PURPOSE: Although it is generally recognized that poor sleep is common in the intensive care unit (ICU), it is still unclear which interventions can effectively improve sleep in this setting. In this review, we critically analyze the various pharmacological and non-pharmacological measures that have been proposed to tackle this problem. METHODS: A search of MEDLINE/PubMed, SciELO, and the Brazilian Virtual Library in Health (LILACS and BNDEF) databases was performed. Results were reviewed and 41 articles on pharmacological and non-pharmacological interventions to promote sleep in ICU were analyzed. RESULTS: Non-pharmacological interventions including eye mask and earplugs, bundles to reduce noise and lighting, and organization of patient care were shown to improve subjective and objective sleep quality, although the level of evidence was considered low. Assist-control ventilation was associated with a greater objective sleep quality than spontaneous modes, such as pressure support ventilation and proportional assist ventilation. Among pharmacological interventions, a moderate level of evidence was found for oral melatonin, with increases in both objective and subjective sleep quality. Continuous nocturnal infusion of dexmedetomidine was reported to increase sleep efficiency and favorably modify the sleep pattern, although evidence level was moderate to low. CONCLUSIONS: Several non-pharmacological and pharmacological measures can be helpful to improve sleep in critical patients. Further high-quality studies are needed to strengthen the evidence base.
PURPOSE: Although it is generally recognized that poor sleep is common in the intensive care unit (ICU), it is still unclear which interventions can effectively improve sleep in this setting. In this review, we critically analyze the various pharmacological and non-pharmacological measures that have been proposed to tackle this problem. METHODS: A search of MEDLINE/PubMed, SciELO, and the Brazilian Virtual Library in Health (LILACS and BNDEF) databases was performed. Results were reviewed and 41 articles on pharmacological and non-pharmacological interventions to promote sleep in ICU were analyzed. RESULTS: Non-pharmacological interventions including eye mask and earplugs, bundles to reduce noise and lighting, and organization of patient care were shown to improve subjective and objective sleep quality, although the level of evidence was considered low. Assist-control ventilation was associated with a greater objective sleep quality than spontaneous modes, such as pressure support ventilation and proportional assist ventilation. Among pharmacological interventions, a moderate level of evidence was found for oral melatonin, with increases in both objective and subjective sleep quality. Continuous nocturnal infusion of dexmedetomidine was reported to increase sleep efficiency and favorably modify the sleep pattern, although evidence level was moderate to low. CONCLUSIONS: Several non-pharmacological and pharmacological measures can be helpful to improve sleep in critical patients. Further high-quality studies are needed to strengthen the evidence base.
Entities:
Keywords:
Circadian rhythm; Intensive care units; Sleep; Sleep deprivation; Sleep wake disorders
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