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  • Title: First-trimester serum levels of soluble endoglin and soluble fms-like tyrosine kinase-1 as first-trimester markers for late-onset preeclampsia.
    Author: Baumann MU, Bersinger NA, Mohaupt MG, Raio L, Gerber S, Surbek DV.
    Journal: Am J Obstet Gynecol; 2008 Sep; 199(3):266.e1-6. PubMed ID: 18771978.
    Abstract:
    OBJECTIVE: The aim of this investigation was to assess soluble endoglin (sEng) and soluble fms-like tyrosine kinase-1 (sFlt1) as first-trimester serum markers to predict preeclampsia. STUDY DESIGN: First-trimester sera were obtained from 46 women with subsequent late-onset preeclampsia and from 92 controls. sEng and sFlt1 concentrations were determined immunoanalytically. Correlation analysis with inhibin A and placental growth factor levels was performed. RESULTS: sEng and sFlt1 serum concentrations were higher in women with subsequent preeclampsia than in controls (mean +/- SD, sEng: 5.57 +/- 1.18 ng/mL vs 5.02 +/- 1.01 ng/mL, P = .009; sFlt1: 1764 +/- 757 pg/mL vs 1537 +/- 812 pg/mL, P = .036). Sensitivities and specificities for predicting preeclampsia were 63% and 57% for sEng and 64% and 56% for sFlt1, respectively. When sEng and inhibin A were combined, the sensitivity increased to 68%, whereas the specificity was 61%. CONCLUSION: sEng and sFlt1 are increased in the first trimester in women with subsequent late-onset preeclampsia and might therefore prove useful to predict preeclampsia.
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