Low incidence of flexion-type supracondylar humerus fractures but high rate of complications
DOI:
https://doi.org/10.1080/17453674.2016.1176825Abstract
Background and purpose — Supracondylar humerus fractures are the most common type of elbow fracture in children. A small proportion of them are flexion-type fractures. We analyzed their current incidence, injury history, clinical and radiographic findings, treatment, and outcomes. Patients and methods — We performed a population-based study, including all children <16 years of age. Radiographs were re-analyzed to include only flexion-type supracondylar fractures. Medical records were reviewed and outcomes were evaluated at a mean of 9 years after the injury. In addition, we performed a systematic literature review of all papers published on the topic since 1990 and compared the results with the findings of the current study. Results — During the study period, the rate of flexion-type fractures was 1.2% (7 out of 606 supracondylar humeral fractures). The mean annual incidence was 0.8 per 105. 4 fractures were multidirectionally unstable, according to the Gartland-Wilkins classification. All but 1 were operatively treated. Reduced range of motion, changed carrying angle, and ulnar nerve irritation were the most frequent short-term complications. Finally, in the long-term follow-up, mean carrying angle was 50% more in injured elbows (21°) than in uninjured elbows (14°). 4 patients of the 7 achieved a satisfactory long-term outcome according to Flynn’s criteria. Interpretation — Supracondylar humeral flexion-type fractures are rare. They are usually severe injuries, often resulting in short-term and long-term complications regardless of the original surgical fixation used.Downloads
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Published
2016-07-03
How to Cite
Kuoppala, E., Parviainen, R., Pokka, T., Sirviö, M., Serlo, W., & Sinikumpu, J.-J. (2016). Low incidence of flexion-type supracondylar humerus fractures but high rate of complications. Acta Orthopaedica, 87(4), 406–411. https://doi.org/10.1080/17453674.2016.1176825
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