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Effects of oral fluid resuscitation on circulatory oxygen dynamic parameters in dogs with burn shock / 中华急诊医学杂志
Chinese Journal of Emergency Medicine ; (12): 397-400, 2009.
Article in Chinese | WPRIM | ID: wpr-395578
ABSTRACT
Objective To investigate the effect of oral fluid resuscitation on circulatory oxygen dynamic parameters in dogs with burn shock.Method Eighteen male Beagle dogs were surgically prepared for the cannulation of carotid cartery and jugular vein,subjected to flame injury 50%total body surface area(TBSA)with fullthick ness 24 hours later,and they then randomly divided into 3 equal groups.The oral fluid resuscitation group (OR group)was intragastrieally injected with infusion of glucose-electrolyte solution(GES)according to parkland formula 0.5h after burn with a dose of 4mL·kg-1·% TBSA-1.Intravenous (IV) GES resuscitation group (VR group)was intravenously injected with infusion of GES as the same dose as OR group,and no-fluid resuscitation (NR)group did not receive any treatment during the first 24 hotrs.In the second 24 hours,all dogs received Ⅳ fluid resuscitation.At the end of 72 hours of injury.the mortality in each group was recorded.The mean arterial arterial pressure(MAP),hematocrit(HCT)and blood lactic acid(LAC)were determined,and blood gas analysis was evaluated for oxygen delivery(DO2),oxygen consumption(VO2)and oxygen uptake(O2ext)before injury and 2,4,8,24,48 and 72 hours after injury.Results Burn injury resulted in a 77.1%decrease in MAP,and a 48.5% increase in HCT and 533.7%increase in LAC in NR group,followed by pngressively lowering of DO2,VO2 and Oext till all animals died with in 24 hours after burn.MAP and HCT levels oftwo resuscitation groups gradually returned to the pre-injury levels within 72 hours after burn,but the LAC levels sill remained significantly higher than the pte-injury levels(P<0.01).The MAPs of OR group were higher at corresponding intervals within 24 hours post burn than those of NR group(P<0.01),but they were lower than those of VR group(P<0.01).The serum LAC in OR group was markedly lowered than that in NR group,but it was higher than that in VR group.Twenty-four hours after burn injury,the DO2 level in OR group showed no significant differences compared with that of the VR group,but the levels of the VO2 and Oext were still much lower than those of VR group (P<0.01).At the end of 72 hours,3 dogs of NR group died and none of IV group died.Caadusions Oral fluid resuscitation improves oxygen dynamic,alleviates hyperlactacidemia and reduces the mortality of animals with severe burn shock.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2009 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2009 Type: Article