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. 2013 Nov;209(5):438.e1-438.e12.
doi: 10.1016/j.ajog.2013.07.003. Epub 2013 Jul 11.

The combined association of psychosocial stress and chronic hypertension with preeclampsia

Yunxian Yu  1 , Shanchun Zhang, Guoying Wang, Xiumei Hong, Eric B Mallow, Sheila O Walker, Colleen Pearson, Linda Heffner, Barry Zuckerman, Xiaobin Wang
Affiliations

The combined association of psychosocial stress and chronic hypertension with preeclampsia

Yunxian Yu et al. Am J Obstet Gynecol. 2013 Nov.

Abstract

Objective: This study aims to evaluate perceived lifetime stress, perceived stress during pregnancy, chronic hypertension, and their joint association with preeclampsia risk.

Study design: This study includes 4314 women who delivered a singleton live birth at the Boston Medical Center from October 1998 through February 2008. Chronic hypertension was defined as hypertension diagnosed before pregnancy. Information regarding lifetime stress and perceived stress during pregnancy was collected by questionnaire. Preeclampsia was diagnosed by clinical criteria.

Results: Lifetime stress (odds ratio [OR], 2.1; 95% confidence interval [CI], 1.6-2.9), perceived stress during pregnancy (OR, 1.7; 95% CI, 1.3-2.2), and chronic hypertension (OR, 10.4; 95% CI, 7.5-14.4) were each associated with an increased risk of preeclampsia. Compared to normotensive pregnancy with low lifetime stress, both normotensive pregnancy with high lifetime stress (OR, 2.1; 95% CI, 1.6-2.9) and pregnancy with chronic hypertension and low lifetime stress (OR, 10.2; 95% CI, 7.0-14.9) showed an increased risk of preeclampsia, while pregnancy with high lifetime stress and chronic hypertension yielded the highest risk of preeclampsia (OR, 21.3; 95% CI, 10.2-44.3). The joint association of perceived stress during pregnancy and chronic hypertension with preeclampsia was very similar to that of the joint association of lifetime stress and chronic hypertension with preeclampsia.

Conclusion: This finding indicates that high psychosocial stress and chronic hypertension can act in combination to increase the risk of preeclampsia up to 20-fold. This finding underscores the importance of efforts to prevent, screen, and manage chronic hypertension, along with those to reduce psychosocial stress, particularly among women with chronic hypertension.

Keywords: chronic hypertension; combined effect; preeclampsia; psychosocial stress.

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Conflict of interest statement

Conflicts of interests

The authors have declared that no conflicting interests exist.

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