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不同剂量纳洛酮对吗啡术后镇痛病人血浆阿片样物质的影响 被引量:3

Effect of low-dose naloxone on plasma opiate-like substance level in patients receiving patient-controlled intra-venous analgesia with morphine
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摘要 目的:探讨不同剂量纳洛酮对吗啡术后镇痛效能及血浆阿片样物质的影响。方法:选择ASAⅠ ̄Ⅱ级子宫切除、术后使用吗啡静脉自控镇痛病人60例,随机分成3组:M组,镇痛泵中使用吗啡10μg.kg-1.h-1;MN0.05组,在M组用药基础上加纳洛酮0.05μg.kg-1.h-1;MN0.2组:在M组用药基础上加纳洛酮0.2μg.kg-1.h-1。双盲随访3组病人镇痛效果。于入室、术毕、术后6 h、术后24 h及术后42 h采静脉血,用放免法检测血浆阿片样物质(β内啡肽、强啡肽、亮啡肽)水平。结果:MN0.05组视觉模拟评分(VAS)低于M组,MN0.2组在术后6 h VAS评分高于M组,差异均有显著性(P<0.05)。MN0.05组血浆强啡肽、亮啡肽水平在术后6 h、术后24 h均高于M组,β内啡肽水平在术后6 h低于M组,术后24 h高于M组,差异均有显著性(P<0.05);MN0.2组阿片样物质水平与M组比较无显著差异。结论:不同小剂量纳洛酮对吗啡的镇痛效能有不同的影响,其机制与影响阿片样物质的合成及释放有关。 Objective: To evaluate the effect of low-dose naloxone on the postoperative analgesic efficacy of morphine and the level of plasma opiate-like substance (OLS) in patients receiving patient-controlled intravenous analgesia (PCIA) with morphine after abdominal hysterectomy. Methods: Sixty female patients with ASA physical status Ⅰ and Ⅱ who were scheduled for abdominal hysterectomy and received PCIA with morphine were randomly divided into 3 groups:group M (10 μg·kg^-1·h^-1 morphine were added in PCIA pump),group MN0.05 (10 μg·kg^-1·h^-1 morphine and 0.05 μg·kg^-1·h^-1 naloxone were added in PCIA pump),and group MN0.2( 10 μg·kg^-1·h^-1 morphine and 0.2 μg·kg^-1·h^-1 naloxone were added in PCIA pump). The postoperative analgesic efficaey was observed, and the level of plasma OLS ,includ- ing β-endorphin (β-EP),dynorphin A1-13 (DynA1-13),and leu-enkaphalin (L-EK),was determined. Results: Compared with group M,the visual analogue scale (VAS) scores were significantly lower in group MN0.05 and significantly higher in group MN0a (P 〈 0.05). Compare with group M,in group MN0,05,the plasma levels of DynA1-13 and L-EK OLS were significantly higher at hours 6 and 24 after operation,and the plasma level of β-EP was significantly lower at hour 6 after operation and significantly higher at hour 24 after operation (P 〈 0.05). No significant difference in the plasma level of OLS was found between group M and group MN0.2.Conclusion: Different doses of naloxone have different effects on the postoperative analgesic efficacy of morphine, which may act by affecting the synthesis and secretion of OLS.
出处 《中国医科大学学报》 CAS CSCD 北大核心 2006年第6期642-644,共3页 Journal of China Medical University
基金 辽宁省自然科学基金资助项目(20032069)
关键词 吗啡 纳洛酮 术后镇痛 阿片样物质 morphine naloxone postoperative analgesia opiate-like substance
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参考文献7

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共引文献25

同被引文献57

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