A Multisite Randomized Trial of Portable Sleep Studies and Positive Airway Pressure Autotitration Versus Laboratory-Based Polysomnography for the Diagnosis and Treatment of Obstructive Sleep Apnea: The HomePAP Study.

Rosen CL, Auckley D, Benca R, Foldvary-Schaefer N, Iber C, Kapur V, Rueschman M, Zee P, Redline S.

Abstract

STUDY OBJECTIVES:

To test the utility of an integrated clinical pathway for obstructive (OSA) diagnosis and continuous positive airway pressure (CPAP) treatment using portable monitoring devices.

DESIGN:

Randomized, open-label, parallel group, unblinded, multicenter clinical trial comparing home-based, unattended portable monitoring for diagnosis and autotitrating CPAP (autoPAP) compared with in-laboratory polysomnography (PSG) and CPAP titration.

SETTING:

Seven American Academy of Sleep Medicine (AASM) accredited sleep centers.

PARTICIPANTS:

Consecutive new referrals, age 18 yr or older with high probability of moderate to severe OSA (apnea-hypopnea index [AHI] ≥ 15) identified by clinical algorithm and Epworth Sleepiness Scale (ESS) score ≥ 12.

INTERVENTIONS:

Home-based level 3 testing followed by 1 wk of autoPAP with a fixed pressure CPAP prescription based on the 90% pressure from autotitration of PAP therapy (autoPAP) device (HOME) compared with attended, in-laboratory studies (LAB).

MEASUREMENTS:

CPAP acceptance, time to treatment, adherence at 1 and 3 mo; changes in ESS, and functional outcomes.

RESULTS:

Of 373 participants, approximately one-half in each study arm remained eligible (AHI ≥ 15) to continue in the study. At 3 mo, PAP usage (nightly time at pressure) was 1 hr greater: 4.7 ± 2.1 hr (HOME) compared with 3.7 ± 2.4 hr (LAB). Adherence (percentage of night used ≥ 4 hr) was 12.6% higher: 62.8 ± 29.2% compared with 49.4 ± 36.1% in the HOME versus LAB. Acceptance of PAP therapy, titration pressures, effective titrations, time to treatment, and ESS score change did not differ between arms.

CONCLUSIONS:

A home-based strategy for diagnosis and treatment compared with in-laboratory PSG was not inferior in terms of acceptance, adherence, time to treatment, and functional improvements.

TRIAL REGISTRATION:

http://www.ClinicalTrials.gov; Identifier: NCT: 00642486. CITATION: Rosen CL; Auckley D; Benca R; Foldvary-Schaefer N; Iber C; Kapur V; Rueschman M; Zee P; Redline S. A multisite randomized trial of portable sleep studies and positive airway pressure autotitration versus laboratory-based polysomnography for the diagnosis and treatment of obstructive sleep apnea: The HomePAP Study. SLEEP 2012;35(6):757-767.

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