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Pulmonary and systemic bacterial co-infections in severe RSV bronchiolitis

L Duttweiler1, D Nadal, B Frey

  • 1Department of Paediatric Intensive Care and Neonatology, University Children's Hospital, Zurich, Switzerland.

Archives of Disease in Childhood
|November 24, 2004
PubMed

Insights

Bacterial pneumonia is rare in infants with respiratory syncytial virus (RSV) bronchiolitis, but common in intubated patients. Early tracheal aspirate investigation is crucial for timely antibiotic treatment in these high-risk infants.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Respiratory Syncytial Virus (RSV) bronchiolitis is a common pediatric respiratory infection.
  • Bacterial sepsis is a rare complication of RSV bronchiolitis in infants.
  • Identifying bacterial pneumonia in intubated infants with RSV bronchiolitis is challenging.

Purpose of the Study:

  • To determine the incidence of concomitant bacterial sepsis in infants with RSV bronchiolitis.
  • To investigate the occurrence of bacterial pneumonia in intubated infants with RSV bronchiolitis.
  • To assess the utility of clinical signs in diagnosing bacterial pneumonia in this population.

Main Methods:

  • Retrospective analysis of 127 infants admitted to intensive care for RSV bronchiolitis.
  • Subgroup analysis of intubated patients.
  • Review of microbiological investigations of tracheal aspirates.

Main Results:

  • Concomitant bacterial sepsis was rare overall.
  • Bacterial pneumonia incidence was 43.9% in intubated infants.
  • Half of bacterial pneumonia cases were community-acquired, and half were nosocomial.

Conclusions:

  • Bacterial pneumonia is a significant concern in intubated infants with RSV bronchiolitis.
  • Clinical signs are unreliable for early diagnosis.
  • Routine microbiological investigation of tracheal aspirates is essential for prompt antibiotic initiation.

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