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Chronic Obstructive Pulmonary Disease

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: Chronic Bronchitis Features

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...

Chronic Obstructive Pulmonary Disease-I: Introduction

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 I: Introduction

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 IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

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:

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Related Experiment Video

Updated: May 26, 2026

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure

Published on: August 25, 2017

Thorax in focus: chronic obstructive pulmonary disease.

David B Hodgson¹, Gauri Saini, Charlotte E Bolton

¹NIHR Nottingham Respiratory Biomedical Research Unit, University of Nottingham, Nottingham, UK.

|December 14, 2011

Summary

Staying current with chronic obstructive pulmonary disease (COPD) research is difficult. This review summarizes key scientific and clinical advances in COPD epidemiology, mechanisms, and treatment published in Thorax over the past 2-3 years.

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Last Updated: May 26, 2026

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure

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Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

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Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

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Published on: April 12, 2024

Area of Science:

Pulmonary Medicine
Respiratory Research

Background:

Keeping abreast of medical advancements is challenging.
Chronic Obstructive Pulmonary Disease (COPD) research is rapidly evolving.
Effective communication of scientific progress is vital for clinicians and researchers.

Purpose of the Study:

To review original research on COPD published in Thorax within the last 2-3 years.
To synthesize key scientific and clinical developments in COPD.
To contextualize recent COPD findings within the broader scientific literature.

Main Methods:

Systematic review of original research articles.
Focus on publications within a 2-3 year timeframe.
Analysis of studies covering COPD epidemiology, mechanisms, and treatment.

Main Results:

Identification of significant advancements in COPD understanding and management.
Highlighting key research trends in COPD epidemiology.
Summarizing novel insights into COPD pathogenesis and therapeutic strategies.

Conclusions:

Thorax has been a key platform for disseminating critical COPD research.
The reviewed articles represent important contributions to the field of COPD.
This summary aids in understanding the current landscape of COPD scientific and clinical developments.