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[Ajmaline-induced hepatitis. A case report with ultrastructural study].

B Monges, G Monges, J Salducci

    Gastroenterologie Clinique Et Biologique
    |May 1, 1983
    PubMed
    Summary

    Ajmaline can cause liver injury, leading to cholestasis in susceptible patients. Prompt drug withdrawal resulted in complete recovery, highlighting the importance of recognizing drug-induced hepatitis.

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    Area of Science:

    • Hepatology
    • Pharmacology
    • Gastroenterology

    Background:

    • Ajmaline is an antiarrhythmic drug with potential hepatotoxic effects.
    • Drug-induced liver injury (DILI) presents a diagnostic challenge.
    • Cholestasis is a key feature of certain DILI cases.

    Observation:

    • A patient presented with symptoms suggestive of angiocholitis after ajmaline use.
    • Elevated serum bilirubin and alkaline phosphatase indicated cholestasis.
    • Liver biopsy revealed portal inflammation, hepatocytic changes, and biliary canaliculi abnormalities.

    Findings:

    • Electron microscopy showed disrupted hepatocyte microfilaments and enlarged biliary canaliculi.
    • Evidence of bile product leakage into the space of Disse was observed.
    • These ultrastructural changes resemble those seen after cytochalasin B administration.

    Implications:

    • Ajmaline may induce cholestasis by triggering an immune response that disrupts the hepatocyte cytoskeleton.
    • Understanding these mechanisms is crucial for diagnosing and managing ajmaline-induced liver injury.
    • This case highlights the need for vigilance regarding potential DILI from antiarrhythmic agents.

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