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… Click to show full 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.
               
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