文摘
Background Pseudarthrosis is an impairment of fracture healing after conservative or operative fracture treatment. Delayed unions or nonunions occur in approximately 5-0- of all fractures. Pseudarthrosis is one of the most demanding complications in fracture treatment. The causes leading to pseudarthrosis are multifactorial and often difficult to diagnose. A common definition of various terminologies, such as fracture healing, delayed union, nonunion or pseudarthrosis is currently not available. In Germany pseudarthrosis is often used if fracture healing is not complete after 6 months.