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优化膝盖以下截肢骨切除术的长度:基于比率的方法.

Daniel J Cognetti1,2,3, Mikalyn T DeFoor1, Mariah Arave1

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概括
此摘要是机器生成的。

引入了一种新的低于膝盖截肢 (BKA) 的比率,以量身定制剩余的骨长度. 这一比率显示了肢体长度根据患者身高和性别的显著变化,这挑战了一个适合所有人的方法.

关键词:
在膝盖以下的截肢.能源支出 能源支出患者特定的患者特定的患者.试点研究试点研究这是一个比率比率的比率.跨节骨的 - 跨节骨的

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科学领域:

  • 整形外科 整形外科 整形外科
  • 生物医学工程 生物医学工程
  • 放射学 放射学是指放射学

背景情况:

  • 膝下截肢 (BKA) 的长度对于假肢的适应性和功能至关重要.
  • 目前用于确定BKA长度的方法可能无法考虑个体患者身高和性别的变化.
  • 一种标准化的方法可能会导致低于最佳的残余四肢长度.

研究的目的:

  • 为了介绍一个新的下膝关节截肢 (BKA) 比率.
  • 为了评估这种BKA比率在定制剩余骨长度方面的潜力.
  • 评估不同身高和性别的患者残余骨长度的变异性.

主要方法:

  • 追溯性X射线检查全长部X射线图.
  • 包括骨成熟的患者,没有骨骨折或骨异常.
  • 计算BKA比率 (12厘米骨解剖/骨长度) 并使用独立的t测试比较平均值.

主要成果:

  • 分析了100名患者 (50名男性,50名女性) 的队列.
  • 男人和女人的平均骨长度有显著差异 (39.5厘米和36.5厘米,P < 0.0005).
  • 平均BKA比为0.32±0.02,剩余四肢长度在最短和最长的骨之间变化2.9-3.3厘米.

结论:

  • 一个适合所有人BKA长度的方法导致了大量的残余四肢长度变化.
  • 当前的BKA长度标准可能过于简单化.
  • 需要进一步的研究来确定这些发现对假肢适合性和能源支出的临床相关性.