SummaryA retrospective multicentre study of the complications observed after regional anaesthesia in children was undertaken in 1991 at the request of the association of Anesthésistes‐Réanimateurs Pédiatriques d'Expression Française (ADARPEF). The incidence of accidents seen in the study was comparable to that found in the literature. Five cases which were exceptional due to the severity of the sequelae have been analysed separately. Different pathophysiological mechanisms are pro