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Background This study assessed outcomes after treatment of patients with capitellum fracture diagnosed >4 weeks after the trauma (delayed) who presented with stiff elbow. Methods We reviewed 7 patients with stiff elbows after delayed diagnosis of capitellum fractures between February 2007 and February 2012. They were treated with arthrolysis by twin incisions, late open reduction and internal fixation, and a hinged external fixator. According to the Bryan-Morrey-McKee classification, 3 patients had type I capitellum fractures and 4 patients had type IV. Results Mean follow-up was 28 months (range, 24-38 months). The mean delay from the initial trauma was 3.7 months. The flexion arc improved from a preoperative mean of 24° to a postoperative mean of 122°. The Mayo Elbow Performance Score increased from a mean of 56 points to 93 points. Anatomic fracture union occurred in all cases, and there was no secondary displacement. Conclusions Arthrolysis, late internal fixation, and use of a hinged external fixator can solve problems associated with stiff elbow after delayed diagnosis of capitellum fracture. Combined use of these techniques may be a safe and effective treatment option. [ABSTRACT FROM AUTHOR]

Background: Limited forearm rotation is a frequent combined disorder in elbow stiffness. If the radial head cannot be saved during open arthrolysis, prosthetic replacement might be considered because it enhances stability and allows early motion. Methods: In this study we retrospectively analyzed the outcome of 8 patients (7 men, 1 woman) who underwent open arthrolysis and simultaneous prosthetic replacement after resection of the radial head to restore elbow range of motion and forearm rotation. Patients were a mean age of 31.7 years (range, 22-40 years). Results: Postoperatively, the mean (range) active range of motion improved from 29.4° (0°-70°) to 113.1° (80°-135°), mean (range) supination increased from 38.8° (0°-80°) to 77.5° (50°-90°), and mean (range) pronation improved from 18.8° (0°-80°) to 68.8° (50°-80°). The Mayo Elbow Performance Score improved from a mean (range) of 57.5 (50-70) to 92.5 (85-100) points. No elbow valgus instability was detected over a mean duration of 26 months of follow-up. The implant was considered stable in all patients. Conclusions: Open arthrolysis and prosthetic replacement of the radial head are effective in treating elbow stiffness with associated rotation limitation after resection of the radial head. [ABSTRACT FROM AUTHOR]