Abstract
Three patients with patent ductus arteriosus and moderate aortic stenosis had a marked reduction in aortic valve gradient following transcatheter ductal occlusion. The hemodynamic effects of an aortopulmonary shunt on the severity of left ventricular outflow obstruction and the implications on intervention are discussed.
MeSH terms
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Aortic Valve Stenosis / complications
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Aortic Valve Stenosis / physiopathology*
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Child, Preschool
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Ductus Arteriosus, Patent / complications
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Ductus Arteriosus, Patent / physiopathology*
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Female
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Humans
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Infant
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Male
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Middle Aged
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Regional Blood Flow
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Ventricular Outflow Obstruction / complications
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Ventricular Outflow Obstruction / physiopathology*