Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome

Sleep quality is affected in patients with sleep apnea- hypopnea syndrome (SAHS) with nocturnal and diurnal consequences. Most of these patients who are treated with positive airway pressure (CPAP) return to normal sleep patterns. We could consider good sleepers those patients who present more s...

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Autores principales: Smurra, Marcela, Blanco, Susana, Eguiguren, Veronica, DiRisio, Cecilia
Formato: Artículo
Lenguaje:Inglés
Publicado: Universidad de Belgrano - Facultad de Ingeniería y Tecnología Informática - Proyectos de Investigación 2014
Materias:
Sleep spindles
Polisomnographic
Wavelets analysis
Slow wave sleep
CPAP
sueño de onda lenta
análisis de Wavelets
Acceso en línea:http://repositorio.ub.edu.ar/handle/123456789/2956
Aporte de:
Repositorio Institucional - Universidad de Belgrano (UB) de Universidad de Belgrano
id I36-R142-123456789-2956
record_format dspace
institution Universidad de Belgrano
institution_str I-36
repository_str R-142
collection Repositorio Institucional - Universidad de Belgrano (UB)
language Inglés
topic Sleep spindles
Polisomnographic
Wavelets analysis
Slow wave sleep
CPAP
sueño de onda lenta
análisis de Wavelets
spellingShingle Sleep spindles
Polisomnographic
Wavelets analysis
Slow wave sleep
CPAP
sueño de onda lenta
análisis de Wavelets
Smurra, Marcela
Blanco, Susana
Eguiguren, Veronica
DiRisio, Cecilia
Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
topic_facet Sleep spindles
Polisomnographic
Wavelets analysis
Slow wave sleep
CPAP
sueño de onda lenta
análisis de Wavelets
description Sleep quality is affected in patients with sleep apnea- hypopnea syndrome (SAHS) with nocturnal and diurnal consequences. Most of these patients who are treated with positive airway pressure (CPAP) return to normal sleep patterns. We could consider good sleepers those patients who present more sleep spindles in stage II, and slower wave sleep as a good sign of better sleep quality. The objective in this research study was to compare the microstructure of stage II using the number of spindles and the increase of slow wave sleep before and after CPAP night titration. We developed a wavelet filter using a spline cubic function from a wavelet mother, which was appropriate to be used over electroencephalographic signal. By means of this filter in a multi-resolution mode, the spindles were detected from the increase of the IV band power; the sampling rate of the device determined the filter characteristics. The staging of polysomnographic studies was made by an expert according AASM (American Academy of Sleep Medicine) and then processed by the filter to get the index of sleep spindles before-and-after CPAP during stage II as well as the relationship between fast and slow powers from the EEG signal. An increase in the power of the slow waves vs. fast activity was observed in all the cases as a feature of better sleep. The neuroprotective effect described in previous research works regarding the density of the sleep spindles seems to be detected in patients improving their sleep quality after the correction of the apnea-hypopnea syndrome using CPAP.
format Article
author Smurra, Marcela
Blanco, Susana
Eguiguren, Veronica
DiRisio, Cecilia
author_facet Smurra, Marcela
Blanco, Susana
Eguiguren, Veronica
DiRisio, Cecilia
author_sort Smurra, Marcela
title Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
title_short Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
title_full Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
title_fullStr Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
title_full_unstemmed Effects of the CPAP Treatment on the NON-REM Sleep Microstructures in Patients with Severe Apnea-Hypoapnea Syndrome
title_sort effects of the cpap treatment on the non-rem sleep microstructures in patients with severe apnea-hypoapnea syndrome
publisher Universidad de Belgrano - Facultad de Ingeniería y Tecnología Informática - Proyectos de Investigación
publishDate 2014
url http://repositorio.ub.edu.ar/handle/123456789/2956
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