PREVIEW
... performing angiography on the aortic root of the patient again, Lu Chen found that the patient had severe transverse aortic stenosis!
In this case, intervening valve stents and implantation in the non-calcified aortic valve area are prone to displacement, which increases the risk of TAVR failure.
Relative pathological dilation of its aortic root and ascending aorta, resulting in enlargement of the aortic valve annulus.
The area of the valve annulus exceeds the are ...
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