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Immunologic postoperative competence after laparoscopy versus laparotomy.

G Bolla1, G Tuzzato

  • 1Department of Surgery, Ospedale Civile of Dolo, Riviera 29 Aprile 2, 30031 Dolo, VE, Venice, Italy.

Surgical Endoscopy
|June 12, 2003
PubMed
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Surgical approach impacts immune function. Laparotomy surgery causes a longer-lasting decrease in immune cells, specifically monocytes expressing HLA-DR, compared to laparoscopy. This highlights differences in immune response post-surgery.

Area of Science:

  • Immunology
  • Surgical Science
  • Clinical Research

Background:

  • Sepsis is a significant complication following surgery for hepatobiliary and colorectal diseases, increasing patient morbidity and mortality.
  • Postoperative immune function impairment may heighten susceptibility to infection.
  • This study compares perioperative and postoperative immune responses in patients undergoing laparoscopy versus laparotomy for benign conditions.

Purpose of the Study:

  • To investigate and elucidate the differences in immune responses between laparoscopic and open laparotomy surgical approaches.
  • To assess the impact of surgical method on cell-mediated immunity and specific immune cell subsets.

Main Methods:

  • Assessed immunologic function by counting lymphocyte subsets (CD3, CD4, CD8, CD3-HLA-DR, CD19, CD16, CD57) and monocytes expressing human leukocyte antigen DR (HLA-DR).

Related Experiment Videos

  • Collected blood samples preoperatively and 2 and 8 days post-surgery.
  • Utilized Student's t-test for statistical analysis of continuous variables, with p < 0.05 considered significant.

    • Main Results:

    • T-lymphocyte function decreased significantly 2 days after both laparoscopy and laparotomy, returning to preoperative levels by day 8.
    • Monocytes expressing HLA-DR showed a prolonged decrease post-laparotomy (significant at 2 and 8 days) but not post-laparoscopy.
    • B-cell and natural killer cell activity remained unaffected in both groups.

    Conclusions:

    • Laparotomy surgery leads to a more pronounced and lasting impairment of cell-mediated immune function compared to laparoscopy.
    • The findings suggest that surgical approach significantly influences postoperative immune recovery.