Anterior tension-free and laparoscopic inguinal herniorrhaphies represent one of the most common surgical procedure. Postherniorrhaphy persistent pain due to injures of inguinal regional nerves is rare, difficult to cure, often disabling and involving malpractice litigation. In a prospective study, we evaluated the effectiveness of neurectomy of the iliohypogastric nerve in prevention of postoperative persistent pain after anterior tension free herniorrhaphy. Between 1992-1995, we performed 180 anterior herniorraphies in 151 male patients. Iliohypogastric nerve was removed in all the herniorrhaphies. Polypropylene plug and sutured mesh were employed. Postoperative pain and clinical relevance of hypo-anesthesia and paresthesia were assessed. No patient complained of postoperative persistent pain. Hypo-anesthesia, never considered incapacitating, was present in 1% of patients after 2 years. We consider neurectomy of the iliohypogastric nerve a potentially useful surgical step in preventing postoperative persistent pain after anterior tension-free herniorrhaphy.
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