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2023年国际磁共振医学学会临床聚焦会议:“脑部之火成像”

ISMRM Clinical Focus Meeting 2023: "Imaging the Fire in the Brain".

作者信息

Agarwal Nivedita, Fan Audrey, Huang Xiaoqi, Dehkharghani Seena, van der Kolk Anja

机构信息

Diagnostic Imaging and Neuroradiology Unit, IRCCS Scientific Institute E. Medea, Bosisio Parini, Lecco, Italy.

Department of Neurology, University of California Davis Health, Sacramento, California, USA.

出版信息

J Magn Reson Imaging. 2025 Apr;61(4):1580-1596. doi: 10.1002/jmri.29587. Epub 2024 Aug 28.

Abstract

Set during the Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM), the "Clinical Focus Meeting" (CFM) aims to bridge the gap between innovative magnetic resonance imaging (MRI) scientific research and daily patient care. This initiative is dedicated to maximizing the impact of MRI technology on healthcare outcomes for patients. At the 2023 Annual Meeting, clinicians and scientists from across the globe were invited to discuss neuroinflammation from various angles (entitled "Imaging the Fire in the Brain"). Topics ranged from fundamental mechanisms and biomarkers of neuroinflammation to the role of different contrast mechanisms, including both proton and non-proton techniques, in brain tumors, autoimmune disorders, and pediatric neuroinflammatory diseases. Discussions also delved into how systemic inflammation can trigger neuroinflammation and the role of the gut-brain axis in causing brain inflammation. Neuroinflammation arises from various external and internal factors and serves as a vital mechanism to mitigate tissue damage and provide neuroprotection. Nonetheless, excessive neuroinflammatory responses can lead to significant tissue injury and subsequent neurological impairments. Prolonged neuroinflammation can result in cellular apoptosis and neurodegeneration, posing severe consequences. MRI can be used to visualize these consequences, by detecting blood-brain barrier damage, characterizing brain lesions, quantifying edema, and identifying specific metabolites. It also facilitates monitoring of chronic changes in both the brain and spinal cord over time, potentially leading to better patient outcomes. This paper represents a summary of the 2023 CFM, and is intended to guide the enthusiastic MR user to several key and novel sequences that MRI offers to image pathophysiologic processes underlying acute and chronic neuroinflammation. EVIDENCE LEVEL: 5 TECHNICAL EFFICACY: Stage 3.

摘要

“临床聚焦会议”(CFM)在国际医学磁共振学会(ISMRM)年会期间举行,旨在弥合创新性磁共振成像(MRI)科研与日常患者护理之间的差距。该倡议致力于最大限度地发挥MRI技术对患者医疗结果的影响。在2023年年会上,来自全球的临床医生和科学家受邀从各个角度讨论神经炎症(主题为“脑部炎症成像”)。主题涵盖从神经炎症的基本机制和生物标志物到不同对比机制(包括质子和非质子技术)在脑肿瘤、自身免疫性疾病和小儿神经炎症性疾病中的作用。讨论还深入探讨了全身炎症如何引发神经炎症以及肠-脑轴在引起脑部炎症中的作用。神经炎症由各种外部和内部因素引起,是减轻组织损伤和提供神经保护的重要机制。尽管如此,过度的神经炎症反应会导致严重的组织损伤和随后的神经功能障碍。长期的神经炎症会导致细胞凋亡和神经退行性变,造成严重后果。MRI可用于通过检测血脑屏障损伤、表征脑病变、量化水肿和识别特定代谢物来可视化这些后果。它还有助于随时间监测脑和脊髓的慢性变化,可能带来更好的患者预后。本文是2023年CFM的总结,旨在引导热情的MRI用户了解MRI提供的用于成像急性和慢性神经炎症潜在病理生理过程的几个关键和新颖序列。证据水平:5 技术效能:3级。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1bb8/11896938/8e725648e062/JMRI-61-1580-g004.jpg

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