One review investigated surgical management of chronic pain after inguinal hernia repair (examining neurectomy and mesh, or staple removal, as possible treatments) (Aasvang & Kehlet, 2005; LoE 1):

A second review investigated the incidence, severity and consequences of chronic pain after mesh repair of inguinal hernia (Nienhuijs 2007; LoE 1):

A third review identified the studies investigating the influence of different types of nerve management during hernia repair (Wijsmuller 2007; LoE 1):