Why the study?
How do feature tracking-derived measurements of right ventricular myocardial strain, strain rate, and velocity correlate with gestational age in healthy fetuses?
Population
150 healthy fetuses at between 13 and 39 weeks' gestation
Design
Cross-sectional
Authors
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Normative fetal RV strain values established by feature tracking; prospective validation needed before clinical use.
How do feature tracking-derived measurements of right ventricular myocardial strain, strain rate, and velocity correlate with gestational age in healthy fetuses?
A novel feature-tracking technique demonstrates that fetal right ventricular global myocardial peak systolic velocities increase, while strain and strain rate decrease, throughout gestation.
Willruth et al. (2010) studied this question.
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