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Application of Statistical Process Control in Evaluation of Performance for Beam-matched Medical Electron Linacs / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 109-113, 2021.
Article in Chinese | WPRIM | ID: wpr-880434
ABSTRACT
Clinically, beam matching can greatly improve the flexibility and efficiency of treating patients between different medical electron linacs. However, in addition to the regular quality assurance (QA) test of the machine performance of linacs, there is still a lack of comprehensive evaluation of the clinical radiotherapy performance of beam-matched linacs. In this paper, the performance of volumetric modulated arc therapy (VMAT) between three closely matched linacs was evaluated by statistical process control (SPC) technology. It was found that the average and median γ passing rates of the VMAT QA processes of the three linacs had little difference, but the process capability levels were at three different levels. The results show that SPC technology can effectively evaluate the performance of beam matching for medical electron linacs, improve the patient-specific VMAT QA processes, and guide clinical decision-making.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Particle Accelerators / Quality Assurance, Health Care / Radiotherapy Dosage / Radiotherapy Planning, Computer-Assisted / Electrons / Radiotherapy, Intensity-Modulated Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Particle Accelerators / Quality Assurance, Health Care / Radiotherapy Dosage / Radiotherapy Planning, Computer-Assisted / Electrons / Radiotherapy, Intensity-Modulated Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2021 Type: Article