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Table 3 Gas exchange, ventilation and hemodynamic parameters in the course of time for both ELS systems

From: Extracorporeal lung support in trauma patients with severe chest injury and acute lung failure: a 10-year institutional experience

Variable Prior ELS implant After 2 hours 1 day 2 days ELS explant 1 day post
PECLA       
   PaO2/FiO2 97 (56 to 173) 124 (61 to 147) 135 (83 to 213) 167 (136 to 263) 225 (196 to 283) 236 (198 to 289)
   PaO2 (mmHg) 80 (56 to 99) 67 (59 to 92) 76 (68 to 93) 92 (68 to 109) 89 (76 to 99) 93 (68 to 107)
   PaCO2 (mmHg) 68 (50 to 84) 46 (41 to 59) 44 (40 to 48) 43 (38 to 57) 42 (37 to 47) 45 (41 to 54)
   pH 7.25 (7.18 to 7.37) 7.41 (7.33 to 7.45) 7.44 (7.36 to 7.49) 7.45 (7.4 to 7.48) 7.45 (7.39 to 7.46) 7.42 (7.31 to 7.45)
   MV (l/minute) 12 (9 to 14) 8 (6 to 13) 7 (5 to 8) 7 (5 to 9) 9 (8 to 12) 11 (9 to 14)
   MAP (mmHg) 69 (65 to 80) 77 (68 to 81) 80 (75 to 90) 85 (74 to 96) 79 (71 to 99) 78 (68 to 85)
   vv-ECMO       
   PaO2/FiO2 54 (48 to 65) 105 (67 to 124) 141 (104 to 186) 158 (127 to 207) 291 (223 to 370) 270 (218 to 323)
   PaO2 (mmHg) 54 (48 to 65) 105 (67 to 123) 135 (96 to 177) 148 (106 to 203) 254 (118 to 353) 253 (173 to 288)
   PaCO2 (mmHg) 67 (49 to 97) 34 (30 to 39) 34 (31 to 40) 36 (34 to 42) 42 (36 to 44) 43 (40 to 50)
   pH 7.21 (7.12 to 7.38) 7.46 (7.4 to 7.52) 7.47 (7.41 to 7.51) 7.46 (7.43 to 7.48) 7.42 (7.38 to 7.46) 7.42 (7.38 to 7.45)
   MV (l/minute) 11 (8 to 14) 6 (5 to 7) 4 (3 to 5) 5 (3 to 6) 8 (6 to 11) 12 (9 to 14)
   MAP (mmHg) 71 (65 to 81) 79 (68 to 83) 77 (69 to 85) 76 (68 to 82) 76 (71 to 86) 72 (65 to 81)
  1. Data presented as median (25th to 75th interquartile range). ELS, extracorporeal lung support; FiO2, fraction of inspired oxygen; MAP, mean arterial pressure; MV, minute volume; VT, tidal volume; PaCO2, partial pressure of arterial carbon dioxide; PaO2, partial pressure of arterial oxygen; PECLA, pumpless extracorporeal lung assist; vv-ECMO, veno-venous extracorporeal membrane oxygenation.