Shone syndrome

Very rare congenital heart malformation consisting of the variable association of 4 obstructive lesions of the left heart:


-        mitral supravalvular ring (2)

-        parachute-like mitral valve deformation (1), 

-        subaortic stenosis (3) (or bicuspid aortic valve)

-        hypoplasitic aortic arch or aortic coarctation (4)


The most common clinical presentation is aortic coarctation or hypoplastic aortic arch in the neonatal period.



Anesthetic implications:

exclude other lesions in case of coarctation of the aorta; management of a mitral and/or aortic stenosis. Major risk of postcapillary pulmonary hypertension


References : 


Updated: December 2021