Radiation Dose Assessment of the Fog Lead Acrylic Shields during Coronary Angiography: A Phantom Study
| Autor: | Cheng-Shih Lai, Chien-Yi Ting, Hsin-Hon Lin, Kuo-Ting Tang, Lu-Han Lai |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
angiocardiography
Technology Fogging genetic structures Optically stimulated luminescence QH301-705.5 QC1-999 Shields Imaging phantom law.invention law Medicine General Materials Science Biology (General) fog lead screen QD1-999 Instrumentation Fluid Flow and Transfer Processes Dosimeter clear lead screen business.industry Physics Process Chemistry and Technology General Engineering Image intensifier Engineering (General). Civil engineering (General) Computer Science Applications Chemistry Lead glass visual_art visual_art.visual_art_medium TA1-2040 Radiation protection business Nuclear medicine radiation protection |
| Zdroj: | Applied Sciences, Vol 11, Iss 10743, p 10743 (2021) Applied Sciences Volume 11 Issue 22 |
| ISSN: | 2076-3417 |
| DOI: | 10.3390/app112210743 |
| Popis: | This study aimed to evaluate the effects of fogging on the effectiveness of a lead glass shield in protecting an operator from radiation exposure during conventional coronary angiography (CAG). Optically stimulated luminescence dosimeters (OSLDs) were used to measure the effects of fogged lead glass shields (FLSs) and clear lead glass shields (CLSs) on the radiation doses of a cardiac catheterization surgeon. We simulated the scatter radiation incident on the operator with five angiographic projections with 10-s exposures. Experiments were conducted with a field of view of 25 cm, maximum of 100 cm between the X-ray tube and image intensifier, and 80 cm between the image intensifier and operator. Lead glass fogging had no significant effect at any angiographic projection. The average dose at the lens of the eye, thyroid glands, and gonads did not differ significantly between FLS and CLS. Although most surgeons view ceiling-suspended shields as hindrances during surgical procedures, the radiation dose at the operator’s eyes and thyroid glands increased by 13 and 10 times without the shield. The fogging of the shield is probably caused by post-surgery UV decontamination or detergents. An operator has no cause for concern regarding the radiation protection afforded by an FLS during CAG procedures. |
| Databáze: | OpenAIRE |
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