THE human aortic valve consists of three cusps made of relatively inelastic, muscle-free material about 0.15 mm thick. It opens and shuts about once a second, and withstands a pressure difference ...

The aortic valve is made up of three triangular flaps of tissue called cusps that open and close to keep blood flowing in only one direction . Sometimes, the aortic valve opening narrows – a ...

replacement of the diseased cusps have evolved. From our experience with advanced acquired aortic stenosis it is our present opinion that a freely movable valve can be obtained, and that any ...

Transthoracic and transesophageal echocardiography revealed a mobile mass on the right coronary cusp of the aortic valve. Multislice CT demonstrated a significant narrowing in the proximal left ...

The aortic valve area can be calculated and measured by planimetry. Detection of sclerodegenerative changes of the aortic cusps in an older asymptomatic individual may be associated with normal ...

Transthoracic echocardiography showed right cusp aneurysm without any vegetations ... a transvenous permanent pacemaker was inserted as a first stage of treatment. Successful aortic valve replacement ...

showed the ejection sound to be exactly synchronous with final halting of the opening aortic valve cusps. Echocardiographic visualisation of the aortic valve from the apex, looking up the left ...

Dystrophic calcifications of the aortic valve may cause symptomatic aortic stenosis and account for a significant portion of patients who undergo elective valve replacement. Calcifications appearing ...

Despite medical and surgical treatment endocarditis of her aortic valve developed and the resultant regurgitation required emergency surgery. At operation a new valve cusp was fashioned from preserved ...

Or it may happen later (acquired). It occurs more often in boys than in girls. A normal aortic valve has 3 cusps (leaflets) that act as a one-way door. With aortic stenosis, the valve doesn’t work as ...

Large and rare duplications and deletions in a chromosome region known as 22q11.2 , which involves genes that regulate ...

The Mitroflow aortic prosthesis (Sorin Group Inc) is one of the most frequently used bioprostheses, with >100 000 implanted worldwide. 5 The bovine pericardium is mounted externally around the stent, ...