Table 5: Changes (Δ) of functional echo parameters before and after PCI.

Pre PCI (mean ± SD) Post PCI (mean ± SD) P
LV EDV (mL) - 25.7 ± 23.5 -14 ± 19.9 0.001
LV ESV (mL) - 18.1 ± 16.2 - 15.7 ± 6 0.65
LV SV (mL) - 7.6 ± 9.7 - 5 ± 7.3 0.49
LV EF (%) 5.6 ± 5.7 9 ± 5 0.15
E Wave (m/sec) - 3.5 ± 26 20 ± 38 0.1
E Dec. Time (ms) - 65 ± 73 - 35 ± 83 0.4
A Wave (m/sec) 13 ± 15.5 29.3 ± 25.6 0.09
E/A Ratio - 0.1 ± 0.2 - 0.1 ± 0.3 0.47
TDI S (cm/sec) 4.2 ± 3.6 4.8 ± 3.1 0.66
TDI E (cm/sec) 1.5 ± 3 5.2 ± 3.6 0.02
TDI A (cm/sec) 2.8 ± 4 3.2 ± 3.8 0.76
TDI E/E' - 1.8 ± 3 - 0.8 ± 3.6 0.52
SLR 3.6 ± 3 4.2 ± 2.7 0.62
DLR 1.3 ± 2.6 4.3 ± 3 0.01
LV_GLS % - 1.7 ± 2 - 1.3 ± 8 0.68
A4C SR S - 0.6 ± 0.3 - 0.8 ± 0.5 0.15
A4C SR E 0.4 ± 0.3 0.5 ± 0.5 0.53
A4C SR A 0.3 ± 0.3 0.39 ± 0.39 0.53
A2C SR S - 0.7 ± 0.3 - 0.5 ± 0.5 0.64
A2C SR E 0.3 ± 0.3 0.2 ± 0.5 0.52
A2C SR A 0.4 ± 0.5 0.4 ± 0.5 0.83
A LAX SR S - 0.6 ± 0.4 - 0.7 ± 0.4 0.54
A LAX SR E 0.3 ± 0.6 0.4 ± 0.5 0.65
A LAX SR A 0.4 ± 0.6 0.45 ± 0.69 0.94

PCI: Percutaneous coronary intervention; WMSI: Wall motion score index; LV: Left ventricle; EDV: End diastolic volume; ESV: End systolic volume;
SV: Stroke volume; EF: Ejection fraction; E: Early diastolic filling velocity; A: Late diastolic filling velocity; TDI: Tissue velocity imaging; S: Peak systolic velocity;
E: Peak early diastolic velocity; A: Peak late diastolic velocity; GLS: Global longitudinal strain; SR: Strain Rate;
A4C: Apical four chambers view; apical A2C: Two chambers view; A LAX: Apical long axis view.