title: [Diagnosis and treatment of fracture delayed union and nonunion].
abstract: Fracture nonunion is the cessation of a normal reparative process of fracture healing. With an incidence of 2.5%-4.4%, it is one of difficult problem for orthopedics surgeons. Definition, classification, treatment and causes of fracture nonunion are reviewed in this article. The therapeutic principles and methods are introduced systematically combined with causes of fracture nonunion.
authors.affiliation: Department of Orthopedics, People's Liberation Army General Hospital, Beijing 100853, China.
authors.forename: Jianheng
authors.initials: J
authors.lastname: Liu
authors.affiliation: Department of Orthopedics, People's Liberation Army General Hospital, Beijing 100853, China.
authors.forename: Licheng
authors.initials: L
authors.lastname: Zhang
authors.affiliation: Department of Orthopedics, People's Liberation Army General Hospital, Beijing 100853, China; Email: pftang301@126.com.
authors.forename: Peifu
authors.initials: P
authors.lastname: Tang
mesh_terms: D017102:Fracture Healing; D005599:Fractures, Ununited / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans