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Low risk of trocar site hernia repair 12 years after primary laparoscopic surgery

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The risk of trocar site hernia (TSH) may be 0–22%, but no large scaled data with long-term follow-up are available. The purpose of this study was to estimate the long-term risk of TSH repair.


All patients in Denmark who underwent a laparoscopic procedure in 1997 were identified using the Danish National Patient Register and followed during a 12-year period. Hospital records for patients with an incisional or umbilical hernia repair were tracked and manually analyzed for possible relationship between reoperation and the initial laparoscopy.


We included 7,626 patients. During follow-up, we identified 95 patients with TSH repair with a cumulative risk of 1.3% being lowest after minor gynecological procedures and appendectomy and highest after fundoplication, cholecystectomy, and oophorectomy. The TSH was mainly at the umbilicus site (n = 63, 66%), and 15 (16%) of the TSH repairs were performed as an emergency procedure.


The long-term risk of TSH repair is low, but the risk of an emergency operation for TSH is relatively high, which suggests that all patients with a TSH should be offered elective repair.

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Frederik Helgstrand, Jacob Rosenberg, Henrik Kehlet, and Thue Bisgaard have no conflicts of interest or financial ties to disclose.

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Correspondence to Frederik Helgstrand.

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Helgstrand, F., Rosenberg, J., Kehlet, H. et al. Low risk of trocar site hernia repair 12 years after primary laparoscopic surgery. Surg Endosc 25, 3678–3682 (2011).

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