确定显著的动力学特征来描述在外科手术任务期间使用空间注意力的压力
Yi Zheng1, Grey Leonard2, Herbert Zeh2
1Department of Mechanical Engineering, the University of Texas at Austin, Address, Austin, TX, USA.
Journal of medical robotics research
|June 26, 2023
概括
在外科手术期间的压力会影响新手外科医生.
科学领域:
- 医疗模拟和手术培训.
- 评估外科手术技能的评估.
- 人为因素在手术中的作用
背景情况:
- 在手术期间的压力会对手术技巧产生负面影响,特别是在初学者手术中.
- 压力会增加仪器尖的速度,加速度和冲动,导致运动不那么顺.
- 对于压力检测最敏感的动力学标记仍然不清楚.
研究的目的:
- 为了确定受手术内压力影响的最重要的动力学特征.
- 开发一个分类器,以区分正常和应激的外科手术运动.
- 分析动力学特征对应力分类的贡献.
主要方法:
- 使用基于空间注意力的长短期记忆 (LSTM) 分类器.
- 收集了从新手外科医生在正常和压力条件下执行转移任务的动力学数据.
- 雇员休假-一个用户 (LOUO) 交叉验证模型测试.
主要成果:
- 在LSTM分类器实现了77.11%的准确性,以区分正常和应力运动.
- 速度和加速对正常运动的注意力更高.
- 不占主导地位的手上的抽显示,在压力较大的动作中,注意力增加最为显著.
结论:
- 非主导手上的抽是初学者外科医生压力的一个有效指标.
- 动力学分析,特别是冲动,可以客观地评估手术压力.
- 这一发现有助于开发用于外科训练的压力检测工具.
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