X-ray vision: the accuracy and repeatability of a technology that allows clinicians to see spinal X-rays superimposed on a person's back
X-ray vision: the accuracy and repeatability of a technology that allows clinicians to see spinal X-rays superimposed on a person's back
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DOI：
10.7717/peerj.6333
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发表时间：
2019-02-13
期刊：
影响因子：
2.7
通讯作者：
Hartvigsen, Jan
中科院分区：
文献类型：
--
作者：
Aaskov, Jacob;Kawchuk, Gregory N.;Hartvigsen, Jan
目的：自从电离辐射被发现以来，临床医生一直在评估与患者分开的X射线图像。这项研究的目的是调查一种新技术的准确性和可重复性，该技术试图通过将解剖学上正确的X射线图像投射到人的皮肤上来解决这一历史局限性。方法：共有13名参与者参加了研究，每个人都有腰椎正位X光片。每个参与者的图像都被上传到Hololens混合现实系统中，当佩戴该系统时，一名检查员可以查看参与者自己叠加在参与者背部的X光。使用Hololens系统获得的深度信息对投影图像进行地形校正，然后通过现有的解剖地标对齐。使用这一叠加图像，根据超声获得的棘突位置识别和验证椎体水平。1-5天后重复这一过程。如果每个椎体的投影落在特定椎体水平棘突的已知形态尺寸内，则每个椎体的投影被认为是“在目标上”。结果：投影系统相对于单个椎体水平产生目标投影的时间为73%，在测试过程中没有显著差异。测试期间所有椎体水平的平均重复性为77%。结论：这些准确性和重复性数据表明，将X射线直接投射到皮肤上的准确性和重复性用于识别潜在的解剖结构是可行的，因此，有可能将放射学评估置于患者的背景下。今后改进这一程序的机会将集中在减少潜在的错误来源上。
Objective: Since the discovery of ionizing radiation, clinicians have evaluated X-ray images separately from the patient. The objective of this study was to investigate the accuracy and repeatability of a new technology which seeks to resolve this historic limitation by projecting anatomically correct X-ray images on to a person's skin.Methods: A total of 13 participants enrolled in the study, each having a pre-existin g anteroposterior lumbar X-ray. Each participant's image was uploaded into the Hololens Mixed reality system which when worn, allowed a single examiner to view a participant's own X-ray superimposed on the participant's back. The projected image was topographically corrected using depth information obtained by the Hololens system then aligned via existing anatomic landmarks. Using this superimposed image, vertebral levels were identified and validated against spinous process locations obtained by ultrasound. This process was repeated 1-5 days later. The projection of each vertebra was deemed to be "on-target" if it fell within the known morphological dimensions of the spinous process for that specific vertebral level.Results: The projection system created on-target projections with respect to individual vertebral levels 73% of the time with no significant difference seen between testing sessions. The average repeatability for all vertebral levels between testing sessions was 77%.Conclusion: These accuracy and repeatability data suggest that the accuracy and repeatability of projecting X-rays directly on to the skin is feasible for identifying underlying anatomy and as such, has potential to place radiological evaluation within the patient context. Future opportunities to improve this procedure will focus on mitigating potential sources of error.