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  • Title: [Observation of the effect of early fluid resuscitation on hepatic fatty degeneration in rats after severe scald].
    Author: Xiao CH, Zhang HY, Shi NM, Liu DW, Zhang YJ, Huang PX.
    Journal: Zhonghua Shao Shang Za Zhi; 2006 Dec; 22(6):440-4. PubMed ID: 17438691.
    Abstract:
    OBJECTIVE: To investigate the efficacy of early fluid resuscitation on hepatic steatosis in rats after severe scald. METHODS: One hundred and forty-four Sprague-Dawley rats were enrolled in the study. In thirty-six rats skin of 30% TBSA was treated with cold water to serve as sham injury group. All other rats were inflicted with 30% full-thickness scald, and they were subdivided into 3 groups, i. e. scald group(S, without resuscitation), delayed resuscitation group ( DR, with Ringer's solution at 6 post-scald hour(PSH) ) and early resuscitation group( ER, with Ringer's solution immediately after scald). The hepatic tissues of the rats were harvested at 0.5, 1.0,2.0,3.0,7.0 post-scald hour( PSH) and on 21.0 PSD for the observation of pathological changes with light-microscope and transmission electron microscope. The serum contents of TC, TG, HDL, ALP were determined at the same time-points. Body weight of each rat was measured before blood sampling, and total liver weight after blood sampling. Liver weight/body weight ratio was recorded. RESULTS: Compared with sham injury group, the fat denaturation degree of hepatic tissue in ER group was obviously less than that in S and DR group . The serum level of high density lipoprotein (TC) , triglyceride ( TG) , and alkaline phosphatase (ALP) after scald increased ranking as S > DR > ER, while the level of HDL decreased in that order. The liver weight/body weight ratio of the rats in DR group on 1.0 PSD was obviously elevated compared with that in ER group( P <0. 05) , and there exhibited significant difference of liver weight/body weight ratio between DR and ER groups on 7. 0 PSD ( P < 0. 01). The liver steatosis had obvious negative correlation with HDL content after scald( r = -0. 37, P <0.01) , but it had positive correlation with the ALP content( r = 0. 45, P <0. 01), TG content( r = 0. 25, P <0. 01) and liver weight/body weight ratio( r = 0. 440, P <0. 01). The remaining parameters showed no correlation with the liver steatosis. CONCLUSION: Fluid resuscitation immediately after scald can ameliorate hepatic fatty degeneration, reduce its incidence, and beneficial to recovery of liver damage to a certain extent.
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