Table 1.
Patient characteristics and type of surgical procedures in the study group.
| Patient characteristics/type of surgery | Data/number of patients |
|---|---|
| Patients age | 70 (Q1 = 62, Q3 = 74; range: 37–84) |
| Sex (male) | 28 |
| Preexisting renal disease | 24 |
| ESRF/chronic dialysis treatment | 4 |
| Diabetes mellitus | 12 |
| Arterial hypertension | 34 |
| COPD | 4 |
| Hyperthyroidism | 3 |
| Hypothyroidism | 3 |
| Chronic atrial fibrillation | 11 |
| Preoperative hemoglobin <10 [g/dL] | 16 |
| Preoperative creatinine concentration [mg/dL] | 1.49 (Q1 = 1.05, Q3 = 2.11; range: 0.62–6.18) |
| Type of surgery: | |
| Valvular surgery | 23 |
| Revascularization surgery (CABG and OPCABG) | 7 |
| Valvular + revascularization | 6 |
| Cardiac other | 2 |
| Vascular surgery including thoracic aorta surgery | 10 |
| Extracorporeal support (ECMO/VAD) | 1 |
| Heart transplant | 1 |
| Pericardial drainage | 1 |
| PM electrodes removal | 1 |
| Hospital mortality | 29 (57%) |
CABG — coronary artery bypass graft; COPD — chronic obstructive pulmonary disease; ECMO — extracorporeal membrane oxygenation; ESRF — end-stage renal failure; PM — pacemaker; OPCABG — off-pump coronary artery bypass graft; VAD — ventricular assist device