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Frequency. 2% of people over 65 (developed world) [ 1] Aortic stenosis ( AS or AoS) is the narrowing of the exit of the left ventricle of the heart (where the aorta begins), such that problems result. [ 1] It may occur at the aortic valve as well as above and below this level. [ 1] It typically gets worse over time. [ 1]
Aortic valve replacement. ICD-9-CM. 35.21 - 35.22 V43.3. [ edit on Wikidata] Aortic valve replacement is a cardiac surgery procedure whereby a failing aortic valve is replaced with an artificial heart valve. The aortic valve may need to be replaced because of aortic regurgitation (back flow), or if the valve is narrowed by stenosis .
Successful rate: 92%. [ 1] Transcatheter aortic valve implantation ( TAVI) is the implantation of the aortic valve of the heart through the blood vessels without actual removal of the native valve (as opposed to the aortic valve replacement by open heart surgery, surgical aortic valve replacement, AVR). The first TAVI was performed on 16 April ...
Frequency. 1 in 5,000–10,000 [ 4] Marfan syndrome ( MFS) is a multi-systemic genetic disorder that affects the connective tissue. [ 6][ 7][ 1] Those with the condition tend to be tall and thin, with long arms, legs, fingers, and toes. [ 1] They also typically have exceptionally flexible joints and abnormally curved spines. [ 1]
Moyamoya disease is a disease in which certain arteries in the brain are constricted. Blood flow is blocked by constriction and blood clots ( thrombosis ). [ 2] A collateral circulation develops around the blocked vessels to compensate for the blockage, but the collateral vessels are small, weak, and prone to bleeding, aneurysm and thrombosis.
“Working in a pretty intense environment, living in the city and being an adult for the first time was doing a number on my body,” the 27-year-old said of her diagnosis five years ago.
Heyde's syndrome is a syndrome of gastrointestinal bleeding from angiodysplasia in the presence of aortic stenosis. [ 1][ 2] It is named after Edward C. Heyde, MD, who first noted the association in 1958. [ 3] It is caused by cleavage of Von Willebrand factor (vWF) due to high shear stress forces from aortic valvular stenosis.
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