Table-I.
Baseline characteristics of patients undergoing CABG.
| Variables | Normal EF (>50) (N=625) | Mild to Moderate Ef (35-50%) (N=484) | Severly Reduced EF (<35%) (N=105) |
|---|---|---|---|
| Age (Y) (Mean ± SD) | 57.58 ±9.206 | 58.38±9.124 | 58.81±8.663 |
| Male SEX (%) | 472(75.5) | 382(78.9) | 84(80.0) |
| Female SEX (%) | 153(24.5) | 102(21.1) | 21(20.0) |
| Deranged Renal Profile | |||
| Pre-op Raised Creatinine | 231(36.9) | 234(48.3) | 59(56.2) |
| Pre-OP Raised Creatinine in Males (%) | 194(41.1) | 201(52.6) | 52(61.9) |
| Dyslipidemia | |||
| With Statin Use (%) | 306(49.0) | 233(48.1) | 39(37.1) |
| Without Statin Use (%) | 3 (0.5) | 2(0.4) | 1(1.0) |
| Pulmonary Disease | |||
| Chronic Lung Disease (%) | 2(0.3) | 2(0.4) | 0 |
| Cerebrovascular Disease | |||
| Previous CVA (%) | 5(0.8) | 2(0.4) | 3(2.9) |
| Carotid disease | |||
| Non invasive>75 %(%) | 4(0.6) | 3(0.6) | 0 |
| Hypertension (%) | 398(63.7) | 302(62.4) | 69(65.7) |
| Diabetes (%) | 227(36.3) | 220(45.5) | 53(50.5) |
| Prior cardiac procedure | |||
| First (%) | 595(95.2) | 461(95.2) | 102(97.1) |
| Second (%) | 10(1.6) | 8(1.7) | 1(1.0) |
| Third (%) | 0 | 1(0.2) | 0 |
| Previous pci (%) | 14(2.2) | 17(3.5) | 4(3.8) |
| Prior mi (%) | 74(11.8) | 83(17.1) | 23(21.9) |
| Pre-operative medications | |||
| Beta blockers (%) | 324(51.8) | 267(55.2) | 48(45.7) |
| Ace inhibitors (%) | 73(11.7) | 103(21.3) | 20(19.0) |
| Nitrates (%) | 245(39.2) | 195(40.3) | 35(33.3) |
| Warfarin (%) | 0 | 5(1.0) | 5(4.8) |
| Aspirin (%) | 294(47.0) | 223(46.1) | 42(40.6) |
| Statin (%) | 237(37.9) | 309(63.8) | 54(51.4) |
| Antiplatelet <5 days pre-op (%) | 324(51.8) | 183(37.8) | 36(34.3) |
| Oral hypoglycemic (%) | 73(11.7) | 124(25.6) | 36(34.3) |
| No of diseased coronary vessels | |||
| Single vessel (%) | 0 | 1(0.2) | 0 |
| Double vessel (%) | 41(6.6) | 40(8.3) | 6(5.7) |
| Triple vessel (%) | 581(93.0) | 441(91.1) | 98(93.3) |
| Left main disease >50% (%) | 53(8.5) | 45(9.3) | 13(12.4) |
| Co-existing valvular conditions | |||
| Aortic stenosis (%) | 2(0.3) | 3(0.6) | 0 |
| Mitral stenosis (%) | 1(0.2) | 3(0.6) | 0 |
| Aortic insufficiency (%) | 61 (9.76) | 57(11.77) | 21(20) |
| Mitral insufficiency (%) | 161(25.76) | 262(54.13) | 86(81.90) |
| Tricuspid insufficiency (%) | 49(7.84) | 98(20.24) | 42(40) |
| Pulmonic insufficiency (%) | 9( 1.44) | 1(0.20) | 1(0.95) |
*Normal Creatinine in Females: 0.5-0.9 *Normal Creatinine in Males: 0.7-1.2