在模拟的骨-骨骨折中,骨位移是否预测骨转变不良?
Abrianna S Robles1, Christian L Blough, Steven Kurapaty
1From the Department of Orthopaedic Surgery. Cedars-Sinai Medical Center, Los Angeles, CA (Robles, Blough, Lee, Ewing, and Marecek), and the Department of Orthopaedic Surgery, Northwestern University, Chicago, IL (Kurapaty).
The Journal of the American Academy of Orthopaedic Surgeons
|October 18, 2023
概括
骨对齐是手术期间骨旋转的关键指标. 长连接的损失表明显著的旋转不良,而固定长和植入物将旋转风险降到最低.
科学领域:
- 整形外科手术 整形外科手术
- 生物机械分析分析
- 医学成像医学成像
背景情况:
- 部恶性旋转是隔膜骨折的并发症.
- 长骨对齐是为骨旋转提出的一种手术内指标.
- 这项研究评估了在评估骨旋转时,骨对齐的可靠性.
研究的目的:
- 为了确定长骨的对齐是否可靠地表明在髓钉钉过程中准确的骨旋转.
- 量化与失去长连接相关的部恶转程度.
主要方法:
- 分析了50个健康的小腿骨的CT扫描.
- 使用ImageJ软件进行了模拟的骨切除和旋转 (5°增量).
- 骨重叠在模拟的骨固定下测量了前后 (AP) 和侧向视图,带有和没有骨植入物.
主要成果:
- 长连接的损失发生在大约20-25°的带旋转时.
- 50% 损失 状骨接触 表示 10-15 度的旋转.
- 在24°旋转时,带通道的接触丢失了.
- 一个模拟的骨髓植入物将最大旋转限制在6°.
结论:
- 外科医生应该怀疑≥20°的旋转不良,当输骨的接触丢失.
- 显著的长连接损失 (> 50%) 值得怀疑是旋转不良.
- 完好无损的骨和骨植入物理论上可以防止实质性的骨恶转.
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