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Obstructive sleep apnea in bariatric surgery patients: a population-based study.
Vanessa Martelli1,2, Aristithes G Doumouras3, Lawrence Mbuagbaw4
1Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada. vanessa.martelli@queensu.ca.
Sleep & Breathing = Schlaf & Atmung
|January 17, 2025
Summary
Nearly half of bariatric surgery patients have undiagnosed obstructive sleep apnea (OSA). Screening is crucial, particularly for pre-menopausal females, to improve diagnosis rates and patient outcomes.
Area of Science:
- Medical research
- Public health
- Sleep medicine
Background:
- Obstructive sleep apnea (OSA) is a prevalent condition often remaining undiagnosed.
- Bariatric surgery patients, predominantly female and pre-menopausal, are an understudied group regarding OSA.
Purpose of the Study:
- To determine the prevalence of diagnosed obstructive sleep apnea (OSA) in patients undergoing bariatric surgery.
- To identify predictors of OSA within this specific patient population.
Main Methods:
- A cross-sectional, population-based study utilized the Ontario Bariatric Registry (OBR) from 2010-2016.
- Health administrative data from ICES databases were linked to the OBR.
- Multiple logistic regression analysis was employed to identify OSA predictors.
Main Results:
- Out of 18,074 bariatric surgery patients, 47% had a diagnosed OSA.
- OSA was the second most common comorbidity in this cohort.
- In females, OSA predictors included social inequality, diabetes, and COPD, alongside male predictors (age, BMI, comorbidity burden).
Conclusions:
- A substantial number of patients seeking bariatric surgery have undiagnosed OSA.
- Current OSA screening and testing may lead to underdiagnosis, especially in pre-menopausal females.
- Targeted screening strategies are needed for this demographic.
