[Is there a link between chronic chlamydial infection and childhood asthma?]

Joanna Tyl1

  • 1Klinika Pediatrii, Gastroenterologii i Onkologii, Dziecieca Akademia Medyczna, 80-803 Gdańsk, Poland.

Medycyna Wieku Rozwojowego
|April 26, 2005
PubMed

Insights

This study investigated chronic chlamydial infections in childhood asthma. While some asthmatic children showed antibodies to Chlamydia pneumoniae, results were not statistically significant for disease severity.

Area of Science:

  • Pediatric Pulmonology
  • Infectious Diseases
  • Immunology

Background:

  • Childhood bronchial asthma is a significant respiratory condition.
  • The role of chronic infections in asthma pathogenesis is under investigation.
  • Chlamydial infections are potential contributors to respiratory diseases.

Purpose of the Study:

  • To explore the potential link between chronic chlamydial infection and childhood bronchial asthma.
  • To assess the prevalence of specific IgA antibodies against Chlamydia pneumoniae and Chlamydia trachomatis in asthmatic children.

Main Methods:

  • Sera from 51 asthmatic children and 36 controls were analyzed.
  • Enzyme-Linked Immunosorbent Assay (ELISA) was used to detect specific IgA antibodies.
  • Antibodies against Chlamydia pneumoniae and Chlamydia trachomatis were specifically targeted.

Main Results:

  • Specific IgA against Chlamydia pneumoniae was found in 7/51 asthmatic children versus 1/36 controls.
  • Specific IgA against Chlamydia trachomatis was detected in 2/51 asthmatic children and 1/36 controls.
  • Children with chlamydial infection showed a trend towards more severe asthma and polypharmacy, but differences lacked statistical significance.

Conclusions:

  • The study suggests a possible association between Chlamydia pneumoniae infection and childhood asthma.
  • Further research is needed to confirm the role of chlamydial infections in asthma severity.
  • No statistically significant link was established between chlamydial IgA and asthma severity in this cohort.
Abstract

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-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: 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.
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...
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...