Table 2. Comparison of baseline and follow-up conventional echocardiographic characteristics .
| Parameter |
Pre PBMV
(A) |
Post PBMV 48 hours (B) |
P
value
(A vs B) |
Post PBMV 15 days (C) |
P
value
(A vs C) |
| 2D MVA (cm2) | 0.73 ± 0.27 | 1.73 ± 0.29 | <0.001* | 1.81 ± 0.13 | <0.001* |
| Peak MVG (mm Hg) | 26.7±7.9 | 9.6±2.8 | <0.001* | 8.2±2.8 | <0.001* |
| Mean MVG (mm Hg) | 15.9±4.5 | 4.6±1.1 | <0.001* | 4.2±1.5 | <0.001* |
| PASP (mm Hg) | 56.8±20.3 | 45.5±15.2 | <0.001* | 38.9±15.7 | <0.001* |
| TAPSE (mm) | 19.21±4.13 | 23.84±7.61 | 0.015* | 51.51±11.8 | 0.008* |
| FAC (%) | 36.71±15.76 | 48.85±11.32 | <0.001* | 51.51±11.8 | <0.001* |
| RV MPI | 0.71±0.15 | 0.72±0.12 | 0.256 | 0.73±0.21 | 0.162 |
Abbreviations: PBMV, percutaneous balloon mitral valvuloplasty; MVA, mitral valve area; PASP, pulmonary artery systolic pressure; MVG, mitral valve gradient; TAPSE, tricuspid annular plane systolic excursion; FAC, fractional area change; RV MPI, right ventricular myocardial performance index
Paired Student’s t test. *indicates significant P value (P≤0.05)