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Erschienen in:
01.04.2014
Predicting sleep apnea in morbidly obese adolescents undergoing bariatric surgery
Erschienen in: Surgical Endoscopy | Ausgabe 4/2014
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Introduction
In adults, the association between obesity and obstructive sleep apnea (OSA) is established, and many are concerned OSA increases surgical risk. Pre-operative screening for OSA is standard, and this is also the case in adolescent bariatric surgery. We noted many of our patients were without significant OSA, despite being obese. We reviewed our experience with screening polysomnography (PSG) to determine any predictive variables or complications.
Methods
All bariatric surgery patients from our hospital who had undergone PSG were included, and were stratified into ‘OSA’ or ‘no OSA’ by obstructive apnea-hypopnea index (OAHI), as well as by sex.
Results
A total of 49 adolescents enrolled during the study period: 10 males and 39 females. OSA prevalence was 42.9 %; males 80 %, females 33.3 %. Height, weight, body mass index (BMI), and prevalence of hypertension were significantly higher in patients with OSA. By sex, females also had more metabolic syndrome and witnessed apneas, while only weight and BMI remained significant in males. There were no peri-operative complications.
Conclusions
Despite uniform obesity, less than half our adolescents had significant OSA on PSG. As no modeling exists to predict OSA in morbidly obese adolescents, we continue to recommend routine PSG, especially in higher weight and BMI patients, and those with hypertension.