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Clinical and Experimental Obstetrics & Gynecology  2019, Vol. 46 Issue (5): 770-775    DOI: 10.12891/ceog4792.2019
Original Research Previous articles | Next articles
High mean blood pressure during the first trimester is predictive of future preeclampsia development in healthy pregnant women: a cohort study in Korea
J. Yoon Park1, S.W. Lee2, K.J. Oh1, J.-S. Hong1*()
1Department of Obstetrics & Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea
2Department of Internal Medicine, Eulji General Hospital, Seoul, Korea
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Abstract  

The objective of this study was to determine the association between blood pressure (BP) in early pregnancy and the development of preeclampsia. Among 3,364 pregnant women who began perinatal care in their first trimester and were followed up until delivery, 3,003 healthy pregnant women were included after excluding 354 with comorbidities during pregnancy and seven with missing BP and proteinuria data at follow-up. The mean values of systolic and diastolic BP measurements during the first trimester were retrieved from electronic medical records. Mean BP (MBP) was calculated and plotted using the penalized smoothing spline method to analyze its association with the development of preeclampsia. In the univariate analysis, increased MBP, twin pregnancy, and high body weight were associated with increased odds for the development of preeclampsia; however, only increased MBP and twin pregnancy maintained statistical significance in multivariate analysis. A MBP ≥ 91 mmHg was associated with the development of preeclampsia [adjusted odds ratio (OR) 2.60, 95% confidence interval (CI), 1.42-4.77, p = 0.002]. Increased BP during the first trimester in previously healthy pregnant women was associated with the subsequent development of preeclampsia. This is the first study on the association between BP in the early pregnancy period and the development of preeclampsia in healthy Korean pregnant women.

Key words:  Non-linear association      Blood pressure      Preeclampsia     
Published:  10 October 2019     
*Corresponding Author(s):  JOON-SEOK HONG     E-mail:  hjsobgy@gmail.com

Cite this article: 

J. Yoon Park, S.W. Lee, K.J. Oh, J.-S. Hong. High mean blood pressure during the first trimester is predictive of future preeclampsia development in healthy pregnant women: a cohort study in Korea. Clinical and Experimental Obstetrics & Gynecology, 2019, 46(5): 770-775.

URL: 

https://ceog.imrpress.com/EN/10.12891/ceog4792.2019     OR     https://ceog.imrpress.com/EN/Y2019/V46/I5/770

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