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不同给氧方法对宫内窘迫胎鼠肾损伤的影响 被引量:1

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摘要 [目的]探讨不同给氧方法对宫内窘迫胎鼠肾损伤的影响.[方法]将30只妊娠SD大鼠随机分为6组,非手术对照组(A组),假手术对照组(B组),缺血缺氧组(C组),该组又分为非给氧组(C1),低浓度间断给氧组(C2),低浓度脉冲给氧组(C3),低浓度持续给氧组(C4).妊娠第18天始,予以不同给氧方法干预.妊娠第21天,对所有孕鼠行剖宫产术,所获胎鼠迅速断头处死,光镜下观察宫内窘迫胎鼠肾损伤后给予不同给氧方法各组肾小管损伤评分的变化.[结果]A组肾损伤评分(3.16±1.05)与B组(3.84± 0.75)比较没有统计学意义;C1组(37.11±6.73),显著高于B组(3.84± 0.75 )(P〈0.05);C2组(11.57±4.40)和C3组(14.34± 5.95)分别较C1及C4组(43.42±7.88)明显降低(P〈0.05),与B组比较有统计学差异(P〈0.05),C2和C3组之间比较没有统计学差异(P〉0.05);C4组明显高于C1组(P〈0.05).[结论]低浓度间断和低浓度脉冲给氧可以减轻肾小管的损伤,而持续低浓度给氧加重肾小管的损害,机制尚需进一步研究.
出处 《医学临床研究》 CAS 2010年第9期1750-1752,共3页 Journal of Clinical Research
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