It was reported in a journal article with title: postoperative hypoesthesia and pain: qualitative assessment after open and laparoscopic inguinal hernia repair.The aim of this study was to objectively assess chronic hypoesthesia and pain after inguinal hernia repair using von frey monofilaments and to compare open suture, open mesh, and laparoscopic techniques.Between january 1995 and november 2003, a total of 96 patients who underwent clinical examination and completed questionnaires were included in the study.Patients were grouped according to the type of hernia repair: in group a, 40 patients (38 male and 2 female; median age: 61; age range: 28-77) underwent open suture repair using a modified two-layer shouldice repair 2-0 using a polypropylene suture; in group b, 20 patients (20 male; median age: 62; age range: 45-83) underwent open mesh repair using a standard lichtenstein procedure with prolene polypropylene mesh (ethicon); and in group c, 36 patients (31 male and 5 female; median age: 57; age range: 28-70) underwent laparoscopic hernia repair using a transperitoneal or preperitoneal approach.Reported complications in group b included recurrent hernia (n-1), overall postoperative pain (n-6), pain occurring at least once a week (n-5), hypoesthesia (n-65%), hypoesthesia in the sensory region of the ilioinguinal and genitofemoral nerves (n-45%), chronic pain (n-?) and allodynia (n-1).In conclusion, the incidence of hypoesthesia in patients who had laparoscopic hernia repair is significantly lower than in those who had open hernia repair.Hypoesthesia after laparoscopic but not after open repair is significantly associated with postoperative pain.
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