Research Article
Coronary Angiography Characteristics of Symptomatic Patients with Prior Coronary Artery Bypass Graft: A Descriptive Study
Table 3
CAG characteristics of diseased grafts in symptomatic patients with prior CABG (1408 diseased grafts in total 2877 grafts).
| | Variables | MT | PCI | value | | n = 480 | n = 928 |
| | Diseased grafts | 46.8% (480/1025) | 50.1% (928/1852) | 0.067 | | Type of diseased graft | | | 0.137 | | Arterial graft | 76 (15.8%) | 175 (18.9%) | | | SVG | 404 (84.2%) | 753 (81.1%) | | | Anastomosis territory | | | 0.928 | | LAD territory | 167 (34.8%) | 321 (34.6%) | | | LCX territory | 129 (26.9%) | 258 (27.8%) | | | RCA territory | 184 (38.3%) | 349 (37.6%) | | | Anastomosis type | | | 0.525 | | Individual | 168 (35.0%) | 342 (36.9%) | | | Sequential | 312 (65.0%) | 586 (63.1%) | | | Lesion characteristics | | | 0.003 | | CTO | 397 (82.7%) | 694 (74.8%) | | | Stenosis | 83 (17.3%) | 234 (25.2%) | | | 70%–80% | 48 (57.8%) | 66 (28.2%) | | | 80%–90% | 18 (21.7%) | 46 (19.7%) | | | 90%–99% | 17 (20.5%) | 121 (51.7%) | | | Lesion location | | | 0.002 | | Aortic anastomosis | 61 (12.7%) | 131 (14.1%) | | | Body | 49 (10.2%) | 150 (16.2%) | | | Distal anastomosis | 85 (17.7%) | 158 (17.0%) | | | Unknown | 285 (59.4%) | 489 (52.7%) | |
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CABG = coronary artery bypass graft; CAG = coronary angiography; CTO = chronic total occlusion; LAD = left anterior descending artery; LCX = left anterior descending artery; MT = medical therapy; PCI = percutaneous coronary intervention; RCA = right coronary artery; SVG = saphenous vein graft.
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