在90%的病例中,通过在边界内重建骨解剖学来实现平衡的间隙
Marco Strauch1, Verena Kaufmann1, Heiko Graichen1
1Department for Arthroplasty, Sports-Traumatology and General Orthopaedics, Asklepios Orthopaedic Hospital Lindenlohe, Schwandorf, Germany.
概括
在全膝关节整形术中,患者特定对齐 (PSA) 在90%以上的病例中实现了平衡的膝关节间隙. 与调整机械对齐 (AMA) 相比,这种技术允许进行更多的解剖骨切除.
科学领域:
- 整形外科手术 整形外科手术
- 生物医学工程 生物医学工程
- 膝盖关节整形手术 膝盖关节整形手术
背景情况:
- 患者特定对齐 (PSA) 旨在平衡膝关节间隙并恢复个体骨解剖.
- 调整机械对齐 (AMA) 是全膝关节整形术 (TKA) 的常规方法.
研究的目的:
- 评估PSA技术是否在很大比例的患者中实现平衡的膝盖间隙.
- 将PSA的解剖骨切除与AMA进行比较.
主要方法:
- 一个回顾性队列研究,涉及367名患者接受导航TKA,使用骨第一,间隙平衡PSA技术.
- 定义的切除边界为中位近骨角 (MPTA),机械侧边远骨角 (mLDFA) 和关节膝关节角 (HKA).
- 将PSA结果与以前发表的AMA系列进行了比较.
主要成果:
- 在90%以上的案例中,PSA在延伸和曲方面实现了平衡的关节间隙,与AMA相似.
- 在大多数情况下,MPTA和mLDFA在1°以内恢复,在极端的或膝盖中差异略大.
- 与AMA相比,PSA导致了明显更多的骨和大腿骨解剖切除.
结论:
- 骨第一,间隙平衡的PSA技术在90%以上的TKA病例中成功实现了平衡的膝关节关节.
- 通过在很大程度上保存手术前的MPTA和mLDFA,PSA可以实现更多的解剖骨切除.
- 需要进一步的研究来将这些手术内发现与患者的结果和失败率相关联.
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