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  • Title: Cytokine response to human liver ischemia-reperfusion injury during hepatectomy: marker of injury or surgical stress?
    Author: Hanazaki K, Monma T, Hiraguri M, Ohmoto Y, Kajikawa S, Matsushita A, Nimura Y, Koide N, Adachi W, Amano J.
    Journal: Hepatogastroenterology; 2001; 48(37):188-92. PubMed ID: 11268962.
    Abstract:
    BACKGROUND/AIMS: The aim of this study was to evaluate the inflammatory or antiinflammatory cytokine response to ischemia-reperfusion during hepatectomy and to find a useful marker of injury or surgical stress during hepatic ischemia-reperfusion. METHODOLOGY: In 9 patients with liver disease who underwent hepatectomy using the Pringle maneuver, serum cytokines, including alanine transaminase, aspartate transaminase, and hyaluronic acid, were measured just prior to vascular occlusion; 5, 10 and 15 min after initial clamping; and 3 min after initial declamping. RESULTS: The mean concentrations of aspartate transaminase and alanine transaminase did not significantly differ before and after ischemia-reperfusion during hepatectomy. However, mean concentrations of hyaluronic acid after ischemia-reperfusion were significantly (P < 0.03) higher than before clamping. Although there were no significant differences in the mean concentrations of IL-1 beta, IL-6, IL-8, IL-10 and TNF-alpha among, before and after ischemia-reperfusion, the mean concentrations of granulocyte colony-stimulating factor after ischemia-reperfusion and macrophage colony-stimulating factor after reperfusion were significantly (P < 0.05) higher than before clamping. CONCLUSIONS: Although hepatic parenchymal cell function was maintained after ischemia-reperfusion during hepatectomy, sinusoidal endothelial cell dysfunction was found. Release of granulocyte colony-stimulating factor and macrophage colony-stimulating factor after ischemia-reperfusion were also found. These cytokines and hyaluronic acid may be useful indicators in the early phase of human ischemia-reperfusion injury during hepatectomy.
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