Table A2.
Angiographic and procedural characteristics according to serum lactate levels (mmol/L).
| Overall Population (n = 360) | IPTW Population (n = 1083) | |||||||
|---|---|---|---|---|---|---|---|---|
| Lactate ≤ 2.5 | 2.5 ≤ Lactate < 4.0 | Lactate > 4.0 | p Value | Lactate ≤ 2.5 | 2.5 ≤ Lactate < 4.0 | Lactate > 4.0 | p Value | |
| (n = 241) | (n = 80) | (n = 39) | (n = 359) | (n = 361) | (n = 363) | |||
| Infarct-related artery | 0.866 | 0.141 | ||||||
| Left anterior descending artery | 113 (46.9) | 41 (51.3) | 17 (43.6) | 165 (45.9) | 173 (48.0) | 138 (38.0) | ||
| Left circumflex artery | 36 (14.9) | 10 (12.5) | 8 (20.5) | 55 (15.2) | 44 (12.3) | 90 (24.7) | ||
| Right coronary artery | 90 (37.3) | 29 (36.3) | 14 (35.9) | 137 (38.0) | 143 (39.8) | 136 (37.3) | ||
| Left main artery | 2 (0.8) | 0 (0.0) | 0 (0.0) | 3 (0.9) | 0 (0.0) | 0 (0.0) | ||
| Multi-vessel disease | 121 (50.4) | 36 (45.0) | 20 (51.3) | 0.679 | 176 (49.1) | 182 (50.4) | 156 (42.9) | 0.464 |
| TIMI flow grade before PCI | 0.605 | 0.701 | ||||||
| 0 | 161 (66.8) | 55 (68.8) | 26 (66.7) | 243 (67.7) | 252 (69.9) | 239 (65.9) | ||
| 1 | 14 (5.8) | 2 (2.5) | 4 (10.3) | 23 (6.5) | 10 (2.7) | 29 (8.0) | ||
| 2 | 34 (14.1) | 13 (16.3) | 3 (7.7) | 49 (13.5) | 56 (15.6) | 46 (12.7) | ||
| 3 | 32 (13.3) | 10 (12.5) | 6 (15.4) | 44 (12.3) | 43 (11.9) | 49 (13.4) | ||
| Final TIMI flow grade 3 after PCI | 214 (92.6) | 72 (90.0) | 35 (92.1) | 0.755 | 322 (89.5) | 323 (89.5) | 327 (90.1) | 0.688 |
| Angiographic no reflow phenomenon | 14 (6.1) | 5 (6.3) | 2 (5.3) | 0.977 | 22 (6.1) | 19 (5.4) | 18 (5.0) | 0.903 |
| Presence of collateral flow | 127 (58.0) | 36 (46.8) | 15 (39.5) | 0.045 | 190 (52.8) | 173 (47.9) | 116 (31.9) | <0.001 |
| Myocardial blush grade | 0.166 | <0.001 | ||||||
| 0 | 1 (0.5) | 2 (2.6) | 0 (0.0) | 1 (0.4) | 11 (3.1) | 0 (0.0) | ||
| 1 | 3 (1.4) | 1 (1.3) | 0 (0.0) | 5 (1.3) | 5 (1.5) | 0 (0.0) | ||
| 2 | 18 (8.6) | 7 (9.1) | 8 (21.1) | 30 (8.2) | 28 (7.9) | 107 (29.4) | ||
| 3 | 188 (89.5) | 67 (87.0) | 30 (79.0) | 281 (78.2) | 297 (82.3) | 254 (70.0) | ||
| Aspiration thrombectomy | 115 (47.7) | 41 (51.3) | 24 (61.5) | 0.269 | 172 (47.8) | 181 (50.2) | 197 (54.3) | 0.587 |
| Use of GPIIb/IIIa inhibitor | 36 (17.1) | 11 (14.3) | 3 (7.9) | 0.332 | 55 (15.2) | 47 (13.1) | 20 (5.4) | 0.018 |
| Number of implanted stents | 1.3 ± 0.7 | 1.3 ± 0.6 | 1.1 ± 0.3 | 0.370 | 1.3 ± 0.7 | 1.2 ± 0.6 | 1.1 ± 0.2 | 0.004 |
| Stent diameter (mm) | 3.1 ± 0.4 | 3.1 ± 0.5 | 3.1 ± 0.5 | 0.876 | 3.1 ± 0.4 | 3.1 ± 0.5 | 3.2 ± 0.6 | 0.510 |
| Stent length (mm) | 32.8 ± 17.6 | 32.4 ± 17.9 | 26.0 ± 8.9 | 0.086 | 33.3 ± 18.1 | 32.4 ± 16.3 | 24.1 ± 7.1 | <0.001 |
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.