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Related Concept Videos

Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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...
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

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...
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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...
Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

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.
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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 Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic 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...

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Studying Effects of Cigarette Smoke on Pseudomonas Infection in Lung Epithelial Cells
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Studying Effects of Cigarette Smoke on Pseudomonas Infection in Lung Epithelial Cells

Published on: May 11, 2020

[COPD in nonsmokers].

Myriam Calle Rubio1, Juan Luis Rodríguez Hermosa, José Luis Alvarez-Sala Walther

  • 1Servicio de Neumología, Hospital Clínico San Carlos, Universidad Complutense, Madrid, España. med010161@saludalia.com

Archivos De Bronconeumologia
|September 21, 2010
PubMed
Summary
This summary is machine-generated.

Chronic obstructive pulmonary disease (COPD) is often linked to smoking, but many non-smokers develop it too. This review explores other genetic, environmental, and health factors contributing to COPD development.

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Area of Science:

  • Pulmonology
  • Environmental Health
  • Genetics

Context:

  • Smoking is a primary risk factor for chronic obstructive pulmonary disease (COPD).
  • A significant number of COPD cases occur in individuals who have never smoked.
  • This highlights the need to investigate alternative risk factors beyond smoking.

Purpose:

  • To review and synthesize current knowledge on non-smoking-related risk factors for COPD.
  • To explore the influence of genetic predispositions, gender, and co-existing respiratory conditions on COPD.
  • To examine the role of environmental exposures, including pollution and occupational hazards, in COPD pathogenesis.

Summary:

  • The established link between smoking and chronic obstructive pulmonary disease (COPD) is undeniable.
  • However, a growing body of evidence indicates a substantial prevalence of COPD among nonsmokers.
  • This review consolidates research on endogenous factors like genetics and gender, and exogenous factors such as respiratory diseases, environmental pollution, and occupational exposures, as contributors to COPD development.

Impact:

  • Broadens understanding of COPD etiology beyond smoking.
  • Identifies potential targets for prevention and intervention in nonsmoking populations.
  • Informs public health strategies for managing COPD in diverse risk groups.