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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea

Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

Amsterdam positional OSA classification: the AASM 2012 recommended hypopnoea criteria increases the number of

Brett Duce^1,2, Antti Kulkas^3,4, Christian Langton⁵

¹Sleep Disorders Centre, Department of Respiratory and Sleep Medicine, Princess Alexandra Hospital, Ipswich Rd, Woolloongabba, Qld, Australia. brett.duce@health.qld.gov.au.

Sleep & Breathing = Schlaf & Atmung

|November 13, 2016

Abstract

Purpose:

This study examined the effect of hypopnoea criteria on the prevalence of positional obstructive sleep apnoea (pOSA) identified under the Amsterdam Positional OSA Classification (APOC) system.

Methods:

Three hundred three consecutive patients undertaking polysomnography (PSG) for the suspicion of OSA were included in this retrospective investigation. PSGs were scored using both the 2007 American Academy of Sleep Medicine (AASM) recommended hypopnoea criteria (AASM_2007Rec) and the 2012 AASM recommended hypopnoea criteria (AASM_2012Rec). For each hypopnoea criteria, OSA patients were grouped according to the APOC categories (I, II or II) or else deemed non-APOC if they did not meet the APOC criteria. Outcome measures, such as Functional Outcomes of Sleep Questionnaire (FOSQ), MOS 36-item short-form health survey (SF-36) and psychomotor vigilance task (PVT), were also compared between the groups.

Results:

The AASM_2012Rec increased the prevalence of OSA compared to AASM_2007Rec. The AASM_2012Rec trebled the number of APOC I patients compared to AASM_2007Rec (297% increase) as well as increased the proportion of females in the APOC I group. AASM_2012Rec did not change the number of APOC II and APOC III patients. In fact, the same patients were present in these categories irrespective of hypopnoea criteria. The proportion of non-APOC patients proportionally decreased with the AASM_2012Rec criteria. There were no differences in outcome measures between the AASM_2012Rec and AASM_2007Rec groups.

Conclusions:

This study demonstrates that, compared to AASM_2007Rec, AASM_2012Rec increases the prevalence of who could be successfully treated with positional therapy. The proportion of females with pOSA also increases as a consequence of AASM_2012Rec.

Keywords:

Amsterdam Positional OSA Classification Hypopnoea definition Obstructive sleep apnoea Positional OSA Prevalence

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