Table 3: Echocardiographic Functional parameters at rest before and after PCI.

Pre PCI (mean ± SD) Post PCI (mean ± SD) P
WMSI 1.6 ± 0.3 1.5 ± 0.4 0.50
LV EDV (mL) 110.4 ± 43.4 105.5 ± 40.7 0.53
LV ESV (mL) 59.1 ± 29.9 51.7 ± 29.5 0.18
LV SV (mL) 51.2 ± 14.5 53.8 ± 12.3 0.45
LV EF (%) 48 ± 7.2 53 ± 8.2 0.03
E Wave (m/sec) 68 ± 22.6 62.7 ± 15.5 0.94
E Dec. Time (ms) 217 ± 73.6 186 ± 82.5 0.29
A Wave (m/sec) 82 ± 17.2 79 ± 22.1 0.56
E/A Ratio 0.8 ± 0.2 0.9 ± 0.5 0.55
TDI S (cm/sec) 7.1 ± 1.3 7.1 ± 1.1 1
TDI E (cm/sec) 7.8 ± 2.3 6.2 ± 1.8 0.067
TDI A (cm/sec) 10.5 ± 2.2 10.7 ± 2.1 0.8
TDI E/E' 9.2 ± 3.7 9.9 ± 2.3 0.44
LV_GLS % - 15.6 ± 4.1 - 16.1 ± 3.4 0.4
A4C SR S - 0.8 ± 0.2 - 0.6 ± 0.2 0.03
A4C SR E 0.7 ± 0.3 0.8 ± 0.3 0.47
A4C SR A 0.9 ± 0.2 1.1 ± 0.2 0.02
A2C SR S - 0.9 ± 0.2 - 1 ± 0.1 0.07
A2C SR E 0.9 ± 0.3 0.9 ± 0.4 0.54
A2C SR A 1.1 ± 0.4 1.2 ± 0.3 0.48
A LAX SR S - 0.8 ± 0.2 - 1 ± 0.6 0.22
A LAX SR E 0.8 ± 0.3 0.8 ± 0.5 0.47
A LAX SR A 1 ± 0.3 1.3 ± 0.3 0.03

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.