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Related Concept Videos

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-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-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 III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
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.

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Related Experiment Video

Updated: Jun 28, 2026

Methodology for Sputum Induction and Laboratory Processing
13:28

Methodology for Sputum Induction and Laboratory Processing

Published on: December 17, 2017

International differences in asthma guidelines for children.

Shannon F Cope1, Wendy J Ungar, Richard H Glazier

  • 1Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ont., Canada.

International Archives of Allergy and Immunology
|November 13, 2008
PubMed
Summary

Pediatric asthma guidelines vary in their approach to assessing severity versus control. Future guidelines should clarify their primary focus for better consistency and adherence in managing childhood asthma.

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Area of Science:

  • Pediatric Pulmonology
  • Clinical Practice Guidelines
  • Asthma Management

Background:

  • Multiple clinical practice guidelines for pediatric asthma management have emerged over the past decade.
  • The consistency and varying emphasis on asthma control across these guidelines remain unclear.
  • This study aims to map the evolution and compare current international pediatric asthma guidelines.

Purpose of the Study:

  • To depict the evolution of pediatric asthma guidelines.
  • To compare current international guidelines regarding organization, evidence presentation, and pediatric considerations.
  • To emphasize definitions of asthma control and severity in pediatric asthma management.

Main Methods:

  • Systematic literature search for asthma guidelines.
  • Focused search for guidelines incorporating pediatric terms.
  • Comparative analysis of assessment approaches for asthma severity and control in guidelines from the US, GINA, Canada, UK, and Australia.

Main Results:

  • Pediatric considerations are integrated into guidelines with varying degrees and strategies.
  • Significant differences exist in the conceptual and operational approaches to asthma assessment.
  • Guidelines emphasize either asthma severity or asthma control, but not consistently.

Conclusions:

  • Future guidelines must clearly define whether asthma severity or control is the primary assessment parameter.
  • Improved transparency and consistency in guideline development processes are needed.
  • Delineating the evidence base can enhance guideline adherence for pediatric asthma.