Prenatal diagnosis of persistent right umbilical vein - Incidence and clinical impact. A prospective study

The Australian & New Zealand Journal of Obstetrics & Gynaecology
Arkadiusz KrzyżanowskiAnna Kwaśniewska

Abstract

Persistent right umbilical vein (PRUV) is usually an isolated finding but it may be accompanied by other fetal malformations. We aimed to determine the incidence of prenatally diagnosed PRUV in a referral population, assess the neonatal outcome and discuss the findings together with those from previous publications. A total of 2360 women with low-risk singleton pregnancies were examined in the second and third trimesters. A transabdominal convex volume transducer was used. B-mode was applied in each patient. Scanning of the venous system included imaging of the target vessels with two-dimensional colour Doppler mapping. The diagnosis of PRUV was made in a transverse section of the fetal abdomen. Three-dimensional ultrasounds were performed as necessary, when anomalous cases were encountered. The incidence of PRUV in our population was 12/2360 = 0.5%, and it was higher than in other retrospective studies. In 75% (n = 9), PRUV was an isolated finding where delivery was uneventful and the postnatal outcome was favourable. In two cases PRUV was accompanied by omphalocele, and in one case by tetralogy of Fallot and single umbilical artery. PRUV is an uncommon prenatal finding. Screening for this anomaly can be easily performed in al...Continue Reading

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Citations

Dec 18, 2019·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Paolo ToscanoAniello Di Meglio
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Jun 25, 2021·Journal of Obstetrics and Gynaecology : the Journal of the Institute of Obstetrics and Gynaecology·Gulsah DagdevirenDilek Sahin

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