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[Immune disorders during postoperative peritonitis].

J Petit, M L Eustache, D Gilbert

    Annales Francaises D'Anesthesie Et De Reanimation
    |January 1, 1984
    PubMed
    Summary
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    Patients with postoperative peritonitis exhibit impaired cell-mediated immunity, evidenced by reduced lymphocyte responses. This immune dysfunction may contribute to their poor prognosis and increased sepsis risk.

    Area of Science:

    • Immunology
    • Surgical Infections

    Context:

    • Postoperative peritonitis carries a severe prognosis despite advances in care.
    • Impaired delayed hypersensitivity skin test responses are linked to increased sepsis risk in these patients.

    Purpose:

    • To investigate the mechanisms of anergy in patients with postoperative peritonitis by assessing cellular and humoral immunity.
    • To correlate immune status with clinical outcomes and identify potential contributing factors.

    Summary:

    • Cellular immunity was evaluated in 12 patients using in vitro tests, revealing decreased lymphocyte counts and impaired mitogen-induced lymphocyte transformation in a majority of cases.
    • Humoral immunity showed increased IgA concentrations in 80% of patients, while complement levels were decreased in 33.3%.
    • Anergy was widespread, with 91.7% of patients showing no response to tuberculin and negative leukocyte migration inhibition tests.

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    Impact:

    • Identifies specific immune deficits in postoperative peritonitis, including T-cell dysfunction and anergy.
    • Suggests that underlying conditions, sepsis severity, and treatments may contribute to immune suppression.
    • Highlights the need for further research into serum inhibitors as a cause of anergy and potential therapeutic targets.