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Relationship between sleep and cognitive function in patients with heart failure: A systematic review
Liya Tang1, Wenping Liu2, Yuhang Yang1
1School of Nursing, Jilin University, Changchun, China.
Journal of Psychosomatic Research
|January 10, 2020
Summary
This systematic review explores sleep and cognitive function in heart failure patients. While some studies show a link between poor sleep and cognitive decline, others found no significant association, highlighting the need for more research.
Area of Science:
- Cardiology
- Neurology
- Sleep Medicine
Background:
- Heart failure (HF) is a complex condition impacting multiple physiological systems.
- Cognitive dysfunction is a common comorbidity in heart failure patients.
- The role of sleep disturbances in heart failure-related cognitive impairment requires further elucidation.
Purpose of the Study:
- To systematically review and synthesize existing evidence on the relationship between sleep and cognitive function in patients with heart failure.
- To identify potential associations between sleep quality, insomnia, and cognitive performance in this population.
Main Methods:
- A comprehensive literature search was performed across major scientific databases including Embase, PubMed, Web of Science, CINAHL, PsychINFO, Cochrane Library, CNKI, and Wan Fang.
- Seven studies, encompassing a total of 1218 heart failure patients, were included in this systematic review.
Main Results:
- Inconsistent findings were reported regarding the association between sleep and cognitive function in heart failure patients.
- Five studies indicated a significant relationship between sleep quality and insomnia with cognitive function, including global cognition, attention, and executive function.
- Two studies found no statistically significant relationship between sleep parameters and cognitive performance.
Conclusions:
- The current evidence is limited, but this review suggests potential for identifying heart failure patients at high risk for cognitive decline based on sleep disturbances.
- Further longitudinal studies are necessary to definitively confirm the relationship between sleep and cognitive function in heart failure.
- Understanding this relationship may lead to targeted interventions to mitigate cognitive decline in heart failure management.
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