Table 1.
Hematological Variables of the Experimental ECMO Circuits
| Non-Pulsatile Group (n=7) | Pulsatile Group (n=7) | p value | |
|---|---|---|---|
| Activated clotting time (s) | |||
| Baseline | / | / | / |
| 24 hr ECMO | 242.3±23.8 | 228.9±21.1 | 0.33 |
| Hematocrit (%) | |||
| Baseline | 35.6±16.5 | 29.9±20.4 | 0.09 |
| 24 hr ECMO | 26.2±9.7 | 22.0±8.6 | 0.08 |
| Lactic Acid (mmol/L) | |||
| Baseline | 0.6±0.1 | 0.5±0.1 | 0.54 |
| 24 hr ECMO | 1.7±0.8 | 1.9±0.7 | 0.19 |
| Hemoglobin (g/L) | |||
| Baseline | 92.0±32.6 | 102.5±26.3 | 0.07 |
| 24 hr ECMO | 73.4±19.3 | 68.8±28.7 | 0.23 |
| Total white blood cell count (˟109/L) | |||
| Baseline | 9.7±3.4 | 10.1±3.5 | 0.45 |
| 24 hr ECMO | 11.3±4.2 | 12.9±5.5 | 0.1 |
| Neutrophil count (˟109/L) | |||
| Baseline | 5.0±2.6 | 4.8±2.4 | 0.69 |
| 24 hr ECMO | 7.9±3.9 | 8.0±3.1 | 0.71 |
| Lymphocyte count (˟109/L) | |||
| Baseline | 3.3±1.8 | 3.9±0.6 | 0.38 |
| 24 hr ECMO | 2.0±1.3 | 2.7±1.9 | 0.26 |
| Monocyte count (˟109/L) | |||
| Baseline | 0.9±0.4 | 0.8±0.5 | 0.82 |
| 24 hr ECMO | 1.1±0.5 | 1.8±0.7 | 0.31 |
| Eosinophil count (˟109/L) | |||
| Baseline | 0.4±0.1 | 0.4±0.2 | 0.87 |
| 24 hr ECMO | 0.2±0.07 | 0.3±0.09 | 0.15 |
| Basophil count (˟109/L) | |||
| Baseline | 0.1±0.04 | 0.2±0.08 | 0.08 |
| 24 hr ECMO | 0.1±0.03 | 0.1±0.02 | 0.73 |
| Platelet count (˟109/L) | |||
| Baseline | 152.2±32.6 | 147.5±40.1 | 0.28 |
| 24 hr ECMO | 101.3±40.7 | 118.9±45.4 | 0.2 |
| Plasma free hemoglobin (mg/L) | |||
| Baseline | / | / | / |
| 24 hr ECMO | 76.4±39.3 | 92.0±55.1 | 0.06 |
Abbreviation: ECMO, extracorporeal membrane oxygenation.