Table 1.
Clinical Characteristics of Patients Before Initiation of Venovenous Extracorporeal Membrane Oxygenation
| Variable | Overall (n = 74) | Anticoagulation Free (n = 36) | Anticoagulation (n = 38) | P Value |
|---|---|---|---|---|
| Support days | 7.2 ± 11.4 | 4.6 ± 5 | 12.7 ± 16.9 | <.001 |
| Age, y | 47 ± 23.3 | 47 ± 21.9 | 48.1 ± 27.3 | .41 |
| Female | 35 (47.2) | 13 (36.1) | 22 (57.8) | .04 |
| Body mass index, kg/m2 | 27.6 ± 11.1 | 27.5 ± 11.2 | 27.7 ± 11.2 | .57 |
| COPD | 9 (12.1) | 5 (13.8) | 4 (10.5) | .72 |
| Chronic kidney disease | 14 (18.9) | 6 (16.7) | 8 (21) | .58 |
| Dialysis | 5 (6.7) | 2 (5.6) | 3 (7.8) | .67 |
| RESP score | 1 ± 4 | 1.6 ± 4 | 0 ± 3 | .12 |
| Cannulation site | ||||
| Internal jugular-femoral | 47 (63.6) | 27 (75) | 20 (52.6) | .06 |
| Protek | 27 (36.4) | 9 (25) | 18 (47.4) | |
| Ventilation, h | 67.7 ± 87.5 | 33.2 ± 8.5 | 90.2 ± 131.5 | .11 |
| Laboratory | ||||
| Hemoglobin, g/dL | 10.5 ± 3.5 | 10.7 ± 3.6 | 10.4 ± 2.8 | .79 |
| WBC, 1000/mm3 | 13 ± 7.9 | 12.1 ± 8.2 | 13.3 ± 6.9 | .19 |
| Platelets, 1000/mm3 | 195 ± 163.7 | 197.5 ± 150.7 | 192.0 ± 164.5 | .71 |
| Albumin, g/dL | 3 ± 1.1 | 3.0 ± 1.2 | 3.0 ± 0.8 | .43 |
| INR | 1.5 ± 0.3 | 1.3 ± 0.3 | 1.3 ± 0.2 | .06 |
| PT | 14.1 ± 3.3 | 12.9 ± 3.4 | 1.3 ± 2.2 | .15 |
| PTT | 30 ± 7.7 | 27.8 ± 7.6 | 30.8 ± 5.9 | .96 |
Values are median ± interquartile range or n (%).
COPD, chronic obstructive pulmonary disease; INR, international normalized ratio; PT, prothrombin time; PTT, partial thromboplastin time; RESP, Respiratory ECMO Survival Prediction; WBC, white blood cell.