Hemiarthroplasty of the distal ulna with an eccentric prosthesis.
Replacement arthroplasty of the ulnar head is indicated primarily for stiffness and pain as a consequence of rheumatoid, degenerative, and posttraumatic arthritis of the distal radioulnar joint. It is also successfully used in the setting of previous failed excisional arthroplasty of the distal ulna. A distal ulnar hemiarthroplasty, which anatomically recreates the native ulnar head by employing an eccentric design, is discussed. The surgical technique includes a dorsal approach and careful repair of the soft tissue stabilizers.
Sauder
David J
DJ
Hand and Upper Limb Centre, University of Western Ontario, St Joseph's Health Care, London, Ontario, Canada.
King
Graham J
GJ
D019643:Arthroplasty, Replacement / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D011182:Postoperative Care; D019736:Prostheses and Implants; D011474:Prosthesis Design; D014457:Ulna / Q000601:surgery*; D014955:Wrist Joint / Q000601:surgery