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不同剂量右美托咪定在全麻患者术后复苏期的应用研究 被引量:5

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摘要 目的 右美托咪定(DEX)是一种新型的高选择性α2肾上腺能受体激动剂,能够很好地抑制全麻复苏期的各种应激反应,故本研究观察手术结束前注射不同剂量DEX全麻术后复苏期的影响,拟得出其在全麻复苏期最佳的使用时机和剂量。方法 选择气管插管全麻下行择期手术的患者共计90例,ASAⅠ~Ⅱ级。随机分为3组(n=30)。手术结束前15min分别注射不同剂量DEX(B组和C组)或生理盐水(A组)。记录手术结束时(T0)、拔管前(T1)、拔管后即刻(T2)、拔管后3min(T3)、送出手术室时(T4)等各时刻的BP、HR、BIS等。记录各组患者拔管的平均耗时。记录各组在复苏期的不良反应病例。各组计量数据在不同时点比较采用双因素重复测量数据方差分析,计数资料比较采用χ2检验。P〈0.05为差异有统计学意义。结果 B组在麻醉复苏期的T0~T3时相的血压和心率波动均低于A组(P〈0.05),C组则在T0~T4时相的血压和心率波动均低于A组(P〈0.05)。B组拔管时间与A组差异无统计学意义(P〉0.05),C组拔管时间则大于A组(P〈0.05)。在副反应例数,B组例数低于A组(P〈0.05),C组例数与A组差异无统计学意义(P〉0.05)。结论 DEX可以改善全麻患者在全麻复苏期的拔管反应,保持血流动力学平稳,并且手术结束前15min静脉注射0.5μg/kg的DEX在副反应方面优于1μg/kg组。
出处 《中华全科医学》 2014年第7期1165-1167,共3页 Chinese Journal of General Practice
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二级参考文献9

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同被引文献34

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