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"Bundle" Practices and Ventilator-Associated Events: Not Enough.

John C O'Horo1, Haitao Lan2, Charat Thongprayoon2

  • 11Division of Infectious Diseases,Department of Medicine,Mayo Clinic,Rochester,Minnesota,United States.

Infection Control and Hospital Epidemiology
|September 20, 2016
PubMed
Summary
This summary is machine-generated.

Ventilator bundle practices may not effectively prevent ventilator-associated events (VAEs). Only oral care showed a significant reduction in VAE risk, while other interventions had questionable or increased impact.

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Area of Science:

  • Critical Care Medicine
  • Hospital Epidemiology
  • Infection Control

Background:

  • Ventilator-associated events (VAEs) are significant healthcare-associated infections linked to increased length of stay, costs, and mortality.
  • Current ventilator bundle practices are primarily based on older definitions of ventilator-associated pneumonia and require evaluation for their effectiveness against VAEs.

Purpose of the Study:

  • To retrospectively evaluate the impact of specific ventilator bundle elements on the incidence of ventilator-associated events (VAEs).
  • To assess the association between stress ulcer prophylaxis, deep vein thrombosis (DVT) prophylaxis, oral care, and sedation breaks with VAE occurrence.

Main Methods:

  • Retrospective cohort study involving adult patients requiring mechanical ventilation for at least 24 hours.
  • Univariate analyses were performed for compliance with ventilator bundle elements.
  • Cox proportional hazard models were used to assess the effect of interventions on VAEs, adjusting for APACHE III scores and gender.

Main Results:

  • The study included 2,660 patients and 16,858 ventilator days, with 77 VAEs identified.
  • Oral care was significantly associated with a reduced risk of VAEs (HR, 0.44; 95% CI, 0.26-0.77).
  • Deep vein thrombosis prophylaxis and sedation breaks showed no significant impact on VAEs, while stress ulcer prophylaxis trended towards an increased VAE risk (HR, 1.59; 95% CI, 1.00-2.56).

Conclusions:

  • Existing ventilator bundle practices may not be optimally designed to prevent ventilator-associated events (VAEs).
  • Oral care is a critical component in VAE prevention.
  • The impact of deep vein thrombosis prophylaxis and sedation breaks on VAEs is uncertain, and stress ulcer prophylaxis may potentially increase VAE risk.