Continuous Risk Assessment of Late and Term Preeclampsia Throughout Pregnancy: A Retrospective Cohort Study
2024

Improving Preeclampsia Detection Throughout Pregnancy

Sample size: 5000 publication 10 minutes Evidence: high

Author Information

Author(s): Valeria Rolle, Petya Chaveeva, Ander Diaz-Navarro, Irene Fernández-Buhigas, Diana Cuenca-Gómez, Tanya Tilkova, Belén Santacruz, Teresa Pérez, Maria M. Gil, Simone Ferrero

Primary Institution: Hospital Universitario de Torrejón, Madrid, Spain

Hypothesis

Can repeated biomarker measurements throughout pregnancy improve the detection of preeclampsia?

Conclusion

Using repeated biomarker measurements throughout pregnancy significantly improves the prediction accuracy of preeclampsia from 50% to approximately 84%.

Supporting Evidence

  • 4056 pregnancies were included in the training set and 944 in the validation set.
  • The AUROC improved from 0.50 in the first trimester to 0.84 in the third trimester.
  • Detection rates for preeclampsia improved significantly with repeated measurements.
  • Longitudinal models allow for continuous risk assessment throughout pregnancy.
  • Statistical methods considered the endogenous nature of longitudinal variables.

Takeaway

Doctors can check pregnant women multiple times to better predict if they will get a serious condition called preeclampsia, which can be harmful to both moms and babies.

Methodology

This study used a longitudinal retrospective design, analyzing data from pregnancies that included repeated biomarker measurements.

Potential Biases

Differences in maternal characteristics between training and validation datasets may introduce bias.

Limitations

The study's retrospective design may lead to non-random data loss and a relatively small number of preeclampsia cases, affecting the precision of estimates.

Participant Demographics

Participants were primarily White, with a mix of spontaneous and assisted conceptions, and varied maternal ages and BMI.

Statistical Information

P-Value

0.50

Confidence Interval

95% CI 0.73 to 0.94

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/medicina60121909

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