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Postoperative changes in serum interleukin-2 concentrations

D F Altomare1, D Caccavo, M Rinaldi

  • 1Istituto di Clinical Chirurgica, Università di Bari, Italy.

The European Journal of Surgery = Acta Chirurgica
|July 1, 1997
PubMed
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Postoperative interleukin-2 (IL-2) levels did not significantly change after surgery, regardless of injury severity. Circulating IL-2 appears to be of limited value for monitoring immunosuppression in surgical patients.

Area of Science:

  • Immunology
  • Surgical Oncology
  • Critical Care Medicine

Background:

  • Interleukin-2 (IL-2) plays a crucial role in immune responses.
  • Postoperative immune modulation is a significant concern in surgical patients.
  • Understanding IL-2 dynamics after surgery is essential for patient management.

Purpose of the Study:

  • To investigate postoperative changes in serum Interleukin-2 (IL-2) concentrations.
  • To correlate IL-2 levels with surgical injury severity.
  • To assess the influence of other postoperative variables on IL-2 production.

Main Methods:

  • Prospective observational study involving 43 patients undergoing major, intermediate, or minor surgery and 24 healthy controls.
  • Serum IL-2 concentrations were measured on postoperative days 1, 3, and 8.

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  • Correlations were made with in vivo cellular immunity, operation duration, blood transfusions, H2-blockers, and antiprostaglandins.

    • Main Results:

    • No significant variations in serum IL-2 concentrations were observed postoperatively across different surgical severities.
    • Minor and intermediate operations showed no significant changes in median postoperative IL-2 values.
    • Major operations exhibited a slight, non-significant increase in IL-2 concentrations; no correlation with operation duration or blood transfusion was found.

    Conclusions:

    • Circulating IL-2 levels do not consistently reflect in vitro IL-2 production postoperatively.
    • Serum IL-2 appears to have limited utility in monitoring immunosuppression in surgical patients.
    • Further research may explore alternative biomarkers for assessing immune status after surgery.