扩展爱尔兰儿科患者的典型值,并与已发表的DRL进行比较 - - 单一机构的经验
Andrew Lyons1, Ali Mohammed Ali2, Andrew England1
1Discipline of Medical Imaging & Radiation Therapy, University College Cork, Cork, Ireland.
Journal of medical imaging and radiation sciences
|May 12, 2024
概括
这项研究确定了基于体重的典型值 (TVs) 用于儿科放射学,发现它们与患者的体重和检查类型相关. 在X射线室之间观察到辐射剂量指标的变化,突出了基于体重的诊断参考水平 (DRL) 的需要.
科学领域:
- 医疗成像医学成像
- 放射学 放射学是一门学科.
- 辐射保护 辐射保护
背景情况:
- 电离辐射暴露需要建立典型值 (TV) 和诊断参考水平 (DRL),以保持辐射剂量"尽可能低".
- 儿科辐射剂量指标应该取决于大小,而不是取决于年龄,以实现准确的风险管理.
- 标准化辐射剂量指标对于诊断成像中的比较分析至关重要.
研究的目的:
- 建立和比较胸部,腹部和骨盆放射的儿科典型值 (TVs).
- 调查儿科患者患者体重和辐射剂量指标之间的相关性.
- 为了识别儿科检查的不同X射线室的辐射剂量指标的变化.
主要方法:
- 从407次儿科X射线检查中追溯获取克尔玛区域产品 (KAP) 值.
- 儿童患者按体重分类 (5~15公斤,15~30公斤,30~50公斤,50~80公斤).
- 数据按检查类型 (胸部,腹部,骨盆) 和X射线室分层,然后使用Microsoft Excel进行分析.
主要成果:
- 在定义的体重类别中建立了用于胸部,腹部和骨盆放射的儿科电视.
- 在所有检查的放射性手术中,显现出越来越多的电视和患者体重增加的明显趋势.
- 在不同X射线室之间观察到电视的显著差异,从胸部的-60%到119%,腹部的-50%到103%,骨盆的-14%到24%.
结论:
- 用于放射的儿科电视与与患者体重和检查类型相关的既定趋势保持一致.
- 辐射剂量指标的显著室间变异性需要进一步调查.
- 基于体重的电视/DRL被推用于儿科设置,因为年龄和体型之间的相关性不完美.
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