Why the study?
Reference range values for peak myocardial tissue Doppler velocity and myocardial performance index of the LV, RV, and IVS at 20 to 36+6 weeks of gestation had not been established.
This study establishes gestational age-specific reference ranges for fetal myocardial tissue Doppler velocities and myocardial performance index between 20 and 36 weeks of gestation.
Normative fetal MTD and MPI' ranges now defined; leaves open clinical adoption pending prospective validation.
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Peixoto et al. (2019) studied this question.
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