Response to Matters Arising about the etiology of ventilator-associated pneumonia in the European POS-VAP cohort - Summary - MDSpire

Response to Matters Arising about the etiology of ventilator-associated pneumonia in the European POS-VAP cohort

  • By

  • Marlieke E. A. de Kraker

  • Holly Jackson

  • Ana Catalina Hernandez Padilla

  • C. Henri van Werkhoven

  • Bruno Francois

  • June 18, 2026

  • 0 min

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Objective:

To address correspondence regarding the incidence, aetiology, and outcomes of ventilator-associated pneumonia (VAP) in Europe, specifically responding to inquiries raised by Ignacio Martin-Loeches and Luis Felipe Reyes.

Approach:
    Key Findings:
    • Gram-negative pathogens are the most common cause of VAP, with S. aureus being the most prevalent species in the POS-VAP cohort.
    • The proportion of P. aeruginosa VAP varies by region, with higher rates observed in South American cohorts compared to European ones.
    • Patient demographics, including age, sex, and comorbidities, influence the incidence and type of pathogens causing VAP.
    • Differences in pathogen distribution exist between early and late VAP cases, with S. aureus predominating in early cases.
    Interpretation:

    The findings highlight the complexity of VAP aetiology and the importance of region-specific epidemiological data.

    Limitations:
    • Variability in VAP definitions and diagnostic criteria across studies may affect comparability.
    • The study's focus on first VAP episodes may not represent the full spectrum of VAP cases in ICU settings.
    Conclusion:

    Understanding regional and demographic variations in VAP pathogens is essential for effective management.

    Sources:

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