Recurrent inguinal hernia after laparoscopic repair: Possible cause and prevention

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Abstract
Eleven patients with recurrent inguinal hernia after laparoscopic hernia repair were referred for treatment. A medial recurrence associated with a mature peritoneal sac was identified in each case. The prosthetic mesh medial to the inferior epigastric artery had rolled away from the pubic ramus to expose Hesselbach's triangle. All cases were successfully treated by insertion of a second mesh to cover the defect and overlap the original mesh. To date there have been no further recurrences. Lessons learnt from experience of such laparoscopic transperitoneal hernia repair include that: the prosthetic mesh must be placed so that it reaches or crosses the midline; at least three staples should fix the mesh to the pubic ramus; a large mesh (13 ± 9 cm) with a greater surface area should reduce the pressure tending to disrupt the mesh; and bilateral hernia is best managed by inserting a single piece of mesh (28 ± 9 cm) fully unfolded as it crosses the midline to ensure coverage of both medial direct defects (‘bikini repair’). Application of these principles may reduce the incidence of recurrence after laparoscopic inguinal hernia repair.