Comparison of efficacy between Fraser type Ⅰand type Ⅱb floating knee injury

WU Guo-jie; LI Li-geng; WU Xiao-bo; WANG Hong-wei; LI Ke-ya

Abstract：Objective To explore the clinical efficacy of Fraser typeⅠand typeⅡb floating knee injury af-ter surgical treatment .Methods A retrospective study was conducted in 50 cases of floating knee injury of ortho-pedic trauma center in Hebei Province ( Tangshan Second Hospital ) from Jan.2009 to Dec.2013.Among them,35 were males and 15 were females with an average age of (38.5 ±2.5)years(1-56 years).Twenty cases were resul-ted from vehicle accidents ,12 from falls and 18 from crush.Seven cases were accompanied with abdominal organ in-jury,10 cases with chest injury ,5 with brain injury ,15 with injuries in other sites ,3 with anterior cruciate ligament injury and 5 with meniscus injury.Thirty cases were classified as Fraser type I and 20 cases as typeⅡb.Karl-strom-Olerud criteria was employed for functional evaluation .Results Fifty cases were followed up with an average of (20.5 ±1.5)months and the healing time was 6 to 18 months.Excellent and good rate was 86.6%and 75.0%respectively in type I and typeⅡb group and the difference was statistically significant (P<0.05).Conclusion Interlocking intramedullary nailing is employed in type I group;bone plate is employed in typeⅡb group,interlocking intramedullary nailing combined with early rehabilitation exercise is employed in tibia .Efficacy in type I group is better than typeⅡb group .