Table 2.
Procedure characteristics of patients according to the rhythm on the pre-percutaneous coronary intervention (PCI) electrocardiogram
| Procedure | All (N = 8830) | AF/flutter (n = 437) | Sinus rhythm (n = 8393) | P* |
|---|---|---|---|---|
| Transported by ambulance | 5802 (65.7) | 307 (70.3) | 5495 (65.5) | 0.042 |
| Initial PCI procedure | ||||
| Onset to hospital, min | 122.0 (72.0–220.0) | 122.0 (76.0–215.0) | 122.0 (71.0–220.0) | 0.671 |
| Hospital to procedure, min | 53.0 (23.0–90.0) | 46.0 (22.0–90.0) | 53.0 (23.0–90.0) | 0.278 |
| Radial access | 6017 (68.1) | 278 (63.6) | 5739 (68.4) | 0.037 |
| Sheath size, French | 0.813 | |||
| ≤ 5 | 153 (1.7) | 9 (2.1) | 144 (1.7) | |
| 6 | 8462 (95.8) | 415 (95.0) | 8047 (95.9) | |
| 7 | 202 (2.3) | 12 (2.7) | 190 (2.3) | |
| Medication use | ||||
| Unfractionated heparin | 7259 (82.2) | 356 (81.5) | 6903 (82.2) | 0.677 |
| Bivalirudin | 1679 (19.0) | 85 (19.5) | 1594 (19.0) | 0.812 |
| Enoxaparin | 764 (8.7) | 29 (6.6) | 735 (8.8) | 0.124 |
| Glycoprotein IIb/IIIa inhibitor | ||||
| Upfront | 2194 (24.8) | 80 (18.3) | 2114 (25.2) | 0.001 |
| Bailout | 1337 (15.1) | 60 (13.7) | 1277 (15.2) | 0.398 |
| Initial TIMI thrombus grade | 0.064 | |||
| 0 | 237 (2.7) | 11 (2.5) | 226 (2.7) | |
| 1 | 461 (5.2) | 9 (2.1) | 452 (5.4) | |
| 2 | 250 (2.8) | 13 (3.0) | 237 (2.8) | |
| 3 | 951 (10.8) | 40 (9.2) | 911 (10.9) | |
| 4 | 1235 (14.0) | 68 (15.6) | 1167 (13.9) | |
| 5 | 5690 (64.4) | 296 (67.7) | 5394 (64.3) | |
| TIMI 0 flow before PCI | 5842 (66.2) | 309 (70.7) | 5533 (65.9) | 0.039 |
| Upfront manual thrombectomy | 4327 (49.0) | 213 (48.7) | 4114 (49.0) | 0.911 |
| Bailout thrombectomy | 310 (3.5) | 35 (8.0) | 275 (3.3) | < 0.001 |
| Use of stenting | ||||
| Direct stenting | 2646 (30.0) | 110 (25.2) | 2536 (30.2) | 0.025 |
| Type of stent | ||||
| Bare metal | 4594 (52.0) | 266 (60.9) | 4328 (51.6) | < 0.001 |
| Drug-eluting | 3979 (45.1) | 145 (33.2) | 3834 (45.7) | < 0.001 |
| No. of stents | 1.4 ± 0.7 | 1.4 ± 0.7 | 1.4 ± 0.7 | 0.742 |
| Total stent length, mm | 21.3 ± 6.5 | 20.9 ± 6.3 | 21.3 ± 6.5 | 0.141 |
| Stent diameter, mm | 3.1 ± 0.5 | 3.2 ± 0.5 | 3.1 ± 0.5 | 0.011 |
| Median PCI procedure time, min | 37.0 (27.0–50.0) | 40.0 (29.0–55.0) | 37.0 (27.0–50.0) | 0.003 |
| Concomitant medications within 7 d prior to hospitalization | ||||
| ASA | 1353 (15.3) | 82 (18.8) | 1271 (15.1) | 0.040 |
| Clopidogrel | 210 (2.4) | 11 (2.5) | 199 (2.4) | 0.845 |
| Prasugrel | 18 (0.2) | 2 (0.5) | 16 (0.2) | 0.223 |
| Ticagrelor | 33 (0.4) | 3 (0.7) | 30 (0.4) | 0.223 |
| Oral anticoagulants | 140 (1.6) | 68 (15.6) | 72 (0.9) | < 0.001 |
| Concomitant medications during initial hospitalization | ||||
| ASA | 8640 (97.8) | 426 (97.5) | 8214 (97.9) | 0.589 |
| Clopidogrel | 6236 (70.6) | 329 (75.3) | 5907 (70.4) | 0.028 |
| Prasugrel | 1298 (14.7) | 47 (10.8) | 1251 (14.9) | 0.017 |
| Ticagrelor | 2198 (24.9) | 95 (21.7) | 2103 (25.1) | 0.118 |
| Oral anticoagulants | 522 (5.9) | 112 (25.6) | 410 (4.9) | < 0.001 |
| Concomitant medications at discharge | ||||
| ASA | 8605 (97.5) | 398 (91.1) | 8207 (97.8) | < 0.001 |
| Clopidogrel | 5387 (61.0) | 287 (65.7) | 5100 (60.8) | 0.040 |
| Prasugrel | 1090 (12.3) | 28 (6.4) | 1062 (12.7) | < 0.001 |
| Ticagrelor | 1920 (21.7) | 69 (15.8) | 1851 (22.1) | 0.002 |
| Oral anticoagulants | 524 (5.9) | 120 (27.5) | 404 (4.8) | < 0.001 |
Values are n (%), median (IQR), or mean ± standard deviation, unless otherwise indicated. Wilcoxon test was used for non-normally distributed variables.
ASA, acetylsalicylic acid; IQR, interquartile range; TIMI, thrombolysis in myocardial infarction.
⁎
P value is from χ2 test for categorical variables, and 2-sample t test for normally distributed variables.