Table 2.
Angiographic Characteristics According to AHR in Patients With a RCA Culprit Lesion
| AHR <60 bpm | 60 ≤ AHR ≤79 bpm | 80 ≤ AHR ≤99 bpm | AHR ≥100 bpm | P Value (All) | |
|---|---|---|---|---|---|
| TIMI flow | |||||
| 0/1 | 1.2% (2/162) | 7.1% (34/482) | 8.5% (26/307) | 12.5% (12/96) | 0.003 |
| 2 | 8.6% (14/162) | 8.1% (39/482) | 7.2% (22/307) | 10.4% (10/96) | 0.77 |
| 3 | 90.1% (146/162) | 84.9% (409/482) | 84.4% (259/307) | 77.1% (74/96) | 0.05 |
| Myocardial blush grade | |||||
| 0/1 | 1.4% (2/146) | 7.8% (35/450) | 9.1% (26/286) | 14.3% (12/84) | 0.003 |
| 2 | 7.5% (11/146) | 9.3% (42/450) | 7.3% (21/286) | 11.9% (10/84) | 0.53 |
| 3 | 91.1% (133/146) | 82.9% (373/450) | 83.6% (239/286) | 73.8% (62/84) | 0.007 |
| Lesion morphology | |||||
| Location | |||||
| Ostial | 0.9% (2/225) | 2.5% (17/670) | 2.2% (9/413) | 3.4% (4/119) | 0.42 |
| Proximal | 36.9% (83/225) | 30.3% (203/670) | 33.7% (139/413) | 34.5% (41/119) | 0.27 |
| Thrombus | 85.8% (193/225) | 77.8% (521/670) | 81.3% (335/412) | 84.0% (100/119) | 0.04 |
| Calcification (moderate/severe) | 43.6% (98/225) | 35.7% (238/666) | 39.2% (161/411) | 44.5% (53/119) | 0.09 |
| Angulation >90° | 1.4% (3/222) | 0.8% (5/658) | 0.7% (3/404) | 0.8% (1/118) | 0.86 |
| Eccentric | 5.3% (12/225) | 6.0% (40/669) | 8.2% (34/413) | 4.2% (5/119) | 0.27 |
| Tortuosity (moderate/severe) | 2.2% (5/225) | 2.2% (15/669) | 1.9% (8/412) | 0.0% (0/119) | 0.44 |
| Lesion class ACC/AHA >B1 | 92.4% (208/225) | 90.0% (603/670) | 91.3% (377/413) | 92.4% (110/119) | 0.63 |
Values are shown as % (n/N). ACC indicates American College of Cardiology; AHA, American Heart Association; AHR, admission heart rate; bpm, beats per minute; RCA, right coronary artery; TIMI, thrombolysis in myocardial infarction.