使用深度学习方法进行全自动体积细分,以评估胸腔大动脉,内脏腹腔大动脉和内脏血管
Anna-Louise Pouncey1, Edmund Charles1, Colin Bicknell1
1Department of Vascular Surgery, Imperial College London, London, UK.
概括
使用人工智能的全自动体积细分 (FAVS) 准确地细分胸腔和内脏主动脉,匹配医生的性能. 这种人工智能技术可以改善复杂的大动脉动脉瘤治疗规划和监测的工作流程.
科学领域:
- 医疗成像医学成像
- 人工智能的人工智能
- 血管外科 血管外科
背景情况:
- 计算机断层扫描血管造影 (CTA) 对于分析复杂的大动脉动脉瘤至关重要,但是劳动密集和可变的.
- 目前的人工智能驱动的细分已经被验证为下大动脉,但需要对胸部和内脏部分进行测试.
研究的目的:
- 评估全自动体积分割 (FAVS) 与医生控制的手动分割 (PCMS) 的准确性.
- 评估FAVS在下降胸前大动脉,内脏腹部大动脉和内脏血管系统中的表现.
主要方法:
- 对50名手术前CTA进行了回顾性多中心观察队列研究.
- 使用灵敏度,特异性,子相似系数 (DSC) 和贾卡德指数 (JI) 进行FAVS和PCMS的比较.
- 对内脏血管识别和近端内脏直径测量的分析.
主要成果:
- FAVS显示了与PCMS可比的体积细分性能 (DSC中位数为0.93,JI为0.87).
- 在CTA空间分辨率范围内,FAVS正确识别了99.5%的内脏血管,分支点坐标在CTA空间分辨率范围内.
- 由FAVS进行的直径测量与PCMS和医生间变异性一致.
结论:
- FAVS提供胸腔和内脏大动脉的准确和高效的细分,与专家医生相美.
- 这种人工智能技术有可能增强管理复杂的大动脉动脉瘤的临床工作流程.
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