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Cholic acid conjugation test and quantitative liver function in acute liver failure
Scandinavian Journal of Gastroenterology
|September 1, 1983
Summary
Patients with acute hepatic encephalopathy showed reduced (24-14C)cholic acid conjugation, particularly in fatal viral hepatitis cases. This liver function test may indicate disease severity but a specific survival limit was not identified.
Area of Science:
- Hepatology
- Biochemistry
- Clinical Medicine
Background:
- Acute hepatic encephalopathy (AHE) is a severe complication of liver dysfunction.
- Assessing liver function is crucial for prognosis in AHE patients.
Purpose of the Study:
- To investigate specific liver metabolic functions in patients with AHE.
- To correlate these functions with patient survival and etiology (viral vs. toxic hepatitis).
Main Methods:
- Analyzed (24-14C)cholic acid conjugation and sulfation in 33 AHE patients.
- Measured plasma phenazone clearance and galactose elimination capacity.
- Quantified plasma glycocholic acid and glycolithocholic acid sulfate.
Main Results:
- Significantly lower (24-14C)cholic acid conjugation was observed in fatal viral hepatitis cases (p < 0.002).
- Galactose elimination capacity and phenazone clearance were insignificantly lower in these patients.
- Tauro-(24-14C)cholic acid was a major metabolite, but less so in toxic hepatitis.
- Glycolithocholic acid sulfate was present in all patients' plasma.
Conclusions:
- Impaired (24-14C)cholic acid conjugation is associated with mortality in viral hepatitis-induced AHE.
- Specific metabolic markers may reflect disease severity, but a definitive survival threshold was not established.
- Further research is needed to define prognostic markers for AHE.