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Because of the high number of patients with chronic pain following inguinal hernia repair, a new, simple and safe method of repair is needed. Onstep is a new type of inguinal hernia repair that might be able to reduce postoperative acute and chronic pain. The aim of this study was to investigate if there were differences in early postoperative pain during the first 10 days between the Onstep and the Lichtenstein technique.

This was a double-blinded, randomized clinical trial conducted in five surgical departments in Denmark, from April 2013 to June 2014. Eligible participants for this study were male patients, >18 years, with a primary inguinal hernia. Experimental treatment in this study was the Onstep technique, which was compared with the Lichtenstein repair. Primary outcome was postoperative pain during the first 10 days following …