Table 2.
Angiographic and procedural characteristics of patients with confirmed diagnosis of STEMI
| Prior to COVID-19 N = 1305 |
During COVID-19 N = 1009 |
P | |
|---|---|---|---|
| Site of patient reception at pPCI hospital | |||
| Direct to catheterization laboratory | 679 (57.3) | 658 (66.0) | < .001 |
| Emergency department | 398 (33.6) | 258 (25.9) | < .001 |
| Critical care unit | 49 (4.1) | 40 (4.0) | < .001 |
| Coronary critical care unit | 45 (3.8) | 25 (2.5) | < .001 |
| Previously admitted to hospital | 14 (1.2) | 14 (1.4) | < .001 |
| Other | 1 (0.1) | 2 (0.2) | < .001 |
| Killip class at catheterization laboratory arrival | |||
| I | 1024 (81.0) | 821 (82.4) | .86 |
| II | 115 (9.1) | 83 (8.3) | .86 |
| III | 34 (2.7) | 25 (2.5) | .86 |
| IV | 91 (7.2) | 67 (6.7) | .86 |
| Coronary artery disease extent | |||
| 1-vessel disease | 789 (63.1) | 597 (60.1) | .003 |
| 2-vessel disease | 301 (24.1) | 296 (29.8) | .003 |
| 3-vessel disease | 161 (12.9) | 100 (10.1) | .003 |
| Radial access | 1087 (88.7) | 910 (91.4) | .036 |
| Location of culprit vessel | |||
| Left main coronary artery | 16 (1.2) | 15 (1.5) | .59 |
| Left anterior descending | 542 (41.5) | 454 (45.0) | .095 |
| Left circumflex | 198 (15.1) | 150 (14.9) | .84 |
| Right coronary artery | 476 (36.5) | 388 (38.5) | .33 |
| Bypass graft | 9 (0.7) | 5 (0.5) | .55 |
| Initial TIMI flow | |||
| 0 | 847 (68.9) | 724 (72.2) | .18 |
| 1 | 114 (9.3) | 75 (7.5) | .18 |
| 2 | 116 (9.4) | 99 (9.9) | .18 |
| 3 | 153 (12.4) | 105 (10.5) | .18 |
| Final TIMI flow | |||
| 0 | 22 (1.8) | 17 (1.7) | .95 |
| 1 | 15 (1.2) | 11 (1.1) | .95 |
| 2 | 48 (3.9) | 43 (4.3) | .95 |
| 3 | 1152 (93.1) | 925 (92.9) | .95 |
| PCI characteristics | |||
| IIb/IIIa inhibitor administration | 112 (8.6) | 150 (14.9) | < .001 |
| Mechanical thrombectomy | 337 (25.8) | 356 (35.3) | < .001 |
| Balloon angioplasty | 428 (32.8) | 361 (35.8) | .13 |
| Bare-metal stent implantation | 97 (7.4) | 24 (2.4) | < .001 |
| Drug-eluting stent implantation | 1066 (81.7) | 887 (87.9) | < .001 |
| Decision after coronary angiography | |||
| pPCI | 1209 (93.9) | 943 (94.7) | .74 |
| Rescue PCI | 29 (2.3) | 23 (2.3) | .74 |
| Routine early PCI after fibrinolysis | 24 (1.9) | 14 (1.4) | .74 |
| Coronary angiography without PCI | 26 (2.0) | 16 (1.6) | .74 |
PCI, percutaneous coronary intervention; pPCI, primary percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction; TIMI, Thrombolysis in Myocardial Infarction.
Values are reported as No. (%).