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Arq Neuropsiquiatr. 2008 Jun;66(2B):344-9.

Sleep apnea and REM sleep behavior disorder in patients with Chiari malformations.

Author information

  • 1Program in Medical Sciences, School of Medicine, Brasilia University, Brasilia, Brazil. pazeredo@linkexpress.com.br

Abstract

BACKGROUND:

Chiari malformations (CM) may result in the appearance of REM sleep behavior disorder (RBD) and sleep apnea syndrome (SAS) that can be considered markers of brain stem dysfunction.

PURPOSE:

To evaluate the frequency of RBD and SAS in patients with CM type I and II.

METHOD:

Were evaluated 103 patients with CM by means of full night polysomnography. Were scoring different sleep stages, frequency of abnormal movements (through video monitoring) and abnormal respiratory events.

RESULTS:

Of the 103 patients, 36 showed CM type I and 67 CM type II. Episodes of RBD were observed in 23 patients. Abnormal apnea-hypopnea index (AHI) was observed in 65 patients.

CONCLUSION:

The high rate of RBD suggests that this parassomnia and the increased frequency of central sleep apnea episodes, may be considered as a marker of progressive brain stem dysfunction.

PMID:
18641869
[PubMed - indexed for MEDLINE]
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