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首页> 外文期刊>Environmental Geochemistry and Health >Potential Health Impacts Of Heavy-metal Exposure At The Tar Creek Superfund Site, Ottawa County, Oklahoma
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Potential Health Impacts Of Heavy-metal Exposure At The Tar Creek Superfund Site, Ottawa County, Oklahoma

机译：俄克拉荷马州渥太华县Tar Creek超级基金场址中重金属暴露的潜在健康影响

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The potential impact of exposure to heavy metals and health problems was evaluated at the Tar Creek Superfund site, Ottawa County, Oklahoma, USA. Observed versus expected mortality was calculated for selected conditions in the County and exposed cities. Excess mortality was found for stroke and heart disease when comparing the exposed County to the state but not when comparing the exposed cities to the nonexposed rest of the County. However, sample sizes in the exposed area were small, population emigration has been ongoing, and geographic coding of mortality data was incomplete. In an exposed community, 62.5% of children under the age of 6 years had blood lead levels exceeding 10 μg/dl. The relationships between heavy-metal exposure and children's health and chronic disease in adults are suggestive that a more thorough investigation might be warranted. A number of possible environmental and health studies are suggested, including those focusing on possible central nervous system impacts. Unfortunately, the exposed population is dispersing. One lesson learned at this site is that health studies need to be conducted as soon as possible after an environmental problem is identified to both study the impact of the most acute exposures and to maximize study sample size-including those exposed to higher doses-and minimize the loss of individuals to follow-up.
机译：在美国俄克拉荷马州渥太华县的Tar Creek超级基金站点评估了暴露于重金属和健康问题的潜在影响。计算了县和暴露城市中选定条件下的观察死亡率与预期死亡率。将暴露的县与州进行比较时发现中风和心脏病的死亡率过高，而将暴露的城市与县的未暴露的其余部分进行比较时则未发现过高的死亡率。但是，暴露区域的样本量很小，人口不断迁移，并且死亡率数据的地理编码不完整。在一个裸露的社区中，62.5％的6岁以下儿童的血铅水平超过10μg/ dl。重金属暴露与成人儿童健康和慢性病之间的关系提示可能需要进行更彻底的调查。建议进行许多可能的环境和健康研究，包括那些侧重于中枢神经系统影响的研究。不幸的是，暴露人群正在分散。在该站点上吸取的教训是，在发现环境问题后需要尽快进行健康研究，以研究最急性暴露的影响并最大程度地扩大研究样本量（包括那些暴露于较高剂量的样本）并尽量减少失去个人进行跟进。

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