中国成都空气污染和儿童喘住院情况:一项时间序列研究
Zijin Chen1, Lei Zhang1, Tao Ai1
1Division of Pediatric Pulmonology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, People's Republic of China.
Journal of asthma and allergy
|February 24, 2025
概括
空气污染,包括细颗粒物 (PM2.5) 和二氧化 (NO2),在成都显著增加了儿童喘住院病例. 需要更严格的空气质量控制来保护儿童.
科学领域:
- 环境健康 环境健康
- 儿科肺病学 儿科肺病学
- 流行病学 流行病学
背景情况:
- 关于空气污染对发展中国家儿童喘住院的影响的研究不足.
- 在全球范围内,喘是儿童呼吸系统的重大负担.
研究的目的:
- 研究特定空气污染物对中国成都儿童喘住院的短期影响.
- 分析二氧化硫 (SO2),二氧化 (NO2),一氧化碳 (CO),臭氧 (O3),PM2.5和PM10与儿童喘入院的关联.
主要方法:
- 利用一种通用添加模型,对2017-2022年期间5592例儿童喘住院病例进行时间序列分析.
- 对季节性,长期趋势,天气,周日和假日进行控制.
- 根据年龄,性别和季节进行分层分析,以确定易受伤害的子组.
主要成果:
- 在PM2.5,PM10,SO2,NO2,CO和喘住院风险增加之间发现了显著的关联.
- 每日吸收的特定增加与污染物度有关 (例如,10μg/m3的PM2.5增加与2.07%的吸收增加相关).
- 污染物根据年龄 (例如,PM10/PM2.5对5-6岁的孩子),性别 (对女孩的影响更大) 和季节 (冬季) 产生不同的影响.
结论:
- 在成都,高水平的PM2.5,PM10,SO2,NO2和CO有助于儿童喘住院.
- 对于SO2,观察到显著的滞后效应,表明健康影响延迟.
- 调查结果强调,迫切需要加强空气质量管理战略,以减轻儿童喘负担.
更多相关视频
09:33Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
Published on: December 23, 2022
2.1K
05:18Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
Published on: July 12, 2024
231
相关概念视频
01:20Asthma: Pathogenesis and Management
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
01:29Asthma-I: Introduction
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
01:28Asthma I: Introduction
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
01:13Asthma III: Clinical Manifestations
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
01:23Chronic Obstructive Pulmonary Disease I: Introduction
Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...