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JOURNAL ARTICLE
Ulnar shortening for triangular fibrocartilage complex tears associated with ulnar positive variance.
Journal of Hand Surgery 1998 September
Twenty-five patients with triangular fibrocartilage complex (TFCC) tears associated with ulnar positive variance who did not respond to conservative management were treated by ulnar shortening. The follow-up period averaged 35 months. All patients complained of pain, restricted forearm rotation, and weakness of grip. Arthroscopy was performed in 23 of 25 wrists to assess the status of the TFCC and the degree of the degenerative change of the proximal aspect of the lunate and triquetrum. Arthroscopic findings consisted of 15 class 1 and 8 class 2 tears according to Palmer's classification. When the TFCC showed a traumatic flap tear, only the torn flap was removed arthroscopically. Ulnar shortening averaged 3 mm. Transverse osteotomies healed in all patients at a mean postoperative time of 7 weeks. Twenty-three patients had either complete relief or occasional mild pain of the wrist. Two patients with persistent pain had additional procedures performed. Postoperative x-ray films revealed slight degenerative changes at the distal radioulnar joint in 7 patients. Complications included 1 reflex sympathetic dystrophy and 2 fractures through the osteotomy site after early plate removal. Ulnar shortening is a useful procedure for TFCC tears associated with ulnar positive variance.
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