Correlation of plasma and tissue oxidative stresses in intra-abdominal sepsis

被引:48
作者
Koksal, GM
Sayilgan, C
Aydin, S
Oz, H
Uzun, H
机构
[1] Istanbul Univ, Dept Anaesthesiol, Cerrahpasa Med Fac, Istanbul, Turkey
[2] Istanbul Univ, Dept Biochem, Cerrahpasa Med Fac, Istanbul, Turkey
关键词
antioxidant; glutathione; oxidant; malonm dialdehyde; sepsis; intra-abdominal sepsis;
D O I
10.1016/j.jss.2004.07.246
中图分类号
R61 [外科手术学];
学科分类号
摘要
Background. The aim of this study was to investigate the correlation between plasma and tissue oxidative stress and the antioxidative response, by measuring malon dialdehyde (AIDA) and glutathione (GSH) in late sepsis induced by cecal ligation and perforation. Materials and methods. A prospective, randomized, controlled experimental study in rats was done. Forty rats, weighing 200-250 g, were randomly divided into two groups (n = 20). In group 1, laparotomy was performed under aseptic conditions, and the cecum ligated and perforated. The abdomen was closed. In group 2, sham control, there was only laparotomy. Twenty-four hours later, blood samples were taken by cardiac puncture for plasma MDA and GSH, followed by harvesting of samples from lung, liver, kidney, and heart in both groups. Results. In the liver, lung, plasma, heart, and kidney, MDA concentrations were increased in the sepsis group after 24 h (P < 0.001 for all organ samples). In the same organs, GSH concentrations were decreased by sepsis (P < 0.001 for all organ samples). In both groups, plasma MDA was positively correlated to MDA in heart (r = 0.82, P < 0.001), liver (r = 0.76, P < 0.001), lung (r = 0.78, P < 0.001), and kidney (r = 0.73, P < 0.001). Similarly, plasma GSH was positively correlated to GSH in liver (r = 0.939 P < 0.001), heart (r = 0.86, P < 0.001), lung (r = 0.91, P < 0.001), and kidney (r = 0.79, P < 0.001). Conclusions. Plasma MDA and GSH were positively correlated with tissue MDA and GSH in intra-abdominal sepsis in a rat model. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:180 / 183
页数:4
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