Why the study?
Do noninvasive echocardiographic measures correlate with invasive pressure-volume loop indices of systolic function in patients with single ventricle physiology?
Do noninvasive echocardiographic measures correlate with invasive pressure-volume loop indices of systolic function in patients with single ventricle physiology?
In patients with single ventricle physiology, echocardiographic fractional area change (FAC) correlates well with invasive pressure-volume loop indices of systolic function, suggesting its utility as a noninvasive measure.
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FAC may support noninvasive systolic assessment in single-ventricle patients; extends correlations to invasive indices but remains hypothesis-generating.
Butts et al. (2014) studied this question.
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