Langenbeck's Archives of Surgery

, Volume 385, Issue 1, pp 2–9

Inflammatory response after laparoscopic and conventional colorectal resections – results of a prospective randomized trial

  • W. Schwenk
  • C. Jacobi
  • U. Mansmann
  • B. Böhm
  • J. M. Müller
ORIGINAL ARTICLE

Abstract 

Background: Short-term benefits of laparoscopic relative to conventional colorectal resections have been demonstrated in randomized controlled trials. It has been suggested that a diminished cytokine and acute-phase response may be responsible for these advantages. Methods: In a randomized controlled trial, patients underwent laparoscopic (n=30) or conventional (n=30) resection of colorectal tumors. Plasma levels of interleukin-1 receptor antagonist (IL-1RA), interleukin-6 (IL-6), interleukin-10 (IL-10), and C-reactive protein (CRP) were analyzed repeatedly. Postoperative peak levels and area under the curve values were calculated and compared between groups using the Mann-Whitney U-test. Results: Patient characteristics, preoperative cytokine, and CRP plasma levels were not different between each group. Postoperative peak concentrations of IL-6 (P=0.05) and CRP (P<0.001) and the overall postoperative plasma concentrations of IL-6 (P=0.03) and CRP (P=0.002) were lower in the laparoscopic than in the conventional group. Peak and overall IL-1RA (P=0.2; P=0.2) and IL-10 (P=0.4; P=0.6) plasma concentrations, respectively, were not different between groups. Conclusions: IL-6 and CRP plasma levels were lower after laparoscopic than conventional colorectal resections. The less intense inflammatory response may be an indicator of the milder surgical trauma inflicted by laparoscopic than conventional colorectal resection.

Key words Colorectal resections Laparoscopic surgery Cytokines Acute-phase reaction 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • W. Schwenk
    • 1
  • C. Jacobi
    • 1
  • U. Mansmann
    • 2
  • B. Böhm
    • 1
  • J. M. Müller
    • 1
  1. 1.Department of General, Visceral, Vascular and Thoracic Surgery, Benjamin Franklin Medical School, Medizinische Fakultät der Humboldt-Universität zu Berlin, Charité, Schumannstr. 20/21, D-10117l Berlin, Germany, e-mail: schwenk@charite.de, Tel.: +49-30-28025048, Fax: +49-30-28021175DE
  2. 2.Institute for Medical Statistics, Epidemiology and Computer Science, Benjamin Franklin Medical School, Free University of Berlin, GermanyDE

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