Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
1998-1-29
pubmed:abstractText
We determined the type and frequency of abnormal sonographic findings in 187 Down syndrome fetuses. Examinations were performed transvaginally or transabdominally between 9 and 28 weeks' gestation. Consecutive scans performed prior to knowledge of the fetal karyotype (n = 144) were analysed separately for one of the participating centres. In 93 fetuses (49.7 per cent), a total of 138 abnormalities were observed. The most commonly detected anomalies were cystic hygroma and increased nuchal fold thickness (30.5 per cent), hydrops (9.6 per cent), cardiac defects (7.5 per cent), pyelectasis or hydronephrosis (5.9 per cent), echogenic bowel (4.8 per cent), and a large variety of internal organ abnormalities (16.0 per cent) which are not typically associated with Down syndrome. Two anomalies or three anomalies in the same fetus were observed in 21 and 5 fetuses, respectively. No patterns of concurrent malformations were apparent among these fetuses. Sensitivity for Down syndrome detection by ultrasound scans performed without knowledge of the fetal karyotype was 24.1 and 42.6 per cent before 13 weeks and between 14 and 23 weeks, respectively. We conclude that structural abnormalities are frequently observed in Down syndrome fetuses, but many sonographic findings are not typically associated with this syndrome.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0197-3851
pubmed:author
pubmed:issnType
Print
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1001-9
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Prenatal sonographic findings in 187 fetuses with Down syndrome.
pubmed:affiliation
Department of Obstetrics and Gynecology, Yale University School of Medicine, New Haven, Connecticut, USA.
pubmed:publicationType
Journal Article, Clinical Trial