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Long segment congenital tracheal stenosis (LSCTS) is one of most severe malformation with high mortality rate and dismal prospective. Hypoventilation is the main issue for the death of children with LSCTS after surgical correction. However, currently, little information is available on local aerodynamics to disclose the reasons for the improvement of such therapies, especially LSCTS with distal bronchus...
The systemic-to-pulmonary artery shunt is an effective procedure widely used in the therapy of congenital heart defect (CHD). To better understand the local flow features may provide hemodynamic information for patient-specific surgical design. Here, we report on three-dimensional (3D) hemodynamic analysis of two schemes of this procedure; the modified Blalock-Taussig shunt (MBTS) and Melbourne shunt...
Coarctation of the aorta (CoA) is one of the most common congenital cardiac anomalies that could be corrected by surgery. However, the effects of surgical anastomosis on aortic arch flow are still unknown. In this study, a unique three-dimensional way was utilized to measure the growth of anastomotic site and computational fluid dynamics (CFD) was applied to investigate the hemodynamic effects of...
Coarctation of the Aorta (CoA) is one of the most serious congenital heart defects in newborns. Approximately 30% of cases of CoA associated with aortic arch hypoplasia (AAH). The end-to-side aortic anastomosis (ESAA) is an effective surgical procedure to be performed for correction of CoA with AAH. In this study, the approach of computational fluid dynamics (CFD) was used to investigate the hemodynamics...
To treat cyanotic congenital heart defect, modified Blalock-Taussig (mB-T) shunt is an effective procedure used in clinic. The pulmonary artery is bridged by a conduit with the systemic circulation to increase the flow of blood. Here, we report on three-dimensional (3D) hemodynamic analysis of the effects of conduit anastomosis angle on pulmonary flow. A 3D model based on post-operative medical images...
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