Veille documentaire MTPH

Médecine du travail du personnel hospitalier

Measurement of occupational doses of ionising radiation to the lens of the eyes of interventional radiologists

Auteur       Anthony Higgins
Volume       36
Numéro       1
Pages       74-92
Publication       Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
ISSN       1361-6498
Date       Mar 2016
Résumé       Currently, there exists no standardised method for monitoring radiation doses to the eye lens. This investigation aimed to determine the optimum method for monitoring the eye doses for interventional radiologists. Three interventional radiologists were issued with a series of dosimeters to wear during their routine work. These dosimeters were worn at defined positions on the body and the absorbed dose to each position was measured. It was confirmed that the dose received to the thyroid collar followed an apparently well-defined relationship to the dose recorded on the forehead, which is representative of the dose to the lens of the eye. It was also confirmed that, as hypothesised, the dose to the left eye was universally greater than to the right, although by varying factors. It was concluded that the use of dosimeters attached to the inside arms of protective eyewear is the optimum solution for eye lens dosimetry. It was also concluded that, when used with a dose conversion factor which corroborates existing literature, dosimeters attached to the outside of a thyroid collar yield sufficiently accurate results for use in routine dosimetry programmes.

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