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Abstract #1193

Quantification of Caval Contribution to Flow in the Right and Left Pulmonary Artery of Fontan Patients with 4D Flow MRI

Pablo Bchler1, Natalia Pinochet1, Israel Valverde2, Sarah Nordmeyer3, Titus Kuehne3, Gerard Crelier4, Claudia Prieto1, Cristian Tejos1, Pablo Irarrazaval1, Sergio Uribe1

1Pontificia Universidad Catlica de Chile, Santiago, Chile; 2King's College London, London, United Kingdom; 3Deutsches Herzzentrum Berlin, Berlin, Germany; 4ETH and University of Zurich, Zurich, Switzerland

Measuring the caval contribution to flow in the Right and Left Pulmonary Artery of Fontan patients is of great interest, because uneven flow distribution might lead to Pulmonary Arteriovenous Malformations (PAVMs) decreasing systemic oxygenation. However, quantify the flow distribution with standard methods is difficult when more than one vessel contributes with blood flow, such as in the pulmonary arteries of Fontan patients.