Why the study?
Does percutaneous transcatheter ASD closure acutely improve atrial and ventricular parameters assessed by cardiac MRI in patients with congenital ASD?
Population
14 patients (6 males and 8 females, mean age 45 +/- 18 years) with congenital atrial septal defects (ASD)
Comparison
Percutaneous transcatheter ASD closure vs Pre-procedure baseline (before closure)
Design
Cohort
Follow-up
within 24 hours
Authors
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Acute right heart remodeling follows ASD closure; hypothesis-generating for MRI as early outcome marker but should not yet change practice.
Does percutaneous transcatheter ASD closure acutely improve atrial and ventricular parameters assessed by cardiac MRI in patients with congenital ASD?
Cardiac MRI demonstrates significant acute reductions in right atrial size, right ventricular volume, and shunt fraction within 24 hours of transcatheter ASD closure.
Burgstahler et al. (2007) studied this question.
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