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Published in: Sleep and Biological Rhythms 4/2017

01-10-2017 | Short Paper

Brain microstructural alterations in patients with severe obstructive sleep apnea: a preliminary diffusion tensor imaging study

Authors: Masaki Nakamura, Mariko Yanagihara, Kentaro Matsui, Mina Kobayashi, Yuichi Inoue

Published in: Sleep and Biological Rhythms | Issue 4/2017

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Abstract

We applied a neuroimaging analysis to investigate the association between neurocognitive decline and brain structural changes in patients with OSAS. Nineteen male patients with severe OSAS were enrolled. Correlations between sleep-breathing indices and microstructural changes were analyzed. SpO2 was positively correlated with ADC, FA, and white matter volumes in frontal areas, cingulate, anterior cerebellar lobe, and pons. A positive correlation with gray matter volume was identified in the bilateral parahippocampal gyri. Neurocognitive decline also correlated with minimum SpO2 value. Intermittent hypoxia in OSAS may cause microstructural axonal changes. These alterations may underlie executive dysfunction in OSAS.
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Metadata
Title
Brain microstructural alterations in patients with severe obstructive sleep apnea: a preliminary diffusion tensor imaging study
Authors
Masaki Nakamura
Mariko Yanagihara
Kentaro Matsui
Mina Kobayashi
Yuichi Inoue
Publication date
01-10-2017
Publisher
Springer Japan
Published in
Sleep and Biological Rhythms / Issue 4/2017
Print ISSN: 1446-9235
Electronic ISSN: 1479-8425
DOI
https://doi.org/10.1007/s41105-017-0113-y

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