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Orthopädie 12. April 2016

Treatment of proximal humerus fractures in children and young adolescents

Background: Fractures of the proximal humerus in children are rare and represent approximately 0.45 % of all paediatric fractures. These injuries are common in patients up to an age of 16 years. The treatment of displaced subcapital fractures is still controversially discussed in literature. Therefore the aim of this study was to evaluate the short-term outcome and to provide guidelines for surgical treatment of these fractures in children and adolescents.

Methods: Clinical and radiological results of 231 patients between 0 and 17 years with subcapital humerus fractures were evaluated. Patients were devided according to their treatment as followed conservative treatment group operative treatment group.

Results: A total of 191 patients (82.7 %) underwent conservative treatment and 40 (17.3 %) underwent operative treatment. Surgical treatment consisted of open reduction and internal fixation (ORIF) (35.0 %) or closed reduction and internal fixation (CRIF) (52.5 %). In all operated patients an axial deviation of more than 20 ° was observed preoperatively. According to our groups; the surgical group presented in 90 % (N = 36) of the patients with an excellent result, in 5 % (N = 2) an average result was observed and in 5 % (N = 2) a poor result according to Constant Murley Score was achieved. In the conservative treatment group in 185 patients (96.9 %) excellent results were achieved and in 6 patients (3.1 %) an average result in the Constant Murley Score was achieved.

Conclusion: Conservative treatment in children < 10 years and an angulation angle < 20 °, as well as surgical treatment with ORIF or CRIF in patients > 10 years and with an angulation angle > 20 ° leads to excellent short-term outcome. However, studies with longer observation time are needed to evaluate long-term complications like limb length discrepancy.

Harald Binder, Thomas M. Tiefenboeck, Stephan Payr, Mark Schurz, Assoc. Prof. Silke Aldrian, Assoc. Prof. Kambiz Sarahrudi, Wiener klinische Wochenschrift 3/4/2016

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