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Related Experiment Video

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Pilot study: an intensive care unit sleep promotion protocol.

Melissa P Knauert1, Margaret Pisani1, Nancy Redeker2

  • 1Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA.

BMJ Open Respiratory Research
|July 2, 2019
PubMed
Summary

A new sleep promotion protocol in intensive care units (ICUs) significantly reduced overnight in-room activity and noise. This intervention offers a promising strategy to improve sleep opportunities for critically ill patients.

Keywords:
critical illnessdeliriumintensive care unitlightlux and sleepsound

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Area of Science:

  • Critical Care Medicine
  • Sleep Science
  • Patient Experience

Background:

  • Sleep disruption is common in intensive care units (ICUs) due to factors like in-room activity and noise.
  • These disturbances negatively impact critically ill patients' recovery and well-being.
  • Identifying modifiable factors is crucial for improving ICU patient outcomes.

Purpose of the Study:

  • To evaluate the effectiveness of an intensive care unit (ICU) sleep promotion protocol.
  • To assess the protocol's impact on overnight in-room disturbances, including activity, sound, and light.

Main Methods:

  • A sleep promotion protocol was implemented, restricting non-urgent bedside care between 00:00 and 03:59.
  • Patients were divided into two groups: usual care (n=30) and the sleep protocol (n=26).
  • In-room activity, sound, and light levels were compared between groups during baseline and rest periods using generalized linear models.

Main Results:

  • The sleep protocol group experienced a 32% reduction in room entries and 9.1 fewer minutes of in-room activity during the restricted rest period.
  • The time between room entries increased significantly in the sleep protocol group (26.4 to 45.8 min).
  • Mean A-weighted sound levels decreased by 2.5 decibels, with 36% fewer peaks; light levels remained unchanged.

Conclusions:

  • Sleep promotion protocols can effectively decrease in-room activity and sound disturbances in ICUs.
  • Implementing such protocols can create a more conducive sleep environment for critically ill patients.
  • Improved sleep in the ICU setting holds potential for enhanced patient recovery.