Table 1 Correlation between indices of functional mitral regurgitation and effective regurgitant orifice (ERO) in 74 patients with left ventricular dysfunction.
| Index | All patients | Correlation with ERO | |
|---|---|---|---|
| R | p Value | ||
| Dyssynchrony indices | |||
| Dyssynchrony index (ms) | 43.3 (15.2) | 0.39 | 0.001 |
| QRS duration (ms) | 134 (34.4) | 0.18 | NS |
| Mitral deformation indices | |||
| Tenting area (cm2) | 1.4 (0.6) | 0.65 | 0.0001 |
| MAC (%) | 27 (12) | −0.40 | 0.001 |
| Global left ventricular remodelling | |||
| D:L | 0.62 (0.17) | 0.43 | 0.0001 |
| ESVI (ml/m2) | 91.3 (27.4) | 0.32 | 0.01 |
| Local left ventricular remodelling | |||
| WMSI | 1.4 (0.4) | 0.39 | 0.001 |
| PPM‐fibrosa distance (cm) | 3.4 (0.6) | 0.43 | 0.0001 |
D:L, left ventricular short‐ to long‐axis dimension ratio; ESVI, end systolic volume index; MAC, mitral annular contraction; PPM, posterior papillary muscle; WMSI, wall motion score index.