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Trauma
intermediate
X-Type

Floating Knee Injuries

Polytrauma

A 28-year-old motorcyclist is brought to the trauma bay after a high-speed collision. He has an obvious deformity of his right thigh and leg. Radiographs confirm a displaced femoral shaft fracture and a comminuted tibial plateau fracture on the same side. He has no ligamentous injury to the knee. Primary survey reveals hemodynamic stability with no other major injuries. Regarding floating knee injuries:

Mark each as TRUE or FALSE

A

A floating knee is defined as ipsilateral fractures of the femur and tibia that result in a knee seg...

B

The Fraser classification divides floating knee injuries: Type I has no knee joint involvement (extr...

C

Floating knee is a low-energy injury commonly seen in elderly falls; vascular injury is rare; Type I...

D

Management requires thorough evaluation of the knee joint with radiographs, CT (for articular injuri...

E

Operative treatment typically involves intramedullary nailing for diaphyseal femur and tibia fractur...

Answer the questions to see explanations

Click T (True) or F (False) for each option