Sustainable reduction in sound levels on intensive care units through noise management - an implementation study
2025

Reducing Noise Levels in Intensive Care Units

Sample size: 3 publication 10 minutes Evidence: moderate

Author Information

Author(s): Witek Sandra, Schmoor Claudia, Montigel Fabian, Grotejohann Birgit, Ziegler Sven

Primary Institution: Medical Center - University of Freiburg

Hypothesis

Can a bundle of interventions sustainably reduce noise levels in intensive care units?

Conclusion

The study found that while noise levels in intensive care units were reduced after implementing a noise management intervention, the clinical relevance of this reduction is questionable.

Supporting Evidence

  • Noise levels in intensive care units often exceed recommended limits.
  • High noise levels can negatively impact patient recovery and staff performance.
  • The intervention led to a significant reduction in sound levels in one of the ICUs.

Takeaway

This study tried to make hospitals quieter for patients by using special tools and strategies, but it didn't work as well as hoped.

Methodology

The study used a pre-post design to evaluate the effectiveness of a noise management intervention in three different intensive care units.

Potential Biases

Potential bias due to the involvement of ICU staff in planning and implementing noise management measures.

Limitations

The study could not fully assess the implementation of noise management due to various factors, including staff involvement and technical issues.

Participant Demographics

Participants included patients and staff from three different intensive care units: anesthesiology, neonatal, and neurological.

Statistical Information

P-Value

0.034

Confidence Interval

[0.06, 1.49]

Statistical Significance

p=0.034

Digital Object Identifier (DOI)

10.1186/s12913-024-12059-9

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