The Influence of Bariatric Surgery on Patients With Obstructive Sleep Apnea (OSA)

• Conditions: Obstructive Sleep Apnea; Overweight

• Registration Number: NCT01573676
• Lead Sponsor: Hillel Yaffe Medical Center

Brief Summary

Obesity is a very important risk-factor in obstructive sleep apnea (OSA) and other sleep breathing disorders in patients with extreme BMI.

Candidates for bariatric surgery have a high OSA prevalence, ranging from 60-83%. The characteristics of patients with sleep apnea that were evaluated for bariatric surgery and had a full overnight polysomnography (PSG) screening for OSA were described and it was found that a very high prevalence (77.2%) for OSA in all subjects evaluated, regardless of pre-operative risk for OSA. A post-bariatric surgery PSG was not a part of this study.

The investigators would like to demonstrate the impact of bariatric surgery on OSA as a function of time.

Detailed Description

Not available

Study Timeline

• Status Verified: 2012-04
• Study First Submitted: 2012-04-05
• Study First Submitted QC: 2012-04-06
• Last Update Submitted: 2012-04-06
• Study First Posted: 2012-04-09
• Last Update Posted: 2012-04-09
• Study Start: 2012-05
• Primary Completion: 2012-07
• Study Completion: 2013-12

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 60

Inclusion Criteria

• All candidates for bariatric surgery over 18 yrs of age

Exclusion Criteria

• Patients that underwent any OSA surgery in the past
• Patient had any bariatric surgery in the past
• Patients with COPD
• Patients with CHD
• Patients who have / had cancer that received chemotherapy or radiotherapy

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Improvement in RDI after bariatric surgery	Six months	Improvement will measured by polysonography