通过PET扫描仪和Pet扫描仪使用基于红外线的跟踪标准轴向视野的患者运动的定量分析
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Rabia Aziz1, Jens Maebe2, Florence Marie Muller2,3
1Department of Electronics and Information Systems, Medical Image and Signal Processing, Ghent University, C. Heymanslaan 10, Ghent, Belgium. rabia.aziz@ugent.be.
EJNMMI physics
|November 24, 2024
概括
这项研究评估了患者在新的Walk-Through正子发射断层扫描 (WT-PET) 扫描仪中的运动. 结果显示,与标准PET-CT相比,肩膀和胸部运动增加,但头部和腹部运动稳定.
科学领域:
- 医疗成像医学成像
- 核医学是一种核医学.
- 生物医学工程 生物医学工程
背景情况:
- 长轴视野 (LAFOV) PET 扫描仪具有高灵敏度,但由于患者的定位而面临吞吐量限制.
- 一种新的Walk-Through PET (WT-PET) 扫描仪允许患者站立,这可能会提高吞吐量.
- 本研究评估了WT-PET系统中的患者运动,并将其与标准PET-CT进行比较.
研究的目的:
- 在新型WT-PET扫描仪中量化和分析患者的运动.
- 为了比较WT-PET和标准PET-CT扫描仪之间的运动特征.
- 为了评估呼吸条件 (正常与喘息) 对WT-PET系统中运动的影响.
主要方法:
- 在健康的志愿者身上进行了三项研究,在头部,肩膀,胸部和腹部使用红外标记器.
- 使用图像处理技术追踪运动,并将其转换为3D坐标.
- 在正常呼吸和喘息期间收集数据,以评估运动差异.
主要成果:
- 屏住呼吸显著减少了运动,特别是在腹部 (例如,在研究2中,从2.42毫米到1.67毫米).
- 统计分析 (Wilcoxon签名等级测试) 显示,在WT-PET和标准PET-CT之间,右肩 (p=0.0266),左肩 (p=0.0004) 和胸部 (p<0.0001) 的运动有显著差异.
- 没有观察到头部 (p=0.1327) 和腹部 (p=0.8404) 运动的显著差异.
结论:
- 与标准PET-CT相比,WT-PET扫描仪在肩膀和胸部区域的运动增加.
- 头部和腹部区域在WT-PET和标准PET-CT系统之间表现出可比的稳定性.
- 结果提供了关于运动管理的见解,以优化WT-PET扫描仪性能和患者吞吐量.
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