| Before commissurotomy | After commissurotomy | P value | ||
| Mean | SD | Mean | SD | |
Mean diastolic |
|
|
|
|
|
Pressure Gradient | 9.6 | 2.3 | 6.4 | 1.5 | <0.001 |
across MV (mmHg) |
|
|
|
|
|
RVSP (mmHg) | 35.3 | 3.2 | 23.8 | 3.3 | <0.001 |
LA pressure Mean (mmHg) | 12.7 | 2.6 | 6.3 | 1.8 | <0.001 |
LV pressure Mean (mmHg) | 105.5 | 10.6 | 128.0 | 7.1 | <0.001 |