Document Detail

Multiplanar review of three-dimensional echocardiography gives new insights into the morphology of Ebstein's malformation.
MedLine Citation:
PMID:  20085664     Owner:  NLM     Status:  MEDLINE    
INTRODUCTION: We aimed to assess the ability of the multiplanar review modality of three-dimensional echocardiography to examine the dynamic morphology and the functional characteristics of malformed tricuspid valves in patients previously identified as having Ebstein's malformation. Based on these characteristics, we attempted to differentiate Ebstein's malformation from tricuspid valvar dysplasia. METHODS: Using three-dimensional multiplanar review, analysed with either Qlab 6.0 or Tomtech Image Arena 3.0, we studied 23 patients, aged from 1 day to 70 years, previously diagnosed using cross-sectional echocardiography as having Ebstein's malformation. RESULTS: Using the features of rotational abnormality, and the orientation, of the effective tricuspid valvar orifice as diagnostic features of Ebstein's malformation, we reclassified 11 patients (48 per cent) as exhibiting tricuspid valvar dysplasia. In addition, we studied the dynamic morphology as well as the function of the tricuspid valve. Surgical treatment was undertaken on 10 patients, revealing good correlation with the findings obtained using three-dimensional multiplanar review. In those with Ebstein's malformation, we found varying degrees of rotation, with the effective valvar orifice always directed towards the right ventricular outflow tract. The opening of the orifice of dysplastic tricuspid valves, in contrast, was towards the apex of the right ventricle. The degree of delamination, and abnormalities of subcordal apparatus, were similar in the two groups.DISCUSSION: Three-dimensional multiplanar review permits accurate definition of the dynamic morphology of Ebstein's malformation, permitting clear differentiation from tricuspid valvar dysplasia.
Tara Bharucha; Robert H Anderson; Zek S Lim; Joseph J Vettukattil
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Publication Detail:
Type:  Journal Article     Date:  2010-01-19
Journal Detail:
Title:  Cardiology in the young     Volume:  20     ISSN:  1467-1107     ISO Abbreviation:  Cardiol Young     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-03-30     Completed Date:  2010-07-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9200019     Medline TA:  Cardiol Young     Country:  England    
Other Details:
Languages:  eng     Pagination:  49-53     Citation Subset:  IM    
From Congenital Cardiac Centre (TB, ZSL, JJV), Southampton University NHS Trust, Southampton, United Kingdom.
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MeSH Terms
Child, Preschool
Cohort Studies
Ebstein Anomaly / pathology,  surgery,  ultrasonography*
Echocardiography, Three-Dimensional / methods*
Follow-Up Studies
Infant, Newborn
Middle Aged
Sensitivity and Specificity
Severity of Illness Index
Tricuspid Valve / abnormalities,  ultrasonography*
Tricuspid Valve Insufficiency / physiopathology,  surgery,  ultrasonography*
Ultrasonography, Doppler, Color
Young Adult

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

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