Characteristics of the study patients
| n | 25 |
| Age (years) | 65 (11) |
| Heart rate (beats/min) | 71 (9) |
| Ejection fraction (%) | 65 (14) |
| 1/2/3 vessel disease | 19/6/0 |
| PTCA of: | |
| LAD stenosis | 16 |
| LCx stenosis | 4 |
| RCA stenosis | 5 |
| Size of region of interest (pixels) | 641 (242) |
| Contrast transit rate (s) (ipsilateral injections before PTCA) | 14 (9) |
| Contrast transit rate (s) (bilateral injections during PTCA) | 11 (8) |
Values are mean (SD) or n.
LAD, left anterior descending coronary artery; LCx, left circumflex coronary artery; PTCA, percutaneous transluminal coronary angioplasty; RCA, right coronary artery.