在全膝关节整形术后下肢长度的变化
Simon Marmor1, Younes Kerroumi1, Guillaume Rigoulot1
1Service de Chirurgie Orthopédique et Traumatologique, Groupe Hospitalier Diaconnesses Croix St-Simon, 125 rue Avron 75020 Paris, France.
Orthopaedics & traumatology, surgery & research : OTSR
|September 27, 2024
概括
膝关节整形术 (TKA) 通常会导致腿部长度的变化,大多数患者会经历延长. 手术前腿长度不平等是影响患者对TKA后差异感知的主要因素.
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
背景情况:
- 在全膝关节整形术 (TKA) 后的下肢长度变化得到了很差的评估,并且与功能结果有关.
- 计算机导航系统用于假肢植入,旨在实现数字准确性.
研究的目的:
- 用数字导航精度来描述TKA后下肢长度变化.
- 评估患者对四肢长度变化的感知,并确定风险因素.
- 确定影响肢体长度修改的因素及其对感知差异的预测值.
主要方法:
- 使用导航辅助机械对齐对100个TKA进行前性研究.
- 手术前后下肢长度的比较.
- 在手术后3个月对患者腿长度感知的分析,根据膝盖形 (形,正常,形) 进行子组分析.
主要成果:
- 97%的患者经历了延长;23%的患者有>10mm的延长 (平均7.3mm).
- 瓦尔古斯膝盖的延长 (9.9毫米) 比瓦鲁斯 (7.2毫米) 和正常膝盖 (4.11毫米) 大得多.
- 额头/形形的纠正是风险因素;手术前的不平等是术后感知的唯一预测因素 (OR=37.50),感觉值为6.6mm.
结论:
- 导航准确地描述了TKA后的腿长变化.
- 发生显著的长度变化,这可能解释了患者的不满.
- 基于膝盖表型的额头形的部分纠正可能会降低本源长度修饰的风险.
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