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Effects of different environment on combined injury with craniocerebral firearm wound in dogs immersed by seawater

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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.1009-6906.2008.03.003
Key Word:
复合伤;颅脑火器伤;开放性胸部伤;开放性腹部伤;烧伤;海水浸泡;动物模型;Combined injury;Craniocerebral firearm wound;Open chest injury;Open abdominal injury;Burn;Seawater immersion;Animal model

Abstract: Objective To investigate effects of different environment of land and sea on combined injury with craniocerebral firearm wound ( CICFW) in dogs immersed by seawater. Methods The model of CICFW including craniocerebral firearm injury,open chest injury, open abdominal injury and burn. The dogs with CICFW were randomly divided into three groups, each of which had 10 dogs; the group Ⅰ(without seawater immersion in land environment) , the group Ⅱ(with seawater immersion in land environment) , and the group Ⅲ( with seawater immersion on sea environment). The changes of vital signs including body temperature, respiration, heart rates and mean arterial pressure were recorded by powlab/8sp electrophysiolograph. The blood gas analysis and electrolytes changes were, monitored. Results The state of an injury was severer in group Ⅲ than that in groupⅠand groupⅡ. Compared with groupⅠand groupⅡ, the respiration and heart rates in group Ⅲ were significantly faster ( P < 0.05). In addition, recirculating system and body heat regulation function were failure in group Ⅲ, as well as low temperature, high plasma osmotic pressure, hypsi-sodium, hyperchloraemia and metabolic acidosis were also vital sign of group El, which of all above them made live time of animals shorten and mortality rate increase. Conclusions The sea environment is one of important influence factors that cause the changes of vital signs and biochemical indicator after CICFW.

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