自动化ASPECTS软件的性能和作为计算机辅助检测工具的价值
J Lambert1,2,3, J Demeestere4,5, B Dewachter6,2
1From the Departments of Radiology (J.L., B.D., L.C., R.S., L. B., P.D.) julie.lambert@uzleuven.be.
AJNR. American journal of neuroradiology
|July 27, 2023
概括
自动化的ASPECTS软件改善了在进行血栓切除术的中风患者中早期缺血性变化的治疗者间协议. 这种计算机辅助检测提高了临床实践中的评分一致性.
科学领域:
- 神经辐射学神经辐射学
- 脑卒中成像 脑卒中成像
- 定量分析 定量分析
背景情况:
- 阿尔伯塔中风计划早期CT评分 (ASPECTS) 评估前循环中风中非对比CT (NCCT) 的早期缺血变化.
- 传统的ASPECTS评分中的Interrater变异性可能会影响临床决策,特别是对血栓切除术的资格.
研究的目的:
- 为了评估自动化ASPECTS软件与多个评级人员的传统评分相比的一致性.
- 评估计算机辅助检测对提高急性缺血性中风的评分准确性和一致性的影响.
主要方法:
- 对175名急性缺血性中风患者的NCCT扫描进行了回顾性分析,这些患者患有大血管封闭,接受了血栓切除术.
- 五位评级人员独立评分了传统的ASPECTS;使用RAPID软件生成了自动化的ASPECTS.
- 根据标准标准对协议进行了评估,包括完整的ASPECTS和与血栓切除指导方针相关的二分化得分 (0-5对6-10).
主要成果:
- 自动化ASPECTS显示了与标准标准的中度一致 (加权 κ = 0.59) ,与个人评级者相比.
- 软件辅助显著改善了个人评价者与标准标准的协议和评价者之间的协议 (Fleiss κ增加).
- 当使用自动输出时,观察到完整和二分化的ASPECTS评分都得到了更好的一致性.
结论:
- 自动化ASPECTS提供与标准标准标准达成一致的程度,类似于传统的评分.
- 将自动化ASPECTS集成到NCCT评估过程中,可以增强协议并减少评价者之间的变化.
- 这种计算机辅助的方法有可能在急性中风管理中提供更标准化和可靠的ASPECTS评分.
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