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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_IV | Pages 428 - 428
1 Nov 2011
Mohammad K
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The treatment of comminuted fractures of the radial remains controversial. When preservation of the radial head mechanics is required, the choice between open reduction and internal fixation and radial head replacement remains a difficult choice. Current literature does not provide guidelines but suggest that fracture complexity and technique are critical for success. We compared the outcomes of 30 patients who were treated with either open reduction and internal fixation or radial head replacements between 2005 and 2008.

Twenty six Mason type III and 4 Mason type IV fractures of the radial head were enrolled in the study. Twenty underwent open reduction and internal fixation (group I) and 10 underwent radial head replacements (group II). The mean age at operation was 37 and 49 years respectively and the duration of follow up 32 and 31 weeks respectively.

The indications for radial head replacement were severe comminution, primary fracture dislocations and fracture dislocations with radial head excised. All patients were evaluated for pain, motion, strength, stability and function using the Broberg and Morley functional rating index.

Elbow range of motion averaged 9 degrees (extension loss) to 97 degrees (flexion in group I and 10 to 98 degrees in group II. Average pronation and supination were 71.5 and 72 (group I) and 69 and 74.5 (group II). The loss in strength in flexion, supination and pronation between the groups were not comparable (P> 0.05). The Broberg and Morley functional rating score average was 81.9 (group I) and 82.2 (group II).

These results show that patients who were treated with open reduction and internal fixation did not have a significant advantage over patients who received radial head replacements in terms of range of motion, loss in strength and their functional rating score.