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Soluble vascular endothelial growth factor receptor 1 (sVEGFR-1), which antagonizes VEGF functions, has been implicated in the pathophysiology of preeclampsia. The purpose of this study was to determine whether preeclampsia is associated with a change in the plasma concentration of sVEGFR-1, and, if so, whether such a change is correlated with the severity of the disease.

A cross-sectional study was conducted to determine the concentrations of sVEGFR-1 in plasma obtained from normal pregnant women (n=61) and patients with preeclampsia (n=61). Plasma concentrations of sVEGFR-1 were determined by enzyme-linked immunoassay.

Preeclampsia had a higher median plasma concentration of sVEGFR-1 than normal pregnancy (P < .001). The median plasma concentration of sVEGFR-1 was higher in early-onset (≤34 weeks) than late-onset (>34 weeks …