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A real-world comparison of apnea-hypopnea indices of positive airway pressure device and polysomnography
Journal article   Open access   Peer reviewed

A real-world comparison of apnea-hypopnea indices of positive airway pressure device and polysomnography

Ritwick Agrawal, Julie A Wang, Anita G Ko and Joanne E Getsy
PloS one, v 12(4), pp e0174458-e0174458
2017
DOI: https://doi.org/10.1371/journal.pone.0174458
PMID: 28379985
Featured in Collection :   UN Sustainable Development Goals @ Drexel
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https://doi.org/10.1371/journal.pone.0174458View
Published, Version of Record (VoR)CC BY V4.0,  Open

Abstract

Apnea - diagnosis Apnea - physiopathology Apnea - therapy Continuous Positive Airway Pressure Female Humans Male Middle Aged Polysomnography Retrospective Studies Sleep Apnea Syndromes - diagnosis Sleep Apnea Syndromes - physiopathology Sleep Apnea Syndromes - therapy Treatment Outcome
The apnea hypopnea index (AHI) reported by positive airway pressure (PAP) device is widely used in clinical practice, yet its correlation with standardized AHI obtained during the sleep study is not established. The current study was conducted to investigate the correlation between AHI estimated by the PAP device and reported on the smart card with the AHI found during the PAP polysomnography (PSG) in the "real world" setting at an academic sleep center. We retrospectively reviewed the medical records of 280 patients who underwent a PAP titration PSG at Drexel sleep center, and were later prescribed a PAP device. The AHI was categorized in clinically relevant subgroups (as AHI ≤5 and AHI >5). The AHI at the final pressure on the PSG and the average AHI from the prescribed PAP device were compared. The results showed that in the majority (77.3%) of patients (126 of 163), the AHI from both PAP device and PSG correlated well and were in the same category (AHI ≤5 and AHI >5 respectively). The majority of patients (80.7%) with PSG AHI of <5 had PAP device AHI <5 as well. By contrast, if PSG AHI was >5, 61.5% patients reported good control, with AHI <5 on PAP device AHI. We conclude that in a majority of patients who were optimally titrated in the sleep laboratory, the PAP device continued to show optimal control at home.

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1 citations in Web of Science
3 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Clinical Neurology
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