TABLE

Physiologic parameters in animals undergoing BOLD experiments

GrouppHPco2 (mm Hg)Pao2 (mm Hg)MABP (mm Hg)*
Systemic saline, control animals (n = 4)
 Preinjection7.42 ± 0.0336 ± 1.6152 ± 29100 ± 8
 Postinjection7.41 ± 0.0437 ± 4.9126 ± 3896 ± 12
Systemic theophylline, test animals (n = 5)
 Preinjection7.40 ± 0.0436 ± 1.9157 ± 27106 ± 7
 Postinjection7.38 ± 0.0237 ± 2.1166 ± 11106 ± 10
  • Note.—Postinjection values were recorded approximately 90 minutes after systemic injection. Pre- and post-injection values of the parameters did not differ significantly in either the test group or control group (P = 0.5, t test). The groups did not differ significantly (P = .05, t test).

  • * MABP indicates mean arterial blood pressure.