Outcome | PBSG (n = 60) | CDSG (n = 60) | P value |
---|---|---|---|
The primary outcomes | |||
The incidence of no-reflow-no. (%) | 0 (0) | 18 (30) | 0.002 |
Pre-PCI TIMI flow-no. (%) | Â | Â | 0.193 |
 TIMI 0–1 | 50 (83.3) | 38 (63.3) |  |
 TIMI 2 | 4 (6.8) | 6 (10) |  |
 TIMI 3 | 6 (10) | 16 (26.7) |  |
Immediate after PCI TIMI flow-no. (%) | Â | Â | 0.005 |
 TIMI 0–1 | 0 (0) | 2 (3.3) |  |
 TIMI 2 | 2 (3.3) | 20 (33.3) |  |
 TIMI 3 | 58 (96.7) | 38 (63.3) |  |
Myocardial blush grade after PCI-no. (%) | Â | Â | 0.001 |
 0 | 0 (0) | 0 (0) |  |
 1 | 0 (0) | 12 (20) |  |
 2 | 24 (40) | 36 (60) |  |
 3 | 36 (60) | 12 (20) |  |
ST-segment resolution ≥ 50%-no. (%) | 54 (90) | 40 (66.7) | 0.028 |
Corrected TIMI frame count-no. (%) | 35.6 ± 14.5 | 49.18 ± 25.2 | 0.014 |
The secondary outcomes | |||
30-day clinical outcomes-no. (%) | 4 (13.3) | 7 (23.3) | 0.506 |
 Target vessel revascularization | 2 (6.7) | 3 (10) | 1.000 |
 Recurrent myocardial infarction | 1(3.3) | 3 (10) | 0.612 |
 Cardiovascular mortality | 1 (3.3) | 1 (3.3) | 1.00 |
One-year clinical outcomes-no. (%) | 7 (23.3) | 11 (36.7) | 0.399 |
 Target vessel revascularization | 3 (10) | 5 (16.7) | 0.706 |
 Recurrent myocardial infarction | 3 (10) | 4 (13.3) | 1.00 |
 Cardiovascular mortality | 1 (3.3) | 2 (6.7) | 1.00 |
Others | |||
 Distal embolization of culprit vessels-no. (%) | 0 (0) | 2 (3.3) | 0.313 |
 Procedure time-min | 37 ± 11.8 | 39 ± 18 | 0.572 |
 Radiation exposure time-min | 1208.6 ± 757.7 | 932.69 ± 452.9 | 0.130 |
 Bleeding events-no. (%) | 0 (0) | 2 (3.3) | 0.313 |