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在外围AVM中大规模的线圈栓塞后,CT血管学上的金属工件减少的有用性

Jihwan Choi¹, Sang Yub Lee², Kwang Bo Park²

¹Department of Digital Health, SAIHST, Sungkyunkwan University, 115 Irwon-Ro, Gangnam-gu, Seoul, the Republic of Korea; Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, the Republic of Korea.

European journal of radiology

|December 17, 2025

概括

智能金属人工物减少 (SMAR) 处理显著改善了在栓塞后评估动脉静脉形 (AVM) 的图像质量. 这项技术增强了可视化,并减少了多种CT重建方法中的文物.

科学领域:

放射学放射学是一门学科.
医疗成像医学成像
干预性放射学干预性放射学

背景情况:

对外围动脉静脉形形 (AVM) 的栓塞后评估可能是具有挑战性的,原因是线圈中的金属工件.
评估图像质量对于准确的诊断和治疗计划至关重要.

研究的目的:

评估智能金属人工物减少 (SMAR) 技术在AVM线圈栓塞后改善三种CT重建方法 (FBP,AR50,DL-M) 的图像质量的有效性.
为了比较SMAR处理的FBP,AR50和DL-M与没有SMAR的基线DL-M的性能.

主要方法:

一项前性研究包括30名接受线圈栓塞治疗AVM的患者.
双能量CT血管造影是在栓塞后进行的.
使用FBP,AR50和DL-M重建虚拟单能图像,使用或不使用SMAR处理.
进行了客观 (SD,AI,CNR) 和主观 (文物严重程度,船只可视化) 的评估.

主要成果:

与50和70keV的基线DL-M相比,SMAR处理显著减少了金属工件 (较低的SD和AI) (p <0.001).
主观得分表明,在SMAR (p < 0.001) 的工件减少和相邻容器可视化方面,有显著的改善.
在三种SMAR处理的重建方法之间没有发现任何显著差异;新的文物是最小的.

结论:

经SMAR处理的FBP,AR50和DL-M重建有效地减少了金属工件,并在AVM线圈栓塞后增强了血管可视化.
在AVM管理中,SMAR技术证明了治疗后评估和临床决策的价值.

关键词:

动脉静脉形形发生人工制品的艺术品.栓塞,治疗性的治疗.图像处理,计算机辅助图像处理.断层扫描,X射线计算成像

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