Clinical significance of prenatally diagnosed persistent left superior vena cava

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Elsevier Masson, Corp Off

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Aims: The aim of our study was to investigate the persistent left superior vena cava (PLSVC) cases diagnosed in the prenatal period in our clinic and to compare the obstetric and genetic outcomes of isolated PLSVC cases with cases accompanied by other cardiac or extracardiac anomalies. Methods: The cases diagnosed as PLSVC between January 2015 and January 2019 in our perinatology clinic were evaluated retrospectively. Patients were divided into two subgroups as isolated PLSVC and PLSVC accompanied by another anomaly. Furthermore, patients with extra anomalies were divided into three groups which are cardiac anomaly, extracardiac anomaly and those with both. The groups were compared in terms of genetic results and obstetric outcomes. Results: 89 patients were included in our study. Cases with positive pregnancy outcomes were significantly higher in the isolated PLSVC group than with extra anomaly group (p < 0.001). No karyotype anomaly was observed in the isolated group. Pregnancy results were significantly worse (postpartum demise, termination of pregnancy, in utero demise) in with both cardiac and extracardiac anomalies group (p < 0.001). There was no significant difference between the groups in terms of karyotype results (p = 0.535). Conclusion: The diagnosis of PLSVC has gained importance and it can be made easier due to the fact that anatomic imaging can be performed in more detail. The isolated PLSVC cases have a very good prognosis. Obstetric outcomes vary according to the accompanying anomaly. (c) 2022 Elsevier Masson SAS. All rights reserved.


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Congenital heart disease, Persistent left superior vena cava, Prenatal diagnosis, Fetal echocardiography


Journal Of Gynecology Obstetrics And Human Reproduction

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