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首页> 外文期刊>Occupational and environmental medicine >Mortality from myocardial infarction in relation to exposure to vibration and dust among a cohort of iron-ore miners in Sweden.
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Mortality from myocardial infarction in relation to exposure to vibration and dust among a cohort of iron-ore miners in Sweden.

机译：瑞典一群铁矿工中因暴露于振动和粉尘而导致的心肌梗死死亡率。

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OBJECTIVES: The aim of this study was to investigate myocardial infarction (MI) mortality in relation to exposure to hand/arm vibration (HAV) and whole body vibration (WBV) as well as exposure to dust among men employed in two Swedish iron-ore mines. METHODS: This study comprised employed men at two iron-ore mines in Sweden who had been employed for at least 1 year from 1923 up to 1996. The causes of death were obtained from the national cause of death register from 1952 to 2001. Myocardial infarction mortality was obtained by linking personal identification numbers to the national cause of death register. Poisson regression was used for risk estimations on exposure-response relation, and analyses were made on the two age groups < or =60 years and >60 years. RESULTS: Relative risks for MI mortality in relation to exposure were significantly increased for exposure (0/>0) to WBV (RR 1.18, 95% CI 1.06 to 1.31) and dust (RR 1.15, 95% CI 1.02 to 1.31), and the results indicated an exposure-response relation for WBV and dust separately. For 60 years and younger, exposure to HAV (0/>0) (RR 1.34, 95% CI 1.03 to 1.74) and WBV (0/>0) (RR 1.39, 95% CI 1.13 to 1.72) increased the risk of MI mortality. An exposure-response was found for HAV and WBV, as the medium and high exposed categories showed significantly increased risk estimates. None of the exposures significantly increased the risk in the group above 60 years. The increased risk estimates for exposure to WBV remained when adjusting for exposure to dust. CONCLUSIONS: The results for the working age (< or =60 years) group showed significantly increased MI mortality for univariate exposure to HAV, WBV and dust. We found an association between increased mortality from MI and occupational exposure to WBV, and the risk remained after adjustment for dust exposure.
机译：目的：本研究的目的是调查两名瑞典铁矿工人中与手/手臂振动（HAV）和全身振动（WBV）以及粉尘接触相关的心肌梗塞（MI）死亡率地雷。方法：该研究包括瑞典两个铁矿山的受雇人员，这些受雇人员从1923年至1996年至少受雇一年。死亡原因是从1952年至2001年的国家死亡原因登记表中获得的。心肌梗塞死亡率是通过将个人识别码与国家死亡原因登记表链接起来获得的。 Poisson回归用于风险-暴露-反应关系的风险评估，并对<或= 60岁和> 60岁这两个年龄组进行了分析。结果：WBV（RR 1.18，95％CI 1.06 to 1.31）和粉尘（RR 1.15，95％CI 1.02 to 1.31）（0 /> 0）和尘埃（RR 1.15，95％CI 1.02至1.31）显着增加了与MI有关的相对死亡风险。结果表明WBV和粉尘分别具有暴露-响应关系。在60岁以下的人群中，接触HAV（0 /> 0）（RR 1.34，95％CI 1.03至1.74）和WBV（0 /> 0）（RR 1.39，95％CI 1.13至1.72）增加了患MI的风险死亡。由于中，高暴露类别显示出明显增加的风险估计，因此发现了HAV和WBV的暴露响应。在60岁以上的人群中，没有一次暴露会显着增加风险。调整灰尘接触量后，仍增加了对WBV接触风险的估算。结论：工作年龄（<或= 60岁）组的结果显示，单变量暴露于HAV，WBV和粉尘的MI死亡率显着增加。我们发现心肌梗死死亡率增加和职业接触WBV之间存在关联，并且在调整粉尘接触后仍存在风险。

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