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Decreasing Pediatric PACU Noise Level and Alarm Fatigue: A Quality Improvement Initiative to Improve Safety and
Maria Cvach1, Peter Doyle2, Sereniti Young Wong3
1Department of Integrated Healthcare Delivery, Johns Hopkins Health System, Baltimore, MD.
Insights
A pediatric postanesthesia care unit reduced monitor alarms by over 50% using bundled interventions. Despite no measurable change in noise levels, staff reported a quieter, improved work environment, highlighting the impact of alarm reduction on perceived noise.
Area of Science:
- Healthcare Management
- Patient Safety
- Environmental Acoustics
Background:
- High noise levels in pediatric postanesthesia care units (PACUs) can negatively impact patient recovery and staff well-being.
- Effective strategies are needed to mitigate noise and enhance the work environment in critical care settings.
Purpose of the Study:
- To evaluate a two-phased bundled intervention aimed at reducing noise and improving staff perceptions in a pediatric PACU.
- To assess the impact of interventions on objective noise measurements and subjective staff experiences.
Main Methods:
- A pre-post design was employed to measure sound levels and monitor alarms before and after intervention implementation.
- Nursing staff were surveyed pre- and post-intervention to gauge perceptions of the work environment.
- Interventions focused on bundled strategies to reduce unit noise.
Main Results:
- Monitor alarms decreased by over 50% following Phase I of the intervention.
- Objective noise measurements did not show a significant difference in sound levels between baseline and intervention phases.
- Despite objective findings, nursing staff reported a significantly quieter and more pleasant work environment.
Conclusions:
- Reducing monitor alarms, even without measurable changes in overall sound levels, can lead to improved staff perceptions of the unit's quietness.
- Subjective expectations and the reduction of nuisance alarms may contribute to perceived improvements in the work environment.
- This study suggests that focusing on specific noise sources, like alarms, can positively influence staff experience in PACUs.
Purpose:
To describe how a pediatric postanesthesia care unit used a two-phased approach of bundled interventions to reduce unit noise levels and improve staff perceptions of their work environment.
Design:
Pre/post design.
Methods:
Postanesthesia care unit sound levels and monitor alarms were measured at baseline and after implementing both project phases. Nursing staff members were surveyed at baseline and after completion of the project.
Findings:
Monitor alarms were reduced by more than 50% after Phase I. However, noise measurement data did not reflect a difference in sound levels between baseline and intervention phases. Despite this, staff perceived the unit as much quieter.
Conclusions:
The reduction in monitor alarms did not cause an appreciable change in sound levels as measured by noise dosimeters in either intervention phase. Despite these findings, nurses perceived a quieter and more pleasant workplace. These impressions might have resulted from subjective expectations versus actual volume levels, or they might owe to the reduction in incidence of alarms themselves, which they had viewed as nuisance sounds.
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