Table 2.
Preoperative characteristics of matched patients undergone complex valve surgery
| DN (n = 73) | HTK (n = 73) | P-value | |
|---|---|---|---|
| Male gender [n(%)] | 46 (63.0) | 44 (60.3) | 0.734 |
| Age [P50(P25,P75), year] | 56 (47,64) | 56 (48,62) | 0.677 |
| Weight [P50(P25,P75), kg] | 60 (52,65) | 61 (54,73) | 0.324 |
| BMI | 22 (20,25) | 23 (21,25) | 0.215 |
| Arrhythmia [n(%)] | 21 (28.8) | 19 (26.0) | 0.711 |
| Poor cardiac function(NYHA grade3 to 4) [n(%)] | 26 (35.6) | 24 (32.9) | 0.727 |
| Previous myocardial infarction [n(%)] | 1 (1.4) | 2 (2.7) | 0.560 |
| Previous cardiac surgery [n(%)] | 9 (12.3) | 8 (10.9) | 0.796 |
| Coronary artery disease [n(%)] | 24 (43.8) | 25 (34.2) | 0.841 |
| Infective endocarditis [n(%)] | 11 (15.1) | 4 (5.5) | 0.056 |
| Hypertension [n(%)] | 23 (31.5) | 27 (37.0) | 0.485 |
| Diabetes [n(%)] | 5 (6.8) | 6 (8.2) | 0.754 |
| Previous stroke [n(%)] | 7 (9.6) | 7 (9.6) | 1.000 |
| Pulmonary disease [n(%)] | 11 (15.1) | 11 (15.1) | 1.000 |
| Preoperative CK-MB [P50(P25,P75), U/L] | 11.0 (8.9,11.1) | 13.0 (10,15.1) | 0.070 |
| Preoperative cTnI [P50(P25,P75), ng/mL] | 0.02 (0.01,0.04) | 0.02 (0.01,0.04) | 0.727 |
| Preoperative AST [P50(P25,P75), μu/L] | 23.0 (18.0,29.3) | 22.8 (18.8,31.3) | 0.431 |
| Preoperative creatinine [P50(P25,P75), μmol /L] | 84.2 (73.1,94.5) | 83 (74.8,100.8) | 0.418 |
| EuroSCORE II | 4.08 (2.94,6.89) | 4.30 (2.79,7.51) | 0.902 |
DN, del Nido; HTK, histidine-tryptophan-ketoglutarate; NYHA, the New York Heart Association; CK-MB, creatine kinase myocardial isoenzyme; cTnI, cardiac troponin I; AST, serum aspartate transaminase