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Delta hepatitis in Denver.

W G Rector, S Govindarajan, K A Penley

    The Western Journal of Medicine
    |July 1, 1988
    PubMed
    Summary
    This summary is machine-generated.

    Hepatitis D virus (HDV) infection is uncommon in hepatitis B virus (HBV) infected patients in mid-US. Denver showed a low HDV prevalence, particularly in intravenous drug users, compared to other major cities.

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    Area of Science:

    • Hepatology
    • Virology
    • Infectious Diseases

    Background:

    • Hepatitis B virus (HBV) infection is prevalent globally.
    • Hepatitis D virus (HDV) is a unique RNA virus that requires HBV for replication.
    • The prevalence of HDV co-infection in HBV-infected individuals in the mid-United States was not well-established.

    Purpose of the Study:

    • To determine the prevalence of HDV infection among HBV-infected patients in Denver, Colorado.
    • To compare HDV prevalence in different risk groups within the HBV-infected population.

    Main Methods:

    • Retrospective analysis of 65 patients with HBV infection treated between 1983 and 1986.
    • Testing for anti-delta antibody to detect HDV co-infection.
    • Stratification of prevalence by clinical presentation (acute vs. chronic hepatitis B) and risk factors (male homosexuals, intravenous drug users).

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    Main Results:

    • Five out of 65 patients (7.7%) tested positive for anti-delta antibody, indicating HDV co-infection.
    • HDV prevalence was higher in chronic hepatitis B (4/37) compared to acute hepatitis B (1/28).
    • Prevalence in male homosexuals was 3/32, similar to other reports, but incidence in intravenous drug users was low (1/16).

    Conclusions:

    • Denver had a low incidence of HDV co-infection among HBV-infected patients during the study period.
    • The low prevalence in intravenous drug users likely contributes to the overall low HDV incidence in Denver compared to other regions.
    • Further research is needed to understand geographic variations in HDV prevalence.