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- W2023925239 abstract "Abstract Purpose To investigate the effect of patient orientation on the radiation dose and image quality (IQ) for digital (DR) and computed radiography (CR) examinations of the pelvis. Methods A randomised study was conducted using DR and CR X-ray equipment. The standard patient orientation of head towards (HT) the two outer Automatic Exposure Device (AED) chambers was compared with a group of patients with their head away (HA) from the two outer AED chambers. Collection of mAs, source-to-skin distance and kVp data facilitated the calculation of entrance surface dose (ESD) and effective dose (ED) which were compared between groups. Each image was graded independently by three observers. IQ data were analysed for inter-observer variability and statistical differences. Results For DR pelvis examinations switching orientation (HT to HA) reduced the mean ESD and ED by 31% (P Conclusion Switching patient orientation relative to the AED chambers can help optimise radiation dose. In order to facilitate this chamber position should be clearly marked on all equipment and patient orientation should be a consideration when tailoring individual examinations. For DR minor changes in IQ are a consequence of changing orientation and should be factored into the decision making." @default.
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- W2023925239 date "2014-02-01" @default.
- W2023925239 modified "2023-09-24" @default.
- W2023925239 title "Optimum patient orientation for pelvic and hip radiography: A randomised trial" @default.
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- W2023925239 doi "https://doi.org/10.1016/j.radi.2013.09.002" @default.
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