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Circadian Disruption in Critical Illness.
Aesha M Jobanputra1, Matthew T Scharf1,2, Ioannis P Androulakis3,4,5
1Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States.
Frontiers in Neurology
|August 28, 2020
Summary
Circadian rhythms are crucial for bodily functions and recovery but are frequently disrupted in intensive care unit (ICU) patients. Restoring these natural rhythms may improve outcomes for critically ill individuals.
Area of Science:
- Physiology
- Critical Care Medicine
- Sleep Science
Background:
- Circadian rhythms are fundamental to metabolic, hormonal, and immunologic functions.
- These internal biological clocks are often disrupted in patients within the intensive care unit (ICU).
- Disrupted circadian rhythms can impair the body's response to injury and illness, potentially hindering recovery.
Purpose of the Study:
- To highlight the significance of circadian rhythms in patient recovery.
- To identify factors contributing to circadian disruption in the ICU.
- To propose the normalization of circadian rhythmicity as a potential therapeutic strategy in critical care.
Main Methods:
- Review of existing literature on circadian biology and ICU patient care.
- Analysis of factors influencing circadian rhythmicity in hospital settings.
- Discussion of the potential impact of circadian disruption on patient outcomes.
Main Results:
- ICU environments frequently disrupt circadian rhythms due to factors like abnormal lighting, noise, and altered schedules.
- These disruptions can negatively affect the molecular responses to critical illness.
- Altered circadian rhythmicity is linked to patient outcomes in the ICU.
Conclusions:
- Circadian rhythm disruption is a common issue in ICUs, influenced by environmental and care-related factors.
- Normalizing circadian rhythmicity in critically ill patients may be a crucial, yet often overlooked, aspect of intensive care.
- Further research and clinical interventions targeting circadian health in the ICU are warranted.
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