The progress of the management of floating knee injury

doi:10.3877/cma.j.issn.2096-0263.2023.04.009

Abstract

Abstract:

Floating knee injury refers to simultaneous diaphyseal or metaphyseal fractures in ipsilateral femur and tibia due to high-energy violence, which results in severe flail knee joint and is characterized by sophisticated mechanisms, tough management and high rate of complications. Because intraarticular injury is associated with the prognosis of floating knee injury, Fraser classification system is now the most widely utilized to classify such injuries. Since concomitant body organ injuries could be life-threatening, stability of vital signs and evaluation and repair of organ injury should be foremost when come up with such victims, to which limb function reconstruction should be secondary. Although staged bone and soft tissue surgical reconstruction along with systemic rehabilitation could improve the function of the injured extremity, results from long-term follow-up do not indicate an optimistic prognosis due to the severity of the injury and multiple complications. Thus, orthopedists should treat such injury with optimal procedures and consider the prevention of complications at the same time.

Key words: Floating knee, Mechanism, Treatment, Prognosis, Progress

Kunqi Zhang, Rui Zhang, Jia Xu, Qinglin Kang. The progress of the management of floating knee injury[J]. Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition), 2023, 09(04): 252-256.

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References 43

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	满意		不满意
	优	良	可接受	差
大腿或腿主观症状	无	轻微、间歇	较重的症状或功能障碍	严重的功能障碍；静息痛
膝或踝主观症状	无	轻微、间歇	较严重的症状或功能障碍	严重的功能障碍；静息痛
行走能力	无受限	轻微、间歇受限	行走距离缩短	需要拐杖或其他支持
工作和运动	同伤前	工作同伤前，不饿能参加部分运动	轻体力劳动	永久丧失工作能力
旋转和/或成角畸形	无	<10°	10°至20°	>20°
肢体短缩	无	<1 cm	1至3 cm	>3 cm
关节活动受限	无	踝关节受限<10° 髋和/或膝关节受限<20°	踝关节受限10°至20° 髋和/或膝关节受限20°至40°	踝关节受限>20° 髋和/或膝关节受限>40°

	满意		不满意
	优	良	可接受	差
大腿或腿主观症状	无	轻微、间歇	较重的症状或功能障碍	严重的功能障碍；静息痛
膝或踝主观症状	无	轻微、间歇	较严重的症状或功能障碍	严重的功能障碍；静息痛
行走能力	无受限	轻微、间歇受限	行走距离缩短	需要拐杖或其他支持
工作和运动	同伤前	工作同伤前，不饿能参加部分运动	轻体力劳动	永久丧失工作能力
旋转和/或成角畸形	无	<10°	10°至20°	>20°
肢体短缩	无	<1 cm	1至3 cm	>3 cm
关节活动受限	无	踝关节受限<10° 髋和/或膝关节受限<20°	踝关节受限10°至20° 髋和/或膝关节受限20°至40°	踝关节受限>20° 髋和/或膝关节受限>40°

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