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http://dx.doi.org/10.7742/jksr.2011.5.4.179

Statistical Study on Respiratory Signal Analysis according to Patient Position and Device in Radiation Therapy  

Seo, Jeong-Min (Department of Radiation Oncology, Samsung Medical Center)
Park, Myung-Hwan (Department of Radiation Oncology, Samsung Medical Center)
Shim, Jae-Koo (Department of Radiation Oncology, Samsung Medical Center)
Kim, Chan-Hyeong (Department of Nuclear Engineering, Hanyang University)
Park, Cheol-Soo (Department of Radiological Science, Hanlym College)
Kim, Kyung-Keun (Department of Radiological Science, Daegu Polytechnic University College)
Cho, Jae-Hwan (Department of Radiological Science, Gyeongsan University College)
Publication Information
Journal of the Korean Society of Radiology / v.5, no.4, 2011 , pp. 179-187 More about this Journal
Abstract
This study statistically analyzed the difference of the stability of maintaining a respiratory period shown according to position and use of a device to search the tendency and usefulness of a device. The supine position showed better maintaining respiratory cycles than the prone position. The 85% of subjects who showed bad maintenance pattern of a respiratory cycle were significantly different pattern with using belly board. It could be said that there was a significant correlation between the maintenance of a respiratory cycle and relative index of respirational stability(p=0.044, kappa=0.607). The movement due to respiration was one of important considerations in the radiation therapy on chest, abdomen, and even pelvis. This study could contribute to the high quality radiation therapy by statistic analysis of respiratory signals and its application.
Keywords
4D radiation therapy; respiratory signal; stereotactic body radiation therapy;
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