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The prevalence of obstructive sleep apnea and its association with pregnancy-related health outcomes: a systematic review and meta-analysis

Sleep and Breathing volume 23, pages 399–412 (2019)Cite this article

Abstract

Purpose

Obstructive sleep apnea (OSA) is common during pregnancy. Nevertheless, prevalence estimates of OSA have varied widely due to variabilities in the assessment methods. This meta-analysis aimed to examine the prevalence of objectively assessed OSA and its association with pregnancy-related health outcomes in pregnant women.

Methods

This review was developed following the PRISMA guideline. A systematic search was conducted in major electronic databases to identify studies conducted from inception to January 2018. The pooled estimates with 95% confidence interval were calculated using the inverse variance method. Forest plots were used to present the results of individual studies and the pooled effect sizes.

Results

Thirty-three studies were included. The mean gestational age was between 21.2 (8.5) and 37.3 (2.1) weeks. The pooled worldwide prevalence of OSA was 15% (95% CI 12–18%). The prevalence estimates ranged from 5% in the European Region to 20% in the Region of Americas. The prevalence estimates for different trimesters ranged from 15 to 19%. OSA was related to an increased risk for gestational hypertension, gestational diabetes, pre-eclampsia, C-section, postoperative wound complication, and pulmonary edema. The pooled adjusted odds ratio (aOR) values were 1.97, 1.55, 2.35, 1.42, 1.87, and 6.35, respectively. OSA was also related to an increased risk for preterm birth (aOR = 1.62) and neonatal intensive care unit admission (aOR = 1.28).

Conclusions

OSA is a common health issue in pregnant women. OSA is associated with various pregnancy-related health outcomes. Routine screening, early diagnosis, and effective treatment of OSA are recommended in pregnant women, particularly during mid and late pregnancy.

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Authors and Affiliations

  1. Department of Gynecology, Beijing Chuiyangliu Hospital, Beijing, China

    Lina Liu & Guang Su

  2. Reproductive Center, Chinese PLA General Hospital, Beijing, China

    Shuling Wang

  3. School of Nursing, Shanghai Jiao Tong University, 227 S Chongqing Rd, Shanghai, 200025, China

    Bingqian Zhu

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  1. Lina Liu
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  2. Guang Su
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  3. Shuling Wang
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  4. Bingqian Zhu
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Correspondence to Bingqian Zhu.

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Liu, L., Su, G., Wang, S. et al. The prevalence of obstructive sleep apnea and its association with pregnancy-related health outcomes: a systematic review and meta-analysis. Sleep Breath 23, 399–412 (2019). https://doi.org/10.1007/s11325-018-1714-7

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Keywords

  • Meta-analysis
  • Observational
  • Pregnancy
  • Prevalence
  • Sleep apnea