Spondyloarthropathy from long-term hemodialysis.

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Abstract
Twenty-six patients undergoing long-term hemodialysis who had hand and wrist abnormalities were examined for the presence of concurrent spinal disease. Six patients (23%) were found to have spinal disease on radiographs. In four, the findings resembled those of a destructive spondyloarthropathy, and in two, a less destructive erosive arthritis. A review of the spinal radiographs of 31 patients with normal hands and wrists revealed no such abnormalities. Postmortem examinations of two patients with spondyloarthropathy demonstrated extensive deposition of .beta.-2 microglobulin, an amyloid-like substance. The authors conclude that the disease is similar in both areas and represents a skeletal response to chronic renal failure and long-term hemodialysis. The disease may occur more frequently with an increased duration of hemodialysis, in one area of the skeleton if another area is already affected, and is probably not infectious if multiple areas are involved.

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