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Background and purpose: Despite many improvements in abdominal wall hernia repair different ideas exists regarding the best method for hernia repair. There is high recurrent rate in Mayo repair method, therefore, this study was carried out to investigate the impacts of mesh in patients with small umbilical hernia (<1cm). Materials and methods: A randomized clinical trial was performed on 80 patients aged 20-70 years old who referred to Imam Khomeini Teaching Hospital in Sari. The patients were randomly divided into two groups of mesh repair and Mayo repair. Infection and recurrent of the hernia was assessed in the first week, first month and first year after the surgery. Results: Among 40 patients in Mayo repair group, infection was found in three patients and recurrence was observed in seven patients, however, no infection and recurrence was seen in the mesh repair group. There was significant difference regarding the recurrence between the two groups (P=0.004), while the difference regarding infection was not significant. Conclusion: Since Mayo method resulted in high recurrence of the umbilical hernia, using mesh could be a useful method in repairing even small defects in patients with risk factors such as obesity and multiparity.

Keywords: Umbilical hernia, mesh, Mayo technique

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