Abstract
A 39 year-old farmer sustained a closed rupture of the left brachial artery, which was successfully managed by emergency vein graft repair of the artery. Adjacent nerve trunks were seen to be intact, but stretched. Burning pain in the distribution of the ulnar nerve started at day seven postoperatively, and worsened over the ensuing years. There was no response to membrane stabilising drugs, amitryptiline, nor to regional sympatholytic or local anaesthetic blocks. Neurolysis of the ulnar nerve, which was densely adherent to the dilated vein graft, abolished his pain.
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