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MATERNAL RACIAL ORIGIN AND PREECLAMPSIA: COHORT STUDY AND SYSTEMATIC REVIEW WITH META-ANALYSIS
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  • Anastasija ARECHVO,
  • Diana VOICU,
  • Mar Gil,
  • Argyro Syngelaki,
  • Ranjit Akolekar,
  • Kypros Nicolaides
Anastasija ARECHVO
King's College Hospital

Corresponding Author:anastasija.arechvo@nhs.net

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Diana VOICU
King's College Hospital
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Mar Gil
Hospital Universitario de Torrejon
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Argyro Syngelaki
King's College Hospital
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Ranjit Akolekar
Medway Maritime Hospital
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Kypros Nicolaides
Fetal Medicine Institute
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Abstract

Objectives: To examine the association between racial origin and preeclampsia(PE) and gestational hypertension(GH) after adjustment for factors in maternal characteristics and medical history in screening study from the Fetal Medicine Foundation (FMF) in England, and to perform a systematic review and meta-analysis of studies on PE. Methods: In the FMF data regression analysis was performed to examine the association between racial origin and PE or GH. Literature search to December 2021 was carried out to identify peer-reviewed publications on race and PE. Main outcome measure: Relative risk of PE and GH in women of black, South Asian and East Asian racial origin by comparison to white women. Results: In the FMF study there were 168,966 singleton pregnancies without major abnormalities delivering at ≥24 weeks’ gestation. In black women the respective risk of total-PE and preterm-PE was 2-fold and 2.5-fold higher and risk of GH was 25% higher, in South Asian women there was a 1.5-fold higher risk of preterm-PE but not total-PE, and in East Asian women there was no significant difference in risk of hypertensive disorders. The literature search identified 19 studies that provided data on several million of pregnancies, but 17 were at moderate or high-risk of bias and only three provided risks adjusted for some maternal characteristics; consequently, these studies did not provide accurate contribution of different racial groups to the prediction of PE. Conclusion: In women of black and South Asian origin the risk of PE, after adjustment for confounders, is higher than in white women
04 Jan 2022Submitted to BJOG: An International Journal of Obstetrics and Gynaecology
27 Jan 2022Submission Checks Completed
27 Jan 2022Assigned to Editor
02 Feb 2022Reviewer(s) Assigned
07 Mar 2022Review(s) Completed, Editorial Evaluation Pending
21 Mar 2022Editorial Decision: Revise Major
04 Apr 20221st Revision Received
17 Apr 2022Submission Checks Completed
17 Apr 2022Assigned to Editor
17 Apr 2022Review(s) Completed, Editorial Evaluation Pending
16 May 2022Editorial Decision: Accept