The hepatoprotective effect of hypothermic perfusion of normal saline in period of inflow occlusion of liver in rats

The Journal of Surgical Research
Xiaohui FuMengchao Wu

Abstract

Liver damage in hepatic surgery from warm ischemia and reperfusion (I/R), especially in patients with underlying chronic liver disease, is still challenging. We propose a new method of perfusion of the liver by catheterizing the umbilical vein in the period of hepatic inflow occlusion, and evaluate the influence of transfusion of normal saline (NS) on liver injury in a modified I/R rat model. Twenty-eight rats were randomized into four groups (n=7): group I (sham-operated group): no I/R or transfusion; group II (I/R group): I/R + no transfusion; group III (37°C NS group): I/R + transfusion of 37°C NS ; group IV(24°C NS group): I/R + transfusion of 24°C NS. Aspartate aminotransferase (AST), alanine aminotransferase (ALT), as well as lactate dehydrogenase (LDH) were measured in rat serum. Light and electron microscopic examinations were performed on the liver tissues. Perfusion of 24°C NS in the period of inflow occlusion resulted in significant reductions of liver enzymes levels compared to the I/R alone group and 37°C NS group (P<0.001 and P<0.001, respectively). Histologic evaluation revealed the injury grade to be relatively lower in group IV compared to group II and III (P<0.001 and P<0.001, respectively). This new hypotherm...Continue Reading

References

Apr 1, 1997·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·C PeraltaJ Roselló-Catafau
Nov 28, 2000·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·M SelznerP A Clavien
Jun 24, 2005·American Journal of Surgery·Elijah DixonFrancis Sutherland
Jul 6, 2007·European Journal of Pharmacology·Amr A FouadHala K Maghraby

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