Atypical bacteria and macrolides in asthma
Paraskevi Xepapadaki1, Ioanna Koutsoumpari, Vasiliki Papaevagelou
1Allergy Department, 2nd Pediatric Clinic, University of Athens, Athens, Greece.
Abstract:
: Chlamydophila pneumoniae and Mycoplasma pneumoniae are common pathogens causing acute illness in both the upper and lower airways. Several observations are supportive of a possible causative role of these pathogens in asthma; however, more evidence is required before this becomes meaningful in clinical practice. Atypical bacteria can enhance airway hyperresponsiveness and inflammation, both of which have been associated with exacerbations in patients with preexisting asthma. It is less clear whether the above mechanisms might also be responsible for the development of asthma. Difficulties in accurately diagnosing these infections contribute to such uncertainty. In the present report, evidence of the involvement of Chlamydophila and Mycoplasma infection in the development and the progression of asthma are reviewed.
Insights
Chlamydophila pneumoniae and Mycoplasma pneumoniae infections may play a role in asthma development and exacerbations. Further research is needed to confirm their clinical significance in airway diseases.
Area of Science:
- Respiratory Medicine
- Infectious Diseases
- Immunology
Background:
- Chlamydophila pneumoniae and Mycoplasma pneumoniae are common respiratory pathogens.
- These atypical bacteria are implicated in acute upper and lower airway illnesses.
- Evidence suggests a potential role in asthma development and exacerbations.
Purpose of the Study:
- To review the evidence linking Chlamydophila and Mycoplasma infections to asthma.
- To explore the mechanisms by which these pathogens may influence asthma.
- To assess the current understanding of these infections in asthma pathogenesis.
Main Methods:
- Literature review of studies on Chlamydophila/Mycoplasma and asthma.
- Analysis of data on airway hyperresponsiveness and inflammation.
- Examination of diagnostic challenges in atypical bacterial infections.
Main Results:
- Atypical bacterial infections can increase airway hyperresponsiveness and inflammation.
- These mechanisms are associated with asthma exacerbations in patients with existing asthma.
- The role of these infections in the initial development of asthma remains less clear.
Conclusions:
- Chlamydophila and Mycoplasma infections are potential contributors to asthma exacerbations.
- More robust evidence is required to establish a definitive causative link in asthma development.
- Diagnostic difficulties hinder a complete understanding of their impact on asthma.
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