在急性缺血性中风中自动化高级成像. 一些确定性和不确定性
Enrico Fainardi1,2, Giorgio Busto2, Andrea Morotti3
1Neuroradiology Unit, Department of Experimental and Clinical Biomedical Sciences, University of Florence, Italy.
European journal of radiology open
|September 29, 2023
概括
对于急性缺血性中风 (AIS) 患者的高级成像显示出希望,但在选择内血管治疗 (EVT) 候选人方面存在局限性. 结合先进和传统的成像可能会改善患者在晚期时间窗口中选择EVT.
科学领域:
- 神经辐射学神经辐射学
- 脑卒中成像 脑卒中成像
- 干预神经病学 干预神经病学
背景情况:
- 像计算机断层扫描输液 (CTP) 和扩散/输液加权成像 (PWI/DWI) 等先进的成像技术对于选择急性缺血性中风 (AIS) 患者进行内血管治疗 (EVT) 至关重要.
- 这些方法旨在量化心脏病核心和缺血半阴影,定义"目标不匹配"标准,以在晚期 (6-24小时) 选择最佳患者.
研究的目的:
- 审查先进成像在选择AIS患者进行EVT的好处和缺点,重点关注晚期时间窗口.
- 讨论目标不匹配标准 (包括核心体积,半阴影体积和不匹配比率) 在患者选择中的作用.
主要方法:
- 复习先进的成像技术 (CTP,DWI,PWI) 及其在AIS患者选择中对EVT的应用.
- 分析目标不匹配参数,自动化软件计算及其局限性.
- 高级成像与传统成像的比较 (例如,ASPECTS,CT血管学附带).
主要成果:
- 先进的成像可以量化心脏病核心和缺血半阴影,有助于目标不匹配的识别.
- 用于高级成像分析的自动化软件存在局限性,包括技术缺陷和供应商依赖的可变性,导致潜在的错误分类.
- 在检测心脏病核心时,先进成像的准确性可能是可变的,导致过高或低估.
- 目前使用先进成像技术的EVT的选择标准可能不足于最佳,导致高率的徒劳再输和过度选择.
- 关于先进成像是否优于常规成像在EVT选择方面存在争议,一些研究表明与传统方法的结果相似.
结论:
- 虽然先进的成像技术提供了宝贵的见解,但其在自动化分析和准确性方面的局限性需要仔细考虑.
- 最佳选择AIS患者进行EVT,特别是在晚期窗口,仍然具有挑战性.
- 结合传统和先进的成像方法,可以为选择符合EVT条件的患者提供更好的标准.
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