Maternal Serum Placental Growth Factor in Prospective Screening for Aneuploidies at 8-13 Weeks' Gestation

被引：54

作者：

Pandya, Pranav ^{[2
]}

Wright, David ^{[3
]}

Syngelaki, Argyro ^{[1
]}

Akolekar, Ranjit ^{[4
]}

Nicolaides, Kypros H. ^{[1
,2
]}

机构：

[1] Kings Coll Hosp London, Harris Birthright Res Ctr Fetal Med, London SE5 9RS, England

[2] Univ Coll London Hosp, Dept Fetal Med, London, England

[3] Univ Plymouth, Sch Comp & Math, Plymouth PL4 8AA, Devon, England

[4] Medway Maritime Hosp, Dept Fetal Med, Gillingham, England

来源：

FETAL DIAGNOSIS AND THERAPY | 2012年 / 31卷 / 02期

关键词：

First-trimester screening; Placental growth factor; Nuchal translucency; Free beta-human chorionic gonadotropin; Pregnancy-associated plasma protein A; NUCHAL-TRANSLUCENCY THICKNESS; TRISOMY-21; PREGNANCY; PREDICTION; AGE;

D O I：

10.1159/000335684

中图分类号：

R71 [妇产科学];

学科分类号：

100211 ;

摘要：

Objective:To investigate whether measurement of maternal serum placental growth factor (PLGF) can improve the performance of first-trimester combined screening for trisomy-21 by fetal nuchal translucency (NT) thickness and serum free beta-human chorionic gonadotropin (beta-hCG) and PAPP-A. Methods: In singleton pregnancies attending for routine care, serum PLGF, free beta-hCG and PAPP-A were measured at 8(+0)-13(+6) weeks' gestation, and fetal NT was measured at 11(+0)-13(+6) weeks. The population included 12,154 normal and 44 trisomy-21 pregnancies. We examined the effect of adding PLGF on the performance of screening by the combined test. Results: In the trisomy-21 pregnancies the median multiple of the normal median PLGF, adjusted for gestational age, maternal weight, racial origin, smoking status and method of conception, was significantly reduced (0.6070, 95% Cl 0.5543-0.6648), and this did not change significantly with gestational age. Adding PLGF to combined testing with a risk cut-off of 1 in 100 reduced the false positive rate from 2.7% (95% Cl 2.5-3.0) to 2.6% (95% Cl 2.4-2.8) and increased the detection rate from 85% (95% Cl 75-93) to 88% (95% Cl 78-95). Conclusions: Inclusion of serum PLGF improves the performance of the first-trimester combined test in screening for trisomy-21. Copyright (C) 2012 S. Karger AG, Basel

引用

页码：87 / 93

页数：7

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