Subvalvular and Supravalvular Aortic Stenosis

The First Case of Successful Stenting of the Dissection of the Ascending Aorta and the Aortic Arch that Occurred During Surgical Correction of the Supralvular Aortic Stenosis in a Child with the Williams Syndrome

“…SVAS is a complex pathology that may present in a wide variety of clinical and morphological forms. The most common form is aortic lumen obstruction localized directly above the aortic valve [5,9]. The severity of stenosis is the main factor determining the severity of hemodynamic burden and thus the clinical manifestation of this pathology.…”