核磁共振成像技师到底懂什么?

Catherine Westbrook, John Talbot
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引用次数: 22

摘要

磁共振成像(MRI)是一种重要的诊断成像工具,近年来随着从事MRI扫描的放射技师数量的相应增加,它得到了迅速的发展。这种成像方式是一种复杂的成像方式,与MRI扫描仪相关的强磁场对患者和工作人员构成了非常严重的风险。因此,核磁共振技师接受正确操作和安全使用核磁共振的适当培训是至关重要的。从事核磁共振检查的放射技师的教育主要由放射技师或应用专家在“内部”提供。这种培训通常是非正式的,重点是基本的安全培训和扫描仪软件的使用。这种学习通常没有得到正式的评估,因此它的价值也没有得到适当的评估。2007年,作者作为独立顾问,开发了一些评估工具,以便在具有一系列MRI经验的个人群体中快速有效地评估与MRI临床应用相关的理论知识和技能。采用客观结构化临床检查(OSCE)对47名具有一定MRI经验的个体进行了测试。一些人还被赋予了一个生动的声音。我们的结果表明,我们样本中的大多数放射技师不能正确回答超过一半的欧安组织问题,而且一个显着且不可接受的数字不能说服我们他们可以安全地进行MRI。很少有考生对图像质量问题和参数操作有足够的了解。一些人还对他们的放射学资质表示担忧。
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What do MRI radiographers really know?

Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has seen rapid expansion in recent years with a commensurate increase in the number of radiographers undertaking MRI scans. This imaging modality is a complex one and the strong magnetic fields associated with MRI scanners pose a very serious risk to patients and staff. Therefore it is essential that MR radiographers receive appropriate training in the correct operation and safe use of MRI. The education of radiographers undertaking MRI examinations is largely provided “in-house” by radiographers or applications specialists. This training is usually informal and focuses on essential safety training and the use of scanner software. This learning is not usually formally assessed and therefore its value is not properly evaluated.

In 2007 the authors, acting as independent consultants, developed a number of assessment tools to enable quick and effective evaluation of theoretical knowledge and skills related to the clinical use of MRI in a group of individuals with a range of MRI experience. A total of 47 individuals with a range of MRI experience were tested using an Objective Structured Clinical Examination (OSCE). Some were also given a viva voce.

Our results show that the majority of radiographers in our sample could not answer more than half the OSCE questions correctly and a significant and unacceptable number did not convince us they could practice MRI safely. Very few of the examinees had adequate knowledge of image quality issues and parameter manipulation. A few also raised concerns over their radiographic credentials.

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