Eye Lens Exposure to Medical Staff Performing Electrophysiology Procedures: Dose Assessment and Correlation to Patient Dose

Ciraj-Bjelac, Olivera; Antić, Vojislav; Selakovic, Jovana; Bozovic, Predrag; Arandjic, Danijela; Pavlović, Smiljana

doi:10.1093/rpd/ncv552

Cited by 9 publications

(4 citation statements)

References 28 publications

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“…Previous studies assessing lens dose from older CT technologies such as Somatom Plus 4 CTscanner (Siemens Medical Systems) and CT/i; (GE Medical Systems) used quantities such as dose rates, dose equivalent, and entrance surface dose to quantify lens dose. Lens doses reported from these systems ranged from 0.17 mSv to 0.762 mSv [28,29], with dose rates ranging from 2.3 to 10.4 mGy/sec [7]. Lens doses without lead glasses reported from seven interventional radiology fluoroscopic systems ranged from 0.006 mSv to 0.0345 mSv [19].…”

Section: Resultsmentioning

confidence: 99%

Operator eye doses during computed tomography fluoroscopic lung biopsy

et al. 2016

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The aim of this work was to examine the peak entrance surface air kerma (peak ESAK) to the eyes during CT fluoroscopy lung biopsy, and the impact of lead glasses, exposure parameters, head rotation, and height on peak ESAK to the eyes. Two phantoms simulating the patient and radiologist were used, and 108 exposures were made using a 16-slice Toshiba Alexion CT scanner (Toshiba Medical Systems, Nasu, Japan). ESAK to the phantom radiologist's right eye was measured using an Unfors Xi dosimeter (RaySafe, Billdal, Sweden) with and without lead glasses at two kilovoltages (120 kVp and 135 kVp) and three milliampere settings (10 mA, 20 mA, and 30 mA. A paired t test was used to compare peak ESAK to the eye at different angles, heights, and kVp and mA with and without lead glasses. Peak ESAK was higher without compared to with lead glasses (p ⩽ 0.001). The peak ESAK to the eyes increased as the phantom radiologist rotated toward the gantry without lead glasses, from 2.42 μGy at 120° to 10.54 μGy at 30° (p = 0.001). No significant difference was noted in peak ESAK with change in phantom radiologist height (p > 0.05). An increase from 120 kVp to 135 kVp resulted in 23% and 26% increases in peak ESAK with and without lead glasses respectively (p = 0.001). An increase of tube current from 10 mA to 20 mA almost doubled peak ESAK (p = 0.005). Findings demonstrate that lead glasses reduce ESAK to the eyes, and that increased kVp, mA, and eye rotation to the gantry increase ESAK to the eyes.

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Section: Resultsmentioning

confidence: 99%

Operator eye doses during computed tomography fluoroscopic lung biopsy

et al. 2016

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“…A number of European nations were involved in investigations through the ORAMED project, results from which were described in a comprehensive report (Vanhavere et al 2012). Other European centres have aimed to establish links between eye doses and patient exposure levels (Antic et al 2013, Ciraj-Bjelac et al 2016. Extensive studies of exposure of interventional staff have also been undertaken in the Far East (Yokoyama et al 2017a, 2017b, 2019, Suzuki et al 2018, Kato et al 2019, South America (Leyton et al 2014, Khoury et al 2015 and Australasia (Mclean et al 2016), including comparisons between results from dosemeters worn at the collar and adjacent to the eye (Haga et al 2017).…”

Section: Q2mentioning

confidence: 99%

Report of IRPA task group on issues and actions taken in response to the change in eye lens dose limit

et al. 2020

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In 2018, the International Radiation Protection Association (IRPA) established its third task group (TG) on the implementation of the eye lens dose limit. To contribute to sharing experience and raising awareness within the radiation protection community about protection of workers in exposure of the lens of the eye, the TG conducted a questionnaire survey and analysed the responses. This paper provides an overview of the results of the questionnaire.

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“…One study demonstrates a 79% prevalence of PSC in occupationally exposed staff, contrasting to the 7.1% in an unexposed group 20 . The importance of investigating the occupational dose to the eye is needed not only to quantify dose levels but also to raise awareness and promote better radiation protection 21 .…”

Section: Introductionmentioning

confidence: 99%

A comparison of patient dose and occupational eye dose to the operator and nursing staff during transcatheter cardiac and endovascular procedures

Wilson‐Stewart

Fontanarosa

Malacova

et al. 2023

Sci Rep

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The number and complexity of transcatheter procedures continue to increase, raising concerns regarding radiation exposure to patients and staff. Procedures such as transaortic valve implantations (TAVI) have led to cardiologists adopting higher dose techniques, such as digital subtraction angiography (DSA). This study compared the estimated patient and occupational eye dose during coronary angiography (CA), percutaneous coronary intervention (PCI), TAVI workups (TWU), TAVI, endovascular aneurysm repairs (EVAR), and other peripheral diagnostic (VD) and interventional (VI) vascular procedures. A quantitative analysis was performed on patient dose during 299 endovascular and 1498 cardiac procedures. Occupational dose was measured for the cardiologists (n = 24), vascular surgeons (n = 3), scrub (n = 32) and circulator nurses (n = 35). TAVI and EVAR were associated with the highest average dose for all staff, and significantly higher patient dose area product, probably attributable to the use of DSA. Scrub nurses were exposed to higher average doses than the operator and scout nurse during CA, VD and VI. Circulating nurses had the highest average levels of exposure during TAVI. This study has demonstrated that EVAR and TAVI have similar levels of occupational and patient dose, with a notable increase in circulator dose during TAVI. The use of DSA during cardiac procedures is associated with an increase in patient and staff dose, and cardiologists should evaluate whether DSA is necessary. Scrub nurses may be exposed to higher levels of occupational dose than the operator.

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Eye Lens Exposure to Medical Staff Performing Electrophysiology Procedures: Dose Assessment and Correlation to Patient Dose

Cited by 9 publications

References 28 publications

Operator eye doses during computed tomography fluoroscopic lung biopsy

Operator eye doses during computed tomography fluoroscopic lung biopsy

Report of IRPA task group on issues and actions taken in response to the change in eye lens dose limit

A comparison of patient dose and occupational eye dose to the operator and nursing staff during transcatheter cardiac and endovascular procedures

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