Post-operative epidural analgesia with low dose fentanyl, adrenaline and bupivacaine in children after major orthopaedic surgery. A prospective evaluation of efficacy and side effectsSummary children when pain evaluation was made on active movement. No cases of seizures, signs of catheter The efficacy and side effects of 100 lumbar epidural migration, hypotension or respiratory depression treatments with low concentrations of bupivacaine were observed. Sixty-three per cent of the patients (1 mg mL −1 ), fentanyl (2 g mL −1 ) and adrenaline (2 g experienced nausea or vomiting, but antiemetic treat-mL −1 ) combined with rectal paracetamol were proment was indicated in only 11%. One epidural treatspectively evaluated in children aged 4-14 years after ment had to be stopped in a child who did not respond femoral osteotomy. The mean treatment time was 43 h to antiemetics. The incidence of pruritus was high and the mean dose was 0.18 mL kg −1 h −1 . Ninety-nine (49%), but the symptoms were mild and limited. per cent of the children were either without pain or experienced very low pain at rest for at least 80% of