Key result
The curvature-motion method showed the best agreement with simulated model data for assessing left ventricular wall motion compared to centerline and radial methods.
The curvature-motion method provides the best agreement with simulated 2-D model data for assessing left ventricular wall motion.
Curvature-motion method merits clinical validation for LV wall motion assessment; leaves open adoption in practice.
Curvature-motion (CM) is a method explaining shape analysis to assess left ventricular (LV) wall motion. A model based approach is proposed for validation. Complete contour sequences from end-diastolic LV outlines were generated by applying a locally linear transformation to simulate normal/abnormal systolic and diastolic movements. Time trajectories and segmental excursions, as measured by the centerline, radial, and curvature-motion methods, were compare with those obtained by connecting the known transformed points. The CM method showed the best agreement with model data. This confirms the physiologically based assumptions, as far as 2-D data are concerned.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Barletta et al. (2003) studied Left ventricular wall motion assessment. Curvature-motion (CM) method vs. Centerline and radial methods was evaluated on Agreement with model data for time trajectories and segmental excursions. The curvature-motion method showed the best agreement with simulated model data for assessing left ventricular wall motion compared to centerline and radial methods.
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