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Benefits of Quiet Time for Neuro-Intensive Care Patients

Dennis, Christina M.; Lee, Robert; Woodard, Elizabeth Knowles; Szalaj, Jeffery J.; Walker, Catrice A.

Journal of Neuroscience Nursing:
doi: 10.1097/JNN.0b013e3181e26c20
Article
Abstract

ABSTRACT: The primary mission of any intensive care unit (ICU) is to provide critically ill patients with high-quality care and an atmosphere in which to recuperate. However, all too often, the intensive environment, which is often busy, chaotic, and noisy, may contribute to just the opposite. Patients overstimulated with noise, lights, and other distractions often suffer from sleep deprivation. Research in medicine and nursing has shown that sleep deprivation can have detrimental effects on an ailing patient. Therefore, a quiet time program was developed in the neuro-ICU to reduce noise and light levels, with the ultimate goal to allow sleep. Quiet time, a period of reduced controllable noise and light, took place twice daily coinciding with circadian rhythms. The study included 50 neuro-ICU patients, 35 observed during day hours and 15 observed during night hours. Noise and light levels were measured at multiple locations before, during, and after quiet time hours. Patients' sleep behavior was recorded every half hour, beginning 1/2 hour before quiet time until 30 minutes after. Analysis of data, adjusted for multiple testing and repeated measures on patients, demonstrated significantly lower noise and light levels during day shift quiet time. In addition, patients were significantly more likely to be observed sleeping during day shift quiet time hours.

Author Information

Christina M. Dennis, MSN APRN RN CCRN, is a neuroscience clinical nurse specialist at the Adult Acute Care Nursing Services, WakeMed Health and Hospitals, Raleigh, NC.

Elizabeth Knowles Woodard, PhD MSN, is director of Nursing Research and Evidence-Based Practice, WakeMed Health and Hospitals, Raleigh, NC.

Jeffery J. Szalaj, BSN RN, is a staff nurse at the Neuro-Intensive Care Unit, WakeMed Health and Hospitals, Raleigh, NC.

Catrice A. Walker, BSN RN, is a clinical educator and nursing supervisor at the Neuro-Intensive Care Unit, WakeMed Health and Hospitals, Raleigh, NC.

Questions or comments about this article may be directed to Robert Lee, MS MA, at rolee@wakemed.org. He is a research associate at the Clinical Research Unit, Emergency Services Institute, WakeMed Health and Hospitals, Raleigh, NC.

© 2010 American Association of Neuroscience Nurses