Creation Of Safe Dose Zones Using Isodose Maps In Video Fluoroscopic Swallowing Studies For Pediatric Patients
Moncada, S. A.; Redenz, M. A.; Gac, M. I.; Jimenez, M. G.; Castillo, R.
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BackgroundDuring video fluoroscopic procedures in pediatric patients, a considerable number of individuals, including occupationally exposed professionals (OEP) and patient companions, must be present, exposing themselves to radiation. ObjectiveTo determine safety areas for OEP to receive the lowest absorbed dose during the examination, as shown in isodose maps. MethodTechnical parameters used in the examination were obtained by reviewing exams conducted during the years 2021 and 2022. Subsequently, a procedure was conducted to simulate these data using an anthropomorphic phantom and taking measurements at different points and levels of the examination room to create a map with dose zones in three dimensions. A Geiger Muller ionization chamber was used to measure the doses. ResultsIt was found that the points closest to the patient at pelvic level of the professional had the highest doses. ConclusionOEP who must remain close to the patient have an essential obligation to comply with the use of radiological protection elements, and the relocation of elements in the room could be considered.
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