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The changes of nitric nxide and endothelin-1 level in the steam inhalation dogs after treated with partial liquid ventilation

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF EMERGENCY MEDICINE
Issue:
5
DOI:
10.3760/j.issn:1671-0282.2003.05.005
Key Word:
一氧化氮;内皮素-1;部分液体通气;吸入性损伤

Abstract: 目的研究吸入性损伤部分液体通气(PLV)后一氧化氮(NO)、内皮素-1(ET-1)的改变.方法将12条犬制成蒸汽吸入性损伤模型,随机分为两组:对照组和PLV组.所有动物行机械通气,伤后1.5 h PLV组给予全氟化碳液体,剂量为6 ml/kg.于PLV前,PLV后1、2 h采静脉血用于测NO、ET-1.伤后3.5 h放血致死动物,测支气管肺泡灌洗液(BALF)、肺匀浆NO、ET-1.结果与对照组相比,PLV组PLV后1 h血NO下降明显(P<0.05),但PLV 2h又后恢复至对照组水平.PLV组肺匀浆ET-1显著高于对照组(P<0.05).结论 PLV用于吸入性损伤犬能降低血NO水平,提高肺匀浆ET-1,这是其用于吸入伤治疗中不足的一面.

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