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Related Experiment Videos

Perioperative immune modulation

D Little1, M Regan, R M Keane

  • 1Department of Surgery, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin.

Surgery
|July 1, 1993
PubMed
Summary
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Operative trauma, particularly opening the peritoneum, suppresses immune response. Taurolidine administration prevented this suppression, suggesting a role in mitigating surgical immune deficits.

Area of Science:

  • Immunology
  • Surgical Research
  • Pharmacology

Background:

  • Operative trauma can significantly impact systemic immunity.
  • The specific contributions of skin incision versus peritoneal entry to immune suppression are unclear.
  • The potential of antiendotoxic agents like taurolidine to counteract postoperative immune deficits requires investigation.

Purpose of the Study:

  • To investigate the effects of operative trauma on systemic immune responsiveness.
  • To differentiate the immune effects of skin incision versus peritoneal breach.
  • To assess the efficacy of taurolidine in preventing surgical immunosuppression.

Main Methods:

  • Systemic immune responsiveness was quantified using the delayed-type hypersensitivity (DTH) response to 2-4 dinitro l-fluorobenzene (DNFB) in a rat model.

Related Experiment Videos

  • The impact of laparotomy and taurolidine on hepatic Kupffer cell populations was evaluated via immunohistochemistry.

    • Main Results:

    • Laparotomy significantly depressed cellular immunity (15.5% decrease) compared to controls (26.77%).
    • Peritoneal entry was identified as a critical factor, with minimal immune alteration observed in animals with incision only (20.5%).
    • Perioperative intraperitoneal taurolidine administration prevented the decrease in DTH response and increased Kupffer cell numbers.

    Conclusions:

    • Surgical procedures, especially those involving peritoneal entry, induce a significant decrease in immune responsiveness.
    • Taurolidine administration effectively prevents the immunosuppressive effects of laparotomy on DTH response.
    • Taurolidine may exert its protective effect by preventing perioperative portal endotoxemia and modulating Kupffer cell activity.