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Sleep Apnea in Maintenance Hemodialysis: A Mixed-Methods Study
Ginger Chu1,2,3,4, Emma Price1, Gemma M Paech5,6
1Department of Nephrology, Medical and Interventional Services, John Hunter Hospital, Hunter New England Local Health District New South Wales, Australia.
Kidney Medicine
|August 11, 2020
Summary
Sleep apnea significantly disrupts sleep quality and daily functioning in hemodialysis patients, even if its severity doesn't correlate with sleep duration or daytime sleepiness. Routine assessment of broken and unrefreshed sleep is crucial for improving quality of life.
Area of Science:
- Nephrology
- Sleep Medicine
- Cardiovascular Research
Background:
- Over 50% of hemodialysis patients experience sleep disturbances.
- Sleep apnea is common in hemodialysis patients, yet its impact on their sleep and overall experience remains under-evaluated.
Purpose of the Study:
- To evaluate how sleep apnea affects sleep and the patient experience in individuals undergoing maintenance hemodialysis.
Main Methods:
- A mixed-methods approach combining cross-sectional observational and qualitative descriptive studies.
- In-laboratory polysomnography and Epworth Sleepiness Scale for objective and subjective sleep assessment.
- Semi-structured interviews explored patient experiences with sleep apnea and hemodialysis.
Main Results:
- Sleep apnea severity did not correlate with sleep duration, efficiency, or daytime sleepiness scores.
- Patients reported "broken sleep" characterized by frequent waking and dozing, often due to pain and dialysis.
- Significant impacts on physical, mental, and self-management capacity were reported, with patients needing strategies to "soldier on".
Conclusions:
- While sleep apnea severity may not directly impact sleep duration or daytime sleepiness, it profoundly disturbs sleep quality in hemodialysis patients.
- Broken and unrefreshed sleep are dominant symptoms that require routine assessment.
- Identifying and managing sleep apnea is vital for improving the quality of life for patients with chronic kidney disease undergoing hemodialysis.
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