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Persistent left superior vena cava and its clinical implications: case report and literature review

MOJ Anatomy & Physiology
José Aderval Aragão,1,3 Iapunira Catarina Sant’Anna Aragão,2 Felipe Matheus Sant’Anna Aragão,2 Paôla Cardoso,2 Fernanda Pimentel Cavaliere de Barros,2 Rafael dos Santos Reis,2 Marcos Guimarães de Souza Cunha,2 Elomar Rezende Moura,3 Francisco Prado Reis3

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The persistent left superior vena cava venous anomaly is the most common congenital malformation of the thoracic venous system with an estimated prevalence of 0.3 to 0.5%. After dissection of a 30-week-old male fetus, was observed a persistent left superior vena cava that drained into the left atrium. Understanding this anomaly is crucial, given the widespread use of invasive cardiac and electrophysiological procedures.


anatomical variation, left superior vena cava, left atrium, congenital heart disease, fetal echocardiography, embryology, electrophysiological procedures, pulmonary artery trunk, general population, supernumerary vessel, arterial duct, superior vena cava, central venous catheter, male human fetus, coronary sinus