[The peridural catheter for domiciliary analgesia: a therapy for cancer pain]

An epidural catheter can be chosen for domiciliary oncological pain relief when relief is not achieved with oral drugs. The patient/relatives put in the central nervous systems the analgesic solution, through this peridural catheter. This article discusses how pain relief occurs, the infusion systems of opioids in the peridural space, the complications and side effects of this therapy.