| Fetal echocardiographic evaluation of atrial morphology and the prediction of laterality in cases of heterotaxy syndromes. | |
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MedLine Citation:
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PMID: 16184509 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate whether abnormal atrial morphology, which is well recognized in autopsy series, is detectable by fetal echocardiographic examination of the four-chamber view, and can therefore be utilized to differentiate left from right isomerism in heterotaxy syndromes. METHODS: This study was a retrospective review of 30 cases with prenatally diagnosed heterotaxy syndromes. Ultrasound video recordings and still images were reviewed with respect to atrial morphology in the four-chamber view. In 25 cases the morphology of both atria was sufficiently well visualized on the recordings to be evaluated and only these were included in the study. RESULTS: Two types of atrial morphology were distinguished in our cohort: a sickle-shape with the tip pointing laterally and apically, and a blunt shape resembling the usual atrial appearance in the four-chamber view. Nineteen out of the 25 cases (76%) presented with isomerism of the atria in the four-chamber view. Thirteen had bilateral sickle-shaped atrial morphology, all associated with left isomerism. Six had bilateral blunt-shaped atrial morphology, all associated with right isomerism. The atria of the remaining six cases were not isomeric, the right atrium being sickle-shaped and the left blunt-shaped. Five of the latter cases were associated with left and one with right isomerism. CONCLUSIONS: The majority of prenatally diagnosed heterotaxy syndromes seem to present with isomeric atrial morphology in the four-chamber view. In these cases a differentiation between left and right isomerism can be based on the two distinct types of atrial morphology. This may further enhance the prenatal differentiation of these syndromes. |
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Authors:
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C Berg; A Geipel; T Kohl; J Smrcek; U Germer; A A Baschat; M Hansmann; U Gembruch |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology Volume: 26 ISSN: 0960-7692 ISO Abbreviation: Ultrasound Obstet Gynecol Publication Date: 2005 Oct |
Date Detail:
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Created Date: 2005-09-29 Completed Date: 2006-02-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9108340 Medline TA: Ultrasound Obstet Gynecol Country: England |
Other Details:
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Languages: eng Pagination: 538-45 Citation Subset: IM |
Copyright Information:
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Copyright (c) 2005 ISUOG. |
Affiliation:
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Department of Obstetrics and Prenatal Medicine, University of Bonn, and Division of Prenatal Medicine, University Hospital Schleswig-Holstein, Lübeck, Germany. Christoph.Berg@ukb.uni-bonn.de |
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| MeSH Terms | |
Descriptor/Qualifier:
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Chi-Square Distribution Echocardiography / methods* Female Heart Atria / embryology, ultrasonography Heart Defects, Congenital / embryology, ultrasonography* Humans Infant, Newborn Predictive Value of Tests Pregnancy Retrospective Studies Syndrome Ultrasonography, Prenatal / methods* |
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