Key result
Fetal 2D speckle tracking establishes mean ventricular and atrial strains that correlate with gestational age.
Why the study?
While 2D-STE-based ventricular strain values have been established, less is known about fetal atrial deformation.
Does gestational age affect atrial and ventricular strain values measured by 2D-STE in healthy fetuses?
Population
101 healthy fetuses (mean gestational age 26.0 ± 5.6 weeks)
Design
Observational fetal echocardiography study
Authors
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Establishes normative fetal strain values by 2D-STE; leaves open prospective validation before clinical adoption in monitoring.
Does gestational age affect atrial and ventricular strain values measured by 2D-STE in healthy fetuses?
2D-STE is feasible for assessing both ventricular and atrial deformation in normal fetuses, with strain values significantly correlating with gestational age.
Meister et al. (2020) studied this question. Fetal 2D speckle tracking echocardiography established mean ventricular (-17.4% LV, -16.9% RV) and atrial (34.1% LA, 35.4% RA) strains, which significantly correlated with gestational age (p<0.05).
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