在瑞士肺炎Laus队列中,小呼吸道功能障碍的流行率
Brice Touilloux1,2, Cedric Bongard1, Benoit Lechartier1
1Division of Pulmonology, Department of Medicine, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland.
ERJ open research
|September 13, 2023
概括
小型呼吸道功能障碍 (SAD) 的患病率在空气污染较低的欧洲地区很低. 在这个人群中,吸烟,而不是颗粒物 (PM2.5) 是SAD的主要危险因素.
科学领域:
- 肺部医学 肺部医学
- 环境健康 环境健康
- 流行病学 流行病学
背景情况:
- 颗粒物 (PM2.5) 暴露与小呼吸道功能障碍 (SAD) 有关.
- 评估欧洲低空气污染地区的SAD患病率至关重要.
- 这项研究研究了瑞士队列中低环境PM2.5水平的SAD.
研究的目的:
- 为了确定小呼吸道功能障碍 (SAD) 的患病率.
- 为了确定与低空气污染环境中SAD相关的风险因素.
- 评估不同螺旋测量标准对SAD患病率估计的影响.
主要方法:
- 根据最大中呼吸流量 (MMEF) 标准 (<65%预测值或<正常的下限) 使用螺旋测量来定义SAD.
- 两变量和多变量分析检查了与年龄,性别,BMI,呼吸系统症状和吸烟状况的关联.
- 从国家数据库中获得了研究期间 (2010-2020) 的PM2.5平均水平.
主要成果:
- 在3351名参与者中,SAD患病率为12.7% (MMEF <65%PV) 和5.0% (MMEF
- 抑郁症与年龄,吸烟状况,咳,吐和呼吸障碍显著相关.
- 在这种低PM2.5 (<15μg·m−3) 的环境中,经常吸烟者至少占SAD病例的72%.
结论:
- 低PM2.5暴露可能有助于观察到的低SAD流行率.
- 在空气污染最小的地区,吸烟被确定为SAD的主要风险因素.
- 使用MMEF<65%PV可能会导致老年人过度诊断SAD.
相关概念视频
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
2.5K
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Medical History
2.5K
Pulmonary Function Tests
364
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
364
COPD: Pathogenesis and Clinical Features
333
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
333
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
2.8K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
2.8K
Chronic Obstructive Pulmonary Disease
1.3K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
1.3K
Factors Affecting Pulmonary Ventilation
1.4K
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.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.4K


