Table 3. The echocardiographic and tissue Doppler parameters of stenotic group before and immediately after percutaneous transluminal angioplasty .
| Stenotic group (n=34) | Before PTA | After PTA | p value |
| Systolic blood pressure (mmHg) | 149 ± 21.2 | 153 ± 23.0 | 0.46 |
| Diastolic blood pressure (mmHg) | 69.3 ± 13.4 | 72.4 ± 15.2 | 0.31 |
| Heart rate (beats per minutes) | 72.1 ± 12.5 | 73.2 ± 13.6 | 0.67 |
| 2-D variable | |||
| RVEF (%) | 44.1 ± 5.5 | 45.1 ± 5.5 | 0.47 |
| LVEF (%) | 56.9 ± 6.7 | 58.1 ± 6.4 | 0.52 |
| M-mode variable | |||
| RV TAPSE (cm) | 2.1 ± 0.5 | 2.2 ± 0.4 | 0.52 |
| Doppler variable | |||
| RVOT TVI (m/s) | 21.7 ± 3.6 | 21.5 ± 3.6 | 0.40 |
| LVOT TVI (m/s) | 21.2 ± 4.6 | 20.9 ± 5.0 | 0.41 |
| Mitral E (cm/s) | 66.9 ± 15.4 | 66.6 ± 16.1 | 0.77 |
| Mitral A (cm/s) | 94.9 ± 14.7 | 101.5 ± 22.6 | 0.21 |
| Deceleration time (ms) | 217.3 ± 70.6 | 201.5 ± 63.0 | 0.38 |
| PASP (mmHg) | 28.9 ± 9.6 | 30.6 ± 10.6 | 0.50 |
| Calculation Index | |||
| M-index (cm/s) | 149.5 ± 68.2 | 147.8 ± 71.0 | 0.90 |
| RV Stroke Volume (ml) | 63.3 ± 20.1 | 62.7 ± 24.0 | 0.65 |
| LV Stroke Volume (ml) | 63.1 ± 17.4 | 62.9 ± 18.7 | 0.75 |
| RV (lateral tricuspid annulus) | |||
| Sm (cm/s) | 12.7 ± 2.6 | 12.3 ± 2.6 | 0.80 |
| Em (cm/s) | 7.3 ± 2.5 | 7.6 ± 3.0 | 0.80 |
| Am (cm/s) | 15.3 ± 4.3 | 15.5 ± 4.1 | 0.56 |
| IVCT (ms) | 63.5 ± 17.0 | 67.3 ± 18.0 | 0.40 |
| IVRT (ms) | 77.1 ± 33.9 | 80.6 ± 37.0 | 0.69 |
| MPI | 0.50 ± 0.14 | 0.52 ± 0.16 | 0.59 |
Variables area means ± standard deviations. Abbreviations as in Table 2.