Table 2.
Angiographic and procedural characteristics.
| Overall Population (n = 360) | IPTW Population (n = 718) | |||||
|---|---|---|---|---|---|---|
| High Serum Lactate | Low Serum Lactate | p Value | High Serum Lactate | Low Serum Lactate | p Value | |
| (n = 119) | (n = 241) | (n = 358) | (n =360) | |||
| Infarct-related artery | 0.782 | 0.635 | ||||
| Left anterior descending artery | 58 (48.7) | 113 (46.9) | 161 (44.8) | 165 (45.8) | ||
| Left circumflex artery | 18 (15.1) | 36 (14.9) | 55 (15.4) | 54 (15.1) | ||
| Right coronary artery | 43 (36.1) | 90 (37.3) | 142 (39.8) | 137 (38.2) | ||
| Left main artery | 0 (0.00) | 2 (0.8) | 0 (0.00) | 3 (0.9) | ||
| Multi-vessel disease | 56 (47.1) | 121 (50.4) | 0.549 | 175 (48.9) | 177 (49.1) | 0.976 |
| TIMI flow grade before PCI | 0.988 | 0.921 | ||||
| 0 | 81 (68.1) | 161 (66.8) | 249 (69.5) | 244 (67.9) | ||
| 1 | 6 (5.0) | 14 (5.8) | 17 (4.8) | 23 (6.4) | ||
| 2 | 16 (13.4) | 34 (14.1) | 48 (13.5) | 49 (13.5) | ||
| 3 | 16 (13.4) | 32 (13.3) | 44 (12.3) | 44 (12.2) | ||
| Final TIMI flow grade 3 after PCI | 107 (90.7) | 214 (92.6) | 0.523 | 320 (89.4) | 322 (89.5) | 0.346 |
| Angiographic no reflow phenomenon | 7 (5.9) | 14 (6.1) | 0.962 | 20 (5.5) | 22 (6.2) | 0.746 |
| Presence of collateral flow | 51 (44.3) | 127 (58.0) | 0.018 | 164 (45.9) | 191 (52.9) | 0.063 |
| Myocardial blush grade | 0.367 | 0.450 | ||||
| 0 | 2 (1.7) | 1 (0.5) | 7 (1.9) | 1 (0.4) | ||
| 1 | 1 (0.9) | 3 (1.4) | 4 (1.2) | 5 (1.3) | ||
| 2 | 15 (13.0) | 18 (8.6) | 43 (12.0) | 30 (8.3) | ||
| 3 | 97 (84.3) | 188 (89.5) | 290 (81.0) | 281 (78.1) | ||
| Aspiration thrombectomy | 65 (54.6) | 115 (47.7) | 0.218 | 191 (53.4) | 172 (47.8) | 0.291 |
| Use of GPIIb/IIIa inhibitor | 14 (12.2) | 36 (17.1) | 0.235 | 41 (11.4) | 55 (15.2) | 0.157 |
| Number of implanted stents | 1.21 ± 0.58 | 1.15 ± 0.36 | 0.591 | 1.2 ± 0.5 | 1.3 ± 0.7 | 0.126 |
| Stent diameter (mm) | 1.2 ± 0.5 | 1.3 ± 0.7 | 0.288 | 3.1 ± 0.5 | 3.1 ± 0.4 | 0.929 |
| Stent length (mm) | 30.2 ± 15.7 | 32.9 ± 17.6 | 0.193 | 30.3 ± 15.2 | 33.3 ± 18.1 | 0.113 |
Data are presented as n (%), mean ± standard deviation. GP = glycoprotein, IPTW = inverse probability of treatment weighting, PCI = percutaneous coronary intervention, TIMI = thrombolysis in myocardial infarction.