Biplane cineradiography in anesthetized dogs demonstrated the mechanical effect of myocardial fiber orientation and the ability of muscle layers to deform differentially.
This preclinical study demonstrates the differential deformation of myocardial layers and the mechanical effect of fiber orientation in the canine left ventricle.
A biplane cineradiographic technique was used to measure deformation of the myocardium as indicated by small lead spheres implanted into the anterior left ventricular wall of anesthetized dogs. Deformation was resolved into nine separate components for each of the epicardial, middle, and endocardial layers. The data illustrate the mechanical effect of myocardial fiber orientation and the ability of muscle layers to deform differentially. In order to present an overview of all the results, the implications of the deformation components are discussed first separately and then in a coordinated fashion.
Fenton et al. (Wed,) conducted a other in Myocardial deformation. Biplane cineradiographic technique was evaluated on Deformation of the myocardium. Biplane cineradiography in anesthetized dogs demonstrated the mechanical effect of myocardial fiber orientation and the ability of muscle layers to deform differentially.