Table 2.
Patients> Doppler echocardiographic findings*
| Total (n=154)
|
AVP Obstruction
|
p value
|
||
|---|---|---|---|---|
| Yes (n=71)
|
No (n=83)
|
|||
| AV peak velocity (m/s) | 2.90±1.5 | 3.40±2 | 2.50±0.60 | <0.001 |
| AV peak PG (mmHg) | 35±20 | 44.5±22.8 | 27±12.70 | <0.001 |
| AV mean PG (mmHg) | 20±14 | 25.2±14.2 | 16±13 | <0.001 |
| AV TVI (cm) | 50.70±18 | 58.3±19.9 | 43.90±13.70 | <0.001 |
| LVOT TVI (cm) | 20±7 | 20±7 | 20.20±7.10 | 0.79 |
| LVOT TVI / AV TVI | 0.43±0.15 | 0.37±0.14 | 0.48±0.15 | <0.001 |
| Normally functioning AV | 0.44±0.15 | 0.38±0.14 | 0.48±0.15 | <0.001 |
| Abnormal motion of AV | 0.33±0.13 | 0.30±0.10 | 0.51±0.15 | 0.18 |
| PG/MG ratio | 1.80±0.27 | 1.80±0.19 | 1.90±0.32 | 0.26 |
| Normally functioning AV | 1.80±0.33 | 1.80±0.17 | 1.90±0.32 | 0.85 |
| Abnormal motion of AV | 1.80±0.18 | 1.80±0.26 | 1.80±0.35 | 0.50 |
*
Data are presented as mean±SD
AV, Aortic valve; PG, Pressure gradient; TVI, Time velocity integral; LVOT, Left ventricular outflow tract; PG/MG ratio, The ratio of peak gradient to mean gradient; AVP, Aortic valve prosthesis