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Asthma: Pathogenesis and Management

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: Introduction

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-II: Pathophysiology and Classification

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-III: Symptoms and Complications

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

Asthma-IV: Diagnostic and Management

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: Introduction

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...

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Related Experiment Video

Updated: Jul 10, 2026

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

Published on: April 13, 2010

Determinants of future long-term asthma control.

Michael Schatz¹, Robert S Zeiger, William M Vollmer

¹Department of Allergy, Kaiser-Permanente Medical Center, San Diego, CA 92111, USA. michael.x.schatz@kp.org <michael.x.schatz@kp.org>

The Journal of Allergy and Clinical Immunology

|November 8, 2006

Summary

Effective asthma management improves long-term asthma control, even in severe cases. Key strategies include inhaled corticosteroids, long-acting beta-agonists, and specialist care for better outcomes.

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Last Updated: Jul 10, 2026

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

Published on: April 13, 2010

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

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Methodology for Sputum Induction and Laboratory Processing

Methodology for Sputum Induction and Laboratory Processing

Published on: December 17, 2017

Area of Science:

Pulmonology
Health Services Research

Background:

Asthma control is hypothesized to be inversely related to severity and directly related to management.
Empirical data supporting these relationships are limited.

Purpose of the Study:

Identify independent prospective determinants of future long-term asthma control.
Evaluate predictors including asthma severity, management, demographics, and comorbidities.

Main Methods:

A random sample of 2250 health maintenance organization members with persistent asthma completed surveys.
Computerized pharmacy data provided medication dispensing information.
Long-term asthma control was assessed using a validated scale based on short-acting beta-agonist canister dispensings.

Main Results:

Factors associated with poorer asthma control included prior oral corticosteroid use, unscheduled visits, asthma hospitalizations, smoking, COPD, male sex, black race, and lower education.
Regular inhaled corticosteroids, long-acting beta-agonists, and asthma specialist care were associated with better asthma control.

Conclusions:

Asthma severity markers and patient characteristics inversely relate to future asthma control.
Effective management strategies significantly improve asthma control, independent of high-risk characteristics.