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find Author "JIANGYi-fan" 1 results
  • Study of Establishing of Pig Abdomen Bullet Wound Model in Seawater Immersion Condition and Its Injury Characteristics

    ObjectiveTo establish pig abdomen bullet wound model in seawater immersion condition and to analyze injury characteristics. MethodsTwenty Xishuangbanna pigs were randomly divided into seawater immersion group and control group,with 10 in each group.The left lower quadrant anti McBurney point of the pig semi-floating in the seawater was shot by using domestic 81-1 assault rifle at the distance of 10 meters,which were salvaged out of seawater at 60 minutes after injury in the seawater immersion group.The pigs in the control group were treated same as the seawater immersion group except seawater immersion.The mean arterial pressure (MAP),rectal temperature (RT),heart rate (HR),respiratory (R),white blood cell count (WBC),and C-reactive protein (CRP) were tested at 1 h,4 h,8 h after injury.The death of pig was observed. ResultsThe pig abdomen bullet wound models in the seawater immersion condition were successfully established.① Compared with the control group,the MAP and RT were significantly decreased at 1 h,4 h,8 h after injury,the HR or the R was significantly decreased at 4 h or 8 h after injury respectively in the seawater immersion group.② Compared with the normal value,the WBC obviously rose at 4 h and 8 h after injury,the CRP obviously rose at 1 h,4 h,and 8 h after injury in both two groups.Compared with the control group,the WBCs were significantly increased at 4 h and 8 h after injury (P<0.05),the CRPs were significantly increased at 1 h,4 h,and 8 h after injury (P<0.05) in the seawater immersion group.③ The mortality in the seawater immersion group (50%) was significantly higher than that in the control group (20%,P<0.05). ConclusionThe injury is more serious,the infection time is earlier,and the infection degree is aggravated,the mortality rate is higher for pig abdomen bullet wound model in seawater immersion condition.

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