High-Frame-Rate Deformation Imaging in Two Dimensions Using Continuous Speckle-Feature Tracking.
The study describes a novel algorithm for deriving myocardial strain from an entire cardiac cycle using high-frame-rate ultrasound images. Validation of the tracking algorithm was conducted in vitro prior to the application to patient images. High-frame-rate ultrasound images were acquired in vivo from 10 patients, and strain curves were derived in six myocardial regions around the left ventricle from the apical four-chamber view. Strain curves derived from high-frame-rate images had a higher frequency content than those derived using conventional methods, reflecting improved temporal sampling.
Andersen, MV; Moore, C; Arges, K; Søgaard, P; Østergaard, LR; Schmidt, SE; Kisslo, J; Von Ramm, OT
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