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Effects of Band Position on Hemodynamics of Pulmonary Artery: A Numerical Study of Patient-specific Virtual Procedure

机译:带状位置对肺动脉血流动力学的影响:特定患者虚拟程序的数值研究

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Hemodynamics of pulmonary artery flow after different strategies of pulmonary banding (PAB) was not well understood. By using computer-aided design (CAD), three PAB models were devised and numerical study was done by computational fluid dynamics (CFD). The results indicated that whirling flow was formed in all the PAB models, which is more significant in that with proximal PAB, leading to unbalanced perfusion of lungs. While in distal PAB models, the flow disturbance is relatively mild and unbalanced flow to left pulmonary artery has decreased. Integrated CAD and CFD study can be applied to predict and optimize the surgical outcomes of PAB.
机译:肺动脉肺动脉流动(PAB)不同策略(PAB)的血流动力学尚不清楚。通过使用计算机辅助设计(CAD),设计了三种PAB模型,并通过计算流体动力学(CFD)完成了数值研究。结果表明,在所有PAB模型中形成旋转流动,其与近端PAB更显着,导致肺的不平衡灌注。在远端PAB模型中,流动扰动是相对温和的,并且对肺动脉的流动不平衡已经下降。可以应用集成的CAD和CFD研究来预测和优化PAB的手术结果。

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