Clinical Study
Does Off-Pump Coronary Artery Bypass Grafting Negatively Impact Long-Term Survival and Freedom from Reintervention?
Table 3
Preoperative characteristics of propensity-matched patients.
| | Variable | Off-pump
() | On-pump
() | value |
| | Age (years ± SD) | | | 0.93 | | Male | 219 (71.3) | 211 (68.7) | 0.87 | | BMI | | | 0.91 | | Diabetes | 108 (35.2) | 99 (32.2) | 0.76 | | Hypertension | 163 (53.1) | 172 (56.0) | 0.87 | | Never smoked | 99 (32.2) | 114 (37.1) | 0.78 | | Hypercholesterolemia | 139 (45.3) | 143 (46.6) | 0.83 | | COPD | 25 (8.1) | 27 (8.8) | 0.91 | | CCS ≥ 3 | 79 (25.7) | 82 (26.7) | 0.87 | | NYHA ≥ 2 | 166 (54.1) | 179 (58.3) | 0.74 | | PVD | 27 (8.8) | 20 (6.5) | 0.42 | | MI in 30 days prior to CABG | 79 (25.7) | 81 (26.4) | 0.89 | | Preoperative serum creatinine ≥ 200 mol·L−1 | 13 (4.2) | 7 (2.3) | 0.34 | | <30% ejection fraction | 16 (5.2) | 19 (6.2) | 0.83 | | 30–49% ejection fraction | 69 (22.5) | 76 (24.8) | 0.87 | | ≥50% ejection fraction | 222 (72.3) | 212 (69.0) | 0.81 | | Preoperative IV nitrates | 20 (6.5) | 23 (7.5) | 0.87 | | Preoperative IV inotropes | 1 (0.3) | 1 (0.3) | 1.0 | | Preoperative IABP | 19 (6.2) | 20 (6.5) | 0.91 | | Previous PCI | 13 (4.2) | 13 (4.2) | 1.0 | | CVA/TIA | 5/4 (2.9) | 3/6 (2.9) | 1.0 | | LMS stenosis > 50% | 119 (38.8) | 159 (40.4) | 0.54 | | Two vessels | 112 (36.5) | 101 (32.9) | 0.29 | | Three vessels | 195 (63.5) | 209 (68.1) | 0.45 | | Urgent | 101 (32.9) | 113 (37.1) | 0.53 | | Logistic EuroSCORE (mean ± SD) | | | 0.71 |
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Values in parentheses are percentages.
BMI: body mass index; CABG: coronary artery bypass grafting; CCS: Canadian Cardiovascular Society; COPD: chronic obstructive pulmonary disease; CVA: cerebrovascular accident; IABP: intra-aortic balloon pump; LMS: left main stem; MI: myocardial infarction; NHYA: New York Heart Association; PCI: percutaneous coronary intervention; PVD: peripheral vascular disease; SD: standard deviation; TIA: transient ischemic attack.
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