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Revista mexicana de pediatría
versão impressa ISSN 0035-0052
Resumo
ARIZAGA-BALLESTEROS, Víctor et al. Measurement of intentional exposure to ionizing radiation in a neonatal intensive care unit. Rev. mex. pediatr. [online]. 2021, vol.88, n.3, pp.96-100. Epub 16-Maio-2022. ISSN 0035-0052. https://doi.org/10.35366/102189.
Introduction:
Chest X-rays are one of the most common procedures used in neonatal intensive care units (NICU). The objective of this study was to determine the X-ray radiation dose received by hospitalized patients by means of incident air kerma (Ki), a measure of the skin entry dose.
Material and methods:
Observational, prospective, longitudinal and descriptive study. We included patients treated at the NICU of the Hospital Materno Infantil, Nuevo León, Mexico, who had one or more thoraco-abdominal (portable) radiographs taken during their stay. Ki was measured according to the International Atomic Energy Agency for the dosimetry of pediatric patients in plain radiography.
Results:
Sixty-six patients were analyzed. In total, 416 radiographs were taken; the median number of radiographs per patient was 13 (IQR 2-26). The Ki was 140 (IQR 80-450) μGy by radiography. In 75% of the exposures, the median Ki was 195 μGy.
Conclusions:
In newborns cared for in the NICU, the radiation doses from thoraco-abdominal radiographs are higher than international recommendations.
Palavras-chave : Ionizing radiation; newborn; preterm; Neonatal Intensive Care Unit; x-rays.