Prevalence of Obstructive Sleep Apnoea Among Patients Admitted for Bariatric Surgery. A Prospective Multicentre Trial

Nov 13, 2015Obesity surgery

How Common Obstructive Sleep Apnea Is in Patients Having Weight-Loss Surgery: A Multicenter Study

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Abstract

Seventy-one percent of bariatric surgery candidates were diagnosed with obstructive sleep apnoea (OSA).

The prevalence of OSA was significantly higher in males (90%) compared to females (60%) with a p-value of less than 0.001.
Patients with OSA had larger mean neck and waist circumferences compared to those without OSA (p < 0.001).
Body weight was higher in the OSA group than in the non-OSA group (p < 0.01).
In female patients, the only significant difference observed was in neck circumference.

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BACKGROUND: Obesity has become one of the greatest public health concerns worldwide and is known to be the most important risk factor for obstructive sleep apnoea (OSA). Prevalence of OSA has increased over the last two decades, but it is estimated that the majority of cases still remain undiagnosed. The aim of this study was to investigate the prevalence of OSA in Finnish bariatric surgery candidates.

METHODS: In this prospective multicentre study, standard overnight cardiorespiratory recording was conducted in 197 consecutive patients from three different hospitals. A sleep questionnaire was also administered. Anthropometric and demographic measurements included age, weight, body mass index (BMI) and waist and neck circumference.

RESULTS: Altogether, 71 % of the patients were diagnosed with OSA. The prevalence was higher in males (90 %) than in females (60 %) (p < 0.001). In OSA patients' group, the mean neck and waist circumference was larger (p < 0.001) and the body weight higher (p < 0.01) than in non-OSA group. When separating patients by gender, a significant difference remained only concerning neck circumference in female patients.

CONCLUSIONS: OSA is very common among bariatric surgery patients, especially in men. Considering this and the increased long-term morbidity and mortality generally related to OSA, a routine screening for OSA seems indicated in bariatric patients, particularly men.

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Prevalence of Obstructive Sleep Apnoea Among Patients Admitted for Bariatric Surgery. A Prospective Multicentre Trial

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