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用1.5T磁力共振成像进行三维血管壁成像,以可视化隐形的闭塞脑动脉

Kosuke Kumagai¹, Miyuka Hayashi¹, Takahiro Takahashi¹

¹Department of Neurosurgery, Ken-o-Tokorozawa Hospital, Tokorozawa, Saitama, Japan.

Acta radiologica (Stockholm, Sweden : 1987)

|October 13, 2023

概括

使用1.5-TMRI的三维质子密度加权血管壁成像 (3D PDW-VWI) 有效地可视化了急性缺血性中风 (AIS) 患者经历内血管血栓切除术 (EVT) 的阻塞动脉. 这种技术有助于可视化血管路径,但在确定血块大小方面存在局限性.

科学领域:

神经辐射学神经辐射学
干预神经病学干预神经病学
医疗成像医学成像

背景情况:

血管内血栓切除术 (EVT) 对来自大血管封闭的急性缺血性中风 (AIS) 至关重要.
术前可视化封闭血管对于成功的EVT和并发症减少至关重要.
使用3.0-TMRI和VRFA-TSE序列的3D质子密度加权血管壁成像 (3D PDW-VWI) 可以提供这种可视化.

研究的目的:

为了评估3D PDW-VWI使用1.5-T MRI没有可变重定焦翻转角度 (VRFA) 功能的有效性.
评估这种成像技术在接受EVT的AIS患者中的实用性.

主要方法:

一项前性研究涉及连续五名因大血管封闭而导致AIS的患者,他们接受了EVT.
除了标准的大脑成像外,还使用了1.5TMRI与3DPDW快速旋转回声 (FSE) 技术进行血管壁成像.

主要成果:

3D PDW-FSE在所有五名患者中都成功实施.
该技术有效地可视化了前后循环中塞动脉的过程.
然而,3D PDW-FSE无法在所有情况下一致确定血栓的长度和大小.

结论:

使用3D PDW-FSE的1.5T MRI,即使没有VRFA,也可以在AIS患者中清晰地划出堵塞动脉的路径.
这种成像模式显示了支持AIS的EVT后积极结果的潜力.

关键词:

1.5 T 磁共振成像技术血管内血栓切除术血管内血栓切除术质子密度加权成像技术三维成像三维成像技术

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