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Sleep apnoea in the Prader-Willi syndrome
1University Department of Neurology, King's College School of Medicine and Dentistry and Institute of Psychiatry, London.
Journal of Sleep Research
|June 1, 1994
Summary
Excessive daytime sleepiness affects two-thirds of individuals with Prader-WWilli syndrome, often linked to central sleep issues. Obstructive sleep apnea can worsen sleepiness, especially in obese patients.
Area of Science:
- Neurology
- Sleep Medicine
- Genetics
Background:
- Prader-Willi syndrome (PWS) is a complex genetic disorder.
- Sleep disturbances are common in PWS but not fully understood.
- Excessive daytime sleepiness (EDS) significantly impacts quality of life in PWS patients.
Purpose of the Study:
- To investigate the prevalence and nature of sleep disturbances in children and young adults with PWS.
- To identify the underlying causes of excessive daytime sleepiness in this population.
- To evaluate the effectiveness of continuous positive airway pressure (CPAP) for sleep apnea in PWS.
Main Methods:
- Polysomnography was used to assess sleep structure and respiratory events.
- Epworth Sleepiness Scale and sleep latency measures quantified daytime sleepiness.
- Continuous positive airway pressure (CPAP) was trialed in subjects with symptomatic sleep apnea.
Main Results:
- 12 out of 17 subjects reported excessive daytime sleepiness.
- Polysomnography revealed sleep structure abnormalities and frequent apneas in most subjects.
- CPAP treatment improved EDS in 3 out of 5 obese subjects who tolerated it.
Conclusions:
- Excessive daytime sleepiness is highly prevalent in Prader-Willi syndrome, primarily of central origin.
- Obstructive sleep apnea, particularly in obese individuals, can exacerbate sleepiness.
- Targeted sleep interventions may improve outcomes for PWS patients with sleep disorders.