Pulmonary stenosis: Update on diagnosis and therapeutic options

Pulmonary stenosis (PS) accounts for approximately 8% of all congenital heart defects.1 Valvular PS is usually an isolated defect, but it can be associated with other congenital heart defects, such as atrial septal defect (ASD), ventricular septal defect (VSD), and persistent ductus arteriosus. Combined valvular and infundibular PS can be part of tetralogy of Fallot (ToF). The clinical presentation of PS may vary from critical stenosis in the newborn, to asymptomatic mild stenosis without need for therapy throughout life. The need for treatment of critical PS in the newborn is obvious, but the optimal timing, type of treatment, and follow-up strategy for the asymptomatic patient is less well defined.

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