Hepatic detoxification and hepatic function in chronic active hepatitis with and without cirrhosis

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Abstract
The detoxification capacity of the liver in chronic active hepatitis (CAH) without liver cirrhosis (LC) is not sufficiently known. Therefore, we examined, in 156 patients with morphologically proven CAH of different stages, plasma ammonia, free phenols, indican, glucuronic acid and urea synthesis rate as parameters for liver detoxification. We found a significant increase of ammonia, phenols, and indican and a significant decrease of glucuronic acid and urea synthesis rate parallel to the stage of CAH without LC. In 34 CAH patients with complete recovery, a retrospective 10-year follow-up was possible. Parallel to the normalization of liver morphology and general liver tests, detoxification parameters also normalized. However, the detoxification disorders in CAH without LC are mild in nature and do not produce hepatic encephalopathy. Probably, they are caused by a reduced synthesis of the urea-cycle enzymes and of glucuronyltransferase in the liver.

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