Table 2.
Impact of PTMC on routine echo parameters.
| Parameter | Pre-PTMC (mean ± SD) | Post-PTMC (mean ± SD) | Difference (mean) | p-Value |
|---|---|---|---|---|
| LA diameter (cm) | 4.82 ± 0.51 | 4.46 ± 0.58 | 0.36 | <0.001 |
| LA volume (ml/mm2) | 79.00 ± 12.30 | 67.95 ± 14.93 | 11.05 | <0.001 |
| LVIDD (cm) | 4.39 ± 0.34 | 4.54 ± 0.29 | −0.15 | <0.001 |
| LVIDS (cm) | 2.73 ± 0.36 | 2.78 ± 0.27 | −0.05 | 0.136 |
| LVEDV (ml/m2) | 60.99 ± 10.79 | 65.82 ± 8.97 | −4.83 | <0.001 |
| LVESV (ml/m2) | 19.37 ± 5.77 | 20.15 ± 4.44 | −0.78 | 0.193 |
| LVEF (%) | 68.52 ± 5.48 | 69.56 ± 4.44 | −1.04 | 0.143 |
| MVA-2D (cm2) | 0.74 ± 0.13 | 1.77 ± 0.25 | −1.03 | <0.001 |
| MVA-PHT (cm2) | 0.79 ± 0.14 | 1.80 ± 0.22 | −1.01 | <0.001 |
| PDG (mmHg) | 27.76 ± 6.25 | 13.12 ± 4.43 | 14.64 | <0.001 |
| MDG (mmHg) | 15.60 ± 4.23 | 6.40 ± 1.91 | 9.20 | <0.001 |
| PASP (mmHg) | 58.68 ± 13.14 | 45.92 ± 11.56 | 12.76 | <0.001 |
Note: LA, left atrium; LVIDD, left ventricular diastolic diameter; LVIDS, left ventricular systolic diameter; LVEDV, left ventricular end diastolic volume; LVESV, left ventricular end systolic volume; LVEF, left ventricular ejection fraction; MVA, mitral valve area-planimetry; MVA-PHT, mitral valve area – pressure half time; PDG, peak diastolic gradient; MDG, mean diastolic gradient; PASP, pulmonary artery systolic pressure. Bold entries represent significant p values.