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Clinical and polysomnographic differences between OSAH patients with/without excessive daytime sleepiness

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Abstract

Purpose

The purpose of this study is to describe the clinical and polysomnographic differences found in patients diagnosed with obstructive sleep apnea–hypopnea (OSAH), with or without excessive daytime sleepiness (EDS) measured by the Epworth Sleepiness Scale (ESS).

Methods

A physical examination, ESS, and polysomnography were applied to all the participants, considering an ESS score of >10 to indicate EDS and an ESS score of ≥16 to indicate severe EDS. Univariate (chi-squared or Student’s t test) and multivariate (multiple logistic regression) analysis approaches were used. A value of p < .05 was considered statistically significant.

Results

The study covered 151 OSAH patients, including 129 (85 %) male patients, 66 (44 %) with EDS and 23 (21 %) with severe EDS. In the univariate analysis of demographic and polysomnographic variables, a comparison between patients without and with EDS showed that the latter had a larger neck circumference, maximum O2 desaturation, and increased sleep time at <90 % O2 saturation, with significant statistical differences. In the multivariate analysis, this statistical significance disappears. A comparison between patients without EDS and with severe EDS did not reveal differences in demographic or polysomnographic variables.

Conclusions

Patients with OSAH and ESD showed more hypoxemia, but we did not find significant differences between OSAH patients with or without EDS.

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Disclosure statement

This was not an industry-supported study. JRC is a Linde Group speaker. ERM has indicated no financial conflicts of interest.

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Authors and Affiliations

  1. Universidad Peruana Cayetano Heredia (UPCH), Lima, Peru

    Jorge Rey de Castro & Edmundo Rosales-Mayor

  2. Clínica Anglo Americana, Centro de Trastornos Respiratorios del Sueño (CENTRES), Av. Alfredo Salazar 314, San Isidro, Lima 27, Peru

    Jorge Rey de Castro

  3. Grupo de Investigación en Sueño (GIS), Lima, Peru

    Jorge Rey de Castro & Edmundo Rosales-Mayor

  4. Pneumology Unit, Hospital Clinic de Barcelona, Barcelona, Spain

    Edmundo Rosales-Mayor

Authors
  1. Jorge Rey de Castro
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  2. Edmundo Rosales-Mayor
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Correspondence to Jorge Rey de Castro.

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Rey de Castro, J., Rosales-Mayor, E. Clinical and polysomnographic differences between OSAH patients with/without excessive daytime sleepiness. Sleep Breath 17, 1079–1086 (2013). https://doi.org/10.1007/s11325-013-0805-8

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  • DOI: https://doi.org/10.1007/s11325-013-0805-8

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