Nuchal translucency and cardiac abnormalities in euploid singleton pregnancies

Autor: Melissa Spiel, Peter Benn, Garry Turner, Bahram Salmanian, Samadh F. Ravangard, Pouya Javadian, Winston A. Campbell, Alireza A. Shamshirsaz, Deborah Feldman, Adam Borgida, Amirhoushang A. Shamshirsaz
Rok vydání: 2013
Předmět:
Zdroj: The journal of maternal-fetalneonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians. 27(5)
ISSN: 1476-4954
Popis: To investigate different cut-off levels of nuchal translucency (NT) to predict abnormal cardiac findings (ACF) in second trimester ultrasound examination and confirmed postnatal congenital heart defects (CHD) in euploid pregnancies.A retrospective analysis was performed on singleton pregnancies examined in our ultrasound units from 2006 to 2011. Fetuses with an abnormal karyotype were excluded. Different cut-off levels of NT thickness were analyzed to evaluate its performance to detect the ACF on second trimester ultrasound (2nd US) examination and also the CHD detected in neonatal follow-up evaluation of ACF cases.Of the 12,840 cases, a total number of 8541 euploid pregnancies were included in the study. Thirty-three had ACFs detected by 2nd US (3.86/1000). The mean NT thickness was found to be higher in fetuses with ACFs (p 0.0001). Of 33 ACFs, 17 (52%, 1.99/1000) had major CHDs in neonatal follow-up. The area under the ROC curves for NT thickness to predict ACFs and CHDs were 0.67 and 0.65, respectively.Higher NT thickness is associated with higher risk of ACF. NT is a weak predictor of ACF and major CHD; however, fetuses with an unexplained increase in NT measurement should be referred for further cardiac investigations.
Databáze: OpenAIRE