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Hormozgan University of Medical Sciences

Pregnancy Outcome of Abnormal Nuchal Translucency: A Systematic Review

(2017) Pregnancy Outcome of Abnormal Nuchal Translucency: A Systematic Review. Journal of Clinical and Diagnostic Research. 2017 Mar, Vol-11(3): QC12-QC16.

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Abstract

Introduction: Nuchal Translucency (NT) is the sonographic form of subcutaneous gathering of liquid behind the foetal neck in the first trimester of pregnancy. There is association of increased NT with chromosomal and non-chromosomal abnormalities. Aim: The purpose of this systemic review was to review the pregnancy outcome of abnormal nuchal translucency. Materials and Methods: The present systematic review was conducted by searching English language articles from sources such as International Medical Sciences, Medline, Web of science, Scopus, Google Scholar, PubMed, Index Copernicus, DOAJ, EBSCO-CINAHL. Persian articles were searched from Iranmedex and SID sources. Related key words were “outcome"," pregnancy", "abnormal", and "Nuchal Translucency" (NT). All, randomized, descriptive, analytic-descriptive, case control study conducted during 1997-2015 were included. R esults: Including duplicate articles, 95 related articles werefound. After reviewing article titles, 30 unrelated article and abstracts were removed, and 65 articles were evaluated of which 30 articles were duplicate. Finally 22 articles were selected for final analysis. Exclusion criteria were, case studies and reports and quasi experimental designs. This evaluation has optioned negative relationship between nuchal translucency and pregnancy result. Rate of cardiac, chromosomal and other defects are correlated with increased NT≥2.5mm. Cardiac disease which were associated to the increased NT are heart murmur, systolic organic murmur, Atrial Septal Defect (ASD), Ventricular Septal Defect (VSD), tricuspid valve insufficiency and pulmonary valve insufficiency, Inferior Vena Cava (IVC) and Patent Ductus Arteriosus (PDA). The most common problems that related with increased NT were allergic symptoms. C onclusion: According to this systematic review, increased NT is associated with various foetal defects. To verify the presence of malformations, birth defect consultations with a perinatologist and additional tests are required.

Item Type: Article
Keywords: Chromosomal abnormalities, Defect, Foetal
Subjects: WQ Obstetrics > WQ 200-212 Reproduction. Pregnancy
Divisions: Research Vice-Chancellor Department > Mother and Child Welfare Research Center
Depositing User: مرکز تحقیقات بهداشت مادر و کودک
URI: http://eprints.hums.ac.ir/id/eprint/3397

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