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  • Title: [Primary sclerosing cholangitis: conventional and quantitative liver function tests during long-term therapy with ursodeoxycholic acid].
    Author: Schönfeld J, Zotz R, Mahl M, Beste M, Breuer N, Goebell H.
    Journal: Z Gastroenterol; 1996 Feb; 34(2):123-7. PubMed ID: 8659187.
    Abstract:
    Primary sclerosing cholangitis, a chronic cholestatic liver disease, frequently leads to an impairment of liver function. In nine men and two women, aged 23 to 57 years, we prospectively studied for three to six years the effect of treatment with ursodeoxycholic acid (UDCA) on liver function. 10 mg UDCA/kg bw significantly reduced serum activities of AP, gamma GT, AST and ALT for several years. After three years of treatment, however, serum concentration of bilirubin was higher than before therapy in eight out of eleven patients (1.8 +/- 0.8 versus 0.9 +/- 0.1 mg/dl; p = 0.01). Likewise, serum concentration of bilirubin was higher in eight out of nine patients after four years of treatment (1.3 +/- 0.3 versus 0.9 +/- 0.1 mg/dl; p = 0.03). In most cases, however, the increase was discrete. Parameters of synthetic liver function (coagulation, serum protein concentration, serum activity of cholinesterase) remained constant in the observation time. Quantitative liver function tests (galactose elimination capacity and indocyanine green half-life) also showed little variation in the observation time. We conclude that UDCA treatment significantly improves serum activities of liver enzymes for several years. Nevertheless, serum bilirubin concentration, believed to be of prognostic value in patients with PSC, seems to rise slowly over time. Serial determinations of galactose elimination capacity and indocyanine green halflife are not superior to conventional liver function tests in the timing of liver transplantation in the individual patient.
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