Fetal Aortic Stenosis: Natural History and Echocardiographic Evaluation
Aortic stenosis encompasses a spectrum of abnormality ranging from mild to critical forms. Antenatal diagnosis of aortic stenosis can be made in the full range of the spectrum, but it is the more severe cases that are dominant in the fetal series, as these are more easily detected during obstetric screening scans. The progressive nature of obstructive lesions detected in the fetus has been well described, and this type of progression was first described in a case of fetal aortic stenosis . In this chapter, we discuss the echocardiographic features, natural history, and progression of fetal aortic stenosis in relation to the degree and timing of aortic obstruction.
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