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Related Experiment Videos

Liver involvement in sickle cell disease.

C S Johnson, M Omata, M J Tong

    Medicine
    |September 1, 1985
    PubMed
    Summary
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    Sickle cell disease can cause liver dysfunction due to various conditions, not just the hemoglobinopathy itself. Hepatitis B infection was a notable cause in many patients studied.

    Area of Science:

    • Hematology
    • Hepatology
    • Internal Medicine

    Background:

    • Sickle cell disease (SCD) is a group of inherited red blood cell disorders.
    • Hepatic dysfunction is a known complication of SCD, but its causes are not fully understood.
    • Previous attributions focused on sickling within liver sinusoids and Kupffer cell activity.

    Purpose of the Study:

    • To clarify the features and causes of hepatic dysfunction in sickle cell disease.
    • To investigate the role of coexisting medical conditions in liver abnormalities in SCD patients.

    Main Methods:

    • Serial liver function tests were performed over five years.
    • 100 patients with sickle cell anemia and 30 with hemoglobinopathy SC were studied.
    • Liver biopsies were analyzed for pathological findings.

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    Main Results:

    • 32 patients had chronic liver function abnormalities.
    • Hepatitis B infection was identified in 19 sickle cell anemia and 6 hemoglobinopathy SC patients.
    • Other causes included hepatitis, common duct obstruction, and alcoholic liver disease.
    • Intrasinusoidal sickling and Kupffer cell erythrophagocytosis were common but not correlated with test abnormalities.
    • Bilirubin levels showed a trimodal distribution in sickle cell anemia.

    Conclusions:

    • Hepatic dysfunction in SCD can result from conditions beyond the hemoglobinopathy itself.
    • Hepatitis B is a significant, treatable cause of liver disease in this population.
    • Further investigation is needed to understand the trimodal bilirubin distribution.