三维距离映射用于识别侧列延长的安全区域
Ben Efrima1, Agustin Barbero1, Kuharajan Ramalingam1
1Foot and Ankle Unit, Humanitas San Pio X Hospital, Milan, Italy.
Foot & ankle international
|August 5, 2023
概括
这项研究使用3D模型和距离映射来定义侧列延长骨切除术的安全区域,旨在减少脚塌的手术风险.
科学领域:
- 整形外科手术 整形外科手术
- 生物机械工程 生物机械工程
- 医疗成像医学成像
背景情况:
- 侧柱延长 (LCL) 骨切除术是灵活,渐进的倒塌脚的标准.
- 埃文斯 (E-LCL) 和亨特曼 (H-LCL) 骨切除术有风险,包括由于阳性损伤而引起的亚骨关节炎.
- 骨子关节 (OCST) 亚型对特定的骨切除术技术提出了挑战.
研究的目的:
- 使用3D模型和距离映射 (DM) 来测量E-LCL和H-LCL的安全区域.
- 假设安全区可以用高可重复性来测量.
- 为了在LCL手术过程中潜在地减少阴性损伤.
主要方法:
- 使用布鲁克纳分类,将其分类为200英尺的OCST.
- 对H-LCL的后安全区 (PSZ) 和对E-LCL的前安全区 (ASZ) 的近距离和远距离测量.
- 使用类间相关性评估interrater和intrarater协议.
主要成果:
- 定义的平均PSZ角度 (68-75度) 和ASZ角度 (89-95度).
- 没有发现OCST之间的安全区在统计学上有显著差异.
- 达成良好到优秀的interrater和intrarater协议;18个案例不适合计划.
结论:
- 距离测绘可以测量LCL的安全区域,有助于术前规划.
- 3D模型和DM提高了复杂骨结构的手术前计划的可靠性.
- 这种方法可以降低LCL手术中阳性损伤的风险.
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