• P H K Mak, M G Irwin, and S L Tsui.
• Division of Pain Management, University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong. makphk@yahoo.com
• Acta Anaesthesiol Scand. 2003 Jan 1;47(1):94-7.

AbstractThree patients were referred to our pain clinic with evidence of complex regional pain syndrome in their extremities. Two presented at the atrophic stage with joint contractures. Multiple analgesics had been prescribed without long-lasting relief. Physiotherapy was required to improve physical activity but was severely limited by pain. We instituted local anaesthetic infusion with the possibility of self-supplementation to facilitate physiotherapy; two via brachial plexus catheters for hand pain and one via epidural catheter for knee pain. Although their resultant pain scores were variable after cessation of local anaesthetic infusion, all the affected joints exhibited marked improvement in range of movement. We propose that this technique is a useful option for patients in all stages of complex regional pain syndrome where the emphasis is now directed toward functional improvement.

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