[Chronic pain in children: a largely unknown or forgotten fact?]

It is described the experience of the first 130 patients specifically treated by the first Spanish Unit of Chronic Pain in Children. The mean age of the patients was 7.6 years (SD 5.1). Sex distribution was 6:4 for male:female. The more frequents causes of pain were: Hematologic cancer (35%), neuropathic pain (15%) and juvenile chronic arthritis (12%). The mean duration of pain prior to pain treatment was 295 days. The main therapeutic option was treatment with opiate agents (79%) during a mean period of time of 111 days and mean decrease of 88.1% in pain intensity.