公共卫生 公共卫生
Xinyi Zhang1,2, Lili Liang1, Rose Saint Fleur-Calixte3
1Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
职业接触废气加快了老年人的认知衰退,显示了剂量-反应关系. 早期干预对于减轻对记忆,处理速度和执行功能的长期影响至关重要.
科学领域:
- 环境健康 环境健康
- 神经科学是一个神经科学.
- 职业医学 职业医学是专业的.
背景情况:
- 职业接触柴油废气 (DE) 烟雾与呼吸道和心血管问题有关.
- 对于DE烟雾对认知功能的影响尚不清楚.
- 本研究探讨了老年人职业排气烟雾暴露时间和认知表现之间的关系.
研究的目的:
- 调查职业排气烟雾暴露时间和认知表现之间的关联.
- 为了确定暴露和认知衰退之间的潜在剂量反应关系.
- 为减轻认知风险的公共卫生战略提供信息.
主要方法:
- 利用了2011-2012年国家健康和营养检查调查 (NHANES) 对60岁以上成年人的数据 (n=1,110).
- 评估职业排气烟雾暴露时间 (OCQ560) 和认知表现 (CERAD-WL, AFT, DSST).
- 采用加权多变量调查回归模型,对混因素进行调整,并计算认知衰退率.
主要成果:
- 认知表现随着暴露时间的增加而逐渐下降.
- 在第一个十年内,观察到的处理速度 (DSST),执行功能 (AFT) 和延迟记忆 (CERAD-WL延迟) 的急剧下降.
- 经过50年的暴露,DSST和AFT得分下降了10%以上;注意到认知结果受损的显著几率.
结论:
- 职业排气烟雾暴露与加速认知衰退显著相关.
- 存在明确的剂量-反应关系,强调了早期干预的必要性.
- 建议采取改善通风和清洁能源等公共卫生措施,以保护认知健康.
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