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Effect of radiation attenuating gloves in reducing exposures in a clinical nuclear medicine department

¹ Nuclear Medicine, Northwestern Memorial, Chicago, Illinois

2004

Objectives: All Tc-99m radiopharmaceutical kits are prepared in our nuclear pharmacy utilizing 2 weekly Mo-99 generators(7.5 Curies). Rotating nuclear medicine technologists with a rotation of 1 to 2 weeks per month are involved in the preparation of radiopharmaceutical kits. Over the last several years we have noted that extremity radiation has been increasing and exceeding 30% of the maximum permissible extremity dose(MPED). In order to reduce extremity exposure, we investigated the use of radiation attenuating gloves(Biodex Nuclear).

Methods: Nuclear medicine technologists wore radiation attenuating lead gloves(0.178 mm thick)while preparing all Tc-99m radiopharmaceutical kits during rotation in the nuclear pharmacy. Radiation exposure levels to hands were measured on the ring fingers inside gloves using thermoluminescent (TLD)ring badges (Landauer Inc.)At monthly intervals, badges were removed and sent to Landauer for radiation exposure readings.All readings were corrected for background.

Results: Radiation exposures to extremities inside the gloves were reduced in the four rotating technologists from 37% to 9%, 23% to 8%, 17% to 13%, and 17% to 16% of MPED respectively. As a result of wearing radiation attenuating gloves, radiation levels were reduced by a mean of 42%, with a range of 6% to 76%. Radiation attenuating gloves were easy to wear during manipulation and handling procedures. No significant increase in Tc-99m radiopharmaceutical preparation time was noted.

Conclusions: Reduction in occupational radiation dose levels is an important consideration in the overall ALARA program. By using radiation attenuating gloves, a significant reduction with a mean of 42% in radiation exposure to extremities was noted with minimal effects on dose preparation time, dose handling, and technologist comfort.

This Article Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Google Scholar Articles by Cutrera, P. Articles by Spies, S. PubMed Articles by Cutrera, P. Articles by Spies, S.