用于Silico实时计算和心脏手术计划的带瓣心瓣膜力学模型

Q2 Engineering Engineering Transactions Pub Date : 2018-09-24 DOI:10.24423/ENGTRANS.723.20180924

G. Gaidulis, R. Kačianauskas, N. Kizilova, Yu. P. Romashov

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引用次数: 0

摘要

本文基于超声图像中数字化的二尖瓣瓣叶周期性运动的活体数据，建立了二尖瓣带索的二维动力学模型。弦被认为是用五元流变模型描述的粘弹性弹簧。该模型允许在不同顺序的弦的不同位置的弦和叶的力的快速数值计算。当二尖瓣功能不全合并脊索断裂，需要进行新脊索植入时，可实时计算患者特定的几何形状，以制定最佳手术计划。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Mechanical Model of Heart Valves with Chordae for in Silico Real-Time Computations and Cardiac Surgery Planning

In this paper, a two-dimensional (2D) model of the dynamics of mitral valve with chordae is developed based on in vivo data of the periodical motion of the valve leaflets digitized from the ultrasound imaging. The chordae are considered as viscoelastic springs described by the five-element rheological model. The model allows fast numerical computations of forces in the chordae and leaflets at different locations of the chordae of a different order. It can be used in real-time computations of the patient-specific geometry for optimal surgery planning when the mitral valve insufficiency is associated with broken chordae, and neochordae implantation is needed.

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来源期刊

Engineering Transactions Engineering-Engineering (all)

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： Engineering Transactions (formerly Rozprawy Inżynierskie) is a refereed international journal founded in 1952. The journal promotes research and practice in engineering science and provides a forum for interdisciplinary publications combining mechanics with: Material science, Mechatronics, Biomechanics and Biotechnologies, Environmental science, Photonics, Information technologies, Other engineering applications. The journal publishes original papers covering a broad area of research activities including: experimental and hybrid techniques, analytical and numerical approaches. Review articles and special issues are also welcome. Following long tradition, all articles are peer reviewed and our expert referees ensure that the papers accepted for publication comply with high scientific standards. Engineering Transactions is a quarterly journal intended to be interesting and useful for the researchers and practitioners in academic and industrial communities.