Document Detail


Factors influencing the prenatal detection of structural congenital heart diseases.
MedLine Citation:
PMID:  12528156     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To assess the factors influencing the prenatal detection rate of structural congenital heart diseases (CHDs). METHODS: A retrospective study was conducted at a major obstetric hospital in Australia between 1 January 1996 and 30 June 1999. The medical records of all fetuses and infants born with CHD, except those with isolated patent ductus arteriosus or secundum atrial septal defect, were reviewed. Only pregnancies that had prenatal ultrasound scan assessments for morphological surveys were included. The following factors that may influence the detection rate were assessed: complexity of the lesions; experience of the sonographers (performance in tertiary versus non-tertiary institutions); presence of other structural or chromosomal anomalies; and maternal body mass index (BMI). RESULTS: The incidence of structural CHD in this series, excluding cases referred from other hospitals, was 7.0 per 1000 (179/25 529). Of the 179 pregnancies with CHD, 151 had prenatal ultrasound scans and were included in the study. The overall detection rate for CHDs in this series was 40.4%. The detection rate for isolated septal defects was poor (13.7%). The detection rates were significantly higher for complex lesions (54%), for lesions with concomitant septal defects (66.7%), and for lesions with abnormal four-chamber views (62.9%). The detection rate was also higher if the scan was performed in the tertiary institution, and if there were other chromosomal or structural anomalies. Maternal BMI did not affect the detection rate in the current series. Stepwise logistic regression analysis showed that three independent variables affecting the detection rate were complexity of the cardiac lesion, experience of the operator, and the detection of chromosomal anomalies. CONCLUSION: A high detection rate for major CHDs can be achieved in a screening setting but there is still room for improvement in scanning skills in the four-chamber view and great-artery analysis in both tertiary and local centers.
Authors:
S F Wong; F Y Chan; R B Cincotta; A Lee-Tannock; C Ward
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology     Volume:  21     ISSN:  0960-7692     ISO Abbreviation:  Ultrasound Obstet Gynecol     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2003-01-15     Completed Date:  2003-05-19     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9108340     Medline TA:  Ultrasound Obstet Gynecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  19-25     Citation Subset:  IM    
Copyright Information:
Copyright 2002 ISUOG. Published by John Wiley & Sons, Ltd.
Affiliation:
Department of Maternal Fetal Medicine, Mater Mothers' Hospital, South Brisbane, Queensland, Australia. shellwong@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Down Syndrome / ultrasonography
Female
Heart Defects, Congenital / ultrasonography*
Hospitalization
Humans
Pregnancy
Regression Analysis
Retrospective Studies
Sensitivity and Specificity
Trisomy
Ultrasonography, Prenatal / standards*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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