• S T Lyons, M Quinn, and C L Stanitski.
• Department of Orthopaedic Surgery, Children's Hospital of Michigan, Wayne State University, Detroit, USA.
• Clin. Orthop. Relat. Res. 2000 Jul 1(376):62-7.

AbstractClinical and radiographic records of 210 consecutive children treated for Type III extension humeral supracondylar fractures during a 66-month period were reviewed retrospectively to determine (1) the incidence of neural and vascular injuries associated with this fracture; (2) the frequency of the type of nerve injured; and (3) the relationship of fracture displacement to neural and vascular compromise. Forty patients (19.1%) had neural compromise, vascular compromise, or both. Nerve injuries occurred in 13.3% of patients, combined nerve and vascular compromise occurred in 2.9%, and vascular compromise occurred in 2.9% of patients. Median nerve injuries accounted for 58.9% of nerve injuries followed by radial (26.4%) and ulnar (14.7%) lesions. Eighty percent of the median nerve injuries involved the anterior interosseous nerve. Posterolateral fracture displacement was correlated with median nerve and vascular compromise. Posteromedial fracture displacement strongly correlated with radial nerve injury. Recognition of fracture displacement pattern provides a guide to clinical examination to assess associated neural injury, in particular, the anterior interosseous nerve, which may be difficult to evaluate in a child who is uncooperative.

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