Does transumbilical incision increase incisional hernia at the extraction site of laparoscopic anterior resection?

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It is unclear whether transumbilical incision for laparoscopic colectomy has a risk of incisional hernia at the extraction site similar to left lower incision.Consecutive patients who underwent laparoscopic sigmoid plus high and low anterior resection between August 2008 and February 2011 were included in the study. Incision for specimen extraction was changed from left lower to transumbilical incision in February 2010. The main outcome was the incidence of incisional hernia diagnosed by computed tomography.One hundred and eighty-six patients underwent laparoscopic anterior resection (94 transumbilical incisions and 92 left lower transverse incisions). Three percent of patients had an incisional hernia at the extraction site, and the incidence of this phenomenon was not significantly different between the 2 groups. Surgical wound infection was lower in the transumbilical incision group than in the left lower incision group.Extraction site for transumbilical incision may not affect the risk of incisional hernia.

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