对手工地标识别在3D细分手腕上的可靠性的评估
Rémy Winter1,2,3, Arnaud Citarel4, Patrick Chabrand5
1Unité de Recherche Clinique Côte d'Azur (UR2CA), Université Côte d'Azur, Nice, France.
The Journal of bone and joint surgery. American volume
|November 23, 2023
概括
手动的3D解剖点在半径上的放置对于手腕测量是不可靠的. 临床医生应使用特定的点用于辐射倾斜,但避免其他准确的远端辐射变形评估.
科学领域:
- 整形外科手术 整形外科手术
- 医学成像医学成像
- 生物机械分析分析
背景情况:
- 在整形外科手术中,三维 (3D) 术前规划至关重要.
- 距离辐射变形的二维 (2D) 方法缺乏准确性.
- 准确的手术规划需要可靠的3D手腕参考框架.
研究的目的:
- 为了评估手动放置的3D半径模型上的解剖点的可靠性.
- 为了确定特定的解剖点,适合准确的形态测量测量.
- 评估3D地标的适用性,用于远端辐射变形评估.
主要方法:
- 将23个辐射扫描重建成3D模型.
- 由5名上肢专家手动放置8个解剖点.
- 一个操作人员重复6次地标,以提高可重复性.
- 为测量计算观察者内部和观察者间的变异性.
主要成果:
- 骨边缘的中间,半径样形体和骨切口的中点是最不变的点.
- 面脊的手掌和背部末端显示出最大的变化.
- 只有一个辐射倾斜度测量方法满足了<2°临床可接受度值.
结论:
- 孤立的3D标志点不足以提供可靠的手腕参考框架,特别是背手掌倾斜.
- 临床医生应避免大多数3D地标点由于不可靠性,除了特定的辐射倾斜度测量.
- 建议考虑3D形状适配模型用于手腕表征.
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