Cerebrovascular Diseases in Workers at Mayak PA: The Difference in Radiation Risk Between Incidence and Mortality

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2015 May 2

PMID 25933038

Citations 13

Authors

Cristoforo Simonetto

Helmut Schollnberger

Tamara V Azizova

Evgenia S Grigoryeva

Maria V Pikulina

Markus Eidemuller

Affiliations

Soon will be listed here.

Abstract

A detailed analysis of cerebrovascular diseases (CeVD) for the cohort of workers at Mayak Production Association (PA) is presented. This cohort is especially suitable for the analysis of radiation induced circulatory diseases, due to the detailed medical surveillance and information on several risk factors. The risk after external, typically protracted, gamma exposure is analysed, accounting for potential additional internal alpha exposure. Three different endpoints have been investigated: incidence and mortality from all cerebrovascular diseases and incidence of stroke. Particular emphasis was given to the form of the dose-response relationship and the time dependence of the radiation induced risk. Young attained age was observed to be an important, aggravating modifier of radiation risk for incidence of CeVD and stroke. For incidence of CeVD, our analysis supports a dose response sub-linear for low doses. Finally, the excess relative risk per dose was confirmed to be significantly higher for incidence of CeVD compared to CeVD mortality and incidence of stroke. Arguments are presented for this difference to be based on a true biological effect.

Citing Articles

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Low- and moderate-dose non-cancer effects of ionizing radiation in directly exposed individuals, especially circulatory and ocular diseases: a review of the epidemiology.

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