Keywords:
Cardiac, Molecular imaging, Ultrasound physics, Echocardiography, Echocardiography (transoesophageal), MR, Computer Applications-3D, History, Imaging sequences, Image verification, Pathology, Patterns of Care
Authors:
M. Karvandi, S. Ranjbar, S. A. Hassantash, M. Foroughi; Tehran/IR
Purpose
The mechanics of the mitral valve leaflet as a nonlinear,
inelastic and anisotropic soft tissue results from an integrated response of many mathematical/physical indexes' that illustrate the tissue.
In the past decade,
finite element modeling of complete heart valves has greatly aided evaluation of heart valve surgery,
design of bio-prosthetic valve replacements,
and general understanding of healthy and abnormal cardiac function.
Such a model must be based on an accurate description of the mechanical behavior of the valve material.
It is essential to calculate velocity/displacement and strain rate/strain at a component level,
that is to work at the cellular level.
In this study we developed the first three-dimensional displacement vectors field in the characterization of mitral valve leaflets in continuum equations of inelasticity framework based on echocardiography.
And as we know Successful mitral valve repair and replacement are dependent upon a full understanding of normal and abnormal mitral valve anatomy and function.
The functional components of the mitral valve include: the left atrial wall,
the annulus,
the leaflets,
the chordae tendineae,
the papillary muscles,
segments of the left ventricular myocardium.
Abnormal anatomy or function of any one of these components can result in valvular dysfunction.
We sought to compair the outcome of olden challenges of the mechanical behaviors of the mitral valve with our 3D Mitral valve reconstruction.