Pulmonary hepatic flow distribution in total cavopulmonary connections: extracardiac versus intracardiac.

The Journal of Thoracic and Cardiovascular Surgery
Lakshmi P DasiAjit P Yoganathan

Abstract

Pulmonary arteriovenous malformations can occur after the Fontan procedure and are believed to be associated with disproportionate pulmonary distribution of hepatic venous effluent. We studied the effect of total cavopulmonary connection geometry and the effect of increased cardiac output on distribution of inferior vena caval return to the lungs. Ten patients undergoing the Fontan procedure, 5 with extracardiac and 5 with intracardiac configurations of the total cavopulmonary connection, previously analyzed for power loss were processed for calculating the distribution of inferior vena caval return to the lungs (second-order accuracy). One idealized total cavopulmonary connection was similarly analyzed under parametric variation of inferior vena caval offset and cardiac output flow split. Streaming of the inferior vena caval return in the idealized total cavopulmonary connection model was dependent on both inferior vena caval offset magnitude and cardiac output flow-split ratio. For patient-specific total cavopulmonary connections, preferential streaming of the inferior vena caval return was directly proportional to the cardiac output flow-split ratio in the intracardiac total cavopulmonary connections (P < .0001). Preferentia...Continue Reading

References

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Citations

Jul 21, 2007·Annals of Biomedical Engineering·Chang WangAjit P Yoganathan
May 25, 2011·Annals of Biomedical Engineering·Mikhail LaraKerem Pekkan
Dec 12, 2012·General Thoracic and Cardiovascular Surgery·Toshiyuki Katogi
Feb 1, 2013·Journal of Biomechanical Engineering·Weiguang YangAlison L Marsden
Jul 11, 2012·Annals of Biomedical Engineering·Christopher M HaggertyAjit P Yoganathan
Feb 11, 2014·The Journal of Thoracic and Cardiovascular Surgery·Christopher M HaggertyAjit P Yoganathan
Dec 12, 2013·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Yoav DoriJonathan J Rome
Jun 16, 2012·The Journal of Thoracic and Cardiovascular Surgery·Kirk R KanterAjit P Yoganathan
May 9, 2012·The Journal of Thoracic and Cardiovascular Surgery·Christopher M HaggertyAjit P Yoganathan
Nov 19, 2015·Cardiovascular Engineering and Technology·Stephanie M GeorgeDon P Giddens
Feb 27, 2017·Heart·Floris E A Udink Ten CateNarayanswami Sreeram
May 7, 2013·ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs·Marija VukicevicUNKNOWN MOCHA Network
Nov 27, 2016·The International Journal of Cardiovascular Imaging·Vivian P KamphuisArno A W Roest
Mar 5, 2021·Seminars in Thoracic and Cardiovascular Surgery·Zhenglun Alan WeiJohn J Nigro
Sep 27, 2020·The Annals of Thoracic Surgery·Kenta ImaiHajime Ichikawa
Oct 31, 2019·Radiology. Cardiothoracic Imaging·Rene BastkowskiDaniel Giese
Apr 8, 2021·Journal of the Royal Society, Interface·Friso M RijnbergArno A W Roest
Apr 26, 2021·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Kenta ImaiHajime Ichikawa

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