Reconstruction of radial capitellar fractures using fine-threaded implants (FFS)

Steffen Heck, Christian Zilleken, Dietmar Pennig, Thomas C Koslowsky
Injury 2012, 43 (2): 164-8
Fractures of the capitulum humeri are rare and challenging injuries to the elbow and outcome results are limited to case series, often with different fixation devices. This article aims to present 15 patients with a fracture of the capitulum humeri treated with the same implant, fine-threaded Kirschner wires (FFS). Besides range of motion and grip strength, outcome measurements include the following scores: the Mayo Elbow Performance index (MEPI); the American Shoulder and Elbow Surgeons' Elbow Assessment (ASES) Form; the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire; and the Broberg-Morrey score. Using the modified Bryan and Morrey classification, there were seven type-I injuries, three type-II, two type-III and three type-IV fractures. In addition to fractures of the capitellum, five patients were diagnosed with a complex ligamentous injury and three had suffered radial head fractures. After a minimum follow-up of 12 months, we obtained a range of motion in flexion and extension of 124° and a pro- and supination of 173°. The mean DASH showed 10.84 and the Broberg-Morrey score reached 90.8. ASES and MEPI scores were 91.5 and 90, respectively. The mean grip strength of the injured side was 217.9N versus 236.4N on the healthy side. The use of FFS for capitellar fractures of the humerus achieved good clinical results and these implants can be considered as a treatment option for this fracture entity.

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