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Five-Minute Awake Snoring Test for Determining CPAP Pressures (Five-Minute CPAP Test): A Pilot Study
Macario Camacho1, Chad M Ruoff2, Makoto Kawai3
1Department of Psychiatry and Behavioral Sciences, Division of Sleep Medicine, Stanford Hospital and Clinics, Redwood City, CA 94063, USA; Department of Otolaryngology, Division of Sleep Surgery and Medicine, 1 Jarrett White Road, Tripler Army Medical Center, Honolulu, HI 96859, USA.
Sleep Disorders
|February 17, 2016
Summary
A new bedside test, the Five-Minute Awake Snoring Test for Determining CPAP, offers a quick method for setting continuous positive airway pressure (CPAP) for obstructive sleep apnea (OSA) patients.
Area of Science:
- Sleep Medicine
- Respiratory Physiology
Background:
- Obstructive sleep apnea (OSA) requires effective continuous positive airway pressure (CPAP) titration for treatment.
- Current CPAP titration methods can be time-consuming and complex.
Purpose of the Study:
- To develop and evaluate a rapid, simple, bedside test for determining optimal CPAP levels in OSA patients.
- Introduce the Five-Minute Awake Snoring Test for Determining CPAP (Five-Minute CPAP Test).
Main Methods:
- A prospective case series involving 38 OSA patients at a tertiary medical center.
- Patients simulated snoring with a nasal CPAP mask at incrementally adjusted pressures.
- The lowest pressure preventing snoring (Quiet Pressure) was identified.
Main Results:
- The Five-Minute CPAP Test was successfully performed by all participants.
- Quiet Pressures showed significant correlations with body mass index, apnea-hypopnea index, lowest oxygen saturation, and oxygen desaturation index.
Conclusions:
- The Five-Minute CPAP Test is a novel, quick, inexpensive, and safe bedside method for CPAP determination.
- This pilot study validates the concept of using awake simulated snoring for CPAP titration.
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