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Orthopaedics & Traumatology: Surgery & Research
Sous presse. Epreuves corrigées par l'auteur. Disponible en ligne depuis le mardi 19 mars 2019
Doi : 10.1016/j.otsr.2019.01.013
Received : 8 July 2018 ;  accepted : 22 January 2019
Are orthopedic surgeons exposed to excessive eye irradiation? A prospective study of lens irradiation in orthopedics and traumatology
 

Céline Cuenca a, , Pierre-Jean Mention b, Guillaume Vergnenegre a, Pierre-Alain Matthieu a, Jean-Louis Charissoux a, Pierre-Sylvain Marcheix a
a Service de chirurgie orthopédique et traumatologique, CHU de Limoges, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France 
b Service de médecine nucléaire, CHU d’Angers, 4, rue Larrey, 49933 Angers cedex 9, France 

Corresponding author.
Abstract
Introduction

Numerous studies in recent years highlighted an increased risk of pathologies related to ionizing radiation in caregivers. A new French decree was adopted on June 4, 2018, dividing by 7.5 the radiation dose authorized in the lens for exposed workers.

Hypothesis

The hypothesis of the present study was that ocular irradiation in orthopedic surgeons was below the new legal threshold.

Method

The equivalent dose (mSv) received by the lens was prospectively assessed in 10 orthopedic surgeons (5 senior, 5 residents), using 3 passive dosimeters placed at the forehead and either temple. Each intervention of each operator was recorded, with dose per area in the operating room at each use of the fluoroscope.

Results

All equivalent doses to the lens at the end of the 4 month study period were well below threshold. Doses were not significantly different between forehead and either temple (p =0.7, p =0.6 for the 2 temples). There was no difference according to side of the head (p =0.3). The dose received in the lens correlated with the dose delivered in the room (p =0.004). There were no significant differences in irradiation according to the surgeon's experience (p =0.2) or trauma activity rate (p =0.4).

Discussion

No studies have reported equivalent doses to the lens exceeding the authorized limit. But none previously measured equivalent dose to the lens according to the axis of irradiation in the eyes. The present study showed that orthopedic surgeons received as much eye radiation laterally as frontally. Ocular radiation protection needs therefore to be as effective laterally as frontally. The surgeon's experience did not emerge as a protective factor against ocular irradiation.

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Keywords : Radiation, Lens, Orthopedics, Traumatology, Radioprotection




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