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Published on: February 23, 2014
[Mycoplasma pneumoniae, community-acquired pneumonia and asthma]
D Gendrel1, S Biscardi, E Marc
1Hôpital Saint-Vincent-de-Paul, assistance publique-hôpitaux de Paris, 82, avenue Denfert-Rochereau, 75014 Paris, France. dominique.gendrel@svp.ap-hop-paris.fr
Abstract:
Mycoplasma pneumoniae is an intracellular pathogen, devoid of cell wall, able to invade airway epithelial cells. Infection may either remain asymptomatic or induce bronchitis and pneumonia. M. pneumoniae is the first-ranking aetiological agent of community-acquired pneumonias in children over five years of age. Clinical features are usually mild, but this should not preclude the initiation of a treatment, in order to avoid serious sequelae such as impairment of pulmonary gas exchange capacity. In children at high-risk of asthma, infection with M. pneumoniae can induce exacerbation. A survey was performed in children admitted to hospital Saint-Vincent-de-Paul (Paris) for an episode of severe asthma exacerbation with persistent hypoxemia. Mycoplasma infection was identified in 26% of children with a history of asthma and 50% of those for whom the exacerbation was the presenting manifestation of the disease. Furthermore, if the Mycoplasma infection was atypical, asthma exacerbation recurred within one month. M. pneumoniae should be considered not only as a preeminent agent of respiratory infection in children, but also as a triggering factor in exacerbation and even inception of asthma. As a consequence, it is mandatory to carefully search for and actively treat Mycoplasma infection in children.
Insights
Mycoplasma pneumoniae infections are common in children, causing pneumonia and potentially triggering or worsening asthma. Early detection and treatment are crucial to prevent severe respiratory issues and asthma exacerbations.
Area of Science:
- * Medical Microbiology: Focuses on Mycoplasma pneumoniae, an intracellular bacterial pathogen lacking a cell wall.
- * Pediatric Pulmonology: Investigates respiratory infections and asthma exacerbations in children.
Context:
- * Mycoplasma pneumoniae is a leading cause of community-acquired pneumonia in children over five.
- * Infections can range from asymptomatic to severe respiratory illness, including bronchitis and pneumonia.
- * This pathogen can trigger asthma exacerbations, particularly in high-risk children.
Purpose:
- * To investigate the role of Mycoplasma pneumoniae in severe asthma exacerbations in hospitalized children.
- * To determine the prevalence of Mycoplasma infection in children experiencing severe asthma episodes.
- * To highlight the significance of Mycoplasma pneumoniae as a trigger for asthma inception and exacerbation.
Summary:
- * A survey of hospitalized children with severe asthma exacerbation revealed Mycoplasma infection in 26% of those with prior asthma history and 50% of new-onset asthma cases.
- * Atypical Mycoplasma infections were associated with recurrent asthma exacerbations within one month.
- * Mycoplasma pneumoniae is identified as a significant factor in pediatric respiratory infections and asthma development.
Impact:
- * Emphasizes the need for active screening and treatment of Mycoplasma infections in children presenting with respiratory symptoms or asthma exacerbations.
- * Suggests Mycoplasma pneumoniae should be considered a critical factor in the pathogenesis of pediatric asthma.
- * Highlights potential for improved patient outcomes through targeted antimicrobial therapy for Mycoplasma infections.
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