Does the type of continuous positive airway pressure interface effect the required therapeutic pressure in patients with obstructive sleep apnoea?

Not Applicable

Completed

• Conditions: Obstructive sleep apnoea; Respiratory - Sleep apnoea

• Registration Number: ACTRN12610000583044
• Lead Sponsor: niversity of Otago

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2010-07-20
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 12

Inclusion Criteria

Adult (greater than or equal to 25 years)
Moderate/severe OSA at baseline (AHI greater than or equal to 30)
Compliant with CPAP (using treatment greater than or equal to 4 hours per night on average)
Currently using a standard nasal cushion mask without chinstrap
Subjectively report predominant supine sleep

Exclusion Criteria

Complete upper and/or lower denture
Excessive alcohol or caffeine intake
Significant cardiac, respiratory or sleep co-morbidity
Unwilling to restrict alcohol intake to less than or equal to 2 standard drinks per day for the trial duration.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Therapeutic pressure (measured using an auto-adjusting device) required with each of the three masks.[Averaged over two nights of each mask.]

Secondary Outcome Measures

Name	Time	Method
Residual apnoea-hypopnoea index (AHI) with each of the three masks (delivered using standard CPAP set to manually titrated pressure).[Averaged over two nights of each mask.]