Abstract
The Konno operation consists of a prosthetic aortic valve replacement by using an anterior enlargement of the small aortic annulus. The original procedure includes a longitudinal incision in the aortic septum placed near the midpoint between the two coronary ostia, a vertical incision in the outflow tract of the right ventricle to join the septal incision, prosthetic aortic valve replacement, and patch reconstruction of the outflow tracts of both ventricles by means of a fusiform Dacron patch. The concept of this operation has been applied in other complex operations, such as modified Konno operation, Ross-Konno operation, and aortic valve replacement after arterial switch operation.
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