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Related Concept Videos

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-II: Pathophysiology and Classification01:26

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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:
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Other Pulmonary Disorders01:17

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Asthma-III: Symptoms and Complications01:24

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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:
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COPD: Management Using Bronchodilators and Corticosteroids01:26

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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...
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Asthma: Pathogenesis and Management01:20

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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.
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Exercise-Induced Bronchoconstriction Background Prevalence Around the World.

Ireri Thirión-Romero1, Irlanda Alvarado-Amador1, Luis Torre-Bouscoulet2

  • 1Pulmonary Function Testing Laboratory, Department of Respiratory Physiology, National Institute of Respiratory Diseases Ismael Cosío Villegas (INER), Mexico City, Calzada de Tlalpan 4502, CP 14080, Mexico.

Immunology and Allergy Clinics of North America
|November 28, 2024
PubMed
Summary
This summary is machine-generated.

Exercise-induced bronchoconstriction (EIB) is acute airway narrowing during or after exercise. Its prevalence varies widely, affecting 5-20% of the general population and up to 90% of asthma patients.

Keywords:
AsthmaAthletesEpidemiologyExercise-induced bronchospasmIncidencePrevalence

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Area of Science:

  • Pulmonology
  • Sports Medicine
  • Allergy and Immunology

Background:

  • Exercise-induced bronchoconstriction (EIB) is acute airway narrowing occurring during or after physical exertion.
  • EIB is commonly observed in individuals with asthma (EIBa) and athletes, though it can affect the general population.
  • Prevalence rates for EIB vary significantly based on study populations, diagnostic methods, and specific definitions used.

Purpose of the Study:

  • To define exercise-induced bronchoconstriction (EIB) and its variations.
  • To summarize the prevalence of EIB in different populations.
  • To identify risk factors associated with the development of EIB.

Main Methods:

  • Literature review and synthesis of existing studies on EIB.
  • Analysis of prevalence data across general population, asthma patients, and athletes.
  • Identification and categorization of reported risk factors for EIB.

Main Results:

  • EIB affects 5% to 20% of the general population.
  • In patients with asthma (EIBa), prevalence can reach up to 90%.
  • Among athletes, reported EIB rates range from 7% to 70%.

Conclusions:

  • EIB is a condition characterized by exercise-induced airway narrowing.
  • Risk factors include urban living, family history of asthma/atopy, and environmental conditions like low humidity.
  • Understanding EIB prevalence and risk factors is crucial for diagnosis and management in diverse populations.