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相关概念视频

COPD: Management Using Bronchodilators and Corticosteroids01:26

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Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
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在极寒的环境中工作是否会影响肺功能? : 10 年的随访时间.

Marcial Velasco Garrido1, Nadine Rentel2, Robert Herold2

  • 1Institute for Occupational and Maritime Medicine (ZfAM), University Medical Center Hamburg-Eppendorf, Seewartenstr. 10, 20459, Hamburg, Germany. m.velasco-garrido@uke.de.

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概括

在健康的男性商店工人中,多年来反复暴露于极端寒冷的温度并没有损害肺功能. 肺功能测试显示,职业寒冷暴露没有显著的长期负面影响.

关键词:
暴露于寒冷的情况.长期的 长期的 长期的肺功能 肺功能 肺功能职业暴露 职业暴露肺部疾病 肺部疾病

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科学领域:

  • 职业健康 职业健康 职业健康
  • 肺部病理学 肺部病理学
  • 环境医学 环境医学

背景情况:

  • 在某些行业中,职业暴露于极度寒冷是常见的.
  • 间歇性极寒对肺功能的长期影响尚不清楚.

研究的目的:

  • 调查长期间歇性职业暴露于极度寒冷和肺功能之间的关联.
  • 为了确定多年来重复暴露于-55°C是否会影响肺容量和气体交换.

主要方法:

  • 对商店工人的10年医学检查数据的回顾性分析.
  • 测量强迫生命能力 (FVC),强迫呼吸量在一秒内 (FEV1) 和CO扩散能力 (DL,CO).
  • 利用线性混合模型分析肺功能参数的趋势,考虑吸烟状态和寒冷暴露强度.

主要成果:

  • 分析了46名男性工人和398个测量点.
  • 随着时间的推移,FEV1和FVC显示出统计学上显著的正倾斜率 (FEV1:0.32%,FVC:0.43%).
  • 在研究期间,没有观察到FEV1/FVC,DL,CO或DL,CO/VA的显著变化.

结论:

  • 在健康的工人中,长期间歇性职业暴露于极端寒冷似乎不会造成不可逆转的肺损伤.
  • 该研究表明,阻塞性或限制性肺部疾病不是这种类型暴露的预期结果.