Surgical Endoscopy

, Volume 15, Issue 2, pp 121–125

Efficacy of surgical measures in preventing port-site recurrences in a porcine model

  • C. Schneider
  • A. Jung
  • M. A. Reymond
  • A. Tannapfel
  • J. Balli
  • M. E. Franklin
  • W. Hohenberger
  • F. Köckerling
Original Articles

Abstract

Background

Port-site recurrences are serious complications of laparoscopy performed for cancer. Incidences reported in the literature vary between 0% and 21%, suggesting an influence of the surgeon.

Methods

The aim of this experimental, prospective, randomized, single-blind study was to investigate the influence that the quality surgery has on the incidence of port-site recurrences. After a 12-mmHg carbon dioxide (CO2) pneumoperitoneum was created, 107 human HeLa cell were injected into the peritoneal cavity of 18 pigs, creating a xenogeneic tumor. Laparoscopic sigmoid resections then were performed using four trocars and a transanal double-stapling technique. The following protective measures were applied in nine animals: trocar fixation, prevention of gas leaks, rinsing of instruments with povidone-iodine, minilaparotomy protection, rinsing of trocars before removal, peritoneal closure, and rinsing of all wounds with povidoneiodine. Surgeons and type of procedures were randomized. After 4 weeks, the animals were killed and all portsites excised. Blinded immunohistologic analysis with antihuman pancytokeratin antibody was performed.

Results

Tumor recurrence was present in 23 of 36 port sites (63.8%) in the control group, but only in 5 of 36 port sites (13.8%) in the group that received protective measures (p=0.002; Fisher’s exact test). No peritoneal carcinosis nor anastomotic recurrences were observed.

Conclusion

These results strongly suggest that the quality of surgical technique has an influence on the incidence of port-site recurrences. From now on, we propose to use these protective measures reoutinely in cancer laparoscopy.

Key words

Cancer laparoscopy Laparoscopy side effects Port-site recurrences Prevention 

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Copyright information

© Springer-Verlag New York Inc 2001

Authors and Affiliations

  • C. Schneider
    • 1
  • A. Jung
    • 1
  • M. A. Reymond
    • 2
  • A. Tannapfel
    • 3
  • J. Balli
    • 4
  • M. E. Franklin
    • 4
  • W. Hohenberger
    • 1
  • F. Köckerling
    • 1
  1. 1.Department of Surgery and PathologyUniversity of ErlangenGermany
  2. 2.Department of SurgeryUniversity of GenevaSwitzerland
  3. 3.Institute of PathologyUniversity of LeipzigGermany
  4. 4.Texas Endosurgery InstituteSan AntonioUSA

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