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Preliminary study on the relationship between acute organophosphorus pesticide poisoning through ingestion and changes of free radicals
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- Author:
- No author available
- Journal Title:
- JOURNAL OF EMERGENCY MEDICINE
- Issue:
- 4
- DOI:
- 10.3760/j.issn:1671-0282.2002.04.006
- Key Word:
- 有机磷农药中毒;自由基;过氧化脂质;一氧化氮;抗氧化剂;抗氧化酶
Abstract： 目的探讨急性有机磷农药口服中毒患者体内的一系列自由基异常反应及其对患者机体损伤程度的关系.方法采用独立样本对照设计,用分光光度比色分析法检测了58例急性有机磷农药中毒患者(AOPP)和58例健康成人志愿者(HAV)的血浆过氧化脂质(LPO)、一氧化氮(NO)、维生素C(VC)、维生素E(VE)、β-胡萝卜素(β-CAR)含量和谷胱甘肽-S-转移酶(GST)活性及红细胞超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、谷胱甘肽过氧化物酶(GSH-Px)活性.结果与HAV组各生化参数(BP)平均值(AV)比较,AOPP组血浆LPO、NO和GST的AV均升高,差异具有显著性意义(P＜0.001),血浆VC、VE、β-CAR和红细胞SOD、CAT、GSH-Px的AV均降低,差异具有显著性意义(P＜0.001).对58例AOPP患者红细胞乙酰胆碱酯酶(AChE)活性与上述各BP的直线回归和相关分析表明,随着AChE值的降低,LPO、NO和GST值逐渐升高,均呈直线负相关(P＜0.005),而VC、VE、β-CAR、SOD、CAT和GSH-Px值逐渐降低,均呈直线正相关(P＜0.001).对58例AOPP和58例HAV用上述BP进行判别分析的结果提示,判别正确率均为100%.结论急性有机磷农药口服中毒患者体内的一系列自由基反应病理性加剧,采用上述参数可提高判别分析的正确率.
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