Abstract
This article aims to present clinical efficacy and the safety of anestesic peridural block at as interventional treatment in chronic pain control. The chronic pain is a recorrent and difficult to control symptom in several clinical entities with complex pathophysiological mecanisms that create social, fisical and mental importants repercussions to the population, besides implying hight costs in health service and to economy. Among the options of intervention and symptom control, the peridural or epidural block presents as an alternative to cirurgical procedures and the indication is related to resistance to conventional treatment, as hight oral, transdermic or sistemic opyoids doses. Thereby, the results of this review article emphasize the clinical intervention to interrupt nociceptive stimulation by peridural block, as a safe method, with good cost-effective and satisfatory analgesic effect, that implies in a considerable and effective option to chronic pain control. Therefore, it's necessary ongoing cientific studies of this technique, aiming for improvement, reduce costs and increased therapeutic clinical efficacy.