Sleep Apnea Syndrome Clinical Trial
Official title:
Validation of Apnea LinkTM (ResMed Corporation, Poway, California) for Sleep Apnea Syndrome Screening in a Bariatric Population
Sleep apnea syndrome (OSA) frequently occurs in obese population undergoing bariatric surgery. There is a need for alternative screening tools for sleep apnea detection in the pre-operative period. The investigators would like to compare ApneaLink and complete polysomnography in this population.
OSA can occur in up to 78% of patients undergoing bariatric surgery(1). Moderate to severe
case will benefit from CPAP therapy, that can help avoiding post-operative complications(2).
In this population, the investigators propose complete attended in-hospital polysomnography
(PSG)in patients with a clinical high probability of OSA.
According to obesity epidemics (3), waiting list for PSG in sleep labs is every day longer.
The investigators want to assess sensitivity and specificity of a new portable screening
tool, ApneaLink, to detect OSA in a bariatric population.
Design:
monocentric and prospective study
Methods:
Patients:
- OSA suspicion based on :
- symptoms and signs (snoring, apneas , neck circumference >38 (women) or 43cm (men))
- BMI > 50
- BMI > 40, > 40 y
- BMI > 35, men, hypertension
- increased serum Bicarbonate
- Polyglobulia
Measurements
- Polysomnography in sleep lab with concommitant recording performed with Apnea LinkTM
(nasal flow and oxymétry recording).
- between 2 weeks : recording performed with Apnea LinkTM (nasal flow and oxymétry
recording)at home.
;
Observational Model: Cohort, Time Perspective: Prospective
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