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Experimental study on the clearance of organophosphorus pesticide from blood by hemoperfusion

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF EMERGENCY MEDICINE
Issue:
4
DOI:
10.3760/j.issn:1671-0282.2005.04.005
Key Word:
血液灌流;中毒;有机磷农药

Abstract: 目的探讨血液灌流(HP)对动物模型有机磷农药(OP)的清除作用及血胆碱酯酶(CHE)活性的影响.方法建立狗急性有机磷农药中毒模型,应用炭肾对该模型进行HP 2h,用固相萃取技术进行色谱分析HP前、HP后不同时间点血浆中有机磷浓度及血胆碱酯酶活性动态变化.结果①HP 2 h时血浆有机磷浓度从(1.62±0.61)μg/ml降至(0.12±0.07)μg/ml,显著低于对照组(P<0.01),但于HP后36 h再次升高达(0.28±0.18)μg/ml,高于HP结束时(P<0.05).②HP后血胆碱酯酶活性逐渐上升,20h时达到(16.00±4.18)U,显著高于对照组(P<0.01),但于HP后36 h胆碱酯酶活性再度下降至(11.6±2.7)U.结论HP可显著降低血中有机磷浓度,并使胆碱酯酶活性明显上升.

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