The prevalence of obstructive sleep apnoea in women with polycystic ovary syndrome: a systematic review and meta-analysis

Kahal, Hassan, Kyrou, Ioannis, Uthman, Olalekan A., Brown, Anna, Johnson, Samantha, Wall, Peter D. H., Metcalfe, Andrew, Parr, David G., Tahrani, Abd A. and Randeva, Harpal S. (2019). The prevalence of obstructive sleep apnoea in women with polycystic ovary syndrome: a systematic review and meta-analysis. Sleep and Breathing ,

Abstract

Background: Obesity is a common risk factor for polycystic ovary syndrome (PCOS) and obstructive sleep apnoea (OSA). Both PCOS and OSA are associated with increased risk of type 2 diabetes and cardiovascular disease. Hence, it is important to determine the burden of OSA in women with PCOS. Methods: We searched electronic databases (MEDLINE, Embase, CINAHL, PsycINFO, Scopus, Web of Science, OpenGrey, CENTRAL), conference abstracts, and reference lists of relevant articles, up to January 2019. No restriction for language or publication status. Studies that examined the presence of OSA in women with PCOS using polysomnography and/or level III devices were eligible for inclusion. Results: Seventeen studies involving 648 participants were included. Our meta-analysis showed that 35.0% (95% CI 22.2–48.9%) of women with PCOS had OSA. This prevalence was not affected by variation in PCOS definition between studies. Approximately one-tenth of the variation in OSA prevalence was related to differences in study population (higher in adults than adolescents and mixed populations), and around one-tenth was related to sample size (higher in smaller studies). OSA prevalence was markedly higher in obese versus lean women with PCOS, and in women with PCOS compared to controls (odds ratio = 3.83, 95% CI 1.43–10.24, eight studies, 957 participants (349 PCOS and 608 controls)). However, most of the studies were at high risk of selection bias, did not account for important confounders, included predominantly women with class II obesity, and were conducted in one country (USA). Conclusions: Future studies need to examine the true prevalence of OSA in a more representative sample of women with PCOS. Nevertheless, our results suggest that the prevalence of OSA in women with PCOS and obesity is high and clinicians should have a high index of suspicion of OSA in these women.

Publication DOI: https://doi.org/10.1007/s11325-019-01835-1
Divisions: Aston Medical School
Additional Information: © The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Uncontrolled Keywords: Hyperandrogenism,Insulin resistance,OSA,Obesity,PCOS,Otorhinolaryngology,Clinical Neurology
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
http://link.spr ... 325-019-01835-1 (Publisher URL)
Published Online Date: 2019-05-20
Authors: Kahal, Hassan
Kyrou, Ioannis ( 0000-0002-6997-3439)
Uthman, Olalekan A.
Brown, Anna
Johnson, Samantha
Wall, Peter D. H.
Metcalfe, Andrew
Parr, David G.
Tahrani, Abd A.
Randeva, Harpal S.

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