A mechanical model of heart valves with chordae for in silico real-time computations and cardiac surgery planning

• Autorzy: Gaidulis G. , Kačianauskas R. , Kizilova N. , Romashov Y.

Identyfikatory

DOI

10.24423/EngTrans.723.20180924

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

mitral valve biomechanics; neochordae; viscoelastic tissue; in silico surgery

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2018
• Tom: Vol. 66, iss. 4
• Strony: 391--412
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr.

Twórcy

autor

Gaidulis G.

• Vilnius Gediminas Technical University Institute of Mechanical Sciences J. Basanavičiaus st., 28, 03-109 Vilnius, Lithuania

autor

Kačianauskas R.

• Vilnius Gediminas Technical University Institute of Mechanical Sciences J. Basanavičiaus st., 28, 03-109 Vilnius, Lithuania [e-mail]

autor

Kizilova N.

• Warsaw University of Technology Institute of Aeronautics and Applied Mechanics Nowowiejska 24, 00-665 Warsaw, Poland

autor

Romashov Y.

• Kharkov National Polytechnic University “KPI” Kyrpichova st., 21, 61-000 Kharkov, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).