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Table 2 Respiratory and hemodynamic parameters before and after recruitment maneuver

From: Respiratory effects of different recruitment maneuvers in acute respiratory distress syndrome

  Extended sigh Continuous positive airway pressure
  Baseline 5 minutes 60 minutes Baseline 5 minutes 60 minutes
Plateau pressure, cm H2O 31 ± 4 28 ± 5 28 ± 5 31 ± 3 30 ± 3 30 ± 3
End-expiratory lung volume, mL 834 ± 133 957 ± 228a 998 ± 184a 927 ± 191 1,097 ± 120a 1,001 ± 133a
Recruited volume, mL 692 ± 189 867 ± 339a 857 ± 335a 695 ± 217 781 ± 328a 730 ± 288
Quasi-static compliance, mL/cm H2O 28 ± 3 36 ± 4a 37 ± 4a 29 ± 3 32 ± 3 33 ± 3
PaCO2, mm Hg 52 ± 12 56 ± 10 55 ± 11 54 ± 9 57 ± 10 55 ± 10
pH 7.28 ± 0.11 7.27 ± 0.08 7.28 ± 0.09 7.28 ± 0.08 7.26 ± 0.09 7.27 ± 0.09
Heart rate, beats per minute 98 ± 22 99 ± 23 99 ± 22 97 ± 22 98 ± 22 98 ± 23
Systolic arterial pressure, mm Hg 123 ± 18 119 ± 10 118 ± 16 125 ± 13 120 ± 16 116 ± 18
Diastolic arterial pressure, mm Hg 62 ± 8 63 ± 9 61 ± 7 64 ± 10 63 ± 8 63 ± 10
Mean arterial pressure, mm Hg 81 ± 12 79 ± 13 80 ± 12 84 ± 10 80 ± 13 81 ± 18
  1. aP < 0.05 versus baseline. PaCO2, arterial partial pressure of carbon dioxide.