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[Epidemiology of community-acquired pneumonia in children. Current data]
Insights
Respiratory infections in children are often caused by viruses in infants and bacteria in older children. Antimicrobial resistance and increasing morbidity necessitate careful treatment strategies for community-acquired infections.
Area of Science:
- Pediatric infectious diseases
- Microbiology
- Epidemiology
Context:
- Community-acquired lower respiratory tract infections (LRTI) are a significant concern in pediatric populations.
- Viral pathogens, such as syncitial respiratory virus, dominate infant LRTI, while bacterial agents are more prevalent in children over 3 years old.
- Emerging antimicrobial resistance in key bacterial pathogens (Streptococcus pneumoniae, Haemophilus influenzae) and high rates of atypical pneumonia (Mycoplasma pneumoniae, Chlamydia pneumoniae) complicate treatment decisions.
Purpose:
- To outline the primary etiological agents of community-acquired lower respiratory tract infections in different pediatric age groups.
- To highlight the challenges in antimicrobial therapy due to evolving pathogen resistance and common atypical infections.
- To report trends in mortality and morbidity of pediatric respiratory infections in France.
Summary:
- Syncitial respiratory virus is a primary cause of LRTI in infants, with bacterial pathogens more common in older children.
- Treatment considerations include reduced susceptibility of Streptococcus pneumoniae and Haemophilus influenzae to penicillin and beta-lactamase, alongside frequent Mycoplasma pneumoniae and Chlamydia pneumoniae infections.
- While mortality rates remain low in France, there has been a recent increase in the morbidity associated with these infections.
Impact:
- Informing clinical practice for the appropriate management of pediatric respiratory infections.
- Guiding antimicrobial stewardship by emphasizing the need to consider resistance patterns.
- Highlighting the growing public health burden of pediatric respiratory morbidity in developed countries.
Abstract:
Viruses, particularly syncitial respiratory virus, are the main aetiology of community-acquired lower respiratory tract infections in infants, while bacterial agents are more frequently responsible in children older than 3 years. Antimicrobial therapy must take into account the development of reduced susceptibility of penicillin to strains of Streptoccocus pneumoniae and Haemophilus influenzae with beta-lactamase, and high frequency of Mycoplasma pneumoniae and Chlamydia pneumoniae infections. Although the mortality rate has remained low in France, the morbidity appeared to increase in recent years.