Table 4.
Analysis of risk factors for developing postoperative low cardiac output syndrome (LCOS) in the early postoperative period after on pump coronary artery bypass grafting (CABG)
| Factors | LCOS (N = 23) |
Nо LCOS (N = 97) |
p-value |
|---|---|---|---|
| Age, years (Me(Q25;Q75) | 60 (58;63) | 59 (55;62) | 0.122 |
| Male, n (%) | 20 (86.96%) | 66 (68.04%) | 0.070* |
| EuroSCORE II, % (m ± SD) | 3.41 ± 1.13 | 3.03 ± 1.26 | 0.185 |
| AH, n (%) | 15 (65.22%) | 67 (69.07%) | 0.721* |
| MI, n (%) | 7 (30.43%) | 17 (17.53%) | 0.165** |
| Initial Hb, g/dl (m ± SD) | 11.73 ± 1.37 | 12,34 ± 1,76 | 0.064 |
| LV EF, % (m ± SD) | 42.87 ± 8.59 | 47.56 ± 8.71 | 0.022 |
| Routine-opioid protocol of anesthesia, n (%) | 16 (69.56%) | 44 (45,36%) | 0.037** |
| Duration of surgery, min (m ± SD) | 197.95 ± 14.96 | 192.83 ± 14.30 | 0.128 |
| Duration of CPB, min (m ± SD) | 90.39 ± 11.00 | 81.87 ± 11.76 | 0.002 |
| Duration of XCL, min (m ± SD) | 27.43 ± 5.07 | 23.74 ± 5.27 | 0.003 |
| Needs of RBCM ≥ 1 unit, n (%) | 17 (73.91%) | 50 (51.55%) | 0.052** |
| IL-6 at the end of surgery, pg/ml | 53.74 ± 13.88 | 35.72 ± 12.03 | 0.001 |
Notes. *—Pearson’s xi-square test; **—Fisher’s exact test; FC—functional class; LV EF—left ventricular ejection fraction; EDV—end-diastolic volume; MI—myocardial infarction; AH—arterial hypertension, XCL—cross-clamping; RBCM—red blood cell mass; Hb—hemoglobin; CPB—cardiopulmonary bypass