Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Asthma-I: Introduction01:29

Asthma-I: Introduction

3.5K
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
3.5K
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

1.8K
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...
1.8K
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

793
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...
793
¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

1.5K
Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are...
1.5K
Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

3.3K
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
3.3K
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

3.1K
The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
3.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Reply.

The journal of allergy and clinical immunology. In practice·2020
Same author

Randomized placebo controlled assessment of airway inflammation due to racemic albuterol and levalbuterol via exhaled nitric oxide testing.

International journal of chronic obstructive pulmonary disease·2007
Same author

Intraoperative anaphylaxis to bacitracin during pacemaker change and laser lead extraction.

Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology·2005
See all related articles

Related Experiment Video

Updated: Jan 29, 2026

Acupuncture in a Rat Model of Asthma
07:14

Acupuncture in a Rat Model of Asthma

Published on: August 25, 2020

6.5K

The Asthma-COPD Overlap Syndrome.

John F Freiler1

  • 1is a faculty member for the Allergy/Immunology Fellowship of the San Antonio Uniformed Services Health Education Consortium at Wilford Hall Ambulatory Surgical Center, San Antonio, Texas.

Federal Practitioner : for the Health Care Professionals of the VA, Dod, and PHS
|February 16, 2019
PubMed
Summary
This summary is machine-generated.

Asthma-COPD overlap syndrome (ACOS) presents a greater health burden than asthma or COPD alone. Patients with ACOS experience more severe symptoms, reduced quality of life, and increased mortality risk.

More Related Videos

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

32.4K
Murine Model of Allergen Induced Asthma
08:05

Murine Model of Allergen Induced Asthma

Published on: May 14, 2012

41.3K

Related Experiment Videos

Last Updated: Jan 29, 2026

Acupuncture in a Rat Model of Asthma
07:14

Acupuncture in a Rat Model of Asthma

Published on: August 25, 2020

6.5K
Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

32.4K
Murine Model of Allergen Induced Asthma
08:05

Murine Model of Allergen Induced Asthma

Published on: May 14, 2012

41.3K

Area of Science:

  • Pulmonology
  • Respiratory Medicine
  • Clinical Medicine

Background:

  • Asthma-COPD overlap syndrome (ACOS) is increasingly recognized as a distinct clinical entity.
  • ACOS is associated with significant morbidity and mortality.
  • Understanding the unique burden of ACOS is crucial for effective patient management.

Purpose of the Study:

  • To elucidate the distinct disease burden of Asthma-COPD overlap syndrome (ACOS).
  • To compare the clinical outcomes of ACOS with those of isolated asthma and COPD.

Main Methods:

  • This study analyzed patient data to compare outcomes across different respiratory conditions.
  • Key metrics included exacerbation frequency, quality of life assessments, lung function decline, and mortality rates.

Main Results:

  • Patients with ACOS exhibit a higher disease burden compared to individuals with asthma or COPD alone.
  • ACOS is characterized by frequent exacerbations and a diminished quality of life.
  • A more rapid decline in lung function and elevated mortality rates are observed in ACOS patients.

Conclusions:

  • Asthma-COPD overlap syndrome imposes a substantial burden on patients.
  • Early identification and tailored management strategies for ACOS are essential to mitigate its severe consequences.