Variable | Study group (IVA n = 54) | Control group (Non IVA n = 108) | p value |
Age (Mean) | 67.1852 | 68.2963 | 0.454 |
Gender (M) | 81.5% | 67.6% | 0.064 |
NYHA IV | 9.3% | 10.2% | 0.330 |
Previous MI | 66.7% | 68.5% | 0.815 |
Preoperative unstable angina (within 31 d) | 1.9% | 0 | 0.157 |
Previous operation | 7.4% | 6.5% | 0.557 |
Diabetes | 24.1% | 33.3 | 0.228 |
Hypertension | 77.8 | 63 | 0.058 |
Preoperative GI morbidity | 18.5 | 14.8% | 0.546 |
Preoperative inotropes | 1.9 | 0 | 0.157 |
Preoperative nitrates/heparin | 20.4 | 29.6 | 0.210 |
Preoperative congestive HF | 37% | 26.9% | 0.185 |
Cardiogenic shock | 0 | 1.9 | 0.316 |
Preoperative ventilation | 1.9 | 0.9 | 0.616 |
Logistic EuroSCORE | 13.1 | 10.68 | 0.188 |
CPB | 94.4% | 88.9% | 0.252 |
X clamp time (mean-min) | 27.5 | 27.9 | 0.860 |
Bypass (mean-min) | 58 | 60.2 | 0.664 |
Reopening for bleeding | 3.7 | 4.6 | 0.785 |
Low COP | 66.7 | 56.5 | 0.214 |
ITU recidivism | 3.7 | 4.6 | 0.785 |
Renal complication | 0 | 2.8% | 0.218 |
Neurologic complication | 0 | 0.9 | 0.480 |
Post op stay (d) | 10.5 | 10.13 | 0.851 |
No. Of diseased vessels | 2.57 | 2.7 | 0.253 |
LMS | 41.7% | 42.6% | 0.911 |
Distal anastomoses | 2.54 | 2.58 | 0.694 |
Perioperative IABP | 5.6 | 13 | 0.148 |
Sternal resuturing | 1.9% | 1.9% | 1.000 |
Perioperative Q wave | 0 | 0.9% | 0.480 |
Postoperative MI | 0 | 3.7% | 0.153 |
Postoperative Arrhythmia (VF) | 22.2% | 10.2% | 0.039 |
Postoperative AF | 25.9% | 31.5% | 0.467 |
Postoperative PPM | 66.7% | 28.4% | 0.001 |
Pulmonary complications | 22.2% | 23.1% | 0.895 |
Postoperative GI complications | 5.6% | 6.5% | 0.818 |
Multi organ failure | 0% | 2.8% | 0.218 |
In-hospital mortality | 3.7% | 10.2% | 0.154 |
Cox proportional-hazards regression | |||
Variable | Hazard Ratio | 95% CI | p value |
Postoperative Arrhythmia (VF) | 1.524 | 1.268 to 1.832 | <0.001 |