Evaluating Eye Lens Dose of Neurovascular and Cardiac Electrophysiology Interventional Physician

Kato, Mamoru; Chida, Koichi; Ishida, Takato; Sasaki, Fumio; Toyoshima, Hideto; Osaka, Hajime; Kinoshita, Toshibumi

doi:10.6009/jjrt.2020_jsrt_76.1.26

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…Although dose limits for occupational exposure in Japan (Table 3) incorporate ICRP Publication 60 (1990 Recommendations), 19,24 the equivalent dose limit for eye lenses has been drastically reduced from 150 mSv/year to 100 mSv/5 years and 50 mSv/year, based on ICRP Publication 118 (2012 Recommendations), from April 2021, and thus measurement of radiation dose and protection of lenses has become more important. 25 All exposures to the public, excepting occupational and medical exposures, are considered as public exposure, including radiation exposures to embryos and fetuses of pregnant female workers. In order to achieve the objectives of radiation protection, ICRP Publication 103 (2007 Recommendations) lists the following 3 objectives of radiation protection (Table 4).…”

Section: ▋ 22 Medical and Occupational Exposurementioning

confidence: 99%

JCS 2021 Guideline on Radiation Safety in Cardiology

Kozuma

Chikamori

Hashimoto

et al. 2022

Circ J

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Section: ▋ 22 Medical and Occupational Exposurementioning

confidence: 99%

JCS 2021 Guideline on Radiation Safety in Cardiology

Kozuma

Chikamori

Hashimoto

et al. 2022

Circ J

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Effect of Protective Eyewear on Physicians’ Lens Exposure during Fluoroscopy

Hitomi,

Takashi,

Reiko

2024

Health Physics

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The ICRP 2011 Seoul Statement recommended a reduction in the dose limit for lens exposure to 100 mSv for 5 y and 50 mSv for 1 y. Based on this recommendation, the dose limit for lens exposure was lowered in Japan with the revision of the Ionization Regulations, which took effect in April 2021. In the present study, lens doses were measured during fluoroscopic procedures performed in four departments (Urology, Pediatrics, Gastroenterology, and Orthopedics). Lens doses were measured without protective eyewear for 6 mo (pre-intervention) and then with protective eyewear for the next 6 mo (post-intervention). Monthly doses were collected and lens doses before and after the use of protective eyewear were calculated as the lens dose per unit time. The use of protective eyewear reduced the lens dose per unit time by approximately two thirds. In all departments, the lens dose was slightly lower after than before the intervention. A significant difference was observed in lens doses between the pre- and post-intervention periods in the Urology department. The present results demonstrated the effectiveness of protective eyewear in daily practice. Therefore, the use of protective eyewear is recommended during fluoroscopic procedures.

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53rd Annual Meeting of Japan Health Physics Society: Symposium for Radiation Protection of the Lens of the Eye (Webinar)

Yokoyama

Ohno

Natsume

et al. 2020

Jpn. J. Health Phys.

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In 2011, for occupational exposure in planned exposure situations, the International Commission on Radiological Protection years, with no single year exceeding 50 mSv. Japanese regulatory authorities started discussions on the dose limit to the lens in 2017. In April 2021, new regulations related to the dose limit to the lens will take effect. Employers should comply new related regulations and optimize radiation protection. On June 30, 2020, the second day of the 53rd Annual Meeting of the Japan Health Physics Society (Web conference), the live symposium entitled "Symposium for Radiation Protection of the Lens of the Eye (Webinar)" was held. In this symposium, new guidelines for the lens dose monitoring and for the safety management of medical staff were introduced. In addition, the current status and issues in the nuclear, medical and individual monitoring fields were reported and discussed. In this paper, we reconsidered the presentations of this symposium and discussed radiation protection on the lens of the eye in the future.

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Evaluating Eye Lens Dose of Neurovascular and Cardiac Electrophysiology Interventional Physician

Cited by 3 publications

References 19 publications

JCS 2021 Guideline on Radiation Safety in Cardiology

JCS 2021 Guideline on Radiation Safety in Cardiology

Effect of Protective Eyewear on Physicians’ Lens Exposure during Fluoroscopy

53rd Annual Meeting of Japan Health Physics Society: Symposium for Radiation Protection of the Lens of the Eye (Webinar)

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