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.
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This research was supported by a grant from Dokuz Eylul University Scientific Research Projects Coordination Unit.
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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.
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Kose, S., Tuna, G., Nuriyeva, G. et al. 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?. Arch Gynecol Obstet 298, 911–920 (2018). https://doi.org/10.1007/s00404-018-4903-5
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DOI: https://doi.org/10.1007/s00404-018-4903-5