TABLE II.
Angiographic and Procedural Characteristics by Post-PCI MPG
| Post-PCI MPG 0 to 1, N = 60 |
Post-PCI MPG 2 to 3, N = 201 |
P value | |
|---|---|---|---|
| Pre-PCI coronary angiography | |||
| IRA–LAD, % | 53.3 | 22.4 | <0.0001 |
| IRA–Circ, % | 25.0 | 9.4 | |
| IRA–RCA, % | 21.7 | 68.2 | |
| IRA TIMI Flow Grade 0 to 1, % | 100 | 99 | 1.00 |
| Collaterals absent, % | 20 | 6 | 0.001 |
| Multivessel disease (>70% stenosis), % | 15.0 | 16.4 | 0.79 |
| Pre-PCI left ventricular angiography | |||
| LVEF, mean(SD) | 43.8, (10.5) | 50.8 (8.8) | <0.0001 |
| Infarct Segment Regional Wall Motion SD/Chord, mean (StdDev) | −3.2 (0.7) | −2.9 (1.0) | 0.06 |
| Diastolic Sphericity Index, mean (SD) | 30.6 (6.6) | 30.1 (6.4) | 0.63 |
| Systolic Sphericity Index, mean (SD) | 24.6 (6.8) | 22.6 (5.7) | 0.03 |
| Mitral Regurgitation present, % | 21.6 | 33.9 | 0.09 |
| Procedural characteristics and post-PCI angiography | |||
| Glycoprotein IIBIIIA inhibitor use during PCI (%) | 70.0 | 69.2 | 0.90 |
| Residual thrombus (%) | 8.3 | 4.0 | 0.18 |
| Distal embolization (%) | 5.0 | 7.5 | 0.77 |
| Post-PCI in-stent residual % diameter stenosis, mean, SD | 14.8 (14.0) | 14.0 (12.3) | 0.69 |
| Post-PCI in-lesion residual % diameter stenosis, mean, SD | 32.1 (18.7) | 29.6 (14.5) | 0.34 |
| Post-PCI Minimal Luminal Diameter mm, mean, SD | 2.1 (0.7) | 2.2 (0.5) | 0.13 |
| Stent implanted, % | 96.7 | 99.5 | 0.13 |
| Occurrence of post-PCI CK-MB elevationa (>ULN), % | 4.8 | 6.5 | 1.00 |
IRA, infarct-related artery; LAD, left anterior descending coronary artery; RCA, right coronary artery; Circ, left circumflex coronary artery; TIMI, thrombolysis in Myocardial infarction; LVEF, left ventricular ejection fraction, other abbreviations as in Table 1.
a
Post-PCI CK-MB elevation was present in 2/42 patients with MPG 0 to 1 and in 10/153 patients with MPG 2 to 3.