Table 3. Comparison of baseline and follow-up RV longitudinal strain parameters .
|
Longitudinal
strain (%) |
Pre PBMV
(A) |
Post PBMV 48 hours (B) |
P
value
(A vs B) |
Post PBMV 15 days (C) |
P
value
(A vs C) |
| Basal septum | -12.53±7.43 | -16.83±6.31 | 0.011* | -20.98 ±7.39 | 0.008* |
| Mid septum | -10.63±6.68 | -15.35±7.89 | 0.015* | -19.72±5.26 | 0.003* |
| Apical septum | -14.26±6.37 | -16.62±5.73 | 0.017* | -19.63±7.81 | 0.002* |
| Basal RV FW | -20.65±12.27 | -24.53±11.97 | 0.014* | -27.64±12.58 | 0.023* |
| Mid RV FW | -20.79±9.37 | -22.63±10.42 | 0.091 | -23.73±11.74 | 0.058 |
| Apical RV FW | -15.16±8.91 | -16.28±9.87 | 0.061 | -17.89±10.78 | 0.069 |
| Global RV | -10.07±4.70 | -13.19±4.18 | 0.011* | -17.35±4.54 | 0.009* |
Abbreviations: PBMV, percutaneous balloon mitral valvuloplasty; RVFW, Right ventricle free wall; RV, Right ventricle
Paired Student’s t test. *indicates significant Pvalue (P≤0.05)