Ces radiol. 2014, 68(4):318-322

The radiation exposure of workers' hands during the preparation and administration of radiopharmaceuticals labelled with a radionuclide 18FOriginal article

Jana Hudzietzová1, Marko Fülöp2, Jozef Sabol3, Jiří Doležal4
1 České vysoké učení technické v Praze, Fakulta biomedicínského inženýrství, Kladno
2 Slovenská zdravotnícka univerzita, Bratislava, Slovenská republika
3 PA ČR v Praze, Katedra krizového řízení, Praha
4 ONM FN, Hradec Králové

Aim: The paper is aimed at the assessment of the local skin exposure of hands of workers at the Department of Nuclear Medicine of the Faculty Hospital Hradec Králové.

Method: The monitoring, which was carried out using gloves with 12 thermoluminiscent dosimeters, involved two workers preparing and four workers administrating radiopharmaceuticals labelled with 18F. By ever worker took place three cycles of the measurement of application (one cycle of this measurement was 25 preparation or application). The average activity associated with one measurement was in the range of 9-13 GBq. In each worker, the position and maximum local exposure of the skin was determined, based on which the assessment of annual local exposure has been established.

Results: The average local skin exposure of workers engaged in the preparation of positron radiopharmaceuticals amounted to 0.16 ± 0.11 mSv/GBq (left hand) and 0.23 ± 0.05 mSv/GBq (right hand). By the workers they applicated radiopharmaceutical 18F was on average measured local exposure of the skin of the hand 0.41 ± 0.10 mSv/GBq (left hand) and 0.11 ± 0.06 mSv/GBq (right hand). The most frequent position, with the occurrence of the maximum skin exposure, was on the index fingertip.

Conclusion: From results of the local exposure of hands, it was estimated that under the assumption of annual about 600 applications or 260 administration, the monitored workers it may be presumed that their annual exposure would not exceed the investigation level (150 mSv/y) or dose limit for the skin (500 mSv/y).

Keywords: nuclear medicine, 18F, skin exposure of the hand, thermoluminescent dosimeters, radiation protection
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Referát byl připraven za částečné podpory poskytnuté v rámci projektu SGS13/161/OHK4/2T/17 a CZ.1.07/2.2.00/28.0219.

Accepted: September 15, 2014; Published: December 1, 2014  Show citation

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Hudzietzová J, Fülöp M, Sabol J, Doležal J. The radiation exposure of workers' hands during the preparation and administration of radiopharmaceuticals labelled with a radionuclide 18F. Ces radiol. 2014;68(4):318-322.
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