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The influence of laparoscopic surgery on postoperative polymorphonuclear leukocyte function
C Sietses1, M J Wiezer, Q A Eijsbouts
1Department of Surgery, Academic Hospital Vrije Universiteit, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
Surgical Endoscopy
|September 23, 2000
Summary
Laparoscopic surgery preserves immune function by maintaining polymorphonuclear leukocyte (PMN) phagocytosis and reducing cellular activation. This contrasts with conventional surgery, potentially lowering infection risk.
Area of Science:
- Immunology
- Surgical Research
- Cellular Biology
Background:
- Laparoscopic surgery is hypothesized to better preserve patient immune defenses compared to conventional methods.
- Polymorphonuclear leukocytes (PMN) are critical for combating microbial infections.
- Limited data exists on PMN function following laparoscopic procedures.
Purpose of the Study:
- To investigate the impact of laparoscopic versus conventional surgery on PMN function.
- To assess changes in PMN phagocytosis, antigen expression, and oxidative burst post-surgery.
Main Methods:
- 17 patients undergoing Nissen fundoplication were randomized to laparoscopic or conventional surgery.
- PMN phagocytosis of Staphylococcus aureus was measured.
- Plasma opsonic capacity, cellular activation (CD11b expression), and oxidative burst were assessed.
Main Results:
- Conventional surgery significantly reduced PMN phagocytosis and plasma opsonic capacity.
- Laparoscopic surgery showed no significant decrease in PMN phagocytosis or opsonic capacity.
- Laparoscopic surgery resulted in blunted cellular activation, evidenced by lower CD11b expression and oxidative burst.
Conclusions:
- Laparoscopic surgery preserves plasma opsonic capacity, enhancing PMN bacterial phagocytosis.
- Postoperative cellular activation is reduced following laparoscopic procedures.
- These preserved immune functions may mitigate postoperative infectious complications.