age > 18
written informed consent
SVD defined on echocardiography by an alteration of bioprosthesis leaflets function with a mean transvalvular gradient > 20 mmHg and maximal velocity = 3 m/s and effective orifice area =1.2 cm², and/or an aortic regurgitation more or equal to grade 2 on 4.

NCT03015818_inc_T1
Person
age
NCT03015818_inc_T2
Value
> 18
NCT03015818_inc_T4
Condition
SVD
NCT03015818_inc_T5
Procedure
echocardiography
NCT03015818_inc_T6
Condition
alteration of bioprosthesis leaflets function
NCT03015818_inc_T7
Measurement
mean transvalvular gradient
NCT03015818_inc_T8
Value
> 20 mmHg
NCT03015818_inc_T9
Measurement
maximal velocity
NCT03015818_inc_T10
Value
= 3 m/s
NCT03015818_inc_T11
Measurement
effective orifice area
NCT03015818_inc_T12
Value
=1.2 cm²
NCT03015818_inc_T13
Condition
aortic regurgitation
NCT03015818_inc_T14
Value
re or equal to g on 4.
NCT03015818_inc_T15
Measurement
grade
NCT03015818_inc_T16
Scope
mean transvalvular gradient > 20 mmHg and maximal velocity = 3 m/s and effective orifice area =1.2 cm²
NCT03015818_inc_T17
Scope
alteration of bioprosthesis leaflets function with a mean transvalvular gradient > 20 mmHg and maximal velocity = 3 m/s and effective orifice area =1.2 cm², and/or an aortic regurgitation more or equal to grade 2 on 4