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Severe or critical aortic stenosis in the neonate is a cardiac emergency requiring urgent medical stabilization followed by intervention via balloon valvuloplasty or surgical valvotomy, both of which carry long-term risks of re-intervention.
Aortic valve stenosis (AS) causing obstruction to the left ventricular outfl ow, and hence reduction of the cardiac output, remains a therapeutic challenge for paediatric cardiologists and cardiothoracic surgeons. Infants that present at birth may have very dysplastic valves with severe or critical AS and are typically the most diffi cult to treat. This article therefore focuses on the managementof severe AS in the neonate. This article also revises the embryology of the semi-lunar valves, as the morphology of the aortic valve often dictates the treatment pathway.
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Mitchell et al. (2017) conducted a review in Severe aortic valve stenosis. Surgical valvotomy and balloon valvuloplasty was evaluated.
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