Little, M.P.* ; Azizova, T.V.* ; Bazyka, D.* ; Bouffler, S.D.* ; Cardis, E.* ; Chekin, S.* ; Chumak, V.V.* ; Cucinotta, F.A.* ; de Vathaire, F.* ; Hall, P.* ; Harrison, J.D.* ; Hildebrandt, G.* ; Ivanov, V.* ; Kashcheev, V.V.* ; Klymenko, S.V.* ; Kreuzer, M.* ; Laurent, O.* ; Ozasa, K.* ; Schneider, T.* ; Tapio, S. ; Taylor, A.M.* ; Tzoulaki, I.* ; Vandoolaeghe, W.L.* ; Wakeford, R.* ; Zablotska, L.B.* ; Zhang, W.* ; Lipshultz, S.E.*
Systematic review and meta-analysis of circulatory disease from exposure to low-level ionizing radiation and estimates of potential population mortality risks.
Environ. Health Perspect. 120, 1503-1511 (2012)
Background: Although high doses of ionizing radiation have long been linked to circulatory disease, evidence for an association at lower exposures remains controversial. However, recent analyses suggest excess relative risks at occupational exposure levels.Objectives: We performed a systematic review and meta-analysis to summarize information on circulatory disease risks associated with moderate- and low-level whole-body ionizing radiation exposures.Methods: We conducted PubMed/ISI Thomson searches of peer-reviewed papers published since 1990 using the terms "radiation" AND "heart" AND "disease," OR "radiation" AND "stroke," OR "radiation" AND "circulatory" AND "disease." Radiation exposures had to be whole-body, with a cumulative mean dose of < 0.5 Sv, or at a low dose rate (< 10 mSv/day). We estimated population risks of circulatory disease from low-level radiation exposure using excess relative risk estimates from this meta-analysis and current mortality rates for nine major developed countries.Results: Estimated excess population risks for all circulatory diseases combined ranged from 2.5%/Sv [95% confidence interval (CI): 0.8, 4.2] for France to 8.5%/Sv (95% CI: 4.0, 13.0) for Russia.Conclusions: Our review supports an association between circulatory disease mortality and low and moderate doses of ionizing radiation. Our analysis was limited by heterogeneity among studies (particularly for noncardiac end points), the possibility of uncontrolled confounding in some occupational groups by lifestyle factors, and higher dose groups (> 0.5 Sv) generally driving the observed trends. If confirmed, our findings suggest that overall radiation-related mortality is about twice that currently estimated based on estimates for cancer end points alone (which range from 4.2% to 5.6%/Sv for these populations).
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Publication type
Article: Journal article
Document type
Review
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Keywords
cancer; circulatory disease; heart disease; radiation; stroke; ATOMIC-BOMB SURVIVORS; CORONARY-HEART-DISEASE; POWER INDUSTRY WORKERS; NUCLEAR-FUELS PLC; LOW-DOSE EXPOSURE; CARDIOVASCULAR-DISEASE; EPIDEMIOLOGIC EVIDENCE; MAYAK PA; CANCER; COHORT
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Language
english
Publication Year
2012
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2012
ISSN (print) / ISBN
0091-6765
e-ISSN
1552-9924
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Volume: 120,
Issue: 11,
Pages: 1503-1511
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Research Triangle Park
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NC [u.a.]
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Peer reviewed
POF-Topic(s)
30202 - Environmental Health
Research field(s)
Radiation Sciences
PSP Element(s)
G-500200-001
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Erfassungsdatum
2012-11-09