Toggle Main Menu Toggle Search

Open Access padlockePrints

Risk of cerebrovascular disease incidence in the cohort of Mayak production association workers first employed during 1948-1958 [Article in Russian]

Lookup NU author(s): Dr Colin Muirhead


Full text for this publication is not currently held within this repository. Alternative links are provided below where available.


Incidence of cerebrovascular diseases (CVD) has been studied in a cohort of 12210 workers first employed at one of the main plants (reactors, radiochemical or plutonium) of the Mayak nuclear facility during 1948-1958 and followed up to the end of 2000. Information on external gamma doses is available for virtually all (99.9%) of these workers; the mean (+/- one standard deviation) total gamma dose was 0.91 +/- 0.95 Gy (99% percentile 3.9 Gy) for men and 0.65 +/- 0.75 Gy (99% percentile 2.99 Gy) for women. Plutonium body burden was measured only for 30.0% of workers. Amongst those monitored, the mean (+/- standard deviation) cumulative liver dose from plutonium alpha exposure was 0.40 +/- 1.15 Gy (99% percentile 5.88 Gy) for men and 0.81 +/- 4.60 Gy (99% percentile 15.95 Gy) for women 4418 cases (first diagnosis) of CVD were identified in the studied cohort. A statistically significant increasing trend in CVD incidence with total external gamma dose was revealed after adjustment for non-radiation factors and internal exposure from incorporated plutonium-239. Excess relative risk per Gy was 0.464 (95% confidence interval 0.360-0.567). Incidence of CVD was statistically significantly higher for the workers chronically exposed to external gamma rays at a dose above 1.0 Gy A statistically significant increasing trend in CVD incidence with internal liver dose from plutonium alpha exposure was observed after adjustment for non-radiation factors and external exposure. ERR per Gy was 0.155 (95% confidence interval 0.075-0.235). CVD incidence was statistically significantly higher among workers with a plutonium liver dose above 0.1 Gy, although the trend estimates differed between workers at different plants. The incidence risk estimates for external radiation are generally compatible with estimates from the study of Chernobyl clean-up workers, although the incidence data point to higher risk estimates compared to those from the Japanese A-bomb survivors.

Publication metadata

Author(s): Moseeva MB, Azizova TV, Muirhead CR, Grigor'eva ES, Vlasenko EV, Sumina MV, O'Hagan JA, Zhang W, Haylock RGE, Hunter N

Publication type: Article

Publication status: Published

Journal: Radiatsionnaya Biologiya, Radioekologiya

Year: 2012

Volume: 52

Issue: 2

Pages: 149-57

Print publication date: 01/03/2012

ISSN (print): 0869-8031

Publisher: Izdatel'stvo Nauka