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Abstract Title:

Disruption of circadian rhythms and sleep in critical illness and its impact on the development of delirium.

Abstract Source:

Curr Pharm Des. 2015 Jul 6. Epub 2015 Jul 6. PMID: 26144937

Abstract Author(s):

Benjamin K Scott

Article Affiliation:

Benjamin K Scott

Abstract:

Delirium is a common and morbid complication of hospitalization, particularly in the setting of critical illness and intensive care unit (ICU) admission. Critical illness involves a host of acute metabolic, hormonal and inflammatory responses that appear to disrupt normal sleep architecture and precipitate cerebral dysfunction. The intervention-heavy environment of the ICU further disrupts normal circadian rhythms and increases delirium risk. Despite strong evidence for correlation of sleep disruption, critical illness and delirium, causal relationships remain difficult to prove. Delirium is almost certainly a multifactorial condition. This article reviews proposed pathophysiologic mechanisms and potential therapeutic targets. In the absence of definitive pharmacologic therapy, interventions prioritizing maintenance of normal circadian, sleep, and behavioral patterns have shown promise in delirium risk reduction.

Study Type : Review

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Sayer Ji
Founder of GreenMedInfo.com

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