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[Viral etiology and risk factors for severe community-acquired pneumonia in children]

Xiao-Fang Ding1, Bing Zhang, Li-Li Zhong

  • 1Hunan Provincial People's Hospital, Changsha 410005, China.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|June 29, 2012
PubMed

Insights

Respiratory Syncytial Virus (RSV) is the leading viral cause of severe community-acquired pneumonia (CAP) in children. Underlying conditions and RSV infection increase severity, while younger age offers protection.

Area of Science:

  • Pediatric infectious diseases
  • Respiratory virology
  • Epidemiology of childhood pneumonia

Context:

  • Severe community-acquired pneumonia (CAP) poses a significant health burden in children.
  • Identifying viral etiologies and risk factors is crucial for effective management and prevention.
  • Previous studies have varied in their focus on specific viral pathogens and risk stratification.

Purpose:

  • To determine the spectrum of viral pathogens responsible for severe CAP in hospitalized children.
  • To identify clinical risk factors associated with the development of severe CAP in pediatric patients.
  • To analyze the role of specific viruses, such as RSV, in disease severity.

Summary:

  • Viral pathogens were identified in 82% of severe CAP cases, with Respiratory Syncytial Virus (RSV) being the most prevalent (37%).
  • Human Bocavirus (HBoV) and Human Rhinovirus (HRV) were also common, with 32% of cases exhibiting mixed infections.
  • Underlying diseases (OR=6.623) and RSV infection (OR=1.672) were significant risk factors for severe CAP, whereas younger age (OR=0.475) acted as a protective factor.

Impact:

  • This study highlights RSV as a primary viral driver of severe pediatric CAP, informing targeted prevention and treatment strategies.
  • Understanding risk factors like underlying conditions and specific viral infections can aid in early identification and intervention for high-risk children.
  • The findings contribute to a better understanding of the complex interplay between viral agents, host factors, and disease severity in pediatric pneumonia.
Abstract

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