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Changes of indexes related to artery blood-gas after seawater immersion in dogs with open abdominal wound

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF NAUTICAL MEDICINE AND HYPERBARIC MEDICINE
Issue:
3
DOI:
10.3760/cma.j.issn.1009-6906.2003.03.004
Key Word:
海水浸泡;腹部开放伤;动脉血气

Abstract: 目的研究腹腔开放伤后海水浸泡对机体动脉血气的影响.方法 21只犬致伤后随机分为对照组(n=7)、等渗盐水浸泡组(n=7)和海水浸泡组(n=7).对照组为单纯腹外伤,后两组动物致伤后腹部分别浸入等渗盐水、海水中,观察各组动物动脉血气、血浆渗透压及肿瘤坏死因子(TNF)水平的变化.结果对照组和等渗盐水浸泡组致伤前后动脉血气、血浆渗透压及TNF变化不明显;海水浸泡组致伤后60 min始血pH、PaO2及BE水平均较对照组和等渗盐水浸泡组显著降低(P<0.05),而血浆渗透压与TNF水平则显著升高(P<0.01);致伤后120 min始海水浸泡组PaCO2均较对照组和等渗盐水浸泡组显著升高(P<0.01).结论腹腔海水浸泡可引起机体出现低氧血症、高碳酸血症及酸中毒.

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