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急性肺血栓栓塞症炎性因子与肺损伤关系的实验研究

Chinese Journal of Difficult and Complicated Cases(2013)

Cited 23|Views26
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Abstract
目的 探讨白介素-4对实验性急性肺血栓栓塞(APTE)症炎性因子的影响.方法 选取健康新西兰兔30只,随机分为3组,对照组颈静脉穿刺后注射生理盐水2 ml,模型组制备肺栓塞模型后经耳缘静脉注入生理盐水2 ml,干预组制备肺栓塞模型后经耳缘静脉注入白介素-4 (1 μg/kg).观察栓塞前及栓塞后4h各组炎性因子(TNF-α、IL-1β)及动脉血气指标(pH、PO2、PCO2)水平的变化.结果 与对照组比较,模型组栓塞后TNF-α、IL-1β及pH水平升高,PO2、PCO2水平下降,差异有统计学意义(P<0.01,P<0.05);与模型组比较,干预组TNF-α、IL-1β及pH水平下降,PO2、PCO2水平上升,差异有统计学意义(P<0.05).结论外源性白介素-4通过下调APTE炎性因子水平,对肺损伤起保护作用.
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Key words
Lung injury,Pulmonary thromboembolism,acute,New Zealand rabbits,IL-4
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