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...

Echocardiography imaging of the mitral valve motion during the cardiac cycle of planes TTE in the short axis, long axis and four chamber views, and multi-planes TEE in the lower esophageal views at 0,10,15,30, 45-60, 75, 80, 90, 110-125 and 135 degrees were prospectively acquired for 200 patients of 65 time-frames from diastole to systole(early diastole, mid diastole, atrial systole, end of diastole, end of systole). In each plane and for each frame during diastole to systole, mitral valve annulus and leaflets, and bases, middles...

Ranjbar S. Karvandi M. (2013)recently developed the first novel left ventricular myocardial model mathematically based on echocardiography, by MATLAB software and LSDYNA software in normal subjects which dynamic orientation contraction (through the cardiac cycle) of every individual myocardial fiber could be created by adding together the sequential steps of the multiple fragmented sectors of that fiber. The left ventricular myocardial modeling of the heart shows that in normal cases myocardial fibers initiate from the posterior-basal region of the heart, continues through the left ventricular free...

These data potentially allow the implementation of an image-based approach for patient-specific modeling of mitral valve leaflets and blood flow directions around the mitral valve. This approach could constitute the basis for accurate evaluation of mitral valve pathologic conditions and for the planning of surgical

1- Mersedeh Karvandi, Saeed Ranjbar, Seyed Ahmad Hassantash, Mahnoosh Foroughi. Brief communication: Mathematical concepts of mechanisms of left ventricular myocardium. International Journal of Medical Imaging, 2014; 2(2): 19-23. 2- Mersedeh Karvandi, Saeed Ranjbar, Seyed Ahmad Hassantash. Mechanical mitral valve modeling: Advancing the field through emerging science. International Journal of Medical Imaging, 2014; 2(2): 24-28. 3- Mersedeh Karvandi, Saeed Ranjbar, Seyed Ahmad Hassantash . An essential calculated power formula as a new index to study myocardial function of heart. International Journal of Clinical Medicine Research, 2014;...