Does Obstructive Sleep Apnea (OSA) Increase the Risk of Post-Operative Respiratory Complications after Bariatric Surgery?

Ayman A Elrashidy,S Abdelaziem,Reda Sobhi Abdel-Rahman,Wahiba Elhag,Mohamed Elsherif

doi:10.4236/ojanes.2018.810026

Ayman A Elrashidy, S Abdelaziem + Show 3 more

Open Access

https://doi.org/10.4236/ojanes.2018.810026

Copy DOI

Abstract

Background: OSA affects up to quarter of general population. It is associated with morbid obesity with a higher morbidity and mortality rates. STOP Bang questionnaire is a validated method for OSA screening. OSA patients are at high risk of developing airway obstruction, cardiac events, congestive heart failure, stroke and desaturation post operatively. The aim of this study is to evaluate adverse respiratory events in patients undergoing bariatric surgery in relation to risk of OSA using Stop Bang questionnaire. Methods: This prospective double cohort study was conducted in Tanta University Hospital from Marchto August 2017. During the preoperative assessment, STOP-BANG questionnaire was performed. After extubation, patients were transferred to PACU unit. Respiratory complications were assessed thereafter. Based on STOP-BANG score, patients were divided into two groups, high risk of OSA with STOP-BANG > 3 (Group I) and low risk of OSA with STOP-BANG Results: 104 patients were included in this study. Group I had more comorbidities in the form of CAD (15% versus 2%, P 0.001). Higher number of respiratory complications was noted in high-risk group (31 patients, 59%) compared to (24 patients, 46%) in group II yet, it was not significant. Conclusion: Obese patients with STOP-BANG score > 3 undergoing bariatric surgery are associated with hypertension, dyslipidemia, CAD, and renal insufficiency. High-risk OSA obese patients are at higher risk of developing respiratory compilations like inability to breathe deeply and hypoxia in postoperatively.

Highlights

Obstructive sleep apnea can affect up to quarter of general population, it is a common sleep disorder affecting all age groups [1] [2].Patients with morbid obesity are having a higher prevalence of Obstructive Sleep Apnea (OSA) and further more increase in co-existing medical diseases [3] [4] [5].It was shown that mortality rates are higher among patients with OSA [6] [7]
The aim of this study is to evaluate adverse respiratory events in patients undergoing bariatric surgery in relation to risk of OSA using Stop Bang questionnaire
Obese patients with STOP-BANG score > 3 undergoing bariatric surgery are associated with hypertension, dyslipidemia, coronary artery disease (CAD), and renal insufficiency

Summary

Introduction

Obstructive sleep apnea can affect up to quarter of general population, it is a common sleep disorder affecting all age groups [1] [2].Patients with morbid obesity are having a higher prevalence of OSA and further more increase in co-existing medical diseases [3] [4] [5].It was shown that mortality rates are higher among patients with OSA [6] [7]. Up to three quarters of such group are suffering OSA together with other obesity related co-morbidities [17] [18] In such group of patients, numerous risk factors were identified and OSA represented an independent risk factor for peri-operative complications [19]. Patients suffering OSA are at high risk of developing air way obstruction, cardiac events, congestive heart failure, stroke and desaturation post operatively [19] [20]. OSA affects up to quarter of general population It is associated with morbid obesity with a higher morbidity and mortality rates. The aim of this study is to evaluate adverse respiratory events in patients undergoing bariatric surgery in relation to risk of OSA using Stop Bang questionnaire. High-risk OSA obese patients are at higher risk of developing respiratory compilations like inability to breathe deeply and hypoxia in postoperatively

Objectives

Methods

Results

Conclusion