The Impact of Surgical and Interventional Revascularization on the Myocardium of the Left Ventricle Using Velocity Vector Imaging
Abstract
The aim: to assess the impact of surgical and interventional revascularization on parameters of deformation (S) and strain rate (SR) longitudinal, circular and radial fibers of the LV myocardium. Materials and methods. The analysis of the S and SR of longitudinal, circular and radial fibers 216 and 234 in the LV segments before and after surgical and interventional revascularization. Results. The impact of CHD on the LV segments is expressed not only in the reduction or compensatory increase S and SR, but also a variety of options associated with the change mainly the strain or strain rate. Along with this marked change in the direction of motion of the LV myocardial fibers. Surgical revascularization has a negative impact in the early stages on a circular fiber, since in most (167 (77%) segments noted a decrease S and SR. The impact of interventional revascularization in the early period showed the positive dynamics of the deformation properties of all Lv myocardial fibers. Positive dynamics is observed in longitudinal SR (171 (73%) and circular (124 (52.9%) fibers. Normal S and increased SR observed in radial fibers (187 (80%). All segments with the change of direction its motion regained its function. Conclusion. Technology Velocity Vector Imaging to conduct a detailed analysis of LV segments and to estimate the dynamics of the deformation properties of longitudinal, circular and radial fibers after revascularization.
About the Author
Ekaterina Borisovna Petrova
Nizhny Novgorod State Medical Academy
Russian Federation
Russian Federation
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For citations:
Petrova E.B. The Impact of Surgical and Interventional Revascularization on the Myocardium of the Left Ventricle Using Velocity Vector Imaging. Medical Visualization. 2015;(6):33-41. (In Russ.)
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