Diagnostic reference levels in plain radiography for paediatric imaging: A Portuguese study |
| |
| Affiliation: | 1. IPC-Escola Superior de Tecnologia da Saúde de Coimbra, Medical Imaging & Radiotherapy Department, Rua 5 de Outubro, S. Martinho do Bispo, 3046-854 Coimbra, Portugal;2. Radiology Department, Medicine School, Universidad Complutense, IdISSC Hospital Universitario San Carlos, Madrid 28040, Spain;3. Faculdade de Medicina da Universidade de Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal;1. Department of Radiology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK;2. UCL Great Ormond Street Institute of Child Health, London, UK;3. Department of Histopathology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK;1. Health Physics Laboratory, Department of Physics, University of Ibadan, Nigeria;2. Department of Physical Sciences, Ajayi Crowther University, Oyo Town, Nigeria;1. Discipline of Medical Radiation Sciences, School of Molecular and Life Sciences, Curtin University, GPO Box U1987, Perth, Western Australia, 6845, Australia;2. School of Health Sciences (HESAV), University of Applied Sciences and Arts Western Switzerland (HES-SO), Av. de Beaumont 21, 1011, Lausanne, Switzerland;3. CISP - Centro de Investigação em Saúde Pública, Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa, Portugal |
| |
| Abstract: | ObjectiveTo determine diagnostic reference levels (DRLs) for the most frequent paediatric plain radiography examinations in Portugal (chest, pelvis and abdomen) and to characterise a standard paediatric patient for each age group used in literature.MethodsAnthropometric data was collected from 9935 patients. Each age group (<1, 1–<5, 5–<10, 10–<16, ≥16) was categorised by the median values of weight, height and BMI, to define a standard patient. Exposure parameters, kerma-area product (KAP-mGy cm2) and entrance surface air kerma (ESAK-μGy) were collected. DRLs for KAP and ESAK were defined as the 75th percentile (P75) of dose values and presented by age and weight.ResultsIn each age group the P75 of KAP varied from 11 to 77 mGy cm2 for chest; 23–816 mGy cm2 for pelvis; 25–979 mGy cm2 for abdomen. The P75 of ESAK varied from 49 to 67 μGy for chest; 98–1129 μGy for pelvis and 70–1060 μGy for abdomen.ConclusionThe P75 of dose values determined in this study were lower than those published in literature. When available, weight is the preferred parameter to categorise paediatric patients. The large ranges of dose values found in this study, demonstrates a clear need for the optimisation and harmonisation of practice. |
| |
| Keywords: | Paediatric radiology Diagnostic reference levels Radiation protection Patient dose |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
