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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

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:
Asthma-I: Introduction01:29

Asthma-I: Introduction

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...
Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

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

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Related Experiment Video

Updated: Jun 23, 2026

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

Pediatric asthma: a different disease.

Erwin W Gelfand1

  • 1Division of Cell Biology, Department of Pediatrics, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA. gelfande@njc.org

Proceedings of the American Thoracic Society
|April 24, 2009
PubMed
Summary
This summary is machine-generated.

Early life exposures and genetic factors significantly influence the natural history of asthma, particularly allergic asthma. Understanding these early-life triggers is crucial for managing pediatric and adult-onset asthma.

Related Experiment Videos

Last Updated: Jun 23, 2026

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

Area of Science:

  • Allergy and Immunology
  • Pediatric Pulmonology
  • Environmental Health

Background:

  • Asthma affects over 30 million Americans, with significant differences between pediatric and adult-onset cases.
  • The natural history of asthma, especially in specific patient groups, remains incompletely understood.
  • Allergic asthma often originates in early childhood, linked to allergen sensitization and viral infections.

Purpose of the Study:

  • To define the natural history of asthma, focusing on early life influences.
  • To identify risk and protective factors impacting asthma development and progression.
  • To elucidate the role of early immune/inflammatory responses in lung disease initiation and maintenance.

Main Methods:

  • Review of existing data on early life exposures and asthma.
  • Analysis of genetic susceptibility in relation to asthma development.
  • Identification of risk and protective factors in childhood asthma.

Main Results:

  • Early-life sensitization to aeroallergens and viral infections are key in pediatric asthma.
  • Genetic predisposition plays a significant role in asthma's natural history.
  • Specific early-life factors influence the development of atopy and asthma prevalence.

Conclusions:

  • The early childhood period is critical for initiating and maintaining asthma.
  • Understanding early immune responses in the lung is vital for asthma management.
  • Identifying early risk and protective factors can inform strategies to reduce asthma prevalence.