在功能性膝盖表型分类中存在基于性别的差异,用于骨关节炎膝关节的分类
Sabrina Chelli1, Taras Rudyy1, George Mihai Avram1
1Department of Orthopedic Surgery and Traumatology, Kantonsspital Baselland, Bruderholz, Switzerland.
概括
这项研究揭示了骨关节炎膝关节对齐和关节线收角度 (JLCA) 的显著性别差异. 虽然一些膝盖表型是常见的,但男性表现出更大的股骨,影响了全膝关节整形术 (TKA) 的手术方法.
科学领域:
- 整形外科 整形外科 整形外科
- 生物机械工程 生物机械工程
- 放射学 放射学是一门学科.
背景情况:
- 骨关节炎 (OA) 影响膝盖对齐,具有不同的表型.
- 了解膝盖形态的性别特异性对于个性化治疗至关重要.
- 之前的研究还没有完全阐明OA表型中冠状线对齐和关节线收角度 (JLCA) 的基于性别的变化.
研究的目的:
- 调查功能性膝盖表型的冠状元对齐中的基于性别的差异.
- 分析关节直线收角度 (JLCA) 与特定的膝盖表型和性别相关.
主要方法:
- 对12099个膝盖CT扫描 (5025名男性,7074名女性) 具有关节炎的回顾性分析.
- 使用Medacta软件测量关节-膝盖-脚角 (HKA),大腿骨机械角 (FMA),骨机械角 (TMA) 和JLCA.
- 数据根据性别和功能性膝盖表型进行分类.
主要成果:
- 在127个 (男性) 和131个 (女性) 已识别的表型中,确定了17个性别之间的共同表型.
- 最常见的表型显示了跨性别相似的HKA,FMA和TMA值.
- 与女性相比,男性表现出明显更大的股骨 (p < 0.001).
- 男人的平均JLCA为-2.96° (SD ±2.6°),女性的平均JLCA为-2.66° (SD ±2.87°) (p < 0.001).
结论:
- 在骨关节炎膝盖表型中存在明显的性别差异.
- 男性体表型主要受到大腿机械角度 (FMA) 的影响,而骨机械角度 (TMA) 在两性之间是相似的.
- JLCA变异与TMA和FMA都相关,这表明骨形态是关键决定因素,而不是仅仅性别.
- 这些发现有助于为初级全膝关节整形术 (TKA) 量身定制手术策略.
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