the effect of vasodilation of butor phanol was enhanced.Conclusions LPS can enhance the effect of butorphanol on pulmonary artery relaxa tion reaction.And the direct effect of butorphanol on pulmonary arteries was vasodilation.
出处 《中国医师杂志》 CAS 2011年第3期319-321,共3页 Journal of Chinese Physician
基金 基金项目:辽宁省沈阳市重点应用基础课题资助项目(071021)
关键词 布托啡诺/药理学 肺动脉/药物作用/病理生理学 脂多糖类/副作用 休克/化学 诱导 Butorphanol/PD Pulmonary artery/DE/PP Lipopolysaccharides/AE Shock/CI
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