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Assessment of patient dose in routine digital radiography in Iran
B. Mohsenzadeh, M.R. Deevband Ph.D., , R. Paydar, M. Ghorbani
Department of Medical Physics and Biomedical engineering, Faculty of Medicine, Shahid Beheshti University of Medical Sciences and Health Services, Tehran, Iran , mdeevband@sbmu.ac.ir
Abstract:   (165 Views)
Background: The present study aimed to investigate patient dose in common X-ray examinations to estimate effective dose in the digital radiography in Iran. Materials and Methods: Entrance surface dose (ESD) was measured based on applied exposure parameters for the common actual examination; and then effective dose (ED) was calculated by use of PCXMC software. The study was conducted on 15358 patients in 85 X-ray rooms; and the necessary data was collected for five age groups, 0-1 year, 1-5 years, 5-10 years, 10-15 years old and adults in each projection. Results: The ranges of ESD and ED in different examinations for all the age groups are 0.02-10.20 mGy and 2.42-378.96 µSv respectively. Conclusion: The effective dose as criteria can be used to reduce patients' doses. The special considerations such as: adequate training of imaging staff; updating clinical audits; patient dose considerations; implementation of systematic and regular quality assurance and quality control programs in medical imaging departments should be taken into account to optimize radiological practices.
Keywords: Patient dose, dose reference level, dosimetry in diagnostic radiology, entrance surface dose, effective dose.
Full-Text [PDF 1792 kb]   (28 Downloads)    
Type of Study: Original Research | Subject: Medical Physics
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International Journal of Radiation Research
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