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    ARTICLE

    The Study of the Graft Hemodynamics with Different Instant Patency in Coronary Artery Bypassing Grafting

    Zhou Zhao1, Boyan Mao2, Youjun Liu2, Haisheng Yang2, Yu Chen1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.116, No.2, pp. 229-245, 2018, DOI:10.31614/cmes.2018.04192

    Abstract In coronary artery bypass grafting (CABG), graft’s poor instant patency may lead to an abnormal hemodynamic environment in anastomosis, which could further cause graft failure after the surgery. This paper investigates the graft hemodynamics with different instant patency, and explores its effect on graft postoperative efficiency. Six CABG 0D/3D coupling multi-scale models which used left internal mammary artery (LIMA) and saphenous vein (SVG) as grafts were constructed. Different types of grafts were examined in the models, including normal grafts, grafts with competitive flow and grafts with anastomotic stenosis. Simulation results indicated that comparing with SVG… More >

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