4.7 Article

Performance of first trimester biochemical markers and mean arterial pressure in prediction of early-onset pre-eclampsia

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METABOLISM-CLINICAL AND EXPERIMENTAL
卷 75, 期 -, 页码 6-15

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W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2017.07.004

关键词

Early onset pre-eclampsia; First trimester aneuploidy screening; Maternal serum biomarkers; Pregnancy complication

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  1. [K59778]

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Objective. To develop a predictive risk model for early-onset pre-eclampsia (EO-PE) using maternal characteristics, combined screening markers, previously reported biomarkers for PE and mean arterial pressure (MAP). Methods. This retrospective study was conducted at Oulu University hospital between 2006 and 2010. Maternal serum from first trimester combined screening was further analyzed for alpha fetoprotein (AFP), placental growth factor (P1GF), soluble tumor necrosis factor receptor-1 (sTNFR1), retinol binding protein-4 (RBP4), a disintegrin and metalloprotease-12 (ADAM12), soluble P-selectin (sP-selectin), follistatin like-3 (FSTL3), adiponectin, angiopoietin-2 (Ang-2) and sex hormone binding globulin (SHBG). First, the training sample set with 29 cases of EO-PE and 652 controls was developed to study whether these biomarkers separately or in combination with prior risk (maternal characteristics, first trimester pregnancy associated plasma protein-A (PAPP-A) and free beta human chorionic gonadotrophin (f beta-hCG)) could be used to predict the development of EO-PE. Second, the developed risk models were validated with a test sample set of 42 EO-PE and 141 control subjects. For the test set MAP data was also available. Results. Single marker statistically significant (ANOVA p < 0.05) changes between control and EO-PE pregnancies were observed with AFP, RBP4 and sTNFR1 with both training and test sample sets. Based on the test sample set performances, the best detection rate, 47% for a 10% false positive rate, was achieved with P1GF and sTNFR1 added with prior risk and MAP. Conclusion. Based on our results, the best first trimester biomarkers, to predict the subsequent EO-PE were AFP, P1GF, RBP4 and sTNFR1. The risk models that performed best for the prediction of EO-PE included prior risk, MAP, sTNFR1 and AFP or P1GF or RBP4. (C) 2017 Elsevier Inc. All rights reserved.

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