静脉血管CT用于用流转器支架治疗的内动脉瘤的随访:可行性和与DSA的探索性相关性
Giorgio Conte1, Giulia Platania2, Beatrice Modello1
1From the Neuroradiology Unit (G.C., G.P., B.M., L.C., G.B., F.T.), Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico; Department of Pathophysiology and Transplantation (G.C., M.L.), Università di Milano; Neuroradiology Unit (A.F.), Fondazione IRCCS San Gerardo dei Tintori; Specialization School in Neurosurgery (A.T.), Università degli Studi di Milano; Neurosurgery Unit (G.F., M.L.), Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico.
AJNR. American journal of neuroradiology
|February 10, 2026
概括
静脉输入血管CT (IV-VasoCT) 显示出与流量转移器 (FD) 治疗的动脉瘤的非侵入性随访有希望. 这种成像技术可以可视化支架变形和血管变化,尽管线圈工件可能会影响质量.
科学领域:
- 血管成像 血管成像
- 干预性神经放射学 干预性神经放射学
- 医疗器械评估 医疗器械评估
背景情况:
- 对流量转换器 (FD) 治疗动脉瘤的最佳成像仍在争论中.
- 对动脉瘤后续的非侵入性,高质量的成像模式的需求.
研究的目的:
- 评估静脉静脉测试 (IV-VasoCT) 图像质量,用于动脉瘤随访后的FD安置.
- 评估IV-VasoCT在检测状支架变形和血管光度修改方面的能力.
主要方法:
- 以FD和随后的IV-VasoCT和数字减去血管学 (DSA) 治疗的患者的回顾性分析.
- 图像质量评估包括容器模糊,边界定义,支架辐射透明度,对比度和文物.
- 在IV-VasoCT和DSA之间对支架和血管发现的比较 (neointimal层,缩短,鱼口,撞击,编织崩).
主要成果:
- 在IV-VasoCT检测中,血管化 (73.1%) 和支架辐射透明度 (96.2%) 呈现良好至最佳.
- 与DSA相比,IV-VasoCT检测到neointimal层 (66%),鱼口 (100%) 和线崩 (100%) 的情况.
- 在评估支架前缩短 (50%) 和撞击 (50%) 中发现的挑战,卷轴可能对人工物产生影响.
结论:
- IV-VasoCT是一种可行的非侵入性成像选择,用于随访FD治疗的动脉瘤.
- IV-VasoCT可以描绘neointimal内和支架完整性的修改.
- 卷轴的存在可能会引入文物,可能会降低IV-VasoCT图像质量.
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