Table 3.
Parameter | Young | Old | p-value |
---|---|---|---|
(N = 22) | (N = 20) | ||
PEAK Vavg, m/s | |||
Vavg, whole | 0.62 ± 0.11 | 0.43 ± 0.08* | < 0.001 |
Vavg, AAo | 0.70 ± 0.14 | 0.44 ± 0.09* | < 0.001 |
Vavg, DAo | 0.73 ± 0.12 | 0.41 ± 0.08* | < 0.001 |
Vavg, SAA | 0.99 ± 0.16 | 0.50 ± 0.09* | < 0.001 |
Vavg, IAA | 0.70 ± 0.15 | 0.48 ± 0.11* | < 0.001 |
PEAK Vmax, m/s | |||
Vmax, whole | 1.27 ± 0.14 | 1.30 ± 0.15 | 0.487 |
Vmax, AAo | 1.25 ± 0.13 | 1.30 ± 0.16 | 0.269 |
Vmax, DAo | 1.22 ± 0.15 | 0.67 ± 0.09* | < 0.001 |
Vmax, SAA | 1.47 ± 0.19 | 0.79 ± 0.15* | < 0.001 |
Vmax, IAA | 1.32 ± 0.25 | 0.84 ± 0.22* | < 0.001 |
DIASTOLIC TKEtotal, mJ | |||
TKEtotal, whole | 1.0 ± 0.5 | 1.3 ± 1.1 | 0.177 |
TKEtotal, AAo | 0.3 ± 0.2 | 0.7 ± 0.7 | 0.020 |
TKEtotal, DAo | 0.1 ± 0.2 | 0.2 ± 0.2 | 0.145 |
TKEtotal, SAA | 0.4 ± 0.4 | 0.3 ± 0.5 | 0.433 |
TKEtotal, IAA | 0.2 ± 0.2 | 0.2 ± 0.3 | 0.594 |
DIASTOLIC TKEmax, J/m3 | |||
TKEmax, AAo | 61.5 ± 20.1 | 96.6 ± 94.6 | 0.119 |
TKEmax, DAo | 74.1 ± 34.3 | 53.8 ± 29.0 | 0.046 |
TKEmax, SAA | 88.0 ± 35.2 | 62.2 ± 23.4 | 0.008 |
TKEmax, IAA | 79.0 ± 45.7 | 53.3 ± 24.7 | 0.028 |
DIASTOLIC TKEmed, J/m3 | |||
TKEmed, AAo | 3.2 ± 3.3 | 4.0 ± 3.3 | 0.431 |
TKEmed, DAo | 1.7 ± 4.5 | 2.5 ± 2.7 | 0.491 |
TKEmed, SAA | 6.3 ± 7.0 | 2.5 ± 5.0 | 0.051 |
TKEmed, IAA | 5.3 ± 4.7 | 2.4 ± 5.6 | 0.083 |
PEAK TKEtotal, mJ | |||
TKEtotal, whole | 8.6 ± 3.1 | 8.6 ± 3.8 | 1.000 |
TKEtotal, AAo | 3.7 ± 1.8 | 6.4 ± 2.4* | < 0.001 |
TKEtotal, DAo | 1.7 ± 0.6 | 1.1 ± 0.6 | 0.002 |
TKEtotal, SAA | 2.9 ± 1.3 | 1.6 ± 1.2 | 0.002 |
TKEtotal, IAA | 1.4 ± 0.6 | 1.0 ± 0.9 | 0.075 |
PEAK TKEmax, J/m3 | |||
TKEmax, AAo | 219.3 ± 59.4 | 223.5 ± 76.9 | 0.842 |
TKEmax, DAo | 182.1 ± 48.8 | 94.9 ± 41.7* | < 0.001 |
TKEmax, SAA | 214.8 ± 65.9 | 106.9 ± 49.6* | < 0.001 |
TKEmax, IAA | 208.2 ± 88.7 | 114.1 ± 68.9* | < 0.001 |
PEAK TKEmed, J/m3 | |||
TKEmed, AAo | 40.0 ± 11.2 | 34.3 ± 15.6 | 0.181 |
TKEmed, DAo | 39.1 ± 10.4 | 11.9 ± 6.4* | < 0.001 |
TKEmed, SAA | 47.6 ± 19.5 | 16.5 ± 11.2* | < 0.001 |
TKEmed, IAA | 39.9 ± 21.3 | 16.2 ± 9.6* | < 0.001 |
Indicates a statistically significant difference (p < 0.001) between the young and old groups. AAo, ascending aorta; DAo, descending aorta; SAA, suprarenal abdominal aorta; IAA, infrarenal abdominal aorta; TKE, turbulent kinetic energy.