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Archives of Gynecology and Obstetrics

, Volume 298, Issue 5, pp 911–920 | Cite as

A prospective cohort study on the prediction of the diagnosis-to-delivery time in preeclamptic pregnancies: should the sFlt-1/PlGF ratio be added to routine evaluations?

  • Semir Kose
  • Gamze Tuna
  • Gülnar Nuriyeva
  • Sabahattin Altunyurt
  • Gül Hüray Islekel
  • Omer Erbil Doğan
Maternal-Fetal Medicine
  • 102 Downloads

Abstract

Purpose

To analyze the clinical and laboratory factors that potentially affect the diagnosis-to-delivery time in preeclamptic pregnancies.

Methods

In this cross-sectional study, we followed 24 early onset preeclampsia (E-PE) and 26 late-onset preeclampsia (L-PE) cases. Maternal serum samples were obtained at the time of diagnosis and stored at − 80 °C until ELISA analysis for soluble fms-like tyrosine kinase-1 (SFlt-1) and placental growth factor (PlGF) levels.

Results

The median follow-up duration was 68 (1–339) h in the E-PE group and 330 (7–1344) h in the L-PE group. Maternal mean arterial pressure (MAP) at hospitalization was the strongest variable, and the sFlt-1/PlGF ratio added significantly to the Cox regression model. In the E-PE cases, the median sFlt-1/PlGF ratio was significantly higher in the subgroup with a follow-up duration > 48 h than in the subgroup of cases with a follow-up duration ≤ 48 h (5109 vs. 2080; p = 0.038), and none of the seven cases with an sFlt-1/PlGF ratio ≥ 75th percentile delivered during the first 48 h. Neither the 24-h proteinuria nor the gestational age at diagnosis added to the predictive power of the MAP at hospitalization.

Conclusion

Incorporation of the sFlt-1/PlGF ratio to the routine evaluation of preeclamptic pregnancies may help in the prediction of progression and management planning.

Keywords

Diagnosis-to-delivery time Preeclampsia Placental growth factor Soluble fms-like tyrosine kinase sFlt-1/PlGF ratio 

Notes

Author contributions

SK: involved in protocol development, data collection, data analysis, and manuscript writing; GT: laboratory analysis and data collection; GN: protocol development and data collection; SA: protocol development and manuscript editing; GHI: laboratory analysis and manuscript editing; OED: protocol development and manuscript editing.

Funding

This research was supported by a grant from Dokuz Eylul University Scientific Research Projects Coordination Unit.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Division of Perinatology, Department of Obstetrics and GynecologyDokuz Eylul University School of MedicineIzmirTurkey
  2. 2.Department of Molecular MedicineDokuz Eylul University Institute of Health SciencesIzmirTurkey
  3. 3.Department of Medical BiochemistryDokuz Eylul University School of MedicineIzmirTurkey

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