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Related Concept Videos

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
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 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,...
Antiasthma Drugs: Leukotriene Modifiers01:19

Antiasthma Drugs: Leukotriene Modifiers

Leukotriene modifiers, or cysteinyl leukotriene receptor antagonists, are medications used to manage chronic asthma. These agents target specific inflammatory mediators produced during arachidonic acid metabolism, an essential process in generating inflammation in the body.
Leukotriene modifiers work through two distinct mechanisms:
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...
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...

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Related Experiment Video

Updated: Jun 28, 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

[The decrease in asthma-related mortality in France].

S Tual1, P Godard, J Bousquet

  • 1Inserm, UMR S 707, EPAR, Paris, France.

Revue Des Maladies Respiratoires
|October 24, 2008
PubMed
Summary
This summary is machine-generated.

Asthma mortality significantly decreased in France from 1986 to 2005, particularly in adults over 35. This decline is linked to improved asthma care and potentially better death recording.

Related Experiment Videos

Last Updated: Jun 28, 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:

  • Public Health
  • Epidemiology
  • Respiratory Medicine

Background:

  • Asthma poses a significant public health challenge, contributing to morbidity, mortality, and socioeconomic costs.
  • Despite available therapies, asthma caused approximately 2000 deaths in France in 1999, highlighting an ongoing issue.

Purpose of the Study:

  • To analyze trends in asthma-related mortality in metropolitan France from 1980 to 2005.
  • To investigate regional variations in asthma mortality rates across France.

Main Methods:

  • Calculated annual age- and gender-specific mortality rates for asthma.
  • Employed log-linear regression to estimate the annual average rate of change in mortality.
  • Mapped regional disparities in asthma-related deaths.

Main Results:

  • Asthma mortality rates, after stabilizing between 1990-1995, showed a significant decrease from 2000 onwards.
  • The decline in mortality was more pronounced in men than in women after 2000.
  • Significant reductions in mortality were observed primarily in individuals over 35 years of age, with notable regional differences.

Conclusions:

  • The downward trend in asthma mortality, initiated in 1986, persisted through 2005.
  • Improved patient management, including the use of inhaled corticosteroids and therapeutic education, is a likely contributing factor.
  • Enhanced accuracy in death recording may also play a role in the observed decline.