资讯

The aortic valve is normally tricuspid or trileaflet. When two of the cusps are fused together, the valve becomes functionally “bicuspid.” Most commonly, the right and left coronary cusps are ...
“Aortic regurgitation has a prevalence of between 4.9% and 10% ... regurgitation among older adults. Most aortic valves have three cusps. A somewhat common heart defect that people are born ...
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 ...
[5] In these instances the calcium deposits are thought to alter the structure and motion of the valve leaflets and thus prevent the normal opening of the aortic cusps. The cause of this ...
Which aortic valve cusp is most commonly and least commonly fused in patients with bicuspid aortic valve? The most commonly fused leaflets are the left and right coronary cusps followed by the ...
In principle, the blood volume passing through a stenotic valve (aortic stenosis) is equal to the blood volume proximal to the stenosis or in the LVOT (Figure 4 ... the aortic cusps in systole.
Medtronic has reported new clinical data from the study of its Evolut transcatheter aortic valve replacement (TAVR ... clinical outcomes when using the cusp overlap technique (COT) with the ...