对于疑似COVID-19患者的成像CT协议的标准化-A RACOON项目项目
Andrea Steuwe1, Benedikt Kamp1, Saif Afat2
1Department of Diagnostic and Interventional Radiology, Medical Faculty and University Hospital, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany.
用于诊断COVID-19的CT协议显示辐射剂量和图像质量的显著变化. 标准化这些协议对于在未来的流行病中保持一致的诊断准确性和辐射安全至关重要.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 公共卫生 公共卫生
背景情况:
- 用于COVID-19诊断的计算机断层扫描 (CT) 协议缺乏标准化.
- 在不同机构的辐射暴露和图像质量 (IQ) 中存在差异.
- 该RACOON (放射学合作网络) 项目旨在解决这些不一致的问题.
研究的目的:
- 在RACOON项目中评估用于COVID-19诊断的非对比CT协议.
- 巩固CT协议,并为未来的流行病准备制定建议.
- 分析CT参数,智商,辐射暴露和患者特征.
主要方法:
- 从COVID-19患者的非对比CT采集的回顾性分析 (2020年3月至10月).
- 数据收集包括CT协议参数,智商评分,辐射剂量 (CTDIvol) 和患者直径.
- 分析了来自14个地点和534次CT检查的数据.
主要成果:
- 81%的CT检查取得了良好的图像质量;低于最佳的智商归因于文物或噪音.
- 管电位各不相同 (80-140kVp),大多数协议使用100-120kVp.
- 平均辐射剂量 (CTDIvol) 为3.7±3.4mGy;大多数地点缺乏特定的COVID-19CT协议.
结论:
- 在COVID-19诊断的CT协议中,关于设置和辐射暴露的CT协议存在显著的变化.
- 需要对标准化智商和协议参数的建议,以便在各个站点之间获得可比的结果.
- 标准化将在流行病期间提高诊断的一致性和辐射安全.
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