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Pilot Study of the Comparison of the Upper Airway Dynamics of Oronasal vs Nasal Masks With PAP Treatment (Mask_MRI)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01939938
Recruitment Status : Completed
First Posted : September 11, 2013
Results First Posted : June 14, 2017
Last Update Posted : July 17, 2018
Information provided by (Responsible Party):
Weill Medical College of Cornell University

Brief Summary:
Our group has recently found that the choice of positive airway pressure mask can significantly affect the pressure required to adequately treat sleep disordered breathing. The goal of this study is to visualize the upper airway in the retropalatal and retroglossal region while using both oronasal and nasal masks with CPAP in order to investigate differences in upper airway dynamics that may occur between these two mask types.

Condition or disease Intervention/treatment Phase
Obstructive Sleep Apnea (OSA) Device: Nasal and Oronasal PAP Mask Not Applicable

Detailed Description:
It is known that oronasal masks are not as effective at opening the upper airway compared to nasal only continuous positive airway pressure (CPAP) masks in patients with sleep-disordered breathing. However, the physiological mechanism for this difference in efficacy is not known; although, it has been hypothesized to involve the retroglossal and/or retropalatal region of the upper airway. The objective of this study was to investigate differences in retroglossal and retropalatal anterior-posterior space with the use of oronasal vs. nasal CPAP masks using real-time cine magnetic resonance imaging (cMRI).

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 10 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Health Services Research
Official Title: Pilot Study of the Comparison of the Upper Airway Dynamics of Oronasal vs Nasal Masks With Positive Airway Pressure Treatment
Study Start Date : June 2013
Actual Primary Completion Date : April 2015
Actual Study Completion Date : April 2015

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: All Subjects-Nasal and Oronasal PAP Mask
Each subject will be imaged in a dynamic MRI with both a oronasal and nasal mask at pressures of 5, 10, and 15 cm of H2O.
Device: Nasal and Oronasal PAP Mask
Subjects will be imaged via MRI wearing a nasal and oronasal PAP mask at 5, 10 and 15 cm H20.

Primary Outcome Measures :
  1. AHI [ Time Frame: through study completion, an average of 1 hour ]
    The AHI is the number of apneas or hypopneas recorded during the study per hour of sleep. It is generally expressed as the number of events per hour.

Secondary Outcome Measures :
  1. MRI of Upper Airway With Opposite PAP Mask [ Time Frame: Approximately 1 hour ]
    MRI will be used to obtain airway measurements and the position of soft tissue elements of the oropharyngeal airway will be evaluated while positive airway pressure in introduced through the opposite mask type.

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 75 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • AHI> 30/hr
  • 18-75 years of age

Exclusion Criteria:

  • History of claustrophobia
  • History of pacemaker, nerve stimulator, or any other metal implanted device

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01939938

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United States, New York
Weill Cornell Center for Sleep Medicine
New York, New York, United States, 10065
Sponsors and Collaborators
Weill Medical College of Cornell University
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Principal Investigator: Matthew Ebben, Ph.D. Weill Medical College of Cornell University
Publications automatically indexed to this study by Identifier (NCT Number):
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Responsible Party: Weill Medical College of Cornell University Identifier: NCT01939938    
Other Study ID Numbers: 1207012713
First Posted: September 11, 2013    Key Record Dates
Results First Posted: June 14, 2017
Last Update Posted: July 17, 2018
Last Verified: June 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No
Additional relevant MeSH terms:
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Sleep Apnea, Obstructive
Sleep Apnea Syndromes
Respiration Disorders
Respiratory Tract Diseases
Sleep Disorders, Intrinsic
Sleep Wake Disorders
Nervous System Diseases