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Persistent right umbilical vein: a prenatal condition worth mentioning?
MedLine Citation:
PMID:  20922781     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVES: To investigate the incidence and clinical impact of prenatally diagnosed persistent right umbilical vein (PRUV) in a referral population and to evaluate the findings together with those from previous publications.
METHODS: This was a retrospective analysis of 39 cases with PRUV diagnosed in three tertiary referral centers for prenatal medicine between 1996 and 2009. Fetuses with situs inversus, situs ambiguous and heterotaxy (left and right isomerism) were excluded. During the study period 46 653 consecutive high- and low-risk pregnancies were examined. The prenatal sonograms and neonatal outcome data of affected individuals were reviewed. Our findings were analyzed together with findings retrieved from the scientific literature.
RESULTS: Twenty-nine fetuses had an isolated PRUV as a single anomaly, whereas 10/39 (25.6%) were found to have PRUV accompanied by additional minor and major abnormalities. These anomalies comprised mainly cardiovascular, genitourinary and gastrointestinal malformations. In common with our series, previously published cases of isolated PRUV (n = 197) displayed an uneventful course of pregnancy and a favorable postnatal outcome. Sixty-six previously reported cases of PRUV with additional anomalies were identified in the literature. Intrahepatic umbilical drainage is the most frequent type of PRUV. Including our cases, there were 16 cases (5.3%) with extrahepatic drainage of PRUV, all of which had additional anomalies.
CONCLUSIONS: Consistent with previous reports, in the majority of cases (74.8%) PRUV is an isolated finding. While these cases carry an excellent prognosis, PRUV can be associated with severe congenital anomalies, so this finding should prompt detailed prenatal assessment of the fetus. Copyright © 2011 ISUOG. Published by John Wiley & Sons, Ltd.
Authors:
J Weichert; D Hartge; U Germer; R Axt-Fliedner; U Gembruch
Publication Detail:
Type:  Journal Article     Date:  2011-03-25
Journal Detail:
Title:  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology     Volume:  37     ISSN:  1469-0705     ISO Abbreviation:  Ultrasound Obstet Gynecol     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9108340     Medline TA:  Ultrasound Obstet Gynecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  543-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 ISUOG. Published by John Wiley & Sons, Ltd.
Affiliation:
Division of Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital of Schleswig-Holstein, Campus Luebeck, Germany. jan.weichert@uk-sh.de.
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