“…Therefore, the published studies are contradictory concerning the e½cacy of the di¨erent surgical procedures and the rate of satisfactory results. The only conclusion is that the postoperative results re¯ect the preoperative status regardless of the surgical procedure [5,6,19,28,32,55]. General agreement is also registered concerning the conservative treatment of patients with intermittent symptoms and the worse prognosis of patients complaining of symptoms lasting more than one year or with muscle atrophy [5,14,15,22,34,39].…”