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Department of Clinical Neuroscience, Umea University
Hospital, Sweden
Correspondence to: Dr Bo Kristensen, Department of Clinical Neuroscience, University Hospital, S-901 85 Umea, Sweden. Telephone 0046 90 7852376; fax 0046 90 143107; email Bo.Kristensen{at}neuro.umu.se
Received 18 November
1997 and in revised form 8 April 1998;
Accepted 16 April
1998
OBJECTIVES
To examine sleep disordered breathing
including obstructive sleep apnoea in patients with idiopathic adult
hydrocephalus syndrome (IAHS) and to study the effects of CSF drainage
and shunting procedure on sleep disordered breathing.
METHODSIn 17 patients with IAHS polysomnographic
investigations were performed before and after lumbar CSF drainage and
after shunt operation.
RESULTSBaseline investigations documented a high
prevalence of sleep related obstructive respiratory events (respiratory
disturbance index >10 in 65% of the patients) and impaired sleep
structure. There was no correlation between respiratory disturbance
index and CSF pressure. Minimum oxygen saturation was highly correlated with cognitive function. Neither lumbar CSF drainage nor shunting alleviated the respiratory disturbance index. REM and delta sleep increased initially after shunting but there was no sustained effect on
sleep quality.
CONCLUSIONSSleep disordered breathing is a
prevalent finding in patients with IAHS. The shortcoming of CSF
drainage to improve sleep disordered breathing either transiently or
permanently implies that sleep disordered breathing is a coexistent
condition, or an irreversible consequence of the hydrocephalus, with a
potential of causing additional dysfunction in IAHS.
This article has been cited by other articles:
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  A Agren-Wilsson, M Roslin, A Eklund, L-O D Koskinen, A T Bergenheim, and J Malm Intracerebral microdialysis and CSF hydrodynamics in idiopathic adult hydrocephalus syndrome J. Neurol. Neurosurg. Psychiatry, February 1, 2003; 74(2): 217 - 221. [Abstract] [Full Text] [PDF]
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 J. Malm, B. Kristensen, B. Stegmayr, M. Fagerlund, and L.-O. Koskinen Three-year survival and functional outcome of patients with idiopathic adult hydrocephalus syndrome Neurology, August 22, 2000; 55(4): 576 - 578. [Abstract] [Full Text] [PDF]
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