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Chronic hepatic encephalopathy. A psychometrical study

S Rehnström, G Simert, J A Hansson

    Scandinavian Journal of Gastroenterology
    |January 1, 1977
    PubMed
    Summary
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    Psychometric testing revealed significant intellectual impairment in cirrhosis patients, often undetected by standard clinical evaluations. Verbal abilities were notably preserved, masking deficits in other cognitive domains.

    Area of Science:

    • Neuroscience
    • Hepatology
    • Psychology

    Background:

    • Hepatic encephalopathy (HE) is a neuropsychiatric complication of liver dysfunction.
    • Subtle cognitive deficits in cirrhosis patients may be missed by standard clinical assessments.
    • Psychometric testing offers a sensitive tool for detecting cognitive impairment in liver disease.

    Purpose of the Study:

    • To evaluate cognitive function in patients with cirrhosis and suspected hepatic encephalopathy using psychometric tests.
    • To compare psychometric findings with electroencephalogram (EEG) examinations and clinical investigations.
    • To identify factors influencing cognitive impairment in cirrhosis.

    Main Methods:

    • 41 patients with cirrhosis and suspected hepatic encephalopathy underwent psychometric testing.

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  • Results were compared with EEG examinations and clinical assessments.
  • Cognitive performance was analyzed in relation to cirrhosis etiology, alcoholism, and porto-systemic shunts.

    • Main Results:

    • Marked intellectual impairment was frequently observed, even with normal clinical evaluations.
    • Preserved verbal ability contributed to the discrepancy between psychometric and clinical findings.
    • Male cirrhotic patients (with or without alcoholism) showed more impairment than alcoholics without cirrhosis.
    • Patients with constructed porto-systemic shunts exhibited only slightly reduced intellectual ability.

    Conclusions:

    • Psychometric testing is crucial for detecting subclinical cognitive impairment in cirrhosis patients.
    • Verbal preservation can mask intellectual deficits in hepatic encephalopathy.
    • Alcoholism and porto-systemic shunts are relevant factors in cognitive dysfunction in cirrhosis.