Adverse maternal and perinatal outcomes in women with previous preeclampsia: a prospective study
2011

Adverse Outcomes in Women with Previous Preeclampsia

Sample size: 500 publication 10 minutes Evidence: high

Author Information

Author(s): Bramham Kate, Briley Annette L., Seed Paul, Poston Lucilla, Shennan Andrew H., Chappell Lucy C.

Primary Institution: King's College London

Hypothesis

Women with a history of preeclampsia that required preterm delivery are at high risk for recurrence and adverse neonatal outcomes.

Conclusion

Women with previous preeclampsia that required early delivery are at high risk of developing preeclampsia again and experiencing adverse neonatal outcomes.

Supporting Evidence

  • Preeclampsia reoccurred in 117 women (23%) in the study.
  • Women with previous delivery at <34 weeks' gestation were more likely to deliver preterm again.
  • Predictive factors for recurrence included black or Asian ethnicity and current antihypertensive use.

Takeaway

If a mom had high blood pressure during her last pregnancy and had to deliver early, there's a good chance it could happen again, and her baby might have problems too.

Methodology

This was a prospective study following 500 women with previous preeclampsia requiring delivery at less than 37 weeks' gestation.

Potential Biases

Potential bias due to reliance on self-reported data and the exclusion of women with multiple pregnancies.

Limitations

The study may not be generalizable to populations with different ethnic compositions or healthcare access.

Participant Demographics

The study included women of various ethnicities, with a notable representation of black and Asian women.

Statistical Information

P-Value

p<0.0001

Confidence Interval

95% CI for various odds ratios provided in the results.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.ajog.2011.02.014

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