Patient doses from noncardiac diagnostic and therapeutic interventional procedures.
Patient doses from noncardiac diagnostic and therapeutic interventional procedures.
复制标题
非心脏诊断和治疗介入手术的患者剂量。
DOI：
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发表时间：
2006
影响因子：
2.9
通讯作者：
G. Tzortzis
中科院分区：
文献类型：
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作者：
I. Tsalafoutas;H. Goni;P. Maniatis;P. Pappas;N. Bouzas;G. Tzortzis
目的
旨在确定在专用血管造影装置中进行的非心脏诊断和治疗性介入手术期间的患者剂量。
材料和方法
对于1，214例介入手术，记录了技术类型、剂量面积积（DAP）、累积剂量（CD）和透视时间。这些手术分为23类（10种诊断性和13种治疗性），每类包括9至259名患者。对于每个类别，使用描述性统计分析确定DAP、CD和透视时间分布的特征。评估了在DAP类别之间观察到的差异的统计学显著性。
结果
对于所研究的23个类别，中位DAP值范围为0.2至176.8 Gycm（2）。与文献相比，本研究中8个类别的平均和中位DAP值均在报告范围内，3个类别的平均和中位DAP值大于报告范围，6个类别的平均和中位DAP值小于报告范围，而文献中未发现其余6个类别的相关数据。
结论
总体而言，本次调查的结果表明，介入医生使用的技术、放射技术人员的操作技能以及X射线机的性能在患者辐射防护方面没有明显的缺陷。然而，对于文献中发现DAP值较低的手术，应进一步研究是否可以在不降低诊断和治疗结局的情况下降低患者剂量。
PURPOSE
To determine the patient doses during noncardiac diagnostic and therapeutic interventional procedures carried out in a dedicated angiographic unit.
MATERIALS AND METHODS
For 1,214 interventional procedures, the technique type, dose-area product (DAP), cumulative dose (CD), and fluoroscopy time were recorded. These procedures were classified into 23 categories (10 diagnostic and 13 therapeutic) that included nine to 259 patients each. For each category, descriptive statistical analysis was used to determine the characteristics of DAP, CD, and fluoroscopy time distributions. The statistical significance of the differences observed between categories in terms of DAP was assessed.
RESULTS
For the 23 categories studied, the median DAP values ranged from 0.2 to 176.8 Gycm(2). In comparison with the literature, the mean and median DAP values in this study were within reported ranges for eight categories, greater for three, and less for six, whereas for the remaining six categories no relevant data were found in the literature.
CONCLUSIONS
Overall, the results of this survey indicate that the techniques used by the interventionalists, the operation skills of radiation technologists, and the performance of the x-ray unit present no obvious deficiencies in terms of patient radiation protection. However, for those procedures in which lower DAP values were found in the literature, it should be further investigated whether patient doses could be reduced without degradation of the diagnostic and therapeutic outcomes.