Table 1.
Baseline characteristics of the study population.
| Preoperative Characteristics of Patients (n = 610) | Values All Patients |
Values Patients with ECMO (n = 15) |
Values Patients without ECMO (n = 595) |
p-Value |
|---|---|---|---|---|
| Age, years * | 63 ± 12 | 63 ± 11 | 65 ± 12 | Ns |
| Male: men, n (%) | 351 (57%) | 8 (53%) | 343 (57%) | Ns |
| Body mass index, kg/m2 * | 28 ± 8 | 26 ± 6 | 27 ± 8 | Ns |
| EuroSCORE II, % * | 3.5 ± 3.1 | 3.9 ± 3.5 | 3.5 ± 3.0 | 0.04 |
| NYHA, (classes) * | 2.5 ± 0.5 | 3 ± 0.5 | 2.5 ± 0.6 | 0.03 |
| LV ejection fraction, % * | 57 ± 12 | 55 ± 12 | 60 ± 12 | 0.04 |
| TAPSE, mm * | 22 ± 8 | 21 ± 7 | 22 ± 7 | Ns |
| RVSP, mmHg * | 44 ± 17 | 48 ± 17 | 40 ± 16 | 0.04 |
| Atrial fibrillation, n (%) | 266 (43%) | 6 (40%) | 260 (43%) | Ns |
| Diabetes mellitus, n (%) | 113 (18%) | 3 (20%) | 110 (18%) | Ns |
| NT-proBNP, pg/mL * | 2003 ± 1532 | 7053 ± 3532 | 1875 ± 1430 | 0.002 |
| Hs-TnT, ng/L * | 34 ± 28 | 91 ± 58 | 28 ± 15 | 0.009 |
| Creatinine, mg/dL * | 0.9 ± 0.5 | 1.4 ± 0.7 | 0.8 ± 5 | 0.02 |
| Hemoglobin, g/dL * | 13.6 ± 1.5 | 13.3 ± 1.3 | 13.8 ± 1.4 | 0.04 |
| Red cell distribution width, % * | 14.2 ± 1.7 | 15.1 ± 1.7 | 13.8 ± 1.6 | 0.009 |
| Intraoperavite and postoperative characteristics of patients: | ||||
| AVR, n (%) | 313 (51%) | 7 (46%) | 306 (51%) | Ns |
| AVP, n (%) | 17 (3%) | Ns | 17 (3%) | Ns |
| MVR, n (%) | 112 (18%) | 3 (20%) | 109 (18%) | Ns |
| MVR + AVR, n (%) | 53 (9%) | 2 (13%) | 51 (8%) | 0.04 |
| MVP, n (%) | 115 (19%) | 3 (20%) | 112 (18%) | Ns |
| Additional procedureCABG, n (%) | 90 (14%) | 2 (13%) | 88 (15%) | Ns |
| Aortic cross-clamp time, min * | 101 ± 32 | 122 ± 39 | 98 ± 30 | 0.01 |
| Cardiopulmonary bypass time, min * | 125 ± 55 | 143 ± 61 | 118 ± 43 | 0.03 |
| Postoperative major blending, n (%) | 47 (8%) | 4 (26%) | 43 (7%) | 0.009 |
Values are represented by the mean * and a measure of the variation of the internal standard deviation. Abbreviations: AVP: aortic valve plasty, AVR: aortic valve replacement, CABG: coronary artery bypass graft, MVP: mitral valve plasty, MVR: mitral valve replacement, Hs-TnT: high-sensitivity Troponin T, NT-proBNP: n-terminal of the prohormone brain natriuretic peptide, LV: left ventricle, NYHA: New York Heart Association, RVSP: right ventricular systolic pressure, TAPSE: tricuspid annular plane systolic excursion.