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Port-site hernia following laparoscopic cholecystectomy
1North Devon District Hospital, Barnstaple, Devon, United Kingdom. davidbunting@doctors.org.uk
Background:
Port-site hernia is a rare but potentially serious complication of laparoscopic cholecystectomy. This study aimed to review the current literature, assess the incidence and causes of port-site hernias, and identify methods to reduce the risk.
Methods:
A systematic search of the literature published in English from 1995 to 2010 was conducted using PubMed to identify all reports of port-site, trocar-site, or incisional hernia following laparoscopic cholecystectomy. Studies in over 100 patients were identified before the application of defined exclusion criteria. The incidence of port-site hernia was calculated and compared with historical data. Predisposing factors were reviewed.
Results:
Seven studies met the search criteria, with 99 port-site hernias in 5984 patients. The overall incidence of port-site hernia was 1.7% (range, 0.3% to 5.4). The most important factors were older age, higher body mass index, preexisting hernia, trocar design, trocar diameter, increased duration of surgery, and extension of the port site for gallbladder extraction.
Conclusion:
The incidence of port-site hernia is low but likely to be underestimated and has not declined over time. Awareness of the predisposing factors and modification of techniques may help to reduce the risk.
