Related Experiment Video
Updated: Mar 13, 2026
03:23
Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis
Published on: May 10, 2024
1.5K
Eosinophils in COPD Exacerbations Are Associated With Increased Readmissions
Simon Couillard1, Pierre Larivée2, Josiane Courteau1
1Centre de recherche du Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada.
Chest
|October 18, 2016
Summary
Elevated blood eosinophil levels in severe COPD exacerbations predict higher readmission rates. This finding suggests eosinophils can serve as a biomarker for predicting patient outcomes.
Area of Science:
- Pulmonary Medicine
- Clinical Immunology
Background:
- A subset of Chronic Obstructive Pulmonary Disease (COPD) patients exhibit eosinophilic inflammation in sputum or blood.
- Previous research on blood eosinophil levels and readmission outcomes in COPD is conflicting.
- This study aimed to clarify the association between higher blood eosinophil levels and outcomes after severe COPD exacerbations.
Purpose of the Study:
- To investigate the association between elevated blood eosinophil levels and clinical outcomes in patients hospitalized for severe COPD exacerbations.
- To determine if blood eosinophil counts on admission can predict readmission rates and time to readmission within 12 months.
- To analyze the impact of eosinophilia on length of stay and all-cause readmissions.
Main Methods:
- Retrospective observational study design utilizing hospitalization data for severe COPD exacerbations.
- Patients were stratified into eosinophilic (≥ 200 cells/μL or ≥ 2% of WBC) and non-eosinophilic groups based on admission blood eosinophil counts.
- Clinical outcomes, including 12-month COPD-related and all-cause readmissions, length of stay, and time to readmission, were analyzed using regression models.
Main Results:
- Eosinophilia was significantly associated with a 3.59-fold increased risk of 12-month COPD-related readmission (P = .0013).
- Patients with eosinophilia had a 2.32-fold increased risk of 12-month all-cause readmission (P = .0277) and a shorter time to first COPD-related readmission (HR, 2.74; P = .0005).
- No significant difference in length of stay was observed between groups; sensitivity analyses supported the dose-response relationship.
Conclusions:
- Blood eosinophil levels serve as a valuable biomarker for predicting increased readmission rates in severe COPD exacerbations.
- Identifying patients with eosinophilia upon admission can aid in risk stratification and management strategies.
- Further research may explore targeted therapies for eosinophilic COPD exacerbations to reduce readmission risks.
More Related Videos
04:03Author Spotlight: Evaluating the Therapeutic Efficacy of Moving Cupping Along Meridians for Acute Exacerbation of COPD
Published on: September 27, 2024
1.6K
04:53Author Spotlight: Traditional Chinese Medicine for Sleep Disorders in Acute COPD — A Safe, Cost-Effective Approach
Published on: October 18, 2024
1.6K
Related Concept Videos
01:26COPD: Management Using Bronchodilators and Corticosteroids
1.0K
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...
1.0K
01:24Chronic Obstructive Pulmonary Disease
2.9K
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...
2.9K
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
5.0K
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
5.0K
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
4.0K
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:
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:
4.0K
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
3.3K
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
3.3K
01:20COPD: Pathogenesis and Clinical Features
2.1K
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...
2.1K