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Importance of mesh overlap on hernia recurrence after open umbilical hernia repair with bilayer prosthesis

Jose L Porrero¹, Oscar Cano-Valderrama², María J Castillo¹

¹Department of Surgery, Hospital Universitario Santa Cristina, Madrid, Spain.

American Journal of Surgery

|February 13, 2018

Abstract

Background:

importance of mesh overlap on recurrence after open umbilical hernia repair has been poorly studied.

Methods:

a retrospective cohort study was performed with patients who underwent open umbilical hernia repair with bilayer prosthesis between 2004 and 2015.

Results:

1538 patients were included. Fifty patients (3.3%) had a mesh overlap lower than 1 cm. After a mean follow-up of 4.1 years 53 patients (3.5%) developed a recurrence. Recurrence was associated with a mesh overlap smaller than 1 cm (10.2% vs. 3.3%, p = 0.010, OR = 3.3). In the logistic regression model an overlap smaller than 1 cm was not statistically associated with recurrence (OR = 2.5, p = 0.123). Female gender, postoperative complications and prosthesis size were associated with hernia recurrence.

Conclusions:

mesh overlap seems to be an important factor for hernia recurrence. A mesh overlap of at least 1 cm should be used until more studies are performed about this issue.

Keywords:

Bilayer prosthesis Hernia recurrence Mesh overlap Umbilical hernia

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