Introduction
Methods
Study Population
Characteristic | BAV patients | Controls | p-value |
---|---|---|---|
N | 18 | 10 | |
Age | 15.7 +/- 1.9 | 14.2 +/- 2.6 | 0.10 |
BSA | 1.7 +/- 0.30 | 1.7 +/- 0.31 | 0.87 |
male | 72.2 % (n = 13) | 70 % (n = 7) | 0.87 |
female | 27.8 % (n = 5) | 30 % (n = 3) | |
Characteristic
|
BAV Patients
| ||
Aortic dilatation | 14 | ||
Aortic aneurysm | 0 | ||
Left/right cor. cusp fusion: | 15 | ||
Right/non-cor. cusp fusion | 3 | ||
Left/non-cor. cusp fusion | 0 |
CMR
Image Analysis and Visualization
Aortic Blood Flow Direction
Aortic diameter measurements
MMP 2, 9 and TIMP 1, 2 plasma measurements
Statistics
Results
Aortic diameters
BAV | Controls | ||||||
---|---|---|---|---|---|---|---|
N | Mean | Mean/√BSA | N | Mean | Mean/√BSA | p-value | |
AOV (mm) | 18 | 27.95 +/- 1.06 | 21.40 +/- 0.75 | 10 | 24.71 +/- 1.15 | 19.05 +/- 0.76 | 0.054 |
SOV (mm) | 18 | 33.17 +/- 1.09 | 25.44 +/- 0.79 | 10 | 29.01 +/- 0.77 | 22.48 +/- 0.81 | 0.022 |
STJ (mm) | 18 | 28.90 +/- 1.00 | 22.09 +/- 0.63 | 10 | 25.59 +/- 1.25 | 19.69 +/- 0.67 | 0.022 |
AA (mm) | 18 | 30.79 +/- 1.18 | 23.31 +/- 0.78 | 10 | 22.96 +/- 1.26 | 17.15 +/- 0.65 | <0.001 |
ANGLE (°) | 18 | 17.54 +/- 0.87 | 10 | 10.01 +/- 1.29 | 0.01 |
Intra-Rater | |||||
---|---|---|---|---|---|
Mean Value (mm) | Mean Stddev (mm) | CV (%) | CCC | Bland Altman 95% confidence interval of difference (mm) | |
AOV
| 23.74 | 1.17 | 4.6% | 0.926 | [-2.59,3.91] |
SOV
| 30.32 | 0.98 | 3.2% | 0.949 | [-2.44,3.00] |
STJ
| 27.42 | 0.67 | 2.6% | 0.970 | [-2.14,1.59] |
AA
| 27.91 | 0.67 | 2.3% | 0.988 | [-1.89,1.79] |
Mean Value (degrees)
|
Mean Stddev (degrees)
|
CV (%)
|
CCC
|
Bland Altman 95% confidence interval of difference (degrees)
| |
FLOW ANGLE
| 13.7 | 1.64 | 12.0% | 0.946 | [-4.34,4.77] |
Inter-Rater
| |||||
Mean Value (mm)
|
Mean Stddev (mm)
|
CV (%)
|
CCC
|
Bland Altman 95% confidence interval of difference (mm)
| |
AOV
| 23.74 | 1.33 | 5.1% | 0.893 | [-4.94,2.45] |
SOV
| 30.32 | 1.23 | 3.9% | 0.914 | [-4.17,2.62] |
STJ
| 27.42 | 1.00 | 3.8% | 0.910 | [-3.76,1.79] |
AA
| 27.91 | 0.86 | 3.0% | 0.977 | [-1.97,2.78] |
Mean Value (degrees)
|
Mean Stddev (degrees)
|
CV (%)
|
CCC
|
Bland Altman 95% confidence interval of difference (degrees)
| |
FLOW ANGLE
| 13.7 | 1.38 | 10.2% | 0.960 | [-3.40,4.23] |
Direction of Systolic Aortic Flow Jet
N | r-value | p-value | |
---|---|---|---|
AOV | 18 | 0.000 | 0.999 |
SOV | 18 | 0.386 | 0.114 |
STJ | 18 | 0.472 | 0.048* |
AA | 18 | 0.536 | 0.022* |
N | r-value | p-value | |
---|---|---|---|
AOV | 10 | -0.129 | 0.999 |
SOV | 10 | -0.378 | 0.282 |
STJ | 10 | 0.377 | 0.283 |
AA | 10 | 0.243 | 0.498 |
N | r-value | p-value | |
---|---|---|---|
AOV | 28 | 0.159 | 0.420 |
SOV | 28 | 0.405 | 0.033* |
STJ | 28 | 0.562 | 0.002** |
AA | 28 | 0.645 | <0.001** |