Abstract
Femoral neck fractures are uncommon injuries in children often associated with high-energy mechanisms. An increased risk for osteonecrosis and long-term morbidity associated with these injuries requires heightened suspicion in any high-energy lower extremity trauma scenario. Children are at an increased risk for osteonecrosis after femoral neck fractures due to injury of the medial femoral circumflex and/or retinacular vessels. The Delbet classification system is reliable and prognostic for the risk of osteonecrosis after femoral neck fractures, where Delbet Type I or II fractures are associated with the highest incidence of osteonecrosis. The majority of femoral neck fractures require operative management and treatment is tailored according to age and fracture pattern. Fracture displacement, urgent treatment within 24 h, and fracture type are all significant predictors for the development of osteonecrosis.
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Gomez, J.A., Shore, B.J., Hresko, M.T. (2016). Fractures of the Femoral Neck in Children. In: Hedequist, D., Heyworth, B. (eds) Pediatric Femur Fractures. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-7986-5_5
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