Why the study?
Can velocity vector imaging (VVI) be used to establish normative data for regional left ventricular longitudinal function in normal fetuses?
Population
151 healthy Chinese fetuses, divided into five groups according to gestational age.
Design
Cross-sectional
Authors
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VVI yields stable fetal LV strain references; extends normative data yet leaves open prognostic validation in high-risk pregnancies.
Can velocity vector imaging (VVI) be used to establish normative data for regional left ventricular longitudinal function in normal fetuses?
Velocity vector imaging is a feasible noninvasive tool for quantifying fetal regional myocardial function, demonstrating that while tissue velocity changes with gestational age, strain and strain rate remain stable.
Peng et al. (2009) studied this question.
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