Vessel undergoing CFI measurement | | | |
Left anterior descending coronary artery | 39 (39%) | 51 (51%) | NS |
Left circumflex coronary artery | 29 (29%) | 21 (21%) | NS |
Right coronary artery | 32 (32%) | 28 (28%) | NS |
Coronary angiographic data | | | NS |
Percentage diameter stenosis | 68 (320) | 68 (30) | NS |
Number of vessels diseased | 1.8 (0.8) | 1.8 (0.8) | NS |
Number of stenoses | 3.0 (2.0) | 2.7 (1.9) | NS |
Presence of chronic total coronary occlusion* | 27 (27%) | 21 (21%) | NS |
Collateral flow assessment | | | NS |
CFI† | 0.21 (0.12) | 0.19 (0.13) | NS |
CFI in angiographically normal vessels | 0.20 (0.09) (n = 13) | 0.15 (0.08) (n = 13) | NS |
CFI in chronic total coronary occlusions | 0.30 (0.14) (n = 18) | 0.30 (0.17) (n = 18) | NS |
Angina pectoris during balloon occlusion | 60 (60%) | 69 (69%) | 0.15 |
ST segment elevation in intracoronary ECG >0.1 mV | 74 (74%) | 79 (79%) | NS |