Research Article
Utilization of Vein Grafts in Coronary Artery Bypass Grafting: Reasons and Outcomes in a Bilateral Mammary Artery First Center
Table 3
30-day outcome parameter 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 |
| | All cause mortality, n (%) | 18 (0.9%) | 34 (2.8%) | <0.001 | 11 (1.7%) | 12 (1.9%) | 1.000 | | Bypass revision, n (%) | 52 (2.5%) | 50 (4.1%) | 0.012 | 17 (2.6%) | 26 (4.0%) | 0.214 | | Emergent PCI, n (%) | 17 (0.8%) | 13 (1.1%) | 0.454 | 4 (0.6%) | 6 (0.9%) | 0.753 | | Myocardial infarction, n (%) | 35 (1.6%) | 29 (2.4%) | 0.190 | 12 (1.9%) | 15 (2.3%) | 0.698 | | Major stroke, n (%) | 20 (1.0%) | 33 (2.7%) | <0.001 | 10 (1.5%) | 17 (2.6%) | 0.243 | | Acute renal failure (KDIGO3), n (%) | 17 (0.8%) | 27 (2.2%) | 0.001 | 9 (1.4%) | 12 (1.9%) | 0.661 | | Prolonged catecholamine use >24 h, n (%) | 37 (1.8%) | 74 (6.1%) | <0.001 | 15 (2.3%) | 30 (4.6%) | 0.033 | | Prolonged ventilation >24 h, n (%) | 54 (2.6%) | 69 (5.7%) | <0.001 | 21 (3.3%) | 37 (5.7%) | 0.043 | | Rethoracotomy for bleeding, n (%) | 74 (3.6%) | 54 (4.5%) | 0.224 | 23 (3.6%) | 31 (4.8%) | 0.270 | | ICU stay, day, median (IQR) | 2 (1–3) | 2 (1–4) | <0.001 | 2 (1–3) | 2 (2-3) | 0.045 | | Hospital stay, median (IQR) | 7 (6–8) | 7 (6–10) | <0.001 | 7 (6–8) | 7 (6–9) | 0.162 | | RBC unit, median (IQR) | 0 (0–0) | 0 (0–2) | <0.001 | 0 (0-1) | 0 (0–2) | 0.001 | | Wound healing disorder, n (%) | 80 (3.9%) | 26 (2.2%) | 0.008 | 27 (4.2%) | 14 (2.2%) | 0.056 | | DSWI, n (%) | 35 (1.7%) | 13 (1.2%) | 0.226 | 18 (2.8%) | 7 (1.2%) | 0.041 |
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BIMA, bilateral internal mammary artery; IMA, internal mammary artery; SVG, saphenous vein graft; PCI, percutaneous coronary intervention; ICU, intensive care unit; RBC, red blood cells; DSWI, deep sternal wound infection.
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