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时间分辨三维相位对比磁共振成像对胸主动脉的成像：综述

Imaging of the thoracic aorta with time-resolved three-dimensional phase-contrast MRI: a review.

作者信息

Hope Thomas A, Herfkens Robert J

机构信息

Department of Radiology, University of California San Francisco, San Francisco, CA, USA.

出版信息

Semin Thorac Cardiovasc Surg. 2008 Winter;20(4):358-64. doi: 10.1053/j.semtcvs.2008.11.013.

DOI:10.1053/j.semtcvs.2008.11.013
PMID:19251177
Abstract

Time-resolved three-dimensional (3D) phase-contrast (PC) magnetic resonance imaging (MRI), or four-dimensional (4D) flow, is able to provide robust 3D images with three-directional velocities. This review discusses the technique and application of 4D flow in the imaging of thoracic aortic pathologies. It has been instrumental in describing normal flow patterns throughout the cardiac cycle in the ascending and descending aorta and has shown the variety of flow patterns that exist in ascending aortic aneurysms.

摘要

时间分辨三维（3D）相位对比（PC）磁共振成像（MRI），即四维（4D）血流成像，能够提供包含三维方向速度的可靠3D图像。本文综述了4D血流成像技术及其在胸主动脉病变成像中的应用。它有助于描述升主动脉和降主动脉在整个心动周期中的正常血流模式，并显示了升主动脉瘤中存在的多种血流模式。

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