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相关概念视频

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相关实验视频

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Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
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对于PM的影响.

Hao Cui1,2,3, Ye Qi1,3,4,5,6, Chunyue Guo1,3

  • 1The Third Central Clinical College of Tianjin Medical University, 83 Jintang Road, Hedong District, Tianjin, 300170, China.

Environmental science and pollution research international
|June 5, 2023
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概括

暴露于细颗粒物 (PM2.5) 显著增加了中国肝细胞癌 (HCC) 患者的死亡风险. 较高的PM2.5水平与更大的生存影响相关,特别是在老年人和城市居民中.

关键词:
空气污染 大气污染一群人群的队列.肝细胞癌是肝细胞癌.死亡率 死亡率 死亡率对于PM2.5来说,这是一个很好的例子.颗粒物质颗粒物质是什么

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科学领域:

  • 环境健康 环境健康
  • 在瘤学瘤学.
  • 流行病学 流行病学

背景情况:

  • 颗粒物 (PM2.5) 与呼吸道和心血管问题有关.
  • 有限的队列证据证明PM2.5对中国肝细胞癌 (HCC) 存活率的影响.
  • 了解环境风险因素对于HCC患者的治疗结果至关重要.

研究的目的:

  • 评估PM2.5暴露与中国HCC患者死亡率之间的关联.
  • 量化与不同PM2.5度相关的死亡风险.

主要方法:

  • 从2013年9月到2018年12月,对1440名HCC患者进行的队列研究.
  • 使用逆距离加权 (IDW) 方法评估的PM2.5暴露.
  • 生存分析采用了卡普兰-梅尔,限制立方线和考克斯比例危险模型.

主要成果:

  • 暴露于PM2.5≥58.56μg/m3的HCK患者的死亡率显著更高 (79.0%与50.7%相比).
  • 观察到PM2.5度与死亡风险之间存在线性关系.
  • 每增加10μg/m3的PM2.5都会使HCC的死亡风险增加44% (HR = 1.44,P < 0.001).

结论:

  • 在HCC诊断后增加的PM2.5暴露会对患者的存活率产生负面影响.
  • 死亡风险随着PM2.5度的增加而增加.
  • PM2.5对HCC死亡率的影响在60岁以上的患者和城市地区的患者中更为明显.