Sleep Clinical Trial
Official title:
The Impact of Overnight Nutrition Support on Sleep and Circadian Rhythm Disruption in the ICU
The purpose of this study is to determine whether modifying the timing of nutrition support from overnight to daytime enhances sleep quality, preserves circadian rhythms, and improves overall inflammation and cardiometabolic profiles in postoperative patients in the cardiac surgical ICU on enteral nutrition.
Intensive care unit (ICU) environments do not support sleep or preserve circadian rhythms of postoperative critically ill patients. Among the contributing factors is the common practice of administering nutrition support through feeding tubes overnight. The overall objective of the study is to examine a novel dimension of clinical nutrition by determining whether enhancing sleep quality and preserving robust circadian rhythms through daytime instead of overnight feeds will attenuate inflammation and improve cardiometabolic profiles of postoperative cardiac ICU patients on nutrition support. The investigators hypothesize that overnight nutrition support results in fragmented sleep and blunted circadian rhythms and thus represent a modifiable mechanism exacerbating inflammation and cardiometabolic derangements in postoperative cardiac patients. Results of this study will help in the development of evidence-based, cost-efficient, and effective enteral nutrition timing countermeasures against fragmented sleep, disrupted circadian rhythms, inflammation and cardiometabolic derangements and potentially modify the current widespread practice of overnight nutrition likely affecting 250,000 hospital admissions annually in the United States. ;
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