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Updated: Apr 4, 2026

Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
Published on: June 28, 2018
Update on ventilator-associated pneumonia
Cristina Vazquez Guillamet1, Marin H Kollef
1aDivision of Pulmonary, Critical Care, and Sleep Medicine bDivision of Infectious Diseases, University of New Mexico School of Medicine, Albuquerque, New Mexico cDivision of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, Missouri, USA.
Purpose Of Review:
To highlight the importance of escalating pathogen resistance in ventilator-associated pneumonia (VAP) along with diagnostic and treatment implications.
Recent Findings:
In a period of rising bacterial resistance, VAP remains an important infection occurring in critically ill patients. Risk factors for multidrug-resistant pathogens depend on both local epidemiology and host factors. New diagnostic techniques and antimicrobials can help with rapid bacterial identification and timely and appropriate treatment while avoiding emergence of bacterial resistance.
Summary:
Clinicians should be aware of risk factors for multidrug-resistant pathogens causing VAP and also of particularities of diagnosis and treatment of this important clinical entity.
Insights
Ventilator-associated pneumonia (VAP) is a serious infection in critical care. Awareness of multidrug-resistant pathogens, their risk factors, and updated diagnostics and treatments is crucial for effective management.
Area of Science:
- Critical Care Medicine
- Infectious Diseases
- Microbiology
Background:
- Ventilator-associated pneumonia (VAP) is a significant nosocomial infection in intensive care units.
- Rising antimicrobial resistance poses a major challenge in treating VAP.
- Identifying risk factors for multidrug-resistant (MDR) pathogens is essential for VAP management.
Purpose of the Study:
- To emphasize the growing problem of antimicrobial resistance in VAP.
- To discuss the diagnostic and therapeutic implications of escalating pathogen resistance.
- To inform clinicians about managing VAP caused by MDR pathogens.
Main Methods:
- Review of current literature on VAP epidemiology and antimicrobial resistance.
- Analysis of diagnostic advancements for rapid pathogen identification.
- Evaluation of treatment strategies to combat MDR VAP and prevent further resistance.
Main Results:
- VAP continues to be a prevalent infection in critically ill patients, complicated by increasing bacterial resistance.
- Risk factors for MDR pathogens are influenced by local resistance patterns and patient-specific factors.
- Novel diagnostic tools and antimicrobial agents offer potential for timely and appropriate VAP treatment, aiding resistance containment.
Conclusions:
- Clinicians must recognize the risk factors associated with MDR pathogens in VAP.
- Understanding specific diagnostic and treatment approaches for VAP is critical.
- Proactive management strategies are necessary to address the challenge of antimicrobial resistance in VAP.
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