The effect of surgical weight loss on obstructive sleep apnoea: A systematic review and meta-analysis

This review aimed to examine the relationship between surgical weight loss and obstructive sleep apnoea (OSA) severity (i.e. apnoea-hypopnoea index [AHI]), and how this relationship is altered by the various respiratory events scoring (RES) criteria used to derive the AHI. A systematic search of the literature was performed up to December 2017. Before-and-after studies were considered due to a paucity of randomised controlled trials (RCTs) available to be reviewed in isolation. Primary outcomes included pre- and post-surgery AHI and body mass index (BMI).

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