Usefulness of the Preoperative Images Supporting Mechanical Thrombectomy Based on Susceptibility-Weighted Image for Stroke.

Journal of neuroendovascular therapy Pub Date : 2023-01-01 Epub Date: 2023-08-08 DOI:10.5797/jnet.tn.2023-0031

Hiroshi Ikawa, Shigetaka Okamoto, Naoki Shinohara, Saya Ozaki, Toshiaki Kusuhara

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Abstract

Objective: This is a report on the usefulness of 3D fusion imaging with susceptibility-weighted imaging (SWI) as preoperative imaging for mechanical thrombectomy (MT) for acute ischemic stroke (AIS).

Case presentations: Among 17 cases of patients who underwent MT in AIS between March 2021 and April 2022, 14 patients who underwent MRI with SWI (shortened SWI for stroke) and 3D T2-weighted sampling perfection with application-optimized contrasts using different flip angle evolution were targeted in the study. Three cases with motion artifacts due to body movement were excluded from the images.After imaging, 3D fusion images were constructed to visualize thrombi and occluded vessels. SWI for stroke obtained thrombus information in 11 of the 14 cases (78.5%) and 3D images of the thrombi could be created in all 11 cases. 3D fusion images could be created in nine of the 14 cases (64.2%).

Conclusion: 3D fusion images, using SWI for stroke, can visualize thrombi and occluded vessels and may be effectively used as preoperative images for MT.

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基于脑卒中易感性加权图像的术前图像支持机械性血栓切除术的实用性。

目的：这是一份关于敏感性加权成像（SWI）的3D融合成像作为急性缺血性卒中（AIS）机械血栓切除术（MT）术前成像的有用性的报告。病例介绍：在2021年3月至2022年4月期间在AIS中接受MT的17例患者中，本研究的14名患者接受了SWI（中风缩短SWI）和3D T2加权采样的MRI检查，并使用不同的翻转角度演变进行了应用优化对比。从图像中排除了三例由于身体运动而产生运动伪影的病例。成像后，构建3D融合图像，以显示血栓和闭塞血管。中风SWI在14例病例中有11例（78.5%）获得了血栓信息，并且在所有11例病例中都可以创建血栓的3D图像。在14例患者中，有9例（64.2%）可以创建3D融合图像。结论：使用SWI进行中风的3D融合图像可以显示血栓和闭塞的血管，可以有效地用作MT的术前图像。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of neuroendovascular therapy

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