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在运行在1.5 T以下的MR系统上管理未标记的被动植入物患者
Frank G Shellock1, Matthew S Rosen2, Andrew Webb3
1Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
Journal of magnetic resonance imaging : JMRI
|September 28, 2023
概括
医生在使用低于1.5特斯拉的扫描仪对植入患者进行MRI扫描时面临挑战. 本指南有助于评估被动植入物的风险,确保所有患者的安全磁共振成像 (MRI).
科学领域:
- 医疗成像医学成像
- 生物医学工程 生物医学工程
- 放射学 放射学是一门学科.
背景情况:
- 标准的MRI安全协议侧重于1.5T和3T扫描仪,为较低场强度系统留下了一个空白.
- 植入植入体的患者通常有"MR条件"标签,仅在更高的电场强度时有效.
- 较低场强度的MRI扫描仪 (低于1.5T) 在评估植入物安全性方面存在独特的挑战.
研究的目的:
- 为在1.5T以下运行的MRI扫描仪上的被动植入物患者的管理提供指导.
- 赋予医生在非标签MRI场景中的风险益处评估的知识.
- 确保被动植入物患者的安全和自信的MRI检查.
主要方法:
- 对在1.5 T以下运行的临床MR系统的审查.
- 分析影响被动植入物的MRI安全因素 (静态磁场相互作用,射频加热).
- 开发MR的管理建议 在较低场强度扫描仪上的有条件植入物.
主要成果:
- 鉴定了医生在1.5T以下的扫描仪上的被动植入物MRI安全性方面的知识差距.
- 突出风险不安全的成像条件或拒绝对植入患者的MRI访问.
- 为了解被动植入物MRI相关安全问题提供了一个框架.
结论:
- 医生需要全面了解1.5T以下扫描仪上的被动植入物MRI安全性.
- 有效的风险效益评估对于植入物接受较低场强度MRI的患者至关重要.
- 本专著旨在提高医生对被动植入物患者进行MRI检查的信心和安全性.
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