Surgical Endoscopy

, Volume 29, Issue 9, pp 2720–2727 | Cite as

Short and long-term outcomes of a randomised controlled trial of vertical periumbilical wound versus transverse left iliac fossa wound for specimen retrieval in laparoscopic anterior resections

  • Wah-Siew TanEmail author
  • Min-Hoe Chew
  • Kok-Sun Ho
  • Juriyah Binte Yatim
  • Joanne Siew-Foon Lai
  • Choong-Leong Tang



The ideal incision for laparoscopic specimen extraction is not known. There has been no randomised study thus far evaluating extraction site in laparoscopic colorectal surgery. The aim of our study was to compare post-operative outcomes, pain scores and quality of life scores of vertical periumbilical (VW) versus transverse left iliac fossa (TW) incisions for specimen extraction in laparoscopic anterior resections.


Using an assumption of pain score of 5 in the VW group versus pain score of 2 in the TW group, on day one post-operatively, and based on a 80 % statistical power of analysis to achieve a statistical difference with reduction in pain scores, the sample size per arm calculated was 16. Forty patients undergoing laparoscopic anterior resection were randomised to VW (n = 20) or TW (n = 20). Primary endpoint was post-operative pain. Secondary endpoints were post-operative outcomes, wound cosmesis using Hollander Cosmesis Score and quality of life assessment using EQ-5D at 2 weeks and 2 months post-operatively.


Median pain score on the first post-operative day was 2 in both groups (p = 0.360). There was no significant difference in wound infection rates, operative time or post-operative recovery. Cosmesis scores and EQ-5D scores were also similar in both groups. At a median follow-up of 30 months, the incidence of extraction site incisional hernia was similar.


Transverse and vertical incisions in laparoscopic colorectal surgery have similar post-operative outcomes, with similar pain scores, cosmesis scores, quality of life scores and incisional hernia rates.


Laparoscopic Colorectal Extraction site Wound complication Transverse incision Vertical incision 



Dr. Wah-Siew Tan, Dr. Min-Hoe Chew, Dr. Kok-Sun Ho, Miss Juriyah Binte Yatim, Miss Joanne Siew-Foon Lai and Associate Professor Choong-Leong Tang have no conflicts of interest or financial ties to disclose.


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Wah-Siew Tan
    • 1
    Email author
  • Min-Hoe Chew
    • 1
  • Kok-Sun Ho
    • 1
  • Juriyah Binte Yatim
    • 1
  • Joanne Siew-Foon Lai
    • 1
  • Choong-Leong Tang
    • 1
  1. 1.Department of Colorectal SurgerySingapore General HospitalSingaporeSingapore

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