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Radiological Evolution of the Rheumatoid Wrist after Radio-Lunate Arthrodesis

From the Hand Surgery Unit, University Cantonal Hospital, Geneva, Switzerland

Correspondence: D. Delia Santa, Hand Surgery Unit, University Hospital of Geneva, 24 Micheli-du-Crest, 1211 Geneva, Switzerland.

Radio-lunate arthrodesis of the rheumatoid wrist is an established technique which has been in use for more than 12 years. The evolution of 26 operated wrists and 20 non-operated wrists has been studied with a mean follow-up of 5 years. The results show that although radio-lunate arthrodesis can prevent dislocation of an unstable wrist, it cannot prevent deterioration. Collapse, ulnar translation, tilt of the lunate, and the inter-carpal instability continued with time, whether the wrists were operated on or not. The speed of deterioration was dependent on the type of rheumatoid arthritis and is faster in the disintegration type than in the osteoarthritis or the ankylosis type. The technique is applicable to the osteoarthritis type of rheumatoid arthritis, in the middle stage (2 to 4a according to the Larsen-Alnot classification). At that stage, the ankylosis type and the disintegration type, and the osteoarthritis type at an advanced stage, are better treated by total arthrodesis or total prosthetic arthroplasty.

Journal of Hand Surgery (British and European Volume), Vol. 20, No. 2, 146-154 (1995)
DOI: 10.1016/S0266-7681(05)80041-5


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