阿肯石棉监测计划 (ASPA):在暴露于石棉的电力工业工人中癌症死亡率
Nelly Otte1, Ellen Fraune1, Yildiz Cetiner1
1Institute of Occupational, Social and Environmental Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany.
Lung cancer (Amsterdam, Netherlands)
|August 7, 2024
概括
累积的石棉剂量,而不是持续时间,预测了间皮瘤死亡风险. 高,短时间的暴露特别危险. 间皮瘤和肺癌的死亡发生在暴露几十年后,主要发生在64-82岁之间.
科学领域:
- 职业健康 职业健康 职业健康
- 流行病学 流行病学
- 环境医学 环境医学
背景情况:
- 与石棉相关的疾病有很长的潜伏期.
- 石棉监测计划监测了8565名电力工业工人,他们过去曾接触过石棉.
- 早期发现与石棉有关的疾病至关重要.
研究的目的:
- 调查石棉暴露模式如何影响癌症死亡率.
- 确定暴露模式对潜伏时间,直到死于与石棉有关的癌症的影响.
主要方法:
- 8,476名工人的死亡随访,具有高生命状态数据的可用性.
- 对与石棉有关的癌症的标准化死亡率 (SMR) 的计算.
- 分析暴露时间,累积剂量,吸烟和第一个暴露时的年龄,使用多重线性回归来对延迟进行分析.
主要成果:
- 间皮瘤死亡风险 (104例) 随着累积的石棉暴露而增加,在短期高暴露活动中达到顶峰 (SMR:23.20).
- 肺癌死亡率 (215例) 没有显著增加 (SMR:1.03).
- 死亡的中位延迟时间为间皮瘤的46年,肺癌的44年;延迟时间不受暴露模式或吸烟的影响.
结论:
- 累积的石棉剂量比暴露时间更好地预测中瘤死亡风险.
- 短期暴露的高累积剂量需要特别考虑.
- 肺癌死亡率低于预期,可能是由于查和治疗效应;需要进一步的延迟研究.
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