Table-III.
Comparison of Operative Variables.
| Variables | Normal Ef (>50) (N=625) | Mild to moderate Ef (35-50%) (n=484) | Severly Reduced Ef (<35%) (N=105) | p-Value |
|---|---|---|---|---|
| Operative | ||||
| Perfusion Time (Mean ± SD) | 94.78 ±25.036 | 97.83±25.781 | 95.84±20.786 | - |
| Cross clamp time (Mean ± SD) | 52.93 ±15.241 | 54.08±16.831 | 51.26±15.887 | - |
| IABP (%) | 20(3.2) | 73(15.1) | 41(39.0) | 0.00001 |
| Coronary Bypass | ||||
| Lima (%) | 559(89.4) | 402(83.1) | 65(61.9) | - |
| Avg no. of vein grafts (Mean ± SD) | 2.49±0.661 | 2.55±0.699 | 2.70±0.678 | - |
| Blood products | ||||
| Avg. Number of blood transfusion/patient (mean ± SD) | 2.49 ±0.661 | 0.53±0.500 | 0.64±0.483 | - |
| Total Number of Patient Requiring Intra/Post OP Blood Products (%) | 556(89.0) | 438(90.5) | 101(96.2) | - |
| Complications | ||||
| Re-op (%) | 35(5.6) | 22(4.5) | 2(1.9) | 0.243 |
| Post-op stroke (%) | 4(0.6) | 4(0.8) | 1(1.0) | 0.905 |
| Prolonged ventilation >24 hours (%) | 10(1.6) | 8(1.7) | 3(2.9) | 0.649 |
| AF | 7(1.1) | 7(1.4) | 0 | - |
| Prolonged ICU Stay > 48 Hours (%) | 34(0.59) | 32(0.64) | 10(0.9) | 0.256 |
| In Hospital Mortality (%) | 19(3.0) | 24(5.0) | 9(8.6) | 0.022 |