Overall (n = 54) | Surgically-treated type A AD with residual tear (n = 35) | Medically-treated type B AD (n = 19) | P-value | |
---|---|---|---|---|
Anatomical features | ||||
Maximum DAo diameter [mm] | 48 ± 10 | 48 ± 11 | 49 ± 8 | 0.368 |
Dominant entry tear area [cm2] | 1.2 ± 0.8 | 1.1 ± 0.8 | 1.3 ± 0.9 | 0.326 |
Local distance of the dominant entry tear [mm] | 28 ± 28 | 30 ± 26 | 26 ± 33 | 0.370 |
Thrombus in the false lumen [%] | 11 ± 14 | 11 ± 14 | 12 ± 16 | 0.636 |
Flow dynamics in the false lumen | ||||
Retrograde systolic flow [mL] | 1.6 ± 1.3 | 1.6 ± 1.1 | 1.6 ± 1.5 | 0.867 |
Retrograde diastolic flow [mL] | 9.7 ± 5.0 | 9.8 ± 4.5 | 9.5 ± 6.0 | 0.553 |
Retrograde flow fraction [%] | 82 ± 42 | 92 ± 42 | 66 ± 38 | 0.109 |
IRF [cm2/s] | 1.25 ± 5.79 | 1.04 ± 4.55 | 1.63 ± 7.72 | 0.923 |
WSS [N/m2] | 0.26 ± 0.10 | 0.26 ± 0.10 | 0.24 ± 0.10 | 0.475 |
KE [mJ] | 0.62 ± 0.48 | 0.54 ± 0.34 | 0.47 ± 0.30 | 0.523 |
MSDR [cm/s3] | 2996 ± 2552 | 3448 ± 2531 | 2193 ± 2453 | 0.055 |
Flow stasis [%] | 52 ± 18 | 54 ± 18 | 47 ± 18 | 0.200 |
Biomechanics in the false lumen | ||||
PWV [m/s] | 7.7 ± 3.7 | 7.7 ± 3.7 | 7.6 ± 3.6 | 0.808 |