Table 2.
Main correlates of myocardial work indices at baseline, hospital discharge, and 1-year follow-up.
Baseline | GWI | GCW | GWW | GWE | ||||
r | p-Value | r | p-Value | r | p-Value | r | p-Value | |
LVEDVi | −0.11 | 0.35 | −0.16 | 0.18 | −0.03 | 0.79 | −0.15 | 0.22 |
LVESVi | −0.40 | 0.001 | −0.40 | 0.001 | 0.12 | 0.32 | −0.45 | <0.001 |
GLS | 0.83 | <0.001 | 0.74 | <0.001 | −0.35 | 0.004 | 0.67 | <0.001 |
ERO | −0.14 | 0.25 | −0.21 | 0.09 | −0.19 | 0.14 | 0.03 | 0.81 |
RV | 0.06 | 0.63 | 0.04 | 0.76 | −0.15 | 0.25 | 0.07 | 0.57 |
RF | 0.03 | 0.80 | −0.15 | 0.23 | −0.39 | 0.002 | 0.13 | 0.29 |
SVtot | 0.25 | 0.04 | 0.28 | 0.02 | 0.05 | 0.72 | 0.07 | 0.61 |
SBP | 0.44 | <0.001 | 0.56 | <0.001 | 0.34 | 0.005 | −0.03 | 0.78 |
DBP | 0.08 | 0.47 | 0.009 | 0.94 | 0.29 | 0.02 | −0.26 | 0.03 |
GCW | 0.92 | <0.001 | - | - | −0.02 | 0.89 | 0.50 | <0.001 |
GWW | −0.23 | 0.05 | −0.02 | 0.89 | - | - | −0.73 | <0.001 |
GWE | 0.62 | <0.001 | 0.50 | <0.001 | −0.73 | <0.001 | - | - |
MD | −0.17 | 0.16 | −0.10 | 0.41 | 0.37 | 0.02 | −0.52 | <0.001 |
Discharge | GWI | GCW | GWW | GWE | ||||
r | p-Value | r | p-Value | p-Value | p-Value | |||
LVEDVi | −0.22 | 0.08 | −0.26 | 0.04 | −0.08 | 0.52 | −0.03 | 0.79 |
LVESVi | −0.51 | <0.001 | −0.53 | <0.001 | 0.1 | 0.42 | −0.33 | 0.006 |
GLS | 0.83 | <0.001 | 0.78 | <0.001 | −0.46 | <0.0001 | 0.64 | <0.001 |
SBP | 0.50 | <0.001 | 0.63 | <0.001 | 0.22 | 0.06 | 0.15 | 0.22 |
DBP | 0.17 | 0.17 | 0.22 | 0.08 | 0.08 | 0.54 | −0.01 | 0.91 |
GCW | 0.94 | <0.001 | - | - | −0.12 | 0.34 | 0.51 | <0.001 |
GWW | −0.36 | 0.002 | 0.12 | 0.34 | - | - | −0.61 | <0.001 |
GWE | 0.65 | <0.001 | 0.51 | <0.001 | −0.61 | <0.001 | - | - |
MD | −0.32 | 0.005 | −0.20 | 0.11 | 0.64 | <0.001 | −0.39 | 0.001 |
1-Year FU | GWI | GCW | GWW | GWE | ||||
r | p-Value | r | p-Value | p-Value | p-Value | |||
LVEDVi | −0.07 | 0.59 | −0.15 | 0.27 | −0.11 | 0.41 | 0.006 | 0.97 |
LVESVi | −0.24 | 0.05 | −0.31 | 0.02 | −0.09 | 0.51 | 0.07 | 0.61 |
GLS | 0.72 | <0.001 | 0.70 | <0.001 | −0.29 | 0.03 | 0.52 | <0.001 |
SBP | 0.26 | 0.04 | 0.25 | 0.05 | 0.14 | 0.32 | 0.02 | 0.91 |
DBP | 0.26 | 0.05 | 0.27 | 0.04 | 0.12 | 0.37 | 0.01 | 0.92 |
GCW | 0.95 | <0.001 | - | - | −0.09 | 0.48 | 0.49 | <0.001 |
GWW | −0.28 | 0.03 | −0.09 | 0.48 | - | - | −0.86 | <0.001 |
GWE | 0.63 | <0.001 | 0.49 | <0.001 | −0.86 | <0.001 | - | - |
MD | −0.26 | 0.05 | −0.19 | 0.16 | 0.48 | <0.001 | −0.53 | <0.001 |
ERO, effective regurgitant orifice; FU, follow-up; GCW, global constructive work; GWE, global work efficiency; GWI, global work index; GWW, global wasted work; GLS, global longitudinal strain; LAVi, indexed left atrial volume; LVEDVi, indexed left ventricular end-diastolic volume; LVEF, left ventricular ejection fraction; LVESVi; RV, regurgitant volume; MD, mechanical dispersion; RF, regurgitant fraction; RV, regurgitant volume.