形束计算机断层扫描 (CT) 辅助的放射性插入胃口. 技术考虑和对辐射剂量的影响
J Finnegan1, J O'Mahony1, C Reid1
1Department of Interventional Radiology, Beaumont Hospital, Beaumont Road, Dublin, Ireland.
形束CT辅助放射性插入胃口术 (RIG) 提高了成功率,并减少了工作人员的辐射暴露,尽管患者的辐射剂量更高. 这种技术为更安全的程序提供了最终的解剖评估.
科学领域:
- 干预性放射学 干预性放射学
- 医疗成像医学成像
- 胃肠病学 胃肠病学
背景情况:
- 逆行放射性插入胃口术 (RIG) 是一种常见的肠道养接入程序.
- 程序内成像对于指导RIG放置和确保准确性至关重要.
- 圆束计算机断层扫描 (CT) 提供了详细的3D解剖视觉化.
研究的目的:
- 为了比较形光束CT辅助RIG与传统光学引导RIG的技术成功,安全性和辐射剂量影响.
- 评估形光束CT对程序效率和人员辐射暴露的影响.
主要方法:
- 对107个逆行RIG程序进行了回顾性分析.
- 程序被分为两个组:48个采用形光束CT辅助,59个仅采用常规光镜.
- 技术成功率,并发症,辐射剂量 (DAP) 和手术/光镜时间进行了比较.
主要成果:
- 与常规RIG (79.6%) 相比,形束CT辅助RIG的技术成功率更高 (95.8%).
- 在常规组中发生了一种并发症 (管道错位);在形光束CT中没有报告重大并发症.
- 圆束CT辅助RIG与更高的患者辐射剂量相关 (DAP 8.5 Gy.cm2 vs 3.4 Gy.cm2),但显著减少了手术和光镜查时间.
结论:
- 形光束CT辅助RIG是一种安全有效的替代传统光学引导RIG.
- 增加的患者辐射剂量被改善的解剖评估,更高的成功率和工作人员减少的光镜暴露所抵消.
- 这种先进的成像技术增强了RIG安置中的程序结果.
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