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小剂量氯胺酮对下腹部手术后疼痛的影响 被引量:3

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摘要 目的:了解小剂量氯胺酮对下腹部手术后是否有超前镇痛的作用。方法:择期行下腹部手术且均采用硬膜外麻醉患者80例,随机双盲分为小剂量氯胺酮组(A组,n=40)和对照组(B组,n=40)。在硬膜外麻醉基础上,A组术前静脉注射氯胺酮0.4mg/kg作为辅助用药,继之微泵持续静脉注射4μg·kg-1·min-1至手术结束前30min;B组给予相同剂量的生理盐水。两组术后均行硬膜外患者自控镇痛(PCEA),采用视觉模拟评分法(VAS)于术后2、6、12、24h进行疼痛评分,观察术后内PCEA用量、总按压数/实进数(D/D)的比值以及并发症的发生情况。结果:A组VAS评分显著低于B组(P<0.01),术后24h内PCEA用量显著少于对照组(P<0.01),D/D的比值小于2的患者A组显著多于B组(P<0.01)。A组患术后未见有氯胺酮所致精异常的副作用发生,恶心发生例数B组多于A组(P<0.05)。结论:术前小剂量氯胺酮可减轻术后疼痛,减少术后阿片类药的用量,术后无氯胺酮所致的精神异常的副作用,吗啡所致的恶心的副作用有所降低。
出处 《广东医学院学报》 2005年第3期321-322,共2页 Journal of Guangdong Medical College
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