Custom triflange outrigger ulnar component in revision XXXX .

@entity1 @entity348 @entity942
HYPOTHESIS: This study describes the rationale for, and tests the hypothesis that, a custom outrigger triflange ulnar component for revision @entity348 would decrease the contact stresses at the  bushings and overcome excessive bushing wear in active @entity1 who have bone and @entity942 . MATERIALS AND METHODS: Five consecutive revisions for failed Coonrad-Morrey total elbow arthroplasties were performed with the custom outrigger triflange ulnar component for @entity1 with accelerated bushing wear, ulnar component loosening, and deficient humeral condyles. The mean age at the time of surgery was 48 years (range, 32-64 years). Follow-up averaged 81 months (range, 65-124 months). The average number of previous operations was 2.4 (range, 2-3). RESULTS: The Mayo Elbow Performance Score improved from 40 (range, 15-65) preoperatively to 91 (range, 80-100) at the latest follow-up. There were two excellent and three good results. There was no radiographic or clinical evidence of bushing wear at 6.8 years of follow-up (range, 5.5-10.3 years). One @entity1 required further revision of the humeral component due to mechanical loosening, which had not been revised at the time of the index surgery. DISCUSSION: A custom outrigger triflange ulnar component is an effective alternative for revising loose Coonrad-Morrey ulnar components in active @entity1 with absent humeral epicondyles and accelerated bushing wear. CONCLUSION: It may be an alternative to revision with standard components until improved surgical designs addressing this problem become commercially available.
