Radiolunate arthrodesis. Factor of stability for the rheumatoid wrist.

Spontaneous radiolunate arthrodesis found in nearly 13% of rheumatoid wrists confer on this joint a durable physiologic orientation with reduced but sufficient mobility. Twelve cases of this type of fusion were studied radiologically and clinically with an average follow-up of 5 years. The authors advise surgical arthrodesis as a supplementary procedure with synovectomy every time there is instability of the carpal articulation with ulnar disalignment. Seven cases are reported, 4 of which are presented in detail. The operative technic and indications are discussed briefly.