J Korean Orthop Assoc.  2018 Feb;53(1):19-28. 10.4055/jkoa.2018.53.1.19.

Etiology and Management of Nonunion

  • 1Department of Orthopaedic Surgery, Kyungpook National University School of Medicine, Daegu, Korea. cwoh@knu.ac.kr


Nonunion is caused by various factors related to fracture characteristics, patient characteristics, treatment, and infection. Aseptic nonunion, is divided into three categories in accordance with the biological activity of the fracture: atrophic nonunion, oligotrophic nonunion, and hypertrophic nonunion. Treatment of nonunion depends on the cause and classification. Here, we report our experiences and review the various causes of nonunion and treatment methods available.


fracture; nonunion; aseptic nonunion; atrophic nonunion; oligotrophic nonunion; hypertrophic nonunion
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