Abstract
The aim of this retrospective study was to evaluate the long-term outcome of ulnar shortening osteotomy. A total of 66 patients treated with an ulnar shortening osteotomy for a primary or post-traumatic ulnar impaction syndrome were included, with a median follow-up time of 75 months.
There was a positive correlation between the sigmoid notch angle and the final QuickDASH score, but no correlation with final range of motion, grip strength or pain level. Radiological signs of osteoarthritis of the distal radioulnar joint were seen in 20% of patients, yet there was no correlation between the development of distal radioulnar joint osteoarthritis and the sigmoid notch angle. No symptomatic distal radioulnar joint osteoarthritis was observed.
Ulnar shortening osteotomy is a good option to treat patients with ulnar impaction syndrome regardless of the distal radioulnar joint angle.
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