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CC BY-NC-ND 4.0 · Sleep Sci 2018; 11(01): 8-11
DOI: 10.5935/1984-0063.20180003
SHORT COMMUNICATION

Ambulatory positional obstructive sleep apnea syndrome

Authors

  • Fernando Di-Tullio

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Glenda Ernst

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Gabriela Robaina

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Magali Blanco

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Alejandro Salvado

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Ana Meraldi

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Martin Bosio

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.

  • Eduardo Borsini

    1   Hospital Británico, Respiratory Medicine - Ciudad Autónoma de Buenos Aires - Buenos Aires - Argentina.
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Objective: To establish the prevalence of positional (PP) OSA patients using self-administered home-based respiratory polygraphy (RP).

Materials and Methods: 52 month retrospective study based on RP records.

Results: 200 PR records: 70.5% men 29.5% women. 76% were diagnosed with OSA and 54.6% with PP OSA. There were no significant differences in Epworth Sleepiness Scale, apnea hypopnea index and oxygen desaturation index. PP OSA patients were younger, had a lower BMI (30.3±0.9 vs. 35.3±1.2) (p<0.0001), and the time they spent with oxygen saturation <90% (T<90) was lower (8.8 vs. 28.7±6.7, p=0.0038). The PP OSA group spent 43% of total recording time in the supine position.

Conclusions: The prevalence of PP OSA patients studied with RP is similar to the one described by sleep laboratories. They have lower BMI, present mostly mild OSA with less desaturation, and are less likely to receive CPAP therapy.

Sleep Apnea Syndromes - Sleep Apnea, Obstructive - Continuous Positive Airway Pressure - Supine Position


Publication History

Received: 25 May 2017

Accepted: 07 November 2017

Article published online:
13 October 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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