Research Article
Utilization of Vein Grafts in Coronary Artery Bypass Grafting: Reasons and Outcomes in a Bilateral Mammary Artery First Center
Table 2
Periprocedural data of unmatched and propensity score-matched patients.
| | | Before propensity score matching | After propensity score matching | | Group 1: BIMA (n = 2067) | Group 2: IMA + SVG (n = 1206) | value | Group 1: BIMA (n = 646) | Group 2: IMA + SVG (n = 646) | value |
| | Procedure duration, median (IQR) | 255 (220–300) | 237 (196–285) | <0.001 | 255 (215–290) | 245 (205–295) | 0.099 | | Skeletonized IMA harvesting, n (%) | 1727 (83.6%) | 1031 (85.5%) | 0.163 | 524 (81.1%) | 555 (85.9%) | 0.024 | | On-pump arrested heart, n (%) | 1238 (59.9%) | 626 (51.9%) | <0.001 | 341 (52.8%) | 372 (57.6%) | 0.093 | | On-pump beating-heart, n (%) | 46 (2.2%) | 87 (7.2%) | <0.001 | 20 (3.1%) | 41 (6.3%) | 0.008 | | Off-pump, n (%) | 783 (37.9%) | 493 (40.9%) | 0.095 | 285 (44.1%) | 233 (36.1%) | 0.004 | | Complete revascularization, n (%) | 1609 (77.8%) | 905 (75.0%) | 0.071 | 484 (74.9%) | 493 (76.3%) | 0.604 | | Number of bypasses, median (IQR) | 2 (2–3) | 3 (2–3) | <0.001 | 2 (2–3) | 3 (2–3) | 0.009 | | Central anastomosis, n (%) | 13 (0.7%) | 506 (44.9%) | <0.001 | 6 (1.0%) | 306 (50.5%) | <0.001 |
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BIMA, bilateral internal mammary artery; IMA, internal mammary artery; SVG, saphenous vein graft.
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