Table 4: Echocardiographic functional parameters during stress before and after PCI.
Pre PCI (mean ± SD) | Post PCI (mean ± SD) | P | |
HR (bpm) | 120 ± 13.1 | 131 ± 12.2 | 0.05 |
WMSI | 1.5 ± 0.3 | 1.5 ± 0.4 | 0.75 |
LV EDV (mL) | 84.7 ± 31.9 | 84.7 ± 42.5 | 1 |
LV ESV (mL) | 41 ± 22.6 | 36 ± 28.4 | 0.17 |
LV SV (mL) | 43.6 ± 11.1 | 48.7 ± 15.1 | 0.08 |
LV EF (%) | 53.6 ± 7.8 | 62 ± 11 | 0.001 |
E Wave (m/sec) | 64.6 ± 12.7 | 81.7 ± 36.4 | 0.2 |
E Dec. Time (ms) | 152 ± 56.3 | 150 ± 54 | 0.94 |
A Wave (m/sec) | 95.5 ± 23.4 | 108 ± 35.4 | 0.26 |
E/A Ratio | 0.6 ± 0.1 | 0.8 ± 0.4 | 0.39 |
TDI S (cm/sec) | 11.4 ± 3.1 | 12 ± 3.4 | 0.52 |
TDI E (cm/sec) | 7.8 ± 2.3 | 11.4 ± 4 | 0.11 |
TDI A (cm/sec) | 13.3 ± 4.5 | 14 ± 4.7 | 0.37 |
TDI E/E' | 7.4 ± 2.3 | 8.8 ± 4.3 | 0.70 |
LV_GLS % | - 17.3 ± 4.8 | - 17.4 ± 4.5 | 0.78 |
A4C SR S | - 0.8 ± 0.2 | - 1.8 ± 0.6 | 0.02 |
A4C SR E | 1.2 ± 0.4 | 1.4 ± 0.8 | 0.27 |
A4C SR A | 0.9 ± 0.2 | 1.5 ± 0.5 | 0.03 |
A2C SR S | - 1.5 ± 0.3 | - 1.6 ± 0.7 | 0.79 |
A2C SR E | 1.2 ± 0.5 | 1.2 ± 0.5 | 0.77 |
A2C SR A | 1.5 ± 0.4 | 1.6 ± 0.5 | 0.37 |
A LAX SR S | - 1.4 ± 0.5 | - 1.7 ± 0.6 | 0.01 |
A LAX SR E | 1.1 ± 0.6 | 1.2 ± 0.7 | 0.27 |
A LAX SR A | 1.4 ± 0.4 | 1.7 ± 0.6 | 0.13 |
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.