Subaortic Stenosis - StatPearls - NCBI Bookshelf
2023年5月29日 · Subvalvular aortic stenosis (SAS), also called subaortic stenosis, is a rare disorder seen in infants. In most cases, there is a membrane (usually muscular) just below the aortic valve which causes a fixed obstruction to the blood flow across the …
Subaortic Stenosis - ACHA
Subaortic stenosis is the second most common form of left ventricular outflow obstruction. It occurs when the flow of blood from the heart’s pumping chamber or left ventricle is restricted. This obstruction is in the area of the heart under the aortic valve.
Subvalvular aortic stenosis: a review of current literature
Subvalvular aortic stenosis (SAS) is one of the common adult congenital heart diseases, with a prevalence of 6.5%. It is usually diagnosed in the first decade of life. Echocardiography is the test of choice to diagnose SAS.
Subvalvar aortic stenosis (subaortic stenosis) - UpToDate
Subvalvar aortic stenosis (AS) is the second most common form of AS. Among children with congenital AS, subvalvar AS accounts for 10 to 14 percent of cases [ 2,3 ]. Similar to valvar AS, subvalvar AS is more common in males, who account for 67 to 75 percent of cases [ 2,3 ].
Subvalvular Aortic Stenosis I Ohio State Medical Center
Subvalvular aortic stenosis (AS) is a rare congenital heart defect in which the left ventricle is narrowed below the level of the aortic valve resulting in obstruction to blood flow out of the heart. The condition is also known as subaortic stenosis.
Contemporary Clinical Characteristics, Imaging, Management, and ...
2024年11月11日 · Subaortic stenosis (SAS), also known as subvalvular aortic stenosis, is a rare condition characterized by mostly a membrane just beneath the aortic valve. 1, 2 The most common form is known as discrete SAS. This condition often leads to a fixed obstruction of blood flow across the left ventricular outflow tract (LVOT).
Subvalvular Aortic Stenosis - an overview | ScienceDirect Topics
Subvalvular aortic stenosis refers to outflow obstruction below the aortic valve and is divided into membranous and fibromuscular origin. Membranous subvalvular stenosis is the most common type and accounts for the majority of subvalvular aortic stenosis.
SUBVALVULAR AORTIC STENOSIS: - Journal of the American …
2024年4月6日 · Subvalvular aortic stenosis (SAS) secondary to subaortic membrane is a rare finding with a prevalence of 6.5% among adult congenital heart diseases and accounts for 14% of Left ventricular outflow tract (LVOT) obstructions.
In this review, we describe the pathophysiology, diagnosis, prog-nosis, and management of SAS with a focus on different pathophysiologic mechanisms, diag-nostic approach, and prognosis of the disease by reviewing the current literature.
Subaortic Stenosis | UK Healthcare
Subaortic stenosis, also called subvalvular aortic stenosis or SAS, is a heart disorder affecting 1 percent of infants born with congenital heart defects. In this type of heart disease, the passage between the left ventricle of the heart and the aorta narrows.