TABLE 1.
Baseline Demographic and Physiologic Data of Patients Subsequently Commenced on Venovenous Extracorporeal Membrane Oxygenation Support
| Baseline at Referral | Mean (sd) or n (%) |
|---|---|
| n | 107 |
| Age | 45.3 (13.7) |
| Sex (female) | 42 (39%) |
| Body mass index (kg/m2) | 29.4 (8.8) |
| Plateau pressure (cm H2O) | 33.6 (5.2) |
| Positive end-expiratory pressure (cm H2O) | 13.4 (3.7) |
| Tidal volume (mL) | 423 (115) |
| Compliance (mL/cm H2O) | 22.5 (9.7) |
| Fio2 | 0.94 (0.11) |
| Pao2 (mm Hg) | 65 (20) |
| Pao2/Fio2 ratio (mm Hg) | 70 (29) |
| Paco2 (mm Hg) | 73 (28) |
| Noradrenaline (µg/kg/min) | 0.41 (0.34) |
| pH | 7.17 (0.14) |
| Base excess (mEq/L) | –2.3 (8.5) |
| Lactate (mmol/L) | 3.2 (3.5) |
| Baseline at admission | |
| Lactate (mmol/L) | 4.4 (4.6) |
| C-reactive protein (mg/dL) | 229 (131) |
| Troponin (ng/L) (n = 47) | 333.7 (630.5) |
| Comorbidities | |
| Asthma/chronic obstructive pulmonary disease (n = 74) | 21 (29%) |
| Current smoker (n = 66) | 40 (61%) |
| Hypertension (n = 74) | 17 (23%) |
| Diabetes (n = 74) | 19 (26%) |
| Obesity (n = 74) | 39 (53%) |
| Ischemic heart disease (n = 74) | 3 (4%) |
| Etiology of acute respiratory failure (n = 106) | |
| Pulmonary ARDS | 93 (88%) |
| Pneumonia | 80 (75%) |
| Aspiration of gastric content | 5 (5%) |
| Other | 7 (7%) |
| Extrapulmonary ARDS | 13 (12%) |
| Nonpulmonary sepsis | 6 (6%) |
| Major trauma | 2 (2%) |
| Pancreatitis | 1 (1%) |
| Other | 5 (5%) |
ARDS = acute respiratory distress syndrome.
Variables are given as mean with sd or absolute numbers with percentage.