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麻醉医护人员在接触3T磁共振成像扫描仪时出现急性眩晕。

Acute vertigo in an anesthesia provider during exposure to a 3T MRI scanner.

作者信息

Gorlin Andrew, Hoxworth Joseph M, Pavlicek William, Thunberg Christopher A, Seamans David

机构信息

Department of Anesthesiology, Mayo Clinic Arizona, Phoenix, AZ, USA.

Department of Radiology, Mayo Clinic Arizona, Phoenix, AZ, USA.

出版信息

Med Devices (Auckl). 2015 Mar 10;8:161-6. doi: 10.2147/MDER.S76474. eCollection 2015.

DOI:10.2147/MDER.S76474
PMID:25792858
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4362897/
Abstract

Vertigo induced by exposure to the magnetic field of a magnetic resonance imaging (MRI) scanner is a well-known phenomenon within the radiology community but is not widely appreciated by other clinical specialists. Here, we describe a case of an anesthetist experiencing acute vertigo while providing sedation to a patient undergoing a 3 Tesla MRI scan. After discussing previous reports, and the evidence surrounding MRI-induced vertigo, we review potential etiologies that include the effects of both static and time-varying magnetic fields on the vestibular apparatus. We conclude our review by discussing the occupational standards that exist for MRI exposure and methods to minimize the risks of MRI-induced vertigo for clinicians working in the MRI environment.

摘要

暴露于磁共振成像（MRI）扫描仪的磁场中所诱发的眩晕，在放射学界是一种众所周知的现象，但其他临床专科医生对此并未广泛了解。在此，我们描述了一例麻醉医生在为一名接受3特斯拉MRI扫描的患者实施镇静时发生急性眩晕的病例。在讨论了既往报告以及围绕MRI诱发眩晕的证据后，我们回顾了潜在病因，包括静磁场和时变磁场对前庭器官的影响。我们通过讨论现有的MRI暴露职业标准以及为在MRI环境中工作的临床医生将MRI诱发眩晕风险降至最低的方法来结束我们的综述。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/0cc8bbcdd534/mder-8-161Fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/c405b792a249/mder-8-161Fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/2e1983ea23d6/mder-8-161Fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/03762a872b7e/mder-8-161Fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/0cc8bbcdd534/mder-8-161Fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/c405b792a249/mder-8-161Fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/2e1983ea23d6/mder-8-161Fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/03762a872b7e/mder-8-161Fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3eb6/4362897/0cc8bbcdd534/mder-8-161Fig4.jpg

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本文引用的文献

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Occup Environ Med. 2014 Jun;71(6):423-9. doi: 10.1136/oemed-2013-101890. Epub 2014 Apr 8.
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PLoS One. 2013 Oct 30;8(10):e78748. doi: 10.1371/journal.pone.0078748. eCollection 2013.
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Computational dosimetry of induced electric fields during realistic movements in the vicinity of a 3 T MRI scanner.在 3T MRI 扫描仪附近进行实际运动时感应电场的计算剂量。
Phys Med Biol. 2013 Apr 21;58(8):2625-40. doi: 10.1088/0031-9155/58/8/2625. Epub 2013 Apr 3.
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