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Ischaemic pain in Buerger's disease

A female patient with Buerger's disease developed severe ischaemic pain in her left index finger which was refractory to several therapeutic measures. A silastic catheter inserted in the region of the, median nerve at the elbow was topped up intermittently with local anaesthetic for 6 weeks and effected excellent analgesia. The catheter was removed when the pain had abated, and the finger tip later amputated.