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小剂量右美托咪啶辅助臂丛阻滞的临床研究 被引量:1

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摘要 目的观察小剂量右美托咪啶﹙Dex﹚持续泵注辅助臂丛阻滞的应用效果。方法前臂及手外伤患者100例,ASAⅠ或Ⅱ级,随机均分为两组:Dex组(D组)和生理盐水对照组(N组)各50例,臂丛阻滞成功后15 min,D组静脉泵注Dex负荷剂量0.5μg/kg(10 min内注完),继以0.4μg∕(kg.h)维持泵注至手术结束前10 min,N组以同样方法输入生理盐水,记录麻醉前(T0),臂丛神经阻滞后15 min即静脉给药即刻(T1),静脉用药后10 min即切皮即刻(T2),手术开始15 min(T3),60 min(T4),手术结束时(T5)的平均动脉压(MAP)、心率(HR)、动脉血氧饱和度、呼吸,并观察镇静程度及术中不良反应发生率,术后行警觉/镇静(OAA/S)评分评估麻醉效果和患者的麻醉满意度。结果 T1时两组MAP均明显升高(P<0.05),N组HR明显增快(P<0.05);T3、T4、T5时D组MAP显著降低,且明显低于N组(P<0.05);T2、T3、T4、T5时D组HR明显慢于N组(P<0.05),也明显慢于T1时(P<0.05);镇静评分(OAA/S)D组为1.7,明显低于N组的3.5(P<0.05);术后疼痛评分比较差异无统计学意义,麻醉满意度D组为81%,明显高于N组53%(P<0.05)。结论小剂量右美托咪啶持续泵注辅助臂丛阻滞镇静镇痛效果好,安全性高,可有效抑制臂丛阻滞导致的心血管不良反应并明显提高患者麻醉满意度。
出处 《临床医学》 CAS 2012年第3期83-84,共2页 Clinical Medicine
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参考文献3

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共引文献160

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