Angiographic characteristics
| Angiographic feature | Verapamil group (n = 49) | Adenosine group (n = 51) | Normal saline group (n = 50) | p Value |
|---|---|---|---|---|
| Data are presented as number (%) or mean (SD). | ||||
| LAD, left anterior descending artery; MBG, myocardial blush grade; MLD, minimum lumen diameter; RCA, right coronary artery; RD, reference diameter; SVG, saphenous vein graft; TFC, TIMI (Thrombolysis in Myocardial Infarction) frame count; TFG, TIMI flow grade. | ||||
| LAD | 19 (38.8%) | 24 (47%) | 24 (48%) | 0.6 |
| RCA | 16 (32.7%) | 17 (37%) | 15 (30%) | 0.9 |
| Circumflex | 14 (28.6%) | 10 (19.6%) | 10 (20%) | 0.5 |
| SVG | 0 | 0 | 1 (2%) | 0.3 |
| Before percutaneous coronary intervention | ||||
| Stenosis (%) | 78 (13.8) | 74 (15.2) | 72.3 (15.2) | 0.1 |
| MLD (mm) | 0.83 (0.45) | 0.93 (0.45) | 0.9 (0.4) | 0.4 |
| RD (mm) | 2.99 (0.54) | 3.2 (0.59) | 3.12 (0.75) | 0.3 |
| TFG | 2.39 (1.2) | 2.6 (0.9) | 2.8 (0.7) | 0.09 |
| TFC | 34.9 (33.4) | 29.7 (26.9) | 23.2 (22) | 0.1 |
| MBG | 1.88 (1.2) | 1.8 (1) | 2.3 (0.9) | 0.04 |
| Slow flow/no reflow | 5 (10.2%) | 6 (11.7%) | 2 (4%) | 0.3 |
| After percutaneous coronary intervention | ||||
| Stenosis (%) | 4.1 (5.8) | 3.5 (5.3) | 4.1 (5.4) | 0.8 |
| MLD (mm) | 3.26 (0.47) | 3.32 (0.5) | 3.19 (0.7) | 0.5 |
| RD (mm) | 3.23 (0.47) | 3.33 (0.5) | 3.29 (0.6) | 0.7 |
| TFG | 2.9 (0.1) | 3 (0) | 3 (0) | 0.4 |
| TFC | 9.8 (6.6) | 10.3 (5.9) | 10.3 (4.7) | 0.9 |
| MBG | 2.9 (0.3) | 2.96 (0.2) | 2.8 (0.6) | 0.2 |
| Slow flow/no reflow | 2 (4%) | 3 (5.8%) | 1 (2%) | 0.7 |
| After study drug | ||||
| TFG | 3 (0) | 3 (0) | 3 (0) | 1 |
| TFC | 8.6 (5.9) | 8.2 (5.1) | 10.3 (5.5) | 0.1 |
| MBG | 2.9 (0.2) | 2.9 (0.1) | 2.9 (0.2) | 0.5 |
| Slow flow/no reflow | 2 (4%) | 0 | 1 (2%) | 0.4 |