[Treatment of floating knee injury in children with elastic intramedullary nail]

To observe the clinical effect of elastic intramedullary nail in minimally invasive treatment of floating knee injury in children.

From January 2009 to September 2017, 11 children with floating knee injury were treated with one-off open reduction and elastic intramedullary nail or external fixator fixation, including 7 males and 4 females, aged 5.0 to 11.0 years, with an average age of 8.3 years. The treatment results were evaluated according to karlstrom's standard.

Eleven patients were followed up for 8 to 48 months, with an average of 28 months. All the fractures healed at one time, and there were no complications such as nonunion, malunion and serious dysfunction of knee joint. The length of the affected limb in 2 cases was 1.2 to 1.5 cm longer than that in the opposite side without shortening. According to Karlstrom scoring standard, 8 cases were excellent, 1 case was good and 2 cases were middle.

Elastic intramedullary nail minimally invasive treatment of floating knee injury in children is a safe and effective treatment, which can effectively reduce the fracture and promote bone healing, which is conducive to early functional recovery.