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Endogenous bile acid tolerance test for liver function.

M van Blankenstein, M Frenkel, J W van den Berg

    Digestive Diseases and Sciences
    |February 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    Serum conjugated bile acids (CBA) are not sensitive enough to detect all liver diseases. Levels were only significantly raised in moderate to severe liver conditions, failing to identify mild cases.

    Area of Science:

    • Hepatology
    • Biochemistry
    • Clinical Diagnostics

    Background:

    • Serum conjugated bile acids (CBA) are potential biomarkers for liver function.
    • Previous studies suggest CBA levels may correlate with liver disease severity.

    Purpose of the Study:

    • To evaluate the diagnostic sensitivity of serum CBA levels in patients undergoing liver biopsy.
    • To assess the correlation between CBA levels and the severity of liver disease.

    Main Methods:

    • Radioimmunoassay was used to measure fasting and postprandial serum CBA in 329 patients.
    • Results were analyzed in 231 patients across 10 diagnostic categories.
    • Comparison with healthy volunteers and assessment of stimulation quotient.

    Main Results:

    Related Experiment Videos

    • In healthy volunteers, CBA levels increased significantly postprandially.
    • Significantly elevated fasting and postprandial CBA were observed only in moderate to severe chronic and acute liver disease.
    • Diagnostic sensitivity was poor in mild liver disease, with normal results in 8 of 11 categories.
    • The stimulation quotient did not increase with advanced liver disease.

    Conclusions:

    • Serum CBA determination is not sufficiently sensitive to identify all cases of biopsy-proven liver disease.
    • The findings suggest a constant fractional clearance of bile acids by the liver.
    • CBA testing may not be a reliable standalone diagnostic tool for early or mild liver conditions.