Comparative feasibility of myocardial velocity and strain measurements using 2 different methods with transesophageal echocardiography during cardiac surgery

Abstract

Objective: To assess the feasibility and correlation between tissue Doppler and speckle tracking imaging when measuring myocardial velocity, strain, and strain rate with transesophageal echocardiography. Design: A prospective, observational study. Setting: An academic tertiary-referral hospital. Participants: Patients undergoing elective heart surgery. Interventions: None. Measurements and Main Results: Velocity, strain, and strain rate were measured using both techniques in the inferior and anterior walls in transgastric views for radial motion and in the lateral, septal, anterior, and inferior walls in midesophageal views for longitudinal motion. Nineteen patients and 304 myocardial segmen..