Veille documentaire MTPH

Médecine du travail du personnel hospitalier

Staff lens doses in interventional urology. A comparison with interventional radiology, cardiology and vascular surgery values

Auteur        E. Vano
Auteur        J. M. Fernandez
Auteur        L. E. Resel
Auteur        J. Moreno
Auteur        R. M. Sanchez
Volume        36
Numéro        1
Pages        37-48
Publication        Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
ISSN        1361-6498
Date        Mar 2016
Résumé        The purpose of this work is to evaluate radiation doses to the lens of urologists during interventional procedures and to compare them with values measured during interventional radiology, cardiology and vascular surgery. The measurements were carried out in a surgical theatre using a mobile C-arm system and electronic occupational dosimeters (worn over the lead apron). Patient and staff dose measurements were collected in a sample of 34 urology interventions (nephrolithotomies). The same dosimetry system was used in other medical specialties for comparison purposes. Median and 3rd quartile values for urology procedures were: patient doses 30 and 40 Gy cm(2); personal dose equivalent Hp(10) over the apron (μSv/procedure): 393 and 848 (for urologists); 21 and 39 (for nurses). Median values of over apron dose per procedure for urologists resulted 18.7 times higher than those measured for radiologists and cardiologists working with proper protection (using ceiling suspended screens) in catheterisation laboratories, and 4.2 times higher than the values measured for vascular surgeons at the same hospital. Comparison with passive dosimeters worn near the eyes suggests that dosimeters worn over the apron could be a reasonable conservative estimate for ocular doses for interventional urology. Authors recommend that at least the main surgeon uses protective eyewear during interventional urology procedures.

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