2021
DOI: 10.7461/jcen.2021.e2020.10.007
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Usefulness of three-dimensional fast imaging employing steady-state acquisition MRI of large vessel occlusion for detecting occluded middle cerebral artery and internal carotid artery before acute mechanical thrombectomy

Abstract: Objective: Acute mechanical thrombectomy (AMT) in patients with acute ischemic stroke from large vessel occlusion (LVO) is performed without directly identifying the occluded vessels. In this study, we evaluated whether 1.5 T magnetic resonance imaging (MRI) with 3D-fast imaging employing steady-state acquisition (FIESTA) could visualize the occluded intracranial middle cerebral artery (MCA) and internal carotid artery (ICA) before AMT.Methods: This retrospective study included 21 consecutive patients who unde… Show more

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Cited by 6 publications
(9 citation statements)
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“…The fusion image using T2-SPACE presented herein is simple to generate, requiring imaging and reconstruction times of approximately 2.5 min and 5 min, respectively. The scanning time was slightly longer than that reported by Sato et al 5) However, the total scanning time with the addition of evaluating MRA is less than 5 min, which is comparable to their report. 5) A manual is in place at our medical center so that the technician on duty can produce images even at night and/or without optimal support from their clinical team.…”
Section: Discussionsupporting
confidence: 67%
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“…The fusion image using T2-SPACE presented herein is simple to generate, requiring imaging and reconstruction times of approximately 2.5 min and 5 min, respectively. The scanning time was slightly longer than that reported by Sato et al 5) However, the total scanning time with the addition of evaluating MRA is less than 5 min, which is comparable to their report. 5) A manual is in place at our medical center so that the technician on duty can produce images even at night and/or without optimal support from their clinical team.…”
Section: Discussionsupporting
confidence: 67%
“…The MCA can be followed by imaging the retrograde blood flow using cone-beam computed tomography 3) and 3D fast imaging. 4 , 5) Basi-parallel anatomical scanning, which uses heavy T2-weighted images, is a well-known technique for visualizing the arterial outer diameter within vertebral artery dissection; however, this technique is limited as it only provides two-dimensional description. 14) To the best of our knowledge, few comprehensive studies to date have predicted the course of an occluded vessel or discussed the most appropriate method for supporting the MT procedure.…”
Section: Discussionmentioning
confidence: 99%
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“…8) A few studies of mechanical thrombectomy have em-ployed magnetic resonance imaging (MRI) to detect occluded vessels in the anterior circulation, and we have demonstrated the efficacy of three-dimensional turbo spinecho (3D-TSE) sequences using T1WI and T2WI to evaluate both thrombus configuration and arterial anatomy at the middle cerebral artery bifurcations. [9][10][11] In this study, we applied 3D-TSE T2WI to examine the vascular structure of the posterior circulation, including a comparison of vessel diameters between the posterior communicating artery (PCoA) and the P1 segment of the posterior cerebral artery (PCA). Our findings indicate the utility of 3D-TSE T2WI for identifying the mechanism of posterior circulation cerebral ischemia and achieving a safe and efficient mechanical thrombectomy.…”
Section: Introductionmentioning
confidence: 99%