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Saudi Journal of Kidney Diseases and Transplantation
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Year : 2010  |  Volume : 21  |  Issue : 2  |  Page : 300-305
Sleep disorders in hemodialysis patients


1 Mansoura Urology and Nephrology Center, Mansoura University, Egypt
2 Menuifiya University Faculty of Medicine, Tanta University, Egypt
3 Thoracic Medicine Department (Sleep-Disordered Breathing Unit), Mansoura University, Egypt
4 Department of Internal medicine, Division of nephrology, Tanta University, Egypt

Correspondence Address:
Alaa A Sabry
Assistant Professor of Nephrology, Mansoura Urology and Nephrology Center, Mansoura University
Egypt
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PMID: 20228517

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The prevalence of sleep disorders is higher in patients with kidney failure than the general population. We studied the prevalence of sleep disorders in 88 (mean age; 41.59 ± 16.3 years) chronic hemodialysis (HD) patients at the Urology and Nephrology Center, Mansoura Uni­versity, Egypt over 4-month period. The investigated sleep disorders included insomnia, restless leg syndrome (RLS), obstructive sleep apnea syndrome (OSAS), excessive daytime sleepiness (EDS), narcolepsy and sleep walking, and we used a questionnaire in accordance with those of the International Restless Legs Syndrome Study Group, the Berlin questionnaire, Italian version of Epworth Sleepiness Scale, International Classification of Sleep Disorders, and the specific ques­tions of Hatoum's sleep questionnaire. The prevalence of sleep disorders was 79.5% in our pa­tients, and the most common sleep abnormality was insomnia (65.9%), followed by RLS (42%), OSAS (31.8%), snoring (27.3%), EDS (27.3%), narcolepsy (15.9%), and sleep walking (3.4%). Insomnia correlated with anemia (r=0.31, P= 0.003), anxiety (r=0.279, P= 0.042), depression (r=0.298, P= 0.24) and RLS (r=0.327, P= 0.002). Also, RLS correlated with hypoalbuminemia (r=0.41, P= < 0.0001), anemia (r=0.301 and P= 0.046), hyperphosphatemia (r=0.343 and P= 0.001). EDS correlated with OSAS (r=0.5, P= < 0.0001), snoring (r=0.341, P= 0.001), and social worry (r=0.27, P= 0.011). Sleep disorders are quite common in the HD patients, especially those who are anemic and hypoalbuminemic. Assessment of sleep quality, preferably with polysomno­graphy, is necessary to confirm our results. Interventional studies for management of sleep disor­ders in HD patients are warranted.


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