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山莨菪碱对百草枯中毒大鼠肺、肝损害及血浆TNF-α变化的影响 被引量:3

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摘要 目的探讨山莨菪碱对PQ中毒的治疗作用。方法将SD大鼠分成治疗组(A组)、单纯染毒组(B组)、对照组(C组)三组,A、B两组大鼠腹腔内注射PQ 20 mg/kg体重染毒,C组注射生理盐水对照。A组大鼠于染毒后2 h始,按30 mg/kg体重用量3次/d腹腔内注射山莨菪碱治疗;B组大鼠于相应时点3次/d腹腔内注射等量生理盐水对照。检测A、B两组大鼠染毒后第3天、5天、7天PaO2、血TNF-a、血GPT水平,并与C组对照。留取染毒7 d后A、B两组动物肝、肺标本进行病理学观察。结果 A、B两组大鼠血TNF-α浓度明显较C组高,但A组大鼠血TNF-α升高幅度较B组低,与B组对比三个时点均有统计学意义(P<0.01);A组PaO2、ALT也有一定程度改善。A组大鼠PaO2于染毒后7 d,ALT于染毒后5 d、7 d,和B组大鼠相应时点比较差异有统计学意义(P<0.01)。染毒后7 d,和B组比较,A组大鼠肝、肺病理改变相对轻微。结论山莨菪碱对PQ中毒大鼠肺、肝损伤有一定的治疗作用,这可能与其抑制TNF-α的产生、改善微循环等作用有关。
出处 《中国实用医药》 2013年第32期254-256,共3页 China Practical Medicine
基金 福建省立医院重症医学科国家重点科室经费资助
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