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Updated: Feb 22, 2026

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在全膝关节整形术中的大腿骨曲:角偏差作为五年功能不良的主要调解者和基于证据的干预门

Hongtai Chen¹, Pingjin Xie², Chun Hoi Yan³

¹Department of Orthopaedics and Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Rd, Pok Fu Lam, Hong Kong SAR; Department of Orthopaedics and Traumatology, Shenzhen Hospital of Shanghai University of Traditional Chinese Medicine, 16 Xiantong N Rd, Shenzhen, China.

The Journal of arthroplasty

|February 20, 2026

概括

在全膝关节整形术 (TKA) 中,大腿骨的曲会通过增加切除错误,对功能结果产生负面影响. 确定的门可以识别有风险的患者,并指导手术准确度,以获得更好的结果.

科学领域:

整形外科手术整形外科手术
生物机械工程生物机械工程
医疗成像医学成像

背景情况:

股骨弓可以降低膝关节全关节整形术 (TKA) 中的骨髓内导向远部股骨切除的准确性.
腿部曲对TKA后的长期功能结果的确切影响尚未完全理解.
这项研究旨在量化股骨鞠躬,切除精度和患者结果之间的关系.

研究的目的:

为了研究大腿骨鞠躬对TKA患者五年功能结果的影响.
为了确定腿部弓是否影响TKA结果,通过腿部切除期间的角度偏差.
为风险分层建立骨曲和切除偏差的临床值.

主要方法:

对422名初级TKA患者的分析,随访5年,使用内导向切除.
评估大腿曲角度 (FBA),术后角偏差 (术后-Δθ),对齐,以及膝盖损伤和关节炎结局得分 (KOOS).
包括关联,回归,调解和ROC分析在内的统计分析,以确定值和途径.

主要成果:

在FBA和术后Δθ (r=0.716) 和FBA和五年KOOS (r=-0.363) 之间发现了显著的相关性.
调解分析表明,鞠躬影响功能结果主要是通过切除偏差 (β=-0.356),而不仅仅是对齐.
已确定的值:FBA 下降 = 5.9°和术后-Δθ 下降 = 4.6°,严重的曲和偏差与KOOS尺度上的较差结果有关.

结论:

腿部曲对TKA功能结果产生不利影响,主要是通过增加腿部切除期间的角度偏差.
确定的值 (mobiFBAsaid = 5.9°, 术后-Δθsaid = 4.6°) 有助于进行手术前风险评估和手术内准确性.
建议考虑先进的外科手术技术,以优化功能结果的患者有显著的股骨弓.

关键词:

角偏差是指角偏差的角度偏差.腿部部鞠躬 (Femoral Bowing) 是一种运动方式.在内导向的TKA.膝盖受伤和骨关节炎结局得分长期结果长期结果整体膝关节关节整形手术膝关节整形手术

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