TAVI-PREP:一个基于深度学习的工具,用于在TAVI规划中自动测量提取
Marcel Santaló-Corcoy1,2, Denis Corbin1, Olivier Tastet1
1Montreal Heart Institute, Montreal, QC H1T 1C8, Canada.
Diagnostics (Basel, Switzerland)
|October 28, 2023
概括
一个新的深度学习工具,TAVI-PREP,使用CT扫描自动测量通过导管的大动脉植入 (TAVI) 计划的测量. 它提供可靠和时间效率高的数据,以协助临床医生进行手术前规划.
科学领域:
- 医疗成像医学成像
- 医疗保健中的人工智能
- 心血管外科心血管外科
背景情况:
- 过导管大动脉植入 (TAVI) 是一种针对严重大动脉狭窄的微创手术.
- 精心的手术前规划对于减轻与TAVI相关的手术风险至关重要.
研究的目的:
- 引入TAVI-PREP,这是一个用于TAVI预先计划的自动化深度学习系统.
- 从CT扫描中提取大动脉膜综合体的关键测量结果.
主要方法:
- TAVI-PREP使用MeshDeformNet进行3D网格生成,3D残余U-Net进行地标检测.
- 该算法在公共和私人数据集上进行了训练,分析了200个CT扫描.
- 测量结果与专家心脏病学家的手册注释进行了比较,评估了操作者之间的变化.
主要成果:
- 对于大多数参数,TAVI-PREP和专家测量结果之间发现了很高的相关性 (0.90-0.97).
- 大多数测量的平均绝对相对误差低于5%,冠状动脉高度除外.
- 算法显示没有偏见,专家的共识超过了对自动化方法的同意.
结论:
- TAVI-PREP提供可靠和快速的测量,用于对大动脉膜复合体进行评估.
- 该系统可以显著帮助临床医生在TAVI的程序前规划.
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