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Updated: Apr 18, 2026

Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
Published on: June 28, 2018
A multicentered prospective analysis of diagnosis, risk factors, and outcomes associated with pediatric
Sameer Gupta1, Brian M Boville, Rachel Blanton
11University of Minnesota Masonic Children's Hospital, Minneapolis, MN. 2Helen DeVos Children's Hospital, Grand Rapids, MI. 3Children's Hospital Association, Alexandria, VA. 4Akron Children's Hospital, Akron, OH.
Insights
Pediatric ventilator-associated pneumonia (VAP) is common in children requiring mechanical ventilation. VAP increases intensive care unit (ICU) length of stay, ventilation duration, and mortality risk.
Area of Science:
- Pediatric critical care medicine
- Infectious diseases
- Respiratory medicine
Background:
- Ventilator-associated pneumonia (VAP) is a significant concern in pediatric intensive care units (PICUs).
- Understanding the prevalence, risk factors, and outcomes of VAP in children is crucial for improving patient care.
Purpose of the Study:
- To assess the prevalence, risk factors, and outcomes associated with pediatric ventilator-associated pneumonia.
- To evaluate diagnostic criteria for pediatric VAP.
Main Methods:
- Multicentered prospective observational cohort study.
- Involved mechanically ventilated patients under 18 years old across children's hospitals in the United States.
Main Results:
- The prevalence of pediatric VAP was 5.2% (7.1 per 1,000 ventilator days).
- VAP was associated with significantly longer ICU length of stay and mechanical ventilation duration.
- Patients with VAP had a nearly threefold increased risk of mortality.
- Independent risk factors included reintubation and part-time ventilation.
Conclusions:
- Pediatric VAP is a common and serious complication in mechanically ventilated children.
- VAP significantly increases morbidity and mortality in this vulnerable population.
- Identifying and mitigating risk factors for VAP is essential in pediatric critical care.
Objective:
To assess risk factors and outcomes associated with pediatric ventilator-associated pneumonia.
Design:
Multicentered prospective observational cohort.
Setting:
Children's hospitals in the United States.
Patients:
Mechanically ventilated patients less than 18 years old.
Measurements And Main Results:
Prospective evaluation of the prevalence, risk factors, and outcomes of pediatric ventilator-associated pneumonia along with evaluation of diagnostic criterion for pediatric ventilator-associated pneumonia. The prevalence of pediatric ventilator-associated pneumonia was 5.2% (n = 2,082), for a rate of 7.1/1,000 ventilator days. Patients with ventilator-associated pneumonia had a longer unadjusted ICU length of stay (p < 0.0001) and increased length of mechanical ventilation by more than 11 days (p < 0.0001). After adjustment for patient factors, ICU length of stay (p = 0.03) and mechanical ventilation days (p = 0.001) remained significant. Patients with ventilator-associated pneumonia were almost three times more likely to die (p = 0.007). Independent risk factors for ventilator-associated pneumonia were reintubation and part-time ventilation.
Conclusions:
Pediatric ventilator-associated pneumonia is common in mechanically ventilated pediatric patients. These patients have longer length of stay, longer duration of mechanical ventilation, and increased risk for mortality.
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