04.01.02 – Left superior caval vein (superior vena cava) to left-sided atrium

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IPCCC Term LEFT SUPERIOR CAVAL VEIN (SUPERIOR VENA CAVA) TO LEFT-SIDED ATRIUM

IPCCC Code 04.01.02

ICD-11 Code PENDING

Synonyms PENDING

Abbreviations PENDING

IPCCC Definition A congenital cardiovascular malformation in which there is a left superior caval vein (superior vena cava) connecting directly to the left-sided atrium.

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04-01-02 The left atrium is opened posteriorly and viewed in anatomic position. A persistent left superior caval vein (PLSCV) drains to the roof of the left atrium with direct communication to the left atrial chamber between the appendage and the left pulmonary veins. This is typically referred to as unroofing of the coronary sinus. There is a prominent ridge (yellow dots) at the vein’s entrance to the left atrial roof and the tip of a probe is seen at the opening. The red dotted lines mark the position of the walls that would typically separate the persistent left superior caval vein from the left atrium. The coronary sinus is large and in this instance functions as an interatrial communication.

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