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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
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[Ventilator-associated pneumonia in surgical Intensive Care Unit]
Claudia Maria Dantas de Maio Carrilho1, Cíntia Magalhães Carvalho Grion1, Lais Magalhães Carvalho1
1UEL.
Revista Brasileira De Terapia Intensiva
|October 14, 2014
Summary
Ventilator-associated pneumonia (VAP) is common in surgical ICUs. Enteral nutrition and high TISS scores increase VAP risk, while antibiotics may offer protection, leading to longer ICU stays and higher mortality.
Area of Science:
- Critical Care Medicine
- Infectious Diseases
- Surgical ICU Research
Context:
- Ventilator-associated pneumonia (VAP) is a significant healthcare-associated infection in intensive care units (ICUs).
- VAP causes vary by ICU type and patient population, necessitating localized surveillance and prevention strategies.
- This study focuses on VAP within a surgical intensive care unit setting.
Purpose:
- To determine the incidence of VAP in patients undergoing mechanical ventilation in a surgical ICU.
- To identify risk factors associated with VAP development in this patient cohort.
- To analyze the impact of VAP on patient outcomes, including mortality.
Summary:
- A prospective cohort study of 462 mechanically ventilated patients in a surgical ICU identified an 18.8% VAP incidence.
- Risk factors for VAP included TISS score at admission and enteral nutrition; prophylactic antibiotic use was protective.
- VAP patients experienced longer ICU stays, increased mechanical ventilation duration, and higher crude mortality rates.
Impact:
- Findings highlight VAP as a frequent complication in surgical ICUs, associated with adverse outcomes.
- Identifies specific risk factors (enteral nutrition, admission TISS) and a protective factor (antibiotic prophylaxis) for VAP.
- Emphasizes the need for targeted VAP prevention and management strategies in surgical ICUs based on local data.
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