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Validation of Apnea LinkTM for Sleep Apnea Syndrome Screening in a Bariatric Population

Sleep Apnea Syndrome Clinical Trial

Official title:
Validation of Apnea LinkTM (ResMed Corporation, Poway, California) for Sleep Apnea Syndrome Screening in a Bariatric Population

Clinical Trial Summary

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.

Clinical Trial Description

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. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01354756
Study type Observational
Source Centre Hospitalier Universitaire Saint Pierre
Contact
Status Terminated
Phase N/A
Start date October 2010
Completion date May 2011
View Details
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