Why the study?
How does normal pregnancy affect maternal left ventricular performance as measured by 3D speckle-tracking echocardiography compared to nonpregnant controls?
Population
68 pregnant women and 30 age-matched, healthy, nonpregnant women serving as controls (total n=98).
Comparison
Observation during each pregnancy trimester and… vs Age-matched, healthy, nonpregnant women.
Design
Cohort
Follow-up
6 to 9 weeks after delivery
Authors
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Transient LV strain/EF reductions in late pregnancy recover postpartum; leaves open 3D STE thresholds for peripartum cardiomyopathy detection.
How does normal pregnancy affect maternal left ventricular performance as measured by 3D speckle-tracking echocardiography compared to nonpregnant controls?
3D speckle-tracking echocardiography reveals transient, physiological reductions in myocardial strain and ejection fraction during late pregnancy that recover postpartum.
Cong et al. (2015) studied this question.