A patient-specific image-based approach to estimate pulmonary artery stiffness based on vessel constitutive model

Mattia Begnis, Yasmine Chaar,Anna Savoldelli, Andrea Scaburri,Andrea M D'Armini,Adele Valentini,Ettore Lanzarone

Medical Engineering & Physics（2022）

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摘要

•Patient-specific approach to estimate pulmonary artery stiffness based on MRI images.•Maximum likelihood estimation approach that exploits a full vessel constitutive law.•Young’s modulus derived in terms of mean value and standard deviation.•Entire boundary and an arc free from surrounding structures separately considered.•Approach applied to pulmonary endarterectomy for treating thromboembolic hypertension.

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关键词

Pulmonary artery,Circumferential Young’s modulus,Patient-specific estimation,Constitutive law,Maximum likelihood estimation,Boundary and free arc,Pulmonary endarterectomy

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