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Sleep and Breathing

, Volume 23, Issue 4, pp 1141–1149 | Cite as

Treatment of sleep-disordered breathing with positional therapy: long-term results

  • Jolien BeyersEmail author
  • O. M. Vanderveken
  • C. Kastoer
  • A. Boudewyns
  • I. De Volder
  • A. Van Gastel
  • J. A. Verbraecken
  • W. A. De Backer
  • M. J. Braem
  • P. H. Van de Heyning
  • M. Dieltjens
Sleep Breathing Physiology and Disorders • Original Article

Abstract

Purpose

The aim of the present study was to assess the efficacy of a sleep position trainer (SPT) in patients with an established diagnosis of positional obstructive sleep apnea and to evaluate the adherence after 1-year follow-up.

Methods

Polysomnography (PSG) was performed at baseline and after 1 year of SPT use. Patients received questionnaires to assess treatment satisfaction and subjective adherence. Data on objective adherence and number of vibrations initiated by the SPT were collected from the SPT device.

Results

Nine out of 58 patients stopped using the SPT during the first year of treatment (16%). Thirty-four middle-aged and overweight patients underwent a PSG after 1 year of SPT use (male/female ratio, 28/6; overall apnea/hypopnea index (AHI), 16/h). A significant reduction in overall AHI to 6/h was observed using treatment (p < 0.001). The median percentage of supine sleep decreased significantly to 1% with SPT (p < 0.001). The mean objective SPT use in 28 patients was 7.3 ± 0.9 h/night and 69 ± 26% of the nights. Furthermore, 75% of the patients reported a better sleep quality since the start of SPT treatment.

Conclusions

Long-term treatment with the SPT was found to be effective in reducing overall AHI. Time spent sleeping in supine position was reduced to almost zero in the continuing users. Patient satisfaction was high when using the SPT.

Keywords

Long-term therapy Obstructive sleep apnea (OSA) Supine dependent Sleep position trainer Non-invasive therapy 

Abbreviations

AHI

apnea/hypopnea index

CPAP

continuous positive airway pressure

ESS

Epworth sleepiness scale

ODI

oxygen desaturation index

OSA

obstructive sleep apnea

POSA

positional obstructive sleep apnea

PSG

polysomnography

PT

positional therapy

SDB

sleep-disordered breathing

SPT

sleep position trainer

SpO2

minimum oxygen saturation

TST

total sleep time

VAS snoring

visual analogue scale for snoring

Notes

Acknowledgements

The authors would like to thank Adelheidis Hoogewijs for her assistance with this research project.

Compliance with ethical standards

Conflict of interest

Olivier Vanderveken holds a Senior Clinical Investigator Fellowship from the Research Foundation, Flanders (FWO), 2016-2021. Marijke Dieltjens holds a Postdoctoral fellowship at Research Foundation, Flanders (FWO), 12H4516N.

Dr. Vanderveken reports other from Research support from NightBalance, during the conduct of the study; grants from Philips research grant at Antwerp University Hospital, grants from Somnomed research grant at Antwerp University Hospital, other from Somnomed, other from Inspire Medical Systems, other from Galvani, other from Zephyr, outside the submitted work. Dr. Verbraecken reports grants from NightBalance, during the conduct of the study. Dr. Braem reports grants from Somnomed Research Grant, outside the submitted work.

Research involving human participants

All procedures performed were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Supplementary material

11325_2019_1792_MOESM1_ESM.pdf (244 kb)
ESM 1 (PDF 243 kb)

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Jolien Beyers
    • 1
    • 2
    • 3
    Email author
  • O. M. Vanderveken
    • 1
    • 2
    • 3
  • C. Kastoer
    • 1
    • 2
  • A. Boudewyns
    • 1
    • 2
  • I. De Volder
    • 3
    • 4
  • A. Van Gastel
    • 3
    • 4
  • J. A. Verbraecken
    • 2
    • 3
    • 5
  • W. A. De Backer
    • 2
  • M. J. Braem
    • 2
    • 6
  • P. H. Van de Heyning
    • 1
    • 2
  • M. Dieltjens
    • 1
    • 2
  1. 1.Department of Otorhinolaryngology, Head and Neck SurgeryAntwerp University HospitalEdegemBelgium
  2. 2.Faculty of Medicine and Health SciencesUniversity of AntwerpAntwerpBelgium
  3. 3.Multidisciplinary Sleep Disorders CentreAntwerp University HospitalEdegemBelgium
  4. 4.Department of PsychiatryAntwerp University HospitalEdegemBelgium
  5. 5.Department of Pulmonary MedicineAntwerp University HospitalEdegemBelgium
  6. 6.Department of Special Care DentistryAntwerp University HospitalEdegemBelgium

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