Côte科特迪瓦放射学实践研究:胸部正面检查一例

I. Konaté, Djagoury Koudou
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引用次数: 0

摘要

目的:我们工作的目的是研究C?科特迪瓦关于检查前胸以优化患者接受的剂量。材料和方法:这项工作在11个最常去的放射中心进行,涉及330名患者。除了在x光室可以找到的设备外,使用的设备是dap计。利用DAP-meter测量空气中剂量(Dair),计算入口表面剂量(De)。结果:采用第75百分位统计方法确定了诊断参考水平(DRL): 0.28±0.03 mGy,采用算术平均方法确定了入口表面剂量(Dem)的平均值:0.23±0.03 mGy。由于DRL小于Dem,所以剂量是最优的。然而,通过将我们工作的DRL值与其他国家获得的DRL值进行比较,我们可以说可以作出努力,进一步保护患者免受不必要的剂量。这包括增加电压,减少负载,增加探测器焦点距离,并增加额外的过滤。
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Study of Radiological Practices in Côte d’Ivoire: Case of the Frontal Chest Examination
Objective: The aim of our work is to study radiological practices in C?te d’Ivoire regarding the examination of the frontal chest in order to optimize the dose received by patients. Materials and Methods: The work was carried out in 11 of the most frequented radiology centers and involved 330 patients. The equipment used in addition to those that can be found in an X-ray room is the DAP-meter. Using the DAP-meter, we measured the Dose in the air (Dair) then we calculated the Entrance Surface Dose (De). Results: We have by the statistical method of the 75th percentile determined the Diagnostic Reference Level (DRL): 0.28 ± 0.03 mGy and by the arithmetic average, the average of the entrance surface dose (Dem): 0.23 ± 0.03 mGy. Since the DRL is lower than the Dem, the dose is said to be optimized. However by comparing the DRL of our work to the DRL values obtained in other countries, we can say that efforts can be made to further protect patients from unnecessary doses. This involves increasing the voltage, decreasing the load, increasing the detector focal point distance, and increasing additional filtration.
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