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. Author manuscript; available in PMC: 2013 Jun 16.
Published in final edited form as: Crit Care Med. 2011 Mar;39(3):527–532. doi: 10.1097/CCM.0b013e318206b99b

Table 4. Physiologic variables at failure of mechanical ventilation or peak lung injury while being supported with SAVe II or Siemens 900C. (n=6).

Variable Servo SAVe II
PaO2, torr 158.3 ± 167.7 141.8 ± 169.3
PaCO2, torr 58.5 ± 17.0 52.5 ± 10.4
VE, L/min 5.2 ± 1.4 5.0 ± 1.3
Compliance, ml/cm H2O 10.4 ± 4.1 8.6 ± 3.8
PaO2/FIO2 ratio 244.2 ± 140.8 224.8 ± 145.8
Mean BP, mm Hg 94.5 ± 22.5 90.8 ± 22.0
Mean pulmonary artery
pressure, mm Hg 		32.2 ± 5.4 32.7 ± 4.0
Cardiac Output, L/min 2.04 ± 0.72 2.03 ± 0.75
PAOP, mm Hg 10.58 ± 3.77 11.50 ± 4.85
PEEP, cm H2O 7.7 ± 2.6 5.7 ± 1.2
FIO2 0.61 ± 0.30 0.58 ± 0.30
Peak airway pressure,
cm H2O 		31.7 ± 7.3 36.2 ± 10.8

Values are mean ± SD. Comparisons are made between Siemens Servo and SAVe II ventilator. p>0.05 for all comparisons.