A multicenter study of radiation doses to the eye lenses of medical staff performing non-vascular imaging and interventional radiology procedures in Japan |
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| Institution: | 1. Department of Quantum Medical Technology, Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Ishikawa 920-0942, Japan;2. Department of Radiological Technology, Faculty of Medical Science and Technology, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, Okayama 701-0193, Japan;3. Department of Radiology, Japan Community Health Care Organization Hokkaido Hospital, 1-8-3-18 Nakanoshima, Toyohira, Sapporo, Hokkaido 062-8618, Japan;4. Department of Nuclear Power Disaster Prevention & Risk Management, Research Institute of Nuclear Engineering, University of Fukui, 1-3-33 Kanawa, Tsuruga, Fukui 914-0055, Japan;5. Nagase Landauer Ltd., C22-1 Suwa, Tsukuba, Ibaraki 300-2686, Japan;6. Radiology Division, Kanazawa University Hospital, 13-1 Takaramachi, Kanazawa, Ishikawa 920-8641, Japan;7. Department of Radiological Technology, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita, Chiba 286-0124, Japan;8. Department of Radiology, Daido Hospital, 9 Hakkusuicho, Minami, Nagoya, Aichi 457-8511, Japan;9. Human Resources Development Center, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan;1. President of the European Federation of Organisations for Medical Physics; Head of Medical Physics Department, University Hospital Maggiore della Carità, Novara, Italy;2. Consulting Professor in the Department of Radiology, Lucille Packard Children’s Hospital at Stanford, Stanford, California;3. Director, Global Outreach for Radiation Protection; Program Chair, Radiation Safety Committee, Massachusetts General Hospital, Boston, Massachusetts;1. Interventional Radiology, Radiology Department, Great Ormond Street Hospital, Great Ormond Street, London, WC1N 3JH, United Kingdom;2. Specialist Neonatal and Paediatric Surgery Department, Great Ormond Street Hospital, Great Ormond Street, London, WC1N 3JH, United Kingdom;3. Bilddiagnostik, Paediatric Interventional Radiology, University Children’s Hospital, Steinwiesstrasse 75, CH-8032, Zürich, Switzerland;1. Azienda Usl Toscana Centro, Medical Physics Unit Pistoia Prato, Italy;2. Azienda Ospedaliero-Universitaria Careggi, Medical Physics Unit, Firenze, Italy;3. Università degli Studi di Firenze, Dipartimento di Fisica e Astronomia, Sesto Fiorentino, Firenze, Italy;4. Azienda Usl Toscana Sud-Est, Medical Physics Unit, Arezzo, Italy;5. INFN, Sezione di Firenze, Sesto Fiorentino, Italy;6. Azienda Usl Toscana Nord-Ovest, Medical Physics Unit, Lucca, Italy;7. Azienza USL Toscana Centro, Cardiology Unit, Pistoia, Italy;1. Institut für Diagnostische und Interventionelle Radiologie, Helios Klinikum Krefeld, Lutherplatz 40, 47805 Krefeld, Germany;2. Klinik für Urologie und Kinderurologie, Helios Klinikum Krefeld, Lutherplatz 40, 47805 Krefeld, Germany;1. Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland;2. Independent consultant, Weddington, North Carolina;3. Departments of Radiology and Medicine, Columbia University Medical Center, New York, New York |
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| Abstract: | PurposeThis study aimed to measure the eye lens doses received by physicians and other medical staff participating in non-vascular imaging and interventional radiology procedures in Japan.Material and methodsFrom October 2014 to March 2017, 34 physicians and 29 other medical staff engaged in non-vascular imaging and interventional radiology procedures at 18 Japanese medical facilities. These professionals wore radioprotective lead glasses equipped with small, optically stimulated luminescence dosimeters and additional personal dosimeters at the neck during a 1-month monitoring period. The Hp(3) and the Hp(10) and Hp(0.07) were obtained from these devices, respectively. The monthly Hp(3), Hp(10), and Hp(0.07) for each physician and other medical staff member were then rescaled to a 12-month period to enable comparisons with the revised occupational equivalent dose limit for the eye lens.ResultsAmong physicians, the average annual Hp(3) values measured by the small luminescence dosimeters on radioprotective glasses were 25.5 ± 38.3 mSv/y (range: 0.4–166.8 mSv/y) and 9.3 ± 16.6 mSv/y (range: 0.3–82.4 mSv/y) on the left and right sides, respectively. The corresponding values for other medical staff were 3.7 ± 3.1 mSv/y (range: 0.4–10.4 mSv/y) and 3.2 ± 2.7 mSv/y (range: 0.5–11.5 mSv/y), respectively.ConclusionsThe eye lens doses incurred by physicians and other medical staff who engaged in non-vascular imaging and interventional radiology procedures in Japan were provided. Physicians should wear radioprotective glasses and use additional radioprotective devices to reduce the amount of eye lens doses they receive. |
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| Keywords: | Radiation protection Occupational exposure Eye lens Non-vascular procedure |
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