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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

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Ventilator-associated pneumonia

Gianluigi Li Bassi1, Miquel Ferrer1, Joan Daniel Marti1

  • 1Department of Pulmonary and Critical Care Medicine, Thorax Institute, Hospital Clinic, Barcelona, Spain.

Seminars in Respiratory and Critical Care Medicine
|August 12, 2014
PubMed

Insights

Ventilator-associated pneumonia (VAP) is a serious lung infection in intubated patients. Prompt diagnosis and tailored antibiotic treatment based on local data are crucial for effective management and improved patient outcomes.

Area of Science:

  • Critical Care Medicine
  • Infectious Diseases
  • Pulmonology

Background:

  • Ventilator-associated pneumonia (VAP) is a significant iatrogenic pulmonary infection in intubated patients.
  • VAP represents the nosocomial infection with the most substantial impact on patient outcomes and healthcare expenditures.
  • Aerobic gram-negative pathogens like Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus are key in VAP pathogenesis.

Purpose of the Study:

  • To summarize the understanding of ventilator-associated pneumonia (VAP) pathogenesis.
  • To outline current preventive strategies and diagnostic approaches for VAP.
  • To guide empiric and definitive antimicrobial therapy for VAP.

Main Methods:

  • Review of existing literature on VAP pathogenesis, prevention, and treatment.
  • Emphasis on diagnostic sample collection and interpretation.
  • Discussion of antimicrobial stewardship principles in VAP management.

Main Results:

  • VAP pathogenesis involves colonization by specific aerobic gram-negative pathogens and MRSA.
  • Preventive strategies, often used in bundles, are effective in reducing VAP incidence.
  • Prompt respiratory sample collection is vital for suspected VAP cases.

Conclusions:

  • Empiric VAP treatment should consider local pathogen prevalence, hospital stay duration, and prior antibiotic use.
  • Antibiotic therapy can be narrowed or discontinued once culture and susceptibility results are available.
  • Optimizing VAP prevention and treatment is essential for improving patient outcomes and reducing healthcare costs.

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