Table 1.
Characteristics of All Patients Cannulated for Extracorporeal Membrane Oxygenation
| Variable | All ECMO Patients (N = 27) | Recovereda (n = 11) |
|---|---|---|
| Sex | ||
| Male | 23 (85) | 10 (91) |
| Female | 4 (15) | 1 (9) |
| Age, y | 40 (30.5-47) | 37 (28.5-44) |
| Body mass index, kg/m2 | 32 (29-37) | 33 (30.45-37) |
| Comorbidities | ||
| Active malignancy | 0 (0) | 0 (0) |
| Asthma/chronic obstructive pulmonary disease | 2 (7) | 2 (18) |
| Long-term steroid use | 2 (7) | 0 (0) |
| Coronary artery disease | 1 (4) | 0 (0) |
| Diabetes | 4 (15) | 0 (0) |
| End-stage renal disease on dialysis | 0 (0) | 0 (0) |
| HIV/AIDS | 2 (7) | 1 (9) |
| Hypertension | 5 (19) | 1 (9) |
| Known pulmonary embolism or deep venous thrombosis | 3 (11) | 1 (9) |
| Stroke | 0 (0) | 0 (0) |
| Total patients with any comorbidity | 9 (33) | 3 (27) |
| Creatinine level, mg/dL | ||
| On admission | 0.97 (0.82-1.09) | 0.94 (0.83-1.02) |
| At evaluation | 0.83 (0.73-1.56) | 0.83 (0.78-1.06) |
| Acute kidney injury requiring renal replacement | 1 (4) | 0 (0) |
| Ventilator settings before ECMO | ||
| Peak inspiratory pressure, mm Hg | 31 (28-35) | 30 (28-38) |
| Positive end-expiratory pressure, mm Hg | 14 (12-16) | 15 (12-17) |
| Respiratory rate, breaths/min | 25 (22-28) | 24 (21-26) |
| Fio2, % | 90 (75-100) | 90 (75-100) |
| Arterial blood gas values | ||
| pH | 7.28 (7.22-7.39) | 7.28 (7.26-7.41) |
| Pao2, mm Hg | 74 (63-87.5) | 73 (65-85) |
| Paco2, mm Hg | 63 (44-80) | 46 (43.5-68.5) |
| Pao2/Fio2 ratio, mm Hg | 84 (70-118) | 88 (78-114) |
| Murray score | 3.5 (3.4-3.8) | 3.5 (3.5-3.8) |
| Paralytic use | 26 (96) | 10 (91) |
| Proning | 22 (82) | 7 (64) |
| Inhaled nitric oxide use | 7 (26) | 2 (18) |
| Vasopressor/inotrope requirement | 11 (41) | 3 (27) |
| Days on ventilator before cannulation | 2 (1-4) | 3 (1-4) |
Categoric data are presented as n (%) and continuous data as the median (interquartile range).
ECMO, extracorporeal membrane oxygenation; Fio2, fraction of inspired oxygen; Paco2, partial pressure of arterial carbon dioxide; Pao2, partial pressure of arterial oxygen.
a
Recovered: Alive, discharged, or awaiting discharge; weaned off ECMO support, mechanical ventilation, and supplemental oxygen.