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 |