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首页> 外文期刊>Medical Physics >A manual algorithm for computing dwell times for two-catheter endobronchial treatments using HDR brachytherapy.
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A manual algorithm for computing dwell times for two-catheter endobronchial treatments using HDR brachytherapy.

机译：使用HDR近距离放射疗法计算两导管支气管内治疗的停留时间的手动算法。

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摘要

A method has been developed to permit the calculation of dwell times for endobronchial high dose rate (HDR) brachytherapy treatment using two catheters, without using a dedicated treatment planning system. Worksheets were developed to guide a user through manual calculations, and a computer program was written to automate the process. This empirical algorithm produces dose distributions that are clinically safe and reasonable. The total dwell times match those predicted by individually optimized distributions to within a few percent. The method has been used most frequently as a quality assurance check on optimized plans produced by a commercial treatment planning system, but it can serve as a back-up method should the commercial system fail. [Worksheets with example calculations may be retrieved using anonymous ftp from the American Institute of Physics, Electronic Physics Auxillary Publication Service (EPAPS).]
机译：已开发出一种方法，可以使用两个导管来计算支气管内高剂量率（HDR）近距离放射治疗的停留时间，而无需使用专用的治疗计划系统。开发了工作表以指导用户进行手动计算，并编写了计算机程序以使过程自动化。该经验算法产生临床上安全合理的剂量分布。总停留时间与个别优化分布预测的时间相差不超过百分之几。该方法最常用作对商业治疗计划系统生成的优化计划进行质量保证检查的方法，但如果商业系统出现故障，它可以用作备用方法。 [带有示例计算的工作表可以使用匿名ftp从美国物理学会电子物理辅助出版服务（EPAPS）检索。]

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