在COPDGene队列中,虚弱与呼吸道恶化和死亡率有关
Eleanor Kate Phillips1,2, Yichen Huang1, Elizabeth Regan3
1Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA.
Aging
|July 7, 2025
概括
虚弱显著增加吸烟者的呼吸道恶化和死亡风险,即使是那些肺部功能正常的人. 早期识别脆弱性对于管理有吸烟史的COPD患者至关重要.
科学领域:
- 老年学是一门学科.
- 肺部病理学 肺部病理学
- 流行病学 流行病学
背景情况:
- 虚弱是慢性阻塞性肺病 (COPD) 呼吸系统不良结果和死亡率的已知危险因素.
- 虚弱对吸烟史的个体的呼吸系统健康的影响,但正常的螺旋计仍然不那么明确.
- 哥伦比亚慢性肺炎遗传基因研究为调查这一特定人群的脆弱性提供了有价值的队列.
研究的目的:
- 在有吸烟史的人群中,检查虚弱,虚弱前期和呼吸道结果 (恶化,死亡率) 之间的关联.
- 为了确定这些关联是否在正常螺旋计的参与者中持续存在.
- 探索衰老和脆弱的表观遗传速度之间的关系.
主要方法:
- 利用了COPDGene队列研究的数据,包括2665名年龄在45-80岁的参与者,至少有10包年吸烟史.
- 在10年的随访中,使用修改后的炸脆性表型评估脆弱性,将参与者分类为脆弱,脆弱前或强壮.
- 分析了包括呼吸道恶化,表观遗传衰老速度 (DunedinPACE) 和全因死亡率在内的主要结果,调整了吸烟和肺功能.
主要成果:
- 15%的参与者被归类为脆弱,51%被归类为脆弱.
- 虚弱与更高的潜在呼吸道恶化率 (IRR 3.4),严重恶化率 (OR 2.8) 和频繁恶化率 (OR 5.5) 有关.
- 虚弱和虚弱前期都与全因死亡率增加有关 (AHR:虚弱4.5;虚弱前期2.5),而这些发现在正常螺旋计的人群中仍然存在.
结论:
- 虚弱和虚弱前期是呼吸道恶化和所有原因死亡的重要预测因子,无论螺旋计结果如何,在有吸烟史的人群中都是如此.
- 这些发现强调了评估吸烟者的脆弱性的重要性,特别是那些被诊断为COPD或面临COPD风险的人.
- 基线时的表观遗传衰老速度预测了未来的脆弱性,这表明衰老过程和脆弱性发展之间存在生物学联系.
相关概念视频
01:20COPD: Pathogenesis and Clinical Features
512
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...
512
01:22Chronic Obstructive Pulmonary Disease
1.4K
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...
1.4K
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
3.0K
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
3.0K
01:26COPD: Management Using Bronchodilators and Corticosteroids
300
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...
300
01:20Chronic Obstructive Pulmonary Disease-I: Introduction
2.9K
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.
2.9K
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
2.6K
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
2.6K