Objective: We aimed to investigate how maternal serum soluble Fms-like kinase 1 (sFlt-1), placental growth factor (PlGF), and sFlt-1/PlGF ratio prospectively associate to preeclampsia (PE) and clinical subtypes.
Methods: In an unselected cohort of 1909 pregnant women, sFlt-1 and PlGF were measured with KRYPTOR assays in gestational weeks (GW) 8-14 and 20-34. Associations to PE were assessed by receiver operating characteristics and logistic regression.
Results: Concentrations of sFlt-1, PlGF, and sFlt-1/PlGF in GW20-34 were predictive of PE development, but not in GW8-14. PlGF outperformed sFlt-1/PlGF ratio with an area under curve (AUC) of 0.755 vs. 0.704, p = 0.002. The highest AUC values for PlGF and sFlt-1/PlGF ratio were seen for severe early-onset PE (0.901 and 0.883). Negative predictive values were high for all PE types, but positive predictive values were low.
Conclusion: PlGF and sFlt-1/PlGF had good predictive value for PE at GW20-34 in a population-based unselected cohort, however with low positive predictive value.
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http://dx.doi.org/10.3109/10641955.2016.1167219 | DOI Listing |
Pregnancy Hypertens
January 2025
Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, University of Chicago Medical Center, Chicago, IL, USA. Electronic address:
Background: Preeclampsia is a key cause of prematurity in the U.S. and incurs significant healthcare costs.
View Article and Find Full Text PDFmedRxiv
January 2025
University of Arizona, College of Nursing, Division of Nursing and Health Sciences, Tucson, Arizona.
Postpartum hemorrhage (PPH) is the leading cause of maternal mortality worldwide, which is often attributed to retained placenta (RP) after delivery. There are no biomarkers currently used to predict a risk of developing RP/PPH prior to labor. The objective of this study was to determine relationships between placental biomarkers measured in the first and second trimesters and proxy measures of postpartum blood loss relative to preeclampsia status in the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be (nuMoM2b) dataset.
View Article and Find Full Text PDFPregnancy Hypertens
January 2025
Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis, Tunisia; Department of Biological Sciences, Brock University, St. Catharines, Canada. Electronic address:
Unlabelled: Preeclampsia (PE) is a pregnancy-specific vascular disorder associated with endothelial dysfunction, hypertension, and proteinuria. The methylenetetrahydrofolate reductase (MTHFR) enzyme regulates essential cellular functions in pregnancy owing to its effects on folate metabolism and DNA methylation. Previous studies implicated the association of rs1801133 (C677T; Ala222Val) and rs1801131 (A1298C; Glu429Ala) in the MTHFR gene with PE in different ethnic groups, but with mixed outcomes.
View Article and Find Full Text PDFNat Med
January 2025
Departament de Pediatria, Obstetrícia i Ginecologia i de Medicina Preventiva i Salut Pública, Universitat Autònoma de Barcelona, Bellaterra, Spain.
Small fetuses, with estimated fetal weight (EFW) below the tenth percentile, are classified as fetal growth restriction (FGR) or small for gestational age (SGA) based on prenatal ultrasound. FGR fetuses have a greater risk of stillbirth and perinatal complications and may benefit from serial ultrasound scans to guide early delivery. Abnormal serum angiogenic factors, such as the soluble fms-like tyrosine kinase-1 (sFlt-1):placental growth factor (PlGF) ratio, have shown potential to more accurately distinguish FGR from SGA, with fewer false positives.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Medical Chemistry and Biochemistry, Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria.
The present study aimed to investigate and compare oxidative stress biomarkers and antioxidant enzyme activity in the serum of women at risk of developing preeclampsia (PE) to prevent adverse pregnancy outcomes through early intervention. Changes in soluble fms-like tyrosine kinase-1 (sFlt-1) and placental growth factor (PlGF) levels were measured between 11 and 13 gestational weeks (gw.) before the onset of preeclampsia and its associated complications.
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