Although the Ross procedure has been applied successfully to the pedia
tric age group, it may have its ideal application in the selected infa
nt with critical aortic stenosis and complex left ventricular outflow
tract obstruction with adequate ventricular function and size. Two neo
nates presented with critical aortic stenosis and complex left ventric
ular outflow tract obstruction, and a combined Ross/Konno procedure wa
s performed successfully. These cases are presented along with a discu
ssion of this topic.