Related Experiment Video

Updated: Aug 23, 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

Bronchiolitis poses significant public health burden

Catherine Karr1

  • 1Department of Pediatrics, University of Washington, Box 357234, Seattle, WA 98195-7234, USA.

Pediatric Annals
|August 10, 2004
PubMed

Insights

Bronchiolitis, a major cause of infant illness, may worsen with air pollution exposure. Protecting infants through stricter air quality standards is crucial for preventing severe disease and long-term respiratory issues.

Area of Science:

  • Pediatric Respiratory Medicine
  • Environmental Health Science

Background:

  • Bronchiolitis is a primary cause of infant hospitalization, with rising rates.
  • A significant percentage of affected infants develop chronic respiratory problems like asthma.
  • Current treatments are supportive, and preventative measures like vaccines have been unsuccessful.

Purpose of the Study:

  • To investigate the potential link between ambient air pollution and bronchiolitis severity.
  • To highlight the need for primary prevention strategies, focusing on environmental factors.

Main Methods:

  • This study reviews existing research on pediatric respiratory diseases and air pollution.
  • It examines the physiological vulnerabilities of infants to air pollutants.

Main Results:

  • Infants possess increased susceptibility to the inflammatory effects of air pollutants.
  • Combined with bronchiolitis's inflammatory response, pollution may increase disease severity and hospitalization risk.

Conclusions:

  • Primary prevention of bronchiolitis is essential due to limited curative treatments.
  • Stricter regulatory standards for outdoor air pollution are paramount to protect vulnerable infants.

More Related Videos

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria11:32

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Published on: February 23, 2014

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians04:03

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians

Published on: September 27, 2024

Related Concept Videos

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
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...
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...