• Sophia Wang, Jared W Meeker, Anthony J Perkins, Sujuan Gao, Sikandar H Khan, Ninotchka L Sigua, Shalini Manchanda, Malaz A Boustani, and Babar A Khan.
• Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN 46202 USA, sophwang@iupui.edu.
• Int J Gen Med. 2019 Jan 1; 12: 125-130.

BackgroundSleep disturbances in critically ill patients are associated with poorer long-term clinical outcomes and quality of life. Studies are needed to better characterize associations and risk factors for persistent sleep disturbances after intensive care unit (ICU) discharge. Psychiatric disorders are frequently associated with sleep disturbances, but the role of psychiatric symptoms in sleep disturbances in ICU survivors has not been well-studied.ObjectiveTo examine the association between psychiatric symptoms and sleep disturbances in ICU survivors.Methods112 adult ICU survivors seen from July 2011 to August 2016 in the Critical Care Recovery Center, an ICU survivor clinic at the Eskenazi Hospital in Indianapolis, IN, USA, were assessed for sleep disturbances (insomnia, hypersomnia, difficulty with sleep onset, difficulty with sleep maintenance, and excessive daytime sleepiness) and psychiatric symptoms (trauma-related symptoms and moderate to severe depressive symptoms) 3 months after ICU discharge. A multivariate logistic regression model was performed to examine the association between psychiatric symptoms and sleep disturbances. Analyses were controlled for age, hypertension, history of depression, and respiratory failure.ResultsICU survivors with both trauma-related and depression symptoms (OR 16.66, 95% CI 2.89-96.00) and trauma-related symptoms alone (OR 4.59, 95% CI 1.11-18.88) had a higher likelihood of sleep disturbances. Depression symptoms alone were no longer significantly associated with sleep disturbances when analysis was controlled for trauma-related symptoms.ConclusionTrauma-related symptoms and trauma-related plus moderate to severe depressive symptoms were associated with a higher likelihood of sleep disturbances. Future studies are needed to determine whether psychiatric symptoms are associated with objective changes on polysomnography and actigraphy and whether adequate treatment of psychiatric symptoms can improve sleep disturbances.

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