• A Mishra, B D Keeler, C Maxwell-Armstrong, J A Simpson, and A G Acheson.
• Department of Colorectal Surgery, Queens Medical Centre, Nottingham University Hospitals, Nottingham, UK.
• Colorectal Dis. 2014 Oct 1; 16 (10): 815-21.

AimThe aim of this study was to evaluate the incidence of incisional hernia formation after laparoscopic and open surgery for colorectal cancer.MethodA retrospective analysis was conducted of 1057 colorectal cancer resection cases (289 laparoscopic, 768 open) performed in a single national laparoscopic training centre between January 2006 and December 2011. Clinical notes and serial computed tomography scans were reviewed, with any incisional hernia including those at a surgical incision, port site, stoma and stoma closure site identified and the size of the defect measured.ResultsThe overall incisional hernia rate was 14.8%. There was no significant difference between the open and laparoscopic groups (14.4% vs 15.9%, P = 0.566). Excluding stoma-related hernia, 10.7% of the open group developed a surgical wound hernia, and 11.1% of the laparoscopic group developed a hernia at a port site, extraction site or surgical midline incision. There was no statistical difference between the two groups (P = 0.853). The defects were smaller in the laparoscopic group (P < 0.005). There were significantly more parastomal hernias in the laparoscopic group (40%) than in the open group (12.7%, P < 0.001).ConclusionThe incidence of incisional hernia formation was similar after laparoscopic or open surgery for colorectal cancer. Parastomal hernia was more frequent after laparoscopic surgery.Colorectal Disease © 2014 The Association of Coloproctology of Great Britain and Ireland.

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