Recurrence of Subvalvular Aortic Stenosis After Surgery with Mild Left Ventricular Outflow Tract Obstruction and Moderate Aortic Regurgitation

Author(s):  
Hakimeh Sadeghian ◽  
Zahra Savand-Roomi
ESC CardioMed ◽  
2018 ◽  
pp. 807-810
Author(s):  
David Anderson

Left ventricular outflow tract obstruction can occur at subvalvar, valvar, and supravalvar levels. Severity and progression can be evaluated by echocardiography. Aortic valve stenosis can usually be relieved by balloon valvotomy, but some patients require surgery, either with valvotomy, valve replacement, or the Ross procedure. Sub- and supravalvar aortic stenosis require surgical management. Long-term follow-up of all patients is required.


Introduction 68Subvalvar aortic stenosis (AS) 70Bicuspid aortic valve 72Supravalvar AS 74LVOTO may occur at different levels: • Subvalvular.• Valvular—including bicuspid aortic valve.• Supravalvular.• Coarctation— see p.118.Effects of LVOTO, irrespective of site of lesion, are: • ↑ afterload on LV....


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