期刊
PLACENTA
卷 33, 期 6, 页码 495-501出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.placenta.2012.03.003
关键词
Preeclampsia; Uterine artery; PAP P-A; PIGF; PP-13; Free beta-hCG
Objective: To evaluate the detection of pregnancy hypertensive disorders by integrating maternal history, serum biomarkers and uterine artery Doppler in the first trimester. Methods: We prospectively recruited 2118 women that underwent an 11-13 weeks aneuploidy screening. We gathered information on maternal history, uterine artery Doppler and serum biomarkers (PAPP-A, PIGF, PP-13 and free beta-hCG). Models were developed for the prediction of overall preeclampsia (PE), early-onset PE, late-onset PE and gestational hypertension (GH). For each outcome, we performed a multivariate logistic regression starting from the saturated model: adopting a step-down procedure we excluded all factors not statistically significant (p > 0.05). Sensitivity models only for statistically significant parameters were calculated from the ROC curves for fixed false-positive rates (FPR). Results: Among 2118 women, 46 (2.17%) developed GH and 25 (1.18%) were diagnosed with PE, including 12 (0.57%) early-onset PE and 13 (0.61%) late-onset PE. For a fixed FPR of 10 and 5%, serum PIGF, free beta-hCG and chronic hypertension identified respectively 67 and 75% of women who developed early-onset PE. In the model for the prediction of overall PE the combination of the uterine artery Doppler pulsatility index (UtA PI) with PIGF and chronic hypertension reached a sensitivity of 60% for a 20% of FPR. Conclusion: An integration of maternal characteristics and first trimester maternal serum biomarkers (free beta-hCG and PIGF) provided a possible screening for early-onset PE. In the overall PE model, UtA PI turned out to be statistically significant but did not improve the detection rate. (C) 2012 Elsevier Ltd. All rights reserved.
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