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KMID : 1164220170290020119
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Journal of Korean Society for Radiotherapeutic Technology
2017 Volume.29 No. 2 p.119 ~ p.128
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TomoTherapy: Analysis of treatment time and influencing factor
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Sohn Jong-Gi
Kang Hyun-Sung
Hwang Chul-Hyan
Seo Se-Jeong
Choi Min-Ho
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Abstract
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Purpose: The purpose of this study was to measure the average actual treatment time at the time of Tomotherapy treatment. We want to investigate the time required for the procedure in the treatment process that affects the actual treatment time.
Patients and Methods: We measured the time required by the procedure in 31 patients who were treated with tomography therapy. Beam-on time, Image registration time, Set-up with scan time and Actual treatment time were measured and stepwise regression analysis was performed.
Result: The average treatment time per a patient was 21.44 - 23.92 minutes. Beam-on time, Image registration time, and Set-up with Scan time were the important factors affecting the actual treatment time. The biggest influence was Beam-on time and Registration time was less affected by analysing.
Conclusion: The average treatment time per a patient in tomotherapy treatment was 22.68±3.37 minutes. The Approximately 21 patients are expected to be treated within 8 hours of regular work time. However, if the treatment is interrupted or the time of the procedure is changed during the treatment process, it affects the schedule of the daily treatment patients and the workload is expected to increase.
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KEYWORD
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Actual treatment time , Beam-on time , Set-up with Scan time , Image registration time,
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