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The "floating knee" in children.

M Letts, N Vincent, G Gouw

    The Journal of Bone and Joint Surgery. British Volume
    |May 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Pediatric floating knee injuries, often from motor vehicle accidents, require surgical fixation. Nonoperative treatment for both femur and tibia fractures leads to poor outcomes in children.

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    Area of Science:

    • Orthopedic surgery
    • Pediatric trauma
    • Biomechanics

    Background:

    • The "floating knee" is a severe injury involving ipsilateral femur and tibia fractures.
    • This injury pattern is frequently associated with high-energy mechanisms like motor vehicle accidents.
    • Understanding the biomechanics of floating knee injuries is crucial for effective management.

    Purpose of the Study:

    • To review outcomes of pediatric floating knee injuries.
    • To evaluate the effectiveness of different treatment modalities.
    • To establish recommendations for optimal management.

    Main Methods:

    • Retrospective review of 15 pediatric patients with floating knee injuries treated at a children's hospital.
    • Analysis of injury mechanisms, including motor vehicle accidents and pedestrian/cyclist incidents.

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  • Comparison of treatment outcomes based on surgical versus nonoperative approaches.

    • Main Results:

    • All 15 cases resulted from motor vehicle accidents; eight involved cyclists.
    • Treatment regimens varied, with poor results observed in cases managed nonoperatively for both fractures.
    • Rigid fixation of at least one fracture is suggested for better outcomes.

    Conclusions:

    • Pediatric floating knee injuries are severe and often linked to significant trauma.
    • Nonoperative management of both femur and tibia fractures in floating knee injuries is associated with suboptimal results.
    • Rigid fixation of at least one component of the floating knee injury is recommended for improved patient outcomes.