Normal Bioprosthetic Aortic Valve

 

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This is a short axis TEE view of a normally functioning bioprosthetic aortic valve. Note the 3 struts from which the valve was constructed as well as the post surgical changes seen at the aortic root. This is the classic appearance of a typical bioprosthetic valve.

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Color Doppler interrogation should be performed in all views to assess for paravalvular and valvular regurgitation. There appears to be trace central regurgitation in this view.

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A long axis view shown here shows normal opening and closing of the valve leaflets

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The deep transgastric position at zero degrees can be used to assess for valve gradients by TEE. Here is a typical view. Color Doppler shows there is some mild valvular regurgitation.
As one might expect from the 2D images in the other views, gradients across the valve are normal with a peak velocity here of less than 1.5 meters/sec as shown here with continuous wave Doppler.