• Irena Krusche-Mandl, Silke Aldrian, Julia Köttstorfer, Astrid Seis, Gerhild Thalhammer, and Alexander Egkher.
• Department of Trauma Surgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria. irena.mandl@gmx.at
• Int Orthop. 2012 Sep 1;36(9):1893-8.

PurposeThe aim of this study was to analyse the management of displaced paediatric supracondylar humerus fractures at our Level I Trauma Centre and to determine clinical and radiographic long-term results following operative treatment.MethodsClinical and radiological results of 78 paediatric patients (29 female, 49 male; mean age 5.1 years) with supracondylar humerus fractures, treated from 1992 to 2004, were evaluated. Gartland's classification yielded 32 type II, 44 type III and further two flexion injuries. In all patients the follow-up period exceeded 12 months. Assessment after an average of 8.1 years (1.1-19.5) included neurovascular examination, Flynn's criteria (elbow function and carrying angle), pain, complications (infections, growth disturbances or iatrogenic nerve injuries) and measurement of the humeroulnar angle.ResultsAccording to Flynn's criteria 73 patients (93.5 %) had a satisfactory outcome, while five (6.4 %) were graded as unsatisfactory (two due to cubitus varus and three because of limited elbow motion). The visual analogue scale (VAS) score averaged 0 (range 0-1) and the mean carrying angle measured 8.4° (-8 to 20°), compared to 10.8° on the contralateral side (2-20°). Injury-related complications yielded absent pulses in four (5.1 %), five (6.4 %) primary median, two (2.6 %) primary radial and one (1.3 %) primary ulnar nerve injury. Treatment-related complications included a secondary displacement and one iatrogenic radial nerve palsy. Based on primary nerve lesion as a dependent variable, statistical analysis showed that age had a significant influence revealing that older paediatric patients had a significantly higher risk (p = 0.02). Functional outcome as a dependent variable revealed an indirect proportion to the clinical carrying angle, achieving statistical significance (p < 0.01).ConclusionsCrossed pinning in paediatric supracondylar humerus fractures is an effective method. Evaluation of the outcome in our study group demonstrated good results with the treatment approach described.

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