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Related Concept Videos

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 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...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic 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...
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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Related Experiment Video

Updated: Jun 16, 2026

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians
04:03

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians

Published on: September 27, 2024

[Infectious comorbidity in COPD].

Rafael Zalacain Jorge1, Ainhoa Gómez Bonilla

  • 1Servicio de Neumología, Hospital de Cruces, Baracaldo, Bizkaia, España. rafael.zalacainjorge@osakidetza.net

Archivos De Bronconeumologia
|February 2, 2010
PubMed
Summary

Respiratory infections, including exacerbations and pneumonia, are common in chronic obstructive pulmonary disease (COPD). Bacteria and viruses are key infectious agents, with Pseudomonas aeruginosa noted in COPD exacerbations.

Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Microbiology

Context:

  • Chronic obstructive pulmonary disease (COPD) is frequently complicated by respiratory infections.
  • These infections manifest as exacerbations or pneumonia, with COPD being a significant comorbidity for pneumonia development.

Purpose:

  • To explore the role of bacterial and viral infections in COPD exacerbations and pneumonia.
  • To examine the association between COPD and outcomes in community-acquired pneumonia (CAP).

Summary:

  • Infections account for 50-70% of COPD exacerbations, with bacteria (including Pseudomonas aeruginosa) and viruses being primary culprits.
  • COPD patients have a high incidence of CAP, yet COPD has not been consistently identified as a risk factor for poor CAP outcomes.
  • The role of COPD in CAP mortality is debated, potentially influenced by corticosteroid use.

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Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders
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Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders

Published on: August 18, 2023

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Last Updated: Jun 16, 2026

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians
04:03

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians

Published on: September 27, 2024

Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders
05:34

Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders

Published on: August 18, 2023

Impact:

  • Highlights the critical role of respiratory infections in COPD management.
  • Informs clinical practice regarding the diagnosis and treatment of infections in COPD patients.
  • Suggests further research into the complex relationship between COPD, infections, and patient outcomes.