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[Transient immunosuppression after abdominal surgical intervention]
A Anania1, E Marchigiano, G Pene
1Dipartimento di Medicina Interna, Università, Torino.
Recenti Progressi in Medicina
|July 11, 1998
Summary
Laparoscopic cholecystectomy causes fewer immune system changes than open laparotomy. Immune parameters like T cells and NK cells were less affected by laparoscopy, indicating a potentially gentler surgical approach.
Area of Science:
- Immunology
- Surgical Oncology
- Minimally Invasive Surgery
Background:
- Surgery can induce transient immunodepression, typically resolving within 15-20 days.
- Understanding the immunological impact of different surgical techniques is crucial for patient recovery.
Purpose of the Study:
- To compare the immunological effects of laparotomic and laparoscopic cholecystectomy.
- To identify differences in cellular and humoral immunity parameters between the two surgical approaches.
Main Methods:
- Measured various immune parameters (IgG, IgA, IgM, C3, C4, granulocytes, lymphocytes, T cells, NK cells, etc.) before and at 24 hours, 7 days, and 14 days after surgery.
- Analyzed data from 12 patients undergoing laparotomic cholecystectomy and 25 patients undergoing laparoscopic cholecystectomy.
- Utilized flow cytometry for cell surface marker analysis (e.g., CD11c, CD19, CD3, CD4, CD8, CD16, CD14, CD25, HLA-DR, CD57).
Main Results:
- Granulocyte counts significantly increased in both groups, with a more pronounced and sustained rise in the laparotomy group.
- Total T cells, T helper cells, and NK cells decreased at 24 hours post-surgery exclusively in the laparotomy group.
- Laparoscopy was associated with less significant alterations in key immune cell populations compared to laparotomy.
Conclusions:
- Laparoscopic cholecystectomy appears to induce less substantial immunological changes than laparotomic cholecystectomy.
- The findings suggest that minimally invasive approaches like laparoscopy may offer advantages in preserving immune function post-surgery.