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右美托咪定在椎管内麻醉中的临床应用

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摘要 目的 :探讨右美托咪定应用于椎管内麻醉时的镇静效果及对呼吸循环的影响。方法 :选择子宫切除患者40例,ASAⅠ-Ⅱ,随机分为右美托咪定组(A组)和异丙酚组(B组)各20例,手术开始前A组泵注右美托咪定1μg·kg^-1持续10min后维持剂量为0.6μg·kg^-1·h^-1。对照组B组的患者给予异丙酚负荷量(1.0-1.5)mg·kg^-1,泵注10min后维持(2-3)mg·kg^-1﹒h^-1,记录用药前(T0)、给药后10min(T1)、探查盆腔时(T2)、关闭腹膜时(T3)时的MAP、HR、Sp O2和Ramsay评分。结果:两组患者T0、T1、T2,T3各时点Ramsay评分比较:A组分别为1.6±1.7,4.9±0.3,4.0±0.4,4.2±0.3;B组分别为1.7±0.5,5.5±0.4,5.1±0.5,5.2±0.2;两组比较差异均有统计学意义(P〈0.05)。A组的镇静效果适中,优于B组,A组的呼吸循环的稳定性优于B组。结论:右美托咪定作为椎管内麻醉的辅助用药,具有明显的优势。
出处 《交通医学》 2015年第3期284-285,共2页 Medical Journal of Communications
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