Reducing the rare event: lessons from the implementation of a ventilator bundle.

Area of Science:

• Critical Care Medicine
• Healthcare Quality Improvement
• Patient Safety

Background:

• Ventilator-associated events (VAEs) are preventable complications of mechanical ventilation (MV) linked to adverse patient outcomes.
• High VAE rates at VA Greater Los Angeles (GLA) prompted a quality improvement initiative.
• The initiative aimed to reduce average MV duration for acute respiratory failure patients to under 3 days.

Purpose of the Study:

• To decrease the incidence of VAEs by reducing the duration of mechanical ventilation.
• To implement and evaluate the effectiveness of updated ventilator bundle order sets and spontaneous breathing trial protocols.

Main Methods:

• Two interventions were implemented: initial training on an existing ventilator bundle and an updated order set with nurse/respiratory therapist-driven spontaneous awakening trial (SAT) and spontaneous breathing trial (SBT) protocols.
• Data on SAT and SBT orders, MV duration, and bedside audits were collected.
• Statistical process control charts were used to analyze changes in MV duration.

Main Results:

• The proportion of eligible patients with SAT and SBT orders significantly increased after interventions.
• Mean MV duration decreased from 7.2 days at baseline to 4.7 days in the second intervention period (p=0.049).
• Respiratory therapists consistently performed SBTs, but SAT protocol adoption was limited by staff concerns.

Conclusions:

• Implementing improved ventilator protocols and spontaneous breathing trials can reduce mechanical ventilation duration.
• Quality improvement efforts targeting rare events like VAEs face implementation and evaluation challenges.
• Consideration of event frequency and staff acceptance is crucial for successful quality improvement interventions.