Sleep and Breathing

, Volume 16, Issue 2, pp 555–562 | Cite as

Compliance to continuous positive airway pressure therapy in a group of Portuguese patients with obstructive sleep apnea syndrome

  • Claudia Alves
  • José Manuel Pinto Chaves Caminha
  • Antonio Martins da Silva
  • Denisa Mendonça
Original Article

Abstract

Introduction

Obstructive sleep apnea–hypopnea syndrome (OSAHS) is an emerging public health concern. Although different treatments for OSAHS had been proposed, continuous positive airway pressure (CPAP) is the first-line treatment in moderate to serious OSAHS in which success can be achieved by increasing compliance to CPAP.

Materials and methods

This study analyzes long-term CPAP compliance in patients with OSAHS on CPAP therapy for at least 1 month, who began CPAP therapy between January 2004 and December 2006, followed up at a Portuguese Sleep Outpatient Clinic in Santo António Hospital. Only effective data of CPAP use had been considered. During the first year of CPAP therapy, 96 patients were enrolled and followed up, but 15 patients had discontinued CPAP treatment. CPAP was used on average 5.1 h per day and in 80.1% of the total follow-up days. When compliance is defined as the use of CPAP for a minimum of 4 h per day in at least 70% of the follow-up days, only 54% of patients were classified as compliants during the first year.

Results and conclusion

No statistically significant differences were found throughout the first year (p > 0.05) in terms of the percentage of compliants, controlling for demographic and clinic variables. None of the demographic and clinical baseline variables studied were found to be significant predictor of CPAP compliance (p > 0.05). This study diagnosed a low compliance to CPAP therapy in the studied sample, warning to the need of developing further studies in this area and to the need of implementing strategies to increase CPAP compliance.

Keywords

Obstructive sleep apnea–hypopnea syndrome CPAP treatment CPAP compliance 

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Claudia Alves
    • 1
  • José Manuel Pinto Chaves Caminha
    • 2
  • Antonio Martins da Silva
    • 3
    • 4
  • Denisa Mendonça
    • 5
    • 6
  1. 1.Department of OrthopedicsSanto António HospitalOportoPortugal
  2. 2.Department of Intensive CareSanto António HospitalOportoPortugal
  3. 3.Department of NeurophysiologySanto António HospitalOportoPortugal
  4. 4.UMIB, Abel Salazar Biomedical Sciences Institute (ICBAS)University of PortoOportoPortugal
  5. 5.Department of Population Studies Institute of Biomedical Sciences Abel Salazar (ICBAS)University of PortoOportoPortugal
  6. 6.Institute of Public HealthUniversity of PortoOportoPortugal

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