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Low doses of ionizing radiation and circulatory diseases: A systematic review of the published epidemiological evidence

机译：低剂量的电离辐射和循环系统疾病：流行病学证据的系统综述

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Recent analyses of mortality among atomic bomb survivors have suggested a linear dose-response relationship between ionizing radiation and diseases of the circulatory system for exposures in the range 0-4 Sv. If confirmed, this has substantial implications. We have therefore reviewed the published literature to see if other epidemiological data support this finding. Other studies allowing a comparison of the rates of circulatory disease in individuals drawn from the same population but exposed to ionizing radiation at different levels within the range 0-5 Gy or 0-5 Sv were identified through systematic literature searches. Twenty-six studies were identified. In some, disease rates among those exposed at different levels may have differed for reasons unrelated to radiation exposure, while many had low power to detect effects of the relevant magnitude. Among the remainder, one study found appreciable evidence that exposure to low-dose radiation was associated with circulatory diseases, but five others, all with appreciable power, did not. We conclude that the other epidemiological data do not at present provide clear evidence of a risk of circulatory diseases at doses of ionizing radiation in the range 0-4 Sv, as suggested by the atomic bomb survivors. Further evidence is needed to characterize the possible risk. (C) 2005 by Radiation Research Society.
机译：最近对原子弹幸存者死亡率的分析表明，在0-4 Sv范围内，电离辐射与循环系统疾病之间呈线性剂量反应关系。如果得到证实，这将具有重大意义。因此，我们回顾了已发表的文献，以查看其他流行病学数据是否支持这一发现。通过系统的文献检索，发现了其他一些研究，可以比较从同一人群中抽取但暴露于0-5 Gy或0-5 Sv范围内不同水平的电离辐射的个体中循环系统疾病的发生率。确定了26项研究。在某些情况下，由于与辐射暴露无关的原因，暴露于不同水平的人群中的疾病发生率可能有所不同，而许多人却无法检测到相关强度的影响。在其余的研究中，一项研究发现大量证据表明，暴露于低剂量辐射与循环系统疾病有关，而其他五项均具有明显的能力则与之无关。我们得出结论，如原子弹幸存者所建议的那样，其他流行病学数据目前尚不能提供明显证据，证明电离辐射剂量在0-4 Sv范围内有循环系统疾病的风险。需要进一步的证据来描述可能的风险。 （C）2005年，辐射研究学会。

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