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地佐辛用于经腹全子宫切除术后自控静脉镇痛的量效关系 被引量:17

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摘要 目的观察地佐辛用于经腹全子宫切除术后静脉自控镇痛(PCIA)的量效关系。方法妇科择期经腹全宫切除患者80例(ASAⅠ~Ⅱ级),年龄30~55岁,随机分为4组(n=20)。A组:地佐辛0.8 mg/kg,B~D组给予地佐辛分别为1.0、1.2、1.4 mg/kg,各组镇痛药用生理盐水稀释至100 mL置入镇痛泵,采取LCP模式给药:负荷量(地佐辛5 mg)+维持量2.0 mL/h+单次PCA剂量1 mL,锁定时间10 min,镇痛24 h;观察术后第1、2、4、8、16及24 h的VAS评分,PCA泵的按压次数(D1)及实际有效次数(D2),Ramesay镇静评分,改良Bromage分级,肛门排气时间,记录可能发生的不良反应及患者对镇痛效果总体评价。结果术后4、8、16、24 h时点各组VAS评分随着地佐辛剂量的增大而VAS评分降低,即A≈B>C≈D(P<0.05);4~24 h时段C组和D组的PCA按压次数D1和D1/D2比值最小(P<0.05);C组、D组患者对镇痛效果的满意度高于A组、B组(P<0.05);D组患者术后肛门恢复排气时间慢于A组、B组、C组(P<0.05),而前3组组间比较差异无统计学意义(P>0.05)。结论地佐辛1.2 mg/kg用生理盐水稀释至100 mL用于经腹全子宫切除术后患者静脉PCA效果更好,术后恢复快,可作为经腹全子宫切除术后患者地佐辛静脉镇痛的首选方案。
出处 《广东医学》 CAS CSCD 北大核心 2012年第20期3092-3094,共3页 Guangdong Medical Journal
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参考文献12

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