Journal
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY
Volume 211, Issue 4, Pages -Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.ajog.2014.03.032
Keywords
cardiovascular risk; hypertensive pregnancy disorders; preeclampsia; pregnancy-induced hypertension
Categories
Funding
- Nuts Ohra Foundation, The Netherlands
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OBJECTIVE: The aim of this study was to investigate which nonclassic cardiovascular biomarkers are associated with persistent endothelial dysfunction after pregnancy in women with a history of hypertensive pregnancy disorders compared with women with uncomplicated pregnancies. STUDY DESIGN: This was a systematic review and metaanalysis of observational studies. A search was performed in PubMed, Embase, Cochrane, and Cinahl including articles from inception to Feb. 27, 2013. Included were cohort studies and case-control studies. Cases were women with a history of hypertension in pregnancy, control subjects were women with a history of uncomplicated pregnancies. Of the 3136 found, 21 studies on 16 nonclassic cardiovascular biomarkers are described in this review; 12 studies on 5 biomarkers were included in the metaanalysis. RESULTS: Women with a history of hypertensive pregnancy disorders had a higher homocysteine level compared with women with a history of uncomplicated pregnancies (5 studies; pooled mean difference, 0.77 ng/mL; 95% confidence interval, 0.27-1.26; P < .01). For the other nonclassic cardiovascular biomarkers including markers in areas of inflammation, thrombosis, and angiogenesis, we found no significant differences. CONCLUSION: This review and metaanalysis showed that women with a history of hypertensive pregnancy disorders have higher homocysteine levels compared with women with a history of uncomplicated pregnancies. These data suggest persistent endothelial alteration after pregnancies complicated by hypertensive disorders.
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