NDT Advance Access originally published online on September 11, 2008
Nephrology Dialysis Transplantation 2009 24(1):8-14; doi:10.1093/ndt/gfn510
© The Author [2008]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Obstructive sleep apnoea: clinical signs, diagnosis and treatment
Uwe Kuhlmann1,
Felix Georg Bormann1 and
Heinrich Friedrich Becker2
1 Philipps-Universität Marburg, Klinik für Innere Medizin, SP Nephrologie, Baldingerstrasse, 35033 Marburg
2 AK Barmbek, Pneumologie und Internistische Intensivmedizin, Rübenkamp 220, 22291 Hamburg, Germany
Uwe Kuhlmann, Center of Internal Medicine, Department of Nephrology Philipps University Marburg, 35033, Marburg, Germany. Tel: +49-06421-28-63786; Fax: +49-06421-28-66365; E-mail: kuhlmann@med.uni-marburg.de
Keywords: chronic kidney disease; sleep; sleep apnoea; sleep disorders
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Normal and disturbed sleep
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Humans spend one-third of their lifetime sleeping. It has only
been

50 years since it was recognized that sleep is not simply
a passive state characterized by the absence of wakefulness,
but rather a condition that has a typical structure with electrophysiologically,
clearly distinguishable phases that follow one another according
to a characteristic pattern in healthy subjects. Using electroencephalogram
(EEG), electrooculogram (EOG) and electromyogram (EMG), sleep
is classified as rapid eye movement (REM) sleep or one of four
different non-REM sleep stages. Altogether, one spends

20–25%
of the total sleep time in deep sleep and REM sleep, respectively,
and

50% in light sleep. After the age of 50, the percentage
of deep and REM sleep decreases, whereas light sleep and periods
of wakefulness during the night increases.
During the night, 4–6 sleep cycles are completed lasting 70–90 min and consisting of an initial period of light sleep, followed by deep . . . [Full Text of this Article]
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Breathing during sleep and sleep-disordered breathing
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Sleep apnoea
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Symptoms suggestive of sleep apnoea
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Obstructive sleep apnoea and cardiovascular diseases
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Sleep apnoea and chronic kidney disease
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Diagnostic procedures
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Interventions with obstructive sleep-related breathing disorder (SRBD)
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General measures
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Therapy with positive ventilation pressure
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BiPAP, PPAP and automatic nCPAP
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Risks and side effects
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Effects
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