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• W3203743422 abstract "Long-term radiation exposure from fluoroscopically guided interventions (FGIs) can cause cataracts and brain tumors in the operator. We have demonstrated that leaded eyewear does not decrease the operator eye dose unless lead shielding is added to the inferior portion. Therefore, we developed a disposable, lightweight, lead-equivalent shield that can be attached to the operator's eyewear, conforming around the face and adhering to the surgical mask. We evaluated the efficacy of our new prototype in lowering the operator brain and eye dose when added to both leaded and nonleaded eyewear. The attenuating efficacy of leaded eyewear alone, leaded eyewear plus the prototype, and nonleaded eyewear plus the prototype were compared to no eyewear protection in both a simulated setting and clinical practice. In the simulation, optically stimulated, luminescent nanoDot detectors (Landauer, Glenwood, Ill) were placed inside the ocular, temporal lobe, and midbrain spaces of a head phantom (ATOM model 701; CIRS, Norfolk, Va) and at the surface of the left eye within and outside the eyewear. The phantom was positioned to represent a primary operator. Fluorography was performed on a plastic scatter phantom at 80 kVp for an exposure of 3 Gy reference air kerma. In the clinical setting, nanoDots were placed below the operator's eyes, both inside and outside the prototype, during FGIs. The mean ± standard error was calculated using a pooled linear mixed model with repeated measurements. Wearing standard leaded eyewear alone did not decrease the operator's ocular or brain dose. In the phantom experiment, the prototype plus leaded glasses reduced the dose to the lens, temporal lobe, and midbrain by 83% (P < .001), 78% (P < .001), and 75% (P < .001), respectively. The prototype plus nonleaded glasses reduced the dose to the lens, temporal lobe, and midbrain by 85% (P < .001), 81% (P < .001), and 71% (P < .001), respectively (Fig). In the clinical setting, 15 FGIs were included, with a mean reference air kerma of 213 mGy. The mean operator eye dose outside the prototype was 249.3 μSv compared with 39.4 μSv inside, for an average dose reduction of 89% (P < .001). Attaching the prototype to both leaded and nonleaded glasses significantly decreased the eye and brain radiation dose to the operator. This face shield attachment provides meaningful radiation protection and should be considered as either a replacement or adjunct to routine leaded eyewear." @default.
• W3203743422 created "2021-10-11" @default.
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• W3203743422 date "2021-10-01" @default.
• W3203743422 modified "2023-09-25" @default.
• W3203743422 title "Disposable Lightweight Shield Attached to Leaded or Nonleaded Glasses Decreases Operator Eye and Brain Radiation Dose During Fluoroscopically Guided Interventions" @default.
• W3203743422 doi "https://doi.org/10.1016/j.jvs.2021.07.216" @default.
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