PMID: 15343142Sep 3, 2004Paper

Evaluation of the dose to pediatric patients undergoing micturating cystourethrography examination and optimization of the examination

La Radiologia medica
Andrea Mantovani, Elio Giroletti

Abstract

The aim of our work was to estimate the dose to paediatric patients undergoing micturating cystourethrography (MCU), and to optimize those examination procedures that were found to be particularly significant from the point of view of the radiation dose. At the same time it was also decided to evaluate the absorbed dose to the parents, who frequently assist the child during MCU. The study was carried out on 220 children undergoing micturatig cystourethrography, by measuring in vivo the dose equivalent entering and exiting from the patient with thermoluminescent dosimetry and the KAP (Kerma Area Product). From the latter, the imparted energy and the average absorbed dose to the patients were subsequently calculated. The average absorbed dose was 0.69+/-0.54 mGy, with a variation interval of 0.126-3.110 mGy. A remarkable dispersion of the absorbed dose values was observed, also for subjects of similar size. This indicates that radiation protection of paediatric patients still allows for wide margins of optimization. In fact it was possible to verify that the dose depends not only on the size of the child, but also on his/her degree of cooperation, and on the technical ability of the operator. The latter aspect was estimated by co...Continue Reading

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