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Table 2 Patients’ laboratory findings and severity scores according to time sequences

From: Extracorporeal membrane oxygenation in near-drowning patients with cardiac or pulmonary failure

Patients 1 2 3 4 5 6 7 8 9 Mean SD
Initial ABGA
pH 7.28 7.24 6.93   6.8 7.3 6.99 7.23 7.23 7.13 0.19
PaCO2 (mmHg) 33 36 51   105 42 103 36 34 55.0 30.8
PaO2 (mmHg) 40 34 101   37 33 10 38 42 41.9 25.9
SaO2 (%) 67 53 92 48   56   60 66 63.1 14.4
ABGA after ventilator support
pH 7.01 7.06 7.01 7.06   7.34   7.24 7.14 7.12 0.13
PaCO2 94 74 61 55   37   38 40 57.0 21.3
PaO2 67 57 50 39   155   69 52 69.9 38.9
PaO2/FiO2 67 57 50 39   155   69 52 69.9 38.9
ABGA prior to ECMO and severity scores
pH 7.28 7.21 7.38 7.04 6.8 7.28 6.88 7.26 7.2 7.15 0.20
PaCO2 39 46 40 80 92 42 67 28 39 52.6 21.8
PaO2 69 65 39 58 71 64 75 59 64 62.7 10.4
PaO2/FiO2 69 65 39 58   64   59 64 59.7 9.9
Lactate (mmol/l) 6.3 8.1 10.2 6.7 15 5.9 9.8 5.5 5.2 8.1 3.2
Murray score 3.3 3.7 3.3 4 4 2.3 4 4 3 3.5 0.6
SOFA score 12 14 10 13 13 9 13 10 9 11.4 1.9
SAPS-II 58 81 76 81 76 67 84 73 61 73.0 9.2
ABGA after ECMO and severity scores
pH 7.41 7.34 7.5 7.19 6.68 7.35 7.27 7.3 7.3 7.26 0.23
PaCO2 29 23 28 41 33 30 26 26 26 29.1 5.3
PaO2 87 92 97 82 548 250 243 138 102 182.1 152.1
PaO2/FiO2 290 153 149 182 1095 250 405 344 254 346.9 293.3
SaO2 97 99 98 94 100 100 100 99 98 98.3 1.9
lactate (24 h) 1.8 5.3   1.8 4.9 2.5 6 1.9 3.1 3.4 1.7
SOFA score (24 h) 8 15 9 11 10 5 5 7 7 8.6 3.2
SAPS-II (24 h) 45 55 47 45 51 38 48 41 48 46.4 5.1
  1. SD, standard deviation; ABGA, arterial blood gas analysis; PaCO2, partial arterial carbon dioxide pressure; PaO2, partial arterial oxygen pressure; SaO2, arterial oxygen saturation; FiO2, the fraction of inspired oxygen; ECMO, extracorporeal membrane oxygenation SOFA, sequential organ failure assessment; SAPS-II, simplified acute physiology score; lactate, normal range 0.7-2.1 mmol/l; 24 h, 24 h post-ECMO.