The Effect of a Modified Constant Flow Insufflation of Oxygen during Cardiopulmonary Resuscitation in a Rat Model of Respiratory Cardiac Arrest on Arterial Oxygenation, Alveolar Barotrauma, and Brain Tissue Injury
Table 2
Baseline characteristics of the experimental rats, all of which were male and approximately 15 weeks old.
Sham (n = 10)
Group IPPV (n = 10)
Group CFIO (n = 10)
value
Age
15 weeks old
Sex
Male
Weight, g
419.00 (415.75–421.00)
417.50 (413.25–421.25)
418.00 (414.50–421.25)
0.86
Arrest induction time, s
NA
499.50 (491.25–510.00)
500.00 (495.75–508.00)
0.66
pH
7.32 (7.29–7.34)
7.33 (7.31–7.35)
7.32 (7.29–7.34)
0.79
PCO2
32.00 (30.25–33.78)
31.55 (30.25–34.43)
30.15 (29.63–32.13)
0.19
PO2
121.15 (119.18–125.45)
121.70 (116.85–127.68)
120.65 (118.95–125.65)
0.98
HCO3-
30.10 (29.33–30.90)
29.65 (28.98–30.23)
29.10 (28.60–29.65)
0.31
Base excess
−1.55 (−1.8–−1.2)
−1.3 (−1.93–1.08)
−.3 (−1.43–−1.18)
0.67
Lactate
2.00 (1.78–2.10)
2.10 (2.00–2.30)
2.05 (1.98–2.13)
0.31
Kruskal-Wallis analysis, median (IQR), was considered statistically significant. IPPV, intermittent positive pressure ventilation; CFIO, continuous flow insufflation of oxygen; NA, not applicable.
