Effect of full versus open-palm hand shielding on worker radiation dose during manual restraint for small animal radiography
2019
Mayer, M. N. | Koehncke, N. K. | Sidhu, N. | Gallagher, T. | Waldner, C. L.
Open-palm hand shields are used by veterinary workers during manual restraint for small animal radiography. The objective of this study was to measure the reduction in scatter and primary beam radiation dose to the hand provided by a full glove and an open-palm shield, using a cadaver dog to simulate restraint by 2 workers of an awake, cooperative patient undergoing thoracic and abdominal radiography. Dose was measured for 30 exposures for each condition, for a total of 795 exposures. The mean percentage decrease in scatter radiation dose was 99.9% for a full glove and 40% for an open-palm shield. The mean percentage decrease in primary beam radiation dose was 98.4% for a full glove. To optimize worker protection, fully enclosing gloves should be used during manual restraint for radiography, and body parts should never be placed in the primary beam, even when shielded.
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