Citation Information :
Gourav KP, Aspari A, Damodaran S, Thingnam S. Transesophageal Echocardiography Guided Novel Technique for the Negotiation of Dual Stage Cavo-atrial Cannula into Inferior Vena Cava in a Patient with Large Eustachian Valve: A Case Report. J Perioper Echocardiogr 2018; 6 (2):57-59.
Eustachian valve is an embryonic remnant of the right valve of sinus venosus. In adults it may be completely absent or may appear as a thin flap. However, in some cases it may persist as a long mobile structure which can be mistaken as patent foramen ovale or cor-triatrium dexter. Sometimes it can obstruct the single stage cavo-atrial cannula while inserting into inferior vena cava (IVC). We hereby discuss a technique which helped in the successful cannulation of the dual stage cavo-atrial cannula into the IVC in a patient with a giant eustachian valve with the help of transesophageal echocardiography (TEE).
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