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Portable Sleep Device Survey: Australia & New Zealand, 2005

This survey examines the prevalence and reasons for the use of portable sleep monitoring devices in Australia and New Zealand in 2005. It aims to generate discussion on the role of portable monitoring in sleep medicine today and in the future. The survey was conducted through questionnaires sent to sleep services in the region. Despite limited recommendations supporting the use of portable monitors, many services employ them to improve access and diagnostic efficiency.

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Portable Sleep Device Survey: Australia & New Zealand, 2005

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  1. Portable Sleep Device Survey Australia & New Zealand 2005 ASTA Amanda Piper St John of God Sleep Centre, Perth, WA

  2. Background • Prevalence of OSAS for men & women is 4% and 2% respectively (Young et al., NEJM, 1993) • Gold standard for diagnosis is attended PSG • Timely access to diagnosis and treatment is restricted in many countries (Flemons et al., AJRCCM, 2004) • Excessive waits lead to new technologies • Few current recommendations support the use of portable monitors (Chesson et al, AJRCCM, 2004)

  3. AIMS • To assess the prevalence of portable device use in Australia and NZ in 2005 • To assess the reason for the of use of portable monitors • To generate discussion on the role of portable monitoring in sleep medicine today and in the future

  4. Method • Developed a questionnaire • Mailed survey to all known sleep services in Australia & NZ in July 2005 (N = 118) • Reminder email sent to ASTA members in August 2005 • Second mail out to non-responsive Sleep Services in September 2005

  5. Questionnaire Some sample questions: • Do you perform comprehensive PSG studies, and if so: how many and using what equipment? • Do you use portable monitors, and if so: are they used on-site or off-site? • How many portable studies do you perform, using what system, what channels, and why do you use this system?

  6. Sleep monitor classifications ASDA review - Ferber et al, 1994, Sleep

  7. Portable Monitor usage

  8. Home studies

  9. Top 5 Portables in use

  10. Top 5 Channels

  11. Structure of Sleep Services * cf. 4458/mth - Flemons et al, 2004 AJRCCM

  12. Exclusion Criteria

  13. Reasons for use of Portable Monitors

  14. Sample comments

  15. Summary • First survey of portable monitoring in Australia & NZ • Despite few current recommendations supporting the use of portable monitors: - Many sleep services use portable monitors - A number of services only use portable monitors • Reasons for use revolve around freeing up treatment beds for diagnostic purposes, improving access to sleep services.

  16. Acknowledgements ASTA Committee members Melissa Symonds - ASTA Treasurer Kim Ward – ASTA President

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