职业石棉暴露和胃肠道癌症:系统性审查和元分析
Mieke Koehoorn1, Christopher B McLeod2, Jonathan Fan2
1School of Population and Public Health, The University of British Columbia, Faculty of Medicine, Vancouver, British Columbia, Canada mieke.koehoorn@ubc.ca.
Occupational and environmental medicine
|February 10, 2025
概括
职业接触石棉与食道,胃和结直肠癌的风险增加有关. 这一元分析证实了因果关系,强调高暴露工人群体的风险更高.
科学领域:
- 职业流行病学 职业流行病学
- 环境健康 环境健康
- 癌症研究 癌症研究
背景情况:
- 暴露于石棉是肺癌的已知危险因素.
- 职业石棉暴露与胃肠道癌症之间的关联需要进一步澄清.
- 要准确评估癌症风险,需要使用临界暴露评估方法.
研究的目的:
- 对职业性石棉暴露和食道,胃和结肠直肠癌的风险进行元分析.
- 批判性地评估与癌症风险相关的暴露水平.
- 为了确定石棉暴露与这些特定癌症类型之间的关联的强度.
主要方法:
- 在多个数据库 (MEDLINE,Embase,CINAHL,Scopus,Web of Science) 进行全面的文献搜索,更新至2024年3月.
- 从使用随机效应模型的队列和病例对照研究中对效应估计 (OR,HR,SIR,SMR) 的元分析.
- 由职业流行病学和职业卫生专家进行基于共识的暴露评估,以确保对暴露分类的信心.
主要成果:
- 分析包括82篇 (食道),153篇 (胃) 和144篇 (结肠直肠) 的论文.
- 对于所有三种癌症类型的职业石棉暴露,都观察到较高的元相对风险 (mRRs).
- 在对暴露分类的信心增加的分析中,发现了显著更高的mRR,特别是在高度暴露的工人和石棉绝缘工人中.
结论:
- 这些发现支持了职业石棉暴露与食道,胃和结肠直肠癌风险增加之间的因果关系.
- 该研究强调了在流行病学研究中准确的暴露评估的重要性.
- 这些结果强调了在接触石棉的职业环境中需要持续保持警和采取保护措施的必要性.
相关概念视频
01:17Assessment of the Gastrointestinal System I: Subjective Data
132
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems...
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems...
132
01:36Types of Toxins
1.6K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.6K
01:29Assessment of the Gastrointestinal System II: Health Perception Pattern
66
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
66
01:21Barrett Esophagus-I: Introduction
56
Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
56