预测用于血管内机械血栓切除术的闭塞大脑中动脉形态:对侧形状分析方法。

Asian journal of neurosurgery Pub Date : 2024-06-24 eCollection Date: 2024-09-01 DOI:10.1055/s-0044-1787869
Naoki Takenoya, Soichi Oya, Takehiro Watanabe, Masaaki Shojima, Toru Matsui, Yoshikazu Yoshino
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引用次数: 0

摘要

导言 从对侧 MCA 预测闭塞的大脑中动脉(MCA)的形状可能有助于血管内机械血栓切除术(EMT)的导管操作。材料和方法 我们分析了连续 100 例因急性缺血性卒中以外的疾病接受磁共振成像的患者的磁共振血管造影。为了评估 MCA 的对称性,我们调查了 M1 的形状、M1 的长度、M2 的数量、早期分支(EB)的数量以及颈内动脉顶部到 EB 的距离。结果 42%的患者 M1 的形状是向上的,47%是水平的,11%是向下的。64%的患者两侧的M1形状相同,超过了左右独立的假定概率。分别有 86% 和 55% 的患者的 M2 主干和 EB 的数量与左右两侧一致;但是,这些一致率并没有高于左右独立的患者。在 M1 长度和颈内动脉到 EB 的距离之间没有发现左右相关性。结论 根据我们的数据,MCA 的对称性仅体现在 M1 段的形状上。这一发现可能有利于针对 MCA 栓塞的 EMT。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predicting Occluded Middle Cerebral Artery Morphology for Endovascular Mechanical Thrombectomy: A Contralateral Shape Analysis Approach.

Introduction  Predicting the shape of the occluded middle cerebral artery (MCA) from the contralateral MCA might help catheterization in endovascular mechanical thrombectomy (EMT). Materials and Methods  We analyzed magnetic resonance (MR) angiography in 100 consecutive patients who had MR imaging for diseases other than acute ischemic stroke. To assess the symmetricity of MCA, the shape of M1, length of M1, number of M2, number of early branches (EBs), and distance from the top of the internal carotid artery to EB were investigated. Results  The shape of M1 was upward in 42%, horizontal in 47%, and downward in 11%. The M1 shape was the same on both sides in 64%, which exceeded the probability assumed to be left-right independent. The number of M2 trunks and EBs matched left and right in 86 and 55% of patients, respectively; however, these agreement rates were not higher than those with independent left and right sides. No left-right correlation was found between the M1 length and the distance from the internal carotid artery to EB. Conclusion  Based on our data, the symmetry of MCA was observed only in the shape of the M1 segment. This finding could be beneficial for EMT targeting MCA embolisms.

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