Different Tidal Volumes May Jeopardize Pulmonary Redox and Inflammatory Status in Healthy Rats Undergoing Mechanical Ventilation

Table 1

Blood gas analyses and lung function in Wistar rats.

Group	CG	MVG4	MVG8	MVG12
pH		^a	^b	^a,b,c
PO2 (mmHg)		^a	^b	^b
PCO2 (mmHg)		^a	^b	^a,b,c
HCO3^- (mEq/L)		^a	^b	^a,b,c
SO2 (%)			^b	^b
PO2/FiO2 (mmHg)		^a	^b	^b
RR (breaths/min)
VT (mL)		^a	^b	^a,b,c
V’min (mL/min)		^a	^b	^a,b,c

CG: control group; MVG4: mechanical ventilation group 4 mL/kg; MVG8: mechanical ventilation group 8 mL/kg; MVG12: mechanical ventilation group 12 mL/kg; PO₂: partial pressure of oxygen; PCO₂: partial pressure of carbon dioxide; HCO₃^-: bicarbonate; SO₂: oxygen saturation; FiO₂: inspired fraction of oxygen; RR: respiratory rate; VT: tidal volume; V’min: minute ventilation. ^aRepresents a significant difference in relation to CG. ^bRepresents a significant difference in relation to MVG4. ^cRepresents a significant difference in relation to MVG8. Data are expressed as . Analysis of Variance One-Way ANOVA followed by Tukey’s posttest (). animals per group.