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The Swanson Ulnar Head Prosthesis for Post-Traumatic Disorders of the Distal Radio-Ulnar Joint

From the Hand Unit, Sydney Hospital, Australia

Correspondence: Mr D. Stanley, Orthopaedic Department, Northern General Hospital, Herries Road, Sheffield.

20 Swanson ulnar head prostheses inserted for post-traumatic disorders of the distal radio-ulnar joint were reviewed at a mean of 44.2 months post-operatively (range 12–104 months). The indication for surgery was painful loss of forearm rotation with or without ulno-carpal impingement and ulno-carpal instability.

Symptoms in 16 patients were the result of malunion following severe distal radial fractures (two Frykman 7 fractures and 14 Frykman 8 fractures), and in the remainder were due to unreduced dislocations in the distal radio-ulnar joint (two patients) or unsatisfactory Darrach procedures (two patients).

70% of patients achieved excellent or good clinical results despite the fact that radiographs showed bone resorption in all cases, tilting of the prosthesis in 40% and implant fractures in 15%.

Journal of Hand Surgery (British and European Volume), Vol. 17, No. 6, 682-688 (1992)
DOI: 10.1016/0266-7681(92)90201-C


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