Table 1 Patient characteristics upon initiation of extracorporeal membrane oxygenation
Characteristics | No. of patients (%) or median (IQR) |
|---|---|
Age, years | 57 (47–65) |
Male | 115 (67.6) |
Body mass index, kg/m2 | 24.7 (22.3–27.6) |
Comorbidities | |
Cardiovascular disease | 33 (19.4) |
Chronic renal failure | 22 (12.9) |
Asthma/COPD | 7 (4.1) |
Liver cirrhosis | 8 (4.7) |
Malignancy | 36 (21.2) |
Severity of illness on ICU admission | |
APACHE II | 23 (15–30) |
Reasons for ECMO support | |
Cardiogenic shock | 57 (33.5) |
Cardiopulmonary arrest | 57 (33.5) |
Respiratory failure | 37 (21.8) |
Septic shock | 11 (6.5) |
Weaning failure of CPB | 4 (2.4) |
Hypovolemic shock | 3 (1.8) |
Other | 1 (0.6) |
Cannulation for ECMO | |
Venoarterial | 127 (74.7) |
Venovenous | 40 (23.5) |
Mixed | 3 (1.8) |
Cannula size | |
Drainage cannula, Fr | 22 (21–24) |
Return cannula, Fr | 16 (15–17) |
ECMO flow, L/min | 3.7 (3.1–4.2) |
Anticoagulation | |
Unfractionated heparin | 107 (62.9) |
Argatroban | 4 (2.4) |
None | 61 (35.7) |
Laboratory findings on ECMO initiation | |
Blood urea nitrogen, mg/dL | 34.5 (23.2–55.7) |
Creatinine, mg/dL | 1.83 (1.26–2.79) |
Bicarbonate, mmol/L | 17.6 (13.0–21.8) |
Potassium, mmol/L | 4.2 (3.8–4.9) |
Platelets, 103/uL | 89 (53–142) |
Lactate dehydrogenase (n = 152), IU/L | 1551 (903–2853) |
Plasma hemoglobin (n = 50), mg/dL | 18.5 (13.0–32.0) |