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Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

16
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...
16
Asthma-I: Introduction01:29

Asthma-I: Introduction

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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...
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Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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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.
1.8K
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

20
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,...
20
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

5.0K
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:
5.0K
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

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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:
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Related Experiment Video

Updated: Apr 20, 2026

Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
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Childhood asthma-predictive phenotype.

Theresa W Guilbert1, David T Mauger2, Robert F Lemanske3

  • 1Pulmonary Medicine Division, Department of Pediatrics, Cincinnati Children's Hospital, Cincinnati, Ohio.

The Journal of Allergy and Clinical Immunology. in Practice
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

Identifying the asthma-predictive phenotype in children is crucial. This phenotype involves recurrent early childhood wheezing and specific risk factors indicating persistent asthma symptoms later in life.

Keywords:
Asthma epidemiology childhoodAsthma phenotypesAsthma riskBiomarkersChildhood asthmaGeneticsReviewWheezing

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Murine Model of Allergen Induced Asthma
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Area of Science:

  • Pediatric Pulmonology
  • Allergy and Immunology
  • Epidemiology

Background:

  • Recurrent wheezing is common in early childhood, but persistence into later childhood varies.
  • The asthma-predictive phenotype identifies children with early wheezing and risk factors for persistent asthma.
  • Existing phenotypes are difficult to clinically differentiate due to evolving symptoms and risk factors.

Purpose of the Study:

  • To define and characterize the asthma-predictive phenotype in children.
  • To identify key clinical features and risk factors associated with persistent childhood asthma.

Main Methods:

  • Retrospective analysis of large, longitudinal cohort studies.
  • Evaluation of genetic, environmental, developmental, and host factors.
  • Assessment of clinical characteristics and early life risk factors.

Main Results:

  • Key distinguishing features include male sex, history of wheezing with lower respiratory tract infections, parental asthma, and atopic dermatitis.
  • Early sensitization to allergens (food or aeroallergens) and lower early-life lung function are significant indicators.
  • Interactions between various factors influence asthma development, severity, and persistence.

Conclusions:

  • The asthma-predictive phenotype is characterized by a combination of early-life symptoms and specific risk factors.
  • Accurate identification of this phenotype aids in predicting persistent asthma in children.
  • Understanding contributing factors is essential for managing and potentially preventing long-term asthma.