4D Flow MRI of the Thoracic Aorta.

IF 4.2 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
David Dushfunian, Sebastian Cohn, Haben Berhane, Michael Markl
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引用次数: 0

Abstract

Four-dimensional (4D) flow MRI has emerged as a versatile technique for the three-dimensional evaluation of blood flow dynamics, offering the ability to visualize flow patterns qualitatively and allow for the retrospective quantification of standard and advanced hemodynamic parameters. Recent advancements in 4D flow MRI technology, including optimized acquisition protocols and improved hemodynamic analysis workflow efficiency, have facilitated its integration into standard clinical practice, enhancing the accessibility and applicability of this innovative imaging modality. A growing body of studies have demonstrated its clinical value for monitoring and informing the management of aortic pathologies, cementing its role in modern cardiovascular care. In this review, the authors provide a concise overview of data acquisition techniques and hemodynamics analysis methods for 4D flow MRI, with a specific focus on the thoracic aorta. The core of this article explores the clinical applications of aortic 4D flow MRI in patients with aortic valve disease, aortopathy, coarctation, dissection, connective tissue disorders, and age-related changes. Furthermore, the authors discuss the emerging role of artificial intelligence on improving 4D flow MRI acquisition and processing efficiencies. Keywords: Aorta, MR-Imaging, Vascular, Aortic Valve, 4D Flow MRI, Phase-Contrast, Hemodynamics, Clinical Applications © RSNA, 2025.

胸主动脉4D血流MRI。
四维(4D)血流MRI已经成为一种用于血流动力学三维评估的多功能技术,提供了定性可视化血流模式的能力,并允许对标准和高级血流动力学参数进行回顾性量化。4D血流MRI技术的最新进展,包括优化的采集方案和改进的血流动力学分析工作流程效率,促进了其融入标准临床实践,增强了这种创新成像方式的可及性和适用性。越来越多的研究证明了它在主动脉病变监测和管理方面的临床价值,巩固了它在现代心血管护理中的作用。在这篇综述中,作者简要概述了4D血流MRI的数据采集技术和血流动力学分析方法,并特别关注胸主动脉。本文的核心是探讨主动脉4D血流MRI在主动脉瓣病变、主动脉病变、主动脉缩窄、夹层、结缔组织病变及年龄相关性改变患者中的临床应用。此外,作者还讨论了人工智能在提高四维流MRI采集和处理效率方面的新兴作用。关键词:主动脉,磁共振成像,血管,主动脉瓣,4D血流MRI,相位对比,血流动力学,临床应用©RSNA, 2025。
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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20.40
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1.40%
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