在未破裂动脉瘤病例的干预神经放射学中进行辐射剂量分析
Satoru Kawauchi1,2,3, Koichi Chida2, Takashi Moritake4
1Department of Radiology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo 105-8470, Japan.
概括
这项研究测量了干预性神经放射学中的辐射剂量,在支架辅助线圈栓塞 (SACE) 和流转器支架 (FDS) 程序中发现更高的皮肤峰值剂量 (PSD) 和透镜剂量. 这些发现对于优化接受这些复杂治疗的患者的辐射暴露至关重要.
科学领域:
- 医学物理 医学物理
- 放射学 放射学是一门学科.
- 干预性神经放射学 干预性神经放射学
背景情况:
- 干预性神经放射学程序涉及显著的辐射暴露.
- 准确的剂量测量对于患者的安全和辐射保护至关重要.
- 之前的研究还没有为特定的神经放射学技术提供全面详细的辐射剂量.
研究的目的:
- 为了评估辐射剂量,特别是皮肤峰值剂量 (PSD) 和双边透镜剂量,用于各种干预性神经放射学程序.
- 在不同的技术中比较辐射剂量,包括简单技术线圈栓塞 (STCE),气球辅助线圈栓塞 (BACE),支架辅助线圈栓塞 (SACE) 和流转器支架 (FDS).
主要方法:
- 使用了带有放射光发光玻璃剂量计芯片的直接测量系统.
- 采用了由薄型可拉伸聚烯制成的剂量测量盖,用于准确的测量.
- 测量了STCE,BACE,SACE,简单FDS和FDS +卷轴程序的PSD和双边镜片剂量.
主要成果:
- 平均PSDs在1565mGy (STCE) 到2583mGy (SACE) 之间.
- 与STCE,BACE和简单的FDS相比,SACE程序的平均PSD显著更高.
- 平均左镜片剂量在126mGy (STCE) 到242mGy (FDS + 卷轴) 之间,SACE和FDS + 卷轴显示较高的值.
结论:
- 支架辅助线圈栓塞和流量调节器支架与线圈导致皮肤和透镜辐射剂量峰值升高.
- 很大一部分SACE病例超过2000mGy,而PSD则超过3000mGy.
- 收集的数据为干预性神经放射学中辐射剂量优化策略提供了基础.
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