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PubMed1999

The role of the spleen, especially regarding changes in both thromboxane A2 and the remnant liver dysfunction after extensive hepatectomy.

The plasma levels of thromboxane B2 (TxB2) and 6-keto-prostaglandin F1alpha (6-KF) in the peripheral and portal blood increase after an extensive hepatectomy, and even more so in cases with complications. In this cell biological study, we estimated the prostanoids in the portal system to clarify which organ produces them, while also evaluating the effect of a splenectomy in conjunction with an extensive hepatectomy. Our results showed that the level of TxB2 in the splenic vein was significantly higher than that in the mesenteric vein. Furthermore, the TxA2 produced by splenic macrophages after an extensive hepatectomy was significantly more than after a sham operation. We also observed the hepatocyte damage to be less in the group that underwent an 84% hepatectomy and splenectomy than in the group that underwent the same hepatectomy without a splenectomy. It therefore appears important both to suppress the splenic macrophages from producing TxA2 and to prevent remnant hepatic dysfunction after an extensive hepatectomy.

6-Ketoprostaglandin F1 alpha↗
PubMed1983

Steatohepatitis in obese children: a cause of chronic liver dysfunction.

Adult obese patients have been reported to present with hepatic abnormalities characterized by fatty hepatitis, fibrosis, and cirrhosis. These abnormalities however, have not been reported to occur in children. We report three obese children with steatohepatitis that presented with nonspecific abdominal pain and abnormal liver-function tests. Obese children should have a thorough investigation of their liver function even in the absence of symptoms or signs.

Adolescent↗