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Publications (2)0 Total impact

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    ABSTRACT: To describe the ultrasound findings, maternal and perinatal variables in cases with a prenatal diagnosis of persistence of right umbilical vein. A descriptive analysis of cases with prenatal diagnosis of persistence of right umbilical vein in the Fetal Medicine Unit, Department of Obstetrics and Gynecology, Hospital Universitario Severo Ochoa. We described ultrasound findings, maternal and perinatal variables. We explored 9198 fetuses and 6 cases (0.06%) were diagnosis prenatally of persistent right umbilical vein, between 20 and 29 weeks of gestation. The male/female ratio was 1/1. Ductus venosus was presented in all cases. Two fetuses (33%) were proved to have other structural anomalies and their parents opted for termination of the pregnancy. All cases had no chromosomal anomaly associated and after birth, neonatal developments were favorable. Based on our results and a literature review, after prenatal diagnosis of persistent right umbilical vein, an exhaustive morphological study, which included a fetal echocardiography, is mandatory in order to rule out other structural malformations. Indication for fetal karyotype study has to be individualized considering persistence right umbilical vein type and other ultrasound findings.
    Ginecología y obstetricia de México 02/2012; 80(2):73-8.
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    ABSTRACT: Ginecol Obstet Mex 2012;80(2):73-78 Artículo original RESUMEN Objetivo: describir las variables ecográficas y materno-perinatales de los casos diagnosticados prenatalmente con persistencia de la vena umbilical derecha. Pacientes y método: estudio descriptivo, de corte transversal-retrospectivo, de los casos diagnosticados prenatalmente en la Unidad de Medicina Fetal del Departamento de Obstetricia y Ginecología del Hospital General Universitario Severo Ochoa. Se registraron las variables clínicas materno-fetales en el momento del diagnóstico, durante el seguimiento del parto y tras el nacimiento. Resultados: de 9,198 fetos, 6 (0.06%) casos se diagnosticaron prenatalmente con persistencia de la vena umbilical derecha entre las 20 y 29 semanas de gestación. La distribución de sexos fue de 1:1. En todos los casos, el ductus venoso era permeable. Dos casos (33%) tuvieron otras anomalías asociadas y los padres decidieron la interrupción legal de su gestación. No se encontraron anomalías cromosó-micas asociadas. En los casos restantes, tras el nacimiento, el desarrollo neonatal fue adecuado. Conclusión: a partir de nuestros resultados y revisada la bibliografía, ante el diagnóstico prenatal de persistencia de la vena umbilical derecha, es necesario el estudio morfológico complementario, exhaustivo, que incluya un estudio ecocardiográfico fetal para descartar otras malformaciones estructurales asociadas. La recomendación de un estudio cromosómico debe individualizarse en función del tipo de persistencia de la vena umbilical derecha y el tipo de anomalía estructural asociada. Palabras clave: vena umbilical derecha persistente, diagnóstico ecográfico prenatal, anomalía del sistema venoso fetal. ABSTRACT Objective: To describe the ultrasound findings, maternal and perinatal variables in cases with a prenatal diagnosis of persistence of right umbilical vein. Patients and methods: A descriptive analysis of cases with prenatal diagnosis of persistence of right umbilical vein in the Fetal Medicine Unit, Department of Obstetrics and Gynecology, Hospital Universitario Severo Ochoa. We described ultrasound findings, maternal and perinatal variables. Results: We explored 9198 fetuses and 6 cases (0.06%) were diagnosis prenatally of persistent right umbilical vein, between 20 and 29 weeks of gestation. The male/female ratio was 1/1. Ductus venosus was presented in all cases. Two fetuses (33%) were proved to have other structural anomalies and their parents opted for termination of the pregnancy. All cases had no chromosomal anomaly associated and after birth, neonatal developments were favorable. Conclusion: Based on our results and a literature review, after prenatal diagnosis of persistent right umbilical vein, an exhaustive morpho-logical study, which included a fetal echocardiography, is mandatory in order to rule out other structural malformations. Indication for fetal karyotype study has to be individualized considering persistence right umbilical vein type and other ultrasound findings. Key words: persistent right umbilical vein, ultrasound prenatal diagnosis, fetal venous system anomaly.