Document Detail

Anomalies associated with a prominent azygos vein on echocardiography in the pediatric population.
MedLine Citation:
PMID:  20138465     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Prominent azygos veins (PAVs) have been described with interrupted inferior venae cavae (IVCs) with heterotaxy. At the authors' institution, cases of PAVs with uninterrupted IVCs have been noted. The aim of this study was to determine the occurrence rate of PAVs and associated lesions by echocardiography. METHODS: All patients with PAVs were collected; those with interrupted and uninterrupted IVCs were assigned to groups 1 and 2. Normal controls were assigned to group 3. RESULTS: Among 15,849 patients from January 1, 2001, to March 31, 2008, 55 (0.3%) had PAVs, 42 (76%) in group 1 and 13 (24%) in group 2. Heterotaxy was prominent in group 1, whereas patients in group 2 had no heterotaxy. Patients in group 2 had more structurally normal hearts than those in group 1 (46% vs 14%, P<.01), partial anomalous pulmonary venous return, and one single ventricle. IVC measurements were the same in groups 2 and 3 (P=.65). CONCLUSIONS: This study demonstrates that a PAV without IVC interruption is not associated with heterotaxy. Patients with PAVs should be carefully examined for partial anomalous pulmonary venous return.
Rajesh Punn; Inger Olson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography     Volume:  23     ISSN:  1097-6795     ISO Abbreviation:  J Am Soc Echocardiogr     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-03-08     Completed Date:  2010-06-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8801388     Medline TA:  J Am Soc Echocardiogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  282-5     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved.
Stanford University, Lucile Packard Children's Hospital, Palo Alto, California 94304, USA.
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MeSH Terms
Azygos Vein / abnormalities*,  ultrasonography*
Child, Preschool
Echocardiography / methods*

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