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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia

Published on: June 28, 2018

Oral mucosal decontamination with chlorhexidine for the prevention of ventilator-associated pneumonia in children - a

Meghna Raju Sebastian1, Rakesh Lodha, Arti Kapil

  • 1From the Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.

Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies
|July 5, 2012
PubMed

Insights

Oral chlorhexidine gel did not prevent ventilator-associated pneumonia in children. This study found no significant difference in pneumonia rates between chlorhexidine and placebo groups, indicating limited efficacy for this intervention.

Area of Science:

  • Pediatric critical care medicine
  • Infectious disease prevention
  • Pharmacology

Background:

  • Ventilator-associated pneumonia (VAP) is a significant complication in pediatric intensive care units.
  • Effective strategies for VAP prevention in children are crucial to reduce morbidity and mortality.

Purpose of the Study:

  • To evaluate the efficacy of 1% chlorhexidine gel applied to the oral mucosa for preventing ventilator-associated pneumonia in pediatric patients.
  • To assess the impact of chlorhexidine decontamination on VAP incidence, duration of hospital/ICU stay, and mortality.

Main Methods:

  • A double-blind, randomized, placebo-controlled trial was conducted in a tertiary care pediatric intensive care unit.
  • Eighty-six children aged 3 months to 15 years requiring mechanical ventilation received either 1% chlorhexidine or placebo gel applied to the buccal mucosa every 8 hours for up to 21 days.
  • VAP diagnosis followed CDC criteria, and outcomes included VAP incidence, ICU/hospital stay duration, and mortality.

Main Results:

  • The incidence of VAP was similar between the chlorhexidine (39.6/1,000 ventilator days) and placebo (38.1/1,000 ventilator days) groups (p=0.46).
  • No significant differences were observed in the duration of intensive care unit stay, hospital stay, or mortality rates between the groups.
  • Gram-negative bacteria, particularly Acinetobacter species, were the most common pathogens isolated; no adverse effects were reported.

Conclusions:

  • Topical oral application of 1% chlorhexidine gel did not demonstrate efficacy in preventing ventilator-associated pneumonia in pediatric patients aged 3 months to 15 years.
  • Further research may be needed to explore alternative or adjunctive strategies for VAP prevention in this vulnerable population.
Abstract

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