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Erschienen in:
01.03.2013 | Maternal-Fetal Medicine
Obstructive sleep apnea screening and perinatal outcomes in Korean pregnant women
Erschienen in: Archives of Gynecology and Obstetrics | Ausgabe 3/2013
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Purpose
This study was intended to evaluate the attributable risk of obstructive sleep apnea (OSA) by a sleep questionnaire to adverse pregnancy outcomes.
Methods
This was a prospective, cohort study in Korean pregnant women. Berlin questionnaire was employed for symptom-based OSA screening during the third trimester and obstetric outcome data were obtained in 276 deliveries. The relationship between symptom-based OSA and outcomes were explored using SPSS version 18.0 and stratified by obesity (BMI strata <30 and ≥30). Our primary outcome was the compound occurrence of SGA (fetal) or preeclampsia (maternal). Multivariate models were applied in controlling for potential confounders.
Results
The overall prevalence of OSA was 32.2 % and it was significantly related with the higher maternal BMI, more body weight at delivery, and weight gain during pregnancy (p = 0.007, p = 0.003, p = 0.005, respectively). There were no significant differences in the primary outcomes according to the positivity of OSA by screening, regardless of the stratification by obesity. The cesarean delivery rate was significantly higher in the OSA positive group (36.0 vs 22.5 %, p = 0.018), but it was not significant in the each strata of obesity. In multivariate analysis, the outcomes of birth weight, preeclampsia, cesarean delivery, and small for gestational age were also not different according to the positivity of OSA.
Conclusions
It seems that the prevalence of OSA by a sleep questionnaire is overestimating OSA in Korean pregnant women. Polysomnography might be needed to diagnose OSA and to evaluate the relationship between OSA and the occurrence of SGA or preeclampsia.