Carnitine metabolism in patients with chronic liver disease

Hepatology : Official Journal of the American Association for the Study of Liver Diseases
S Krähenbühl, J Reichen

Abstract

Carnitine metabolism was studied in 79 patients with chronic liver disease, including 22 patients with noncirrhotic liver disease and 57 patients with different types of cirrhosis (22 patients with hepatitis B- or C-associated cirrhosis, 15 patients with alcohol-induced cirrhosis, 15 patients with primary biliary cirrhosis [PBC], and 5 patients with cryptogenic cirrhosis), and compared with 28 control subjects. In comparison with control subjects, patients with noncirrhotic liver disease showed no change in the plasma carnitine pool, whereas patients with cirrhosis had a 29% increase in the long-chain acylcarnitine concentration. Analysis of subgroups of patients with cirrhosis showed that patients with alcohol-induced cirrhosis had an increase in the total plasma carnitine concentration (67.8 +/- 29.5 vs. 55.2 +/- 9.9 micromol/L in control subjects), resulting from increases in both the short-chain and long-chain acylcarnitine concentration. In this group of patients, the acylcarnitine concentrations showed a close correlation with the total carnitine concentration, and the total carnitine concentration with the serum bilirubin concentration. Urinary excretion of carnitine was not different between patients with noncirrhotic o...Continue Reading

Citations

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