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Effects of mannitol on erythrocyte aldose reductase activity, plasma nitric oxide and malondialdehyde concentrations in patients undergoing hepatolobectomy
Author(s): 
Pages: 545-547
Year: Issue:  5
Journal: Chinese Journal of Anesthesiology

Keyword:  MannitolHepatectomyAldehyde reductaseErythrocytesNitric oxideMalondialdehyde;
Abstract: 目的 探讨甘露醇对肝叶切除术患者红细胞醛糖还原酶(AR)活性、血浆一氧化氮(NO)和丙二醛(MDA)浓度的影响.方法 择期行肝叶切除术患者40例,性别不限,年龄24~60岁,体重50~ 68 kg,ASA分级Ⅰ或Ⅱ级,采用随机数字表法,将其随机分为2组(n=20):生理盐水对照组(C组)和甘露醇组(M组).2组均采用硬膜外复合全麻.术中阻断肝门即刻开始静脉输注20%甘露醇1.5 ml/kg,经30 min输完,C组给予等容量生理盐水.分别于麻醉前(基础状态)、肝门开放前即刻、术毕、术后1d、术后3 d(T0-4)时采集静脉血样,测定红细胞AR活性、血浆NO和MDA浓度.结果 与C组比较,M组T1.2时AR活性及血浆MDA浓度降低,血浆NO浓度升高(P<0.05).结论 甘露醇可降低肝叶切除术患者肝缺血再灌注损伤,其机制与清除氧自由基,抑制脂质过氧化反应有关.
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