Quantification of radial mechanical dyssynchrony in fetuses with and without right ventricular heart stress due to congenital heart disease by Tissue Doppler Imaging (TDI) echocar…

Objective: Tissue Doppler Imaging (TDI) echocardiography is a new imaging tool that allows quantification of dyssynchrony in fetuses with and without right ventricular heart stress. An prospective study on fetuses with right heart stress due to congenital heart disease (n=30, group 1) and normal fetuses (n=60, group 2) between the 20th and 40th week of gestation by transversal four chamber view colour TDI cineloop raw data. Materials and methods: Dyssynchrony was measured offline with TDIQ-Software (Toshiba Medical Systems) as the time difference between the specific changes from the diastolic to the systolic mo…