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Multidisciplinary quality improvement initiative to reduce ventilator-associated tracheobronchitis in the PICU
Jennifer A Muszynski1, James Sartori, Lisa Steele
1Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, USA. jennifer.muszynski@nationwidechildrens.org
Insights
Implementing a care bundle significantly reduced ventilator-associated tracheobronchitis in a pediatric ICU. This intervention improved patient outcomes, decreasing the incidence of this serious respiratory infection.
Area of Science:
- Critical Care Medicine
- Infectious Disease Prevention
- Pediatric Hospital Epidemiology
Background:
- Nosocomial airway infections, including ventilator-associated tracheobronchitis (VAT), pose significant risks to pediatric intensive care unit (PICU) patients.
- Effective strategies are needed to reduce the incidence of VAT and improve patient outcomes.
Purpose of the Study:
- To evaluate the impact of a care bundle on the incidence of ventilator-associated tracheobronchitis in a PICU.
- To determine if VAT is associated with adverse patient outcomes.
Main Methods:
- A prospective, pre- and post-interventional study was conducted in a PICU.
- Patients requiring invasive mechanical ventilation for ≥48 hours were included.
- A multidisciplinary, unit-wide care bundle was implemented to prevent ventilator-associated airway infections.
Main Results:
- The incidence of VAT decreased from 3.9 to 1.8 cases per 1,000 ventilator days post-intervention (p=0.04).
- Patients with VAT experienced significantly fewer ventilator-free and ICU-free days.
- These associations remained significant after multivariable regression analysis.
Conclusions:
- Successful implementation of the care bundle led to a significant reduction in VAT incidence.
- VAT independently correlated with poorer outcomes, including prolonged mechanical ventilation and ICU stay.
- The findings support the use of care bundles to prevent VAT in pediatric ICUs.
Objective:
To test the hypothesis that successful implementation of a care bundle designed to prevent nosocomial airway infection will be associated with decreased incidence of ventilator-associated tracheobronchitis.
Design:
Prospective pre- and post interventional.
Setting:
PICU at an academic medical center
Patients:
: All patients admitted to the PICU who received invasive mechanical ventilation for greater than or equal to 48 hours between March 1, 2009, and December 31, 2011.
Intervention:
Multidisciplinary, unit wide implementation of an evidence-based care bundle to prevent ventilator-associated airway infection.
Measurements And Main Results:
There were 725 patients included in the analysis (338 patients preintervention and 387 patients postintervention). Baseline ventilator-associated tracheobronchitis rate in the preintervention period was 3.9 cases per 1,000 ventilator days compared with 1.8 cases per 1,000 ventilator days postintervention (p = 0.04, Fisher exact test). Compared with patients without ventilator-associated tracheobronchitis or ventilator-associated pneumonia, patients with ventilator-associated tracheobronchitis had fewer ventilator-free days in 28 days (4.9 vs 22; p < 0.0001, Mann-Whitney U test) and fewer ICU-free days in 28 days (0.5 vs 19; p < 0.0001, Mann-Whitney U test). These relationships remained significant after adjusting for covariates by multivariable linear regression.
Conclusions:
Successful implementation of a care bundle to prevent ventilator-associated infection was associated with decreased incidence of ventilator-associated tracheobronchitis. Development of ventilator-associated tracheobronchitis was independently associated with adverse outcomes in our cohort of pediatric ICU patients.
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