Arterial PO2 values measured throughout the long-term facilitation protocol in experimental groups
| Experimental group PaO2(mmHg) | Baseline | Hypoxic stimulus (FiO2 = 0.11) | 30 min posthypoxic | 60 min posthypoxic |
|---|---|---|---|---|
| Hyperoxic control | 212 | 199 | 210 | 204 |
| (n = 7) | (18) | (8) | (8) | (3) |
| Control | 218 | 37*, *** | 210 | 206 |
| (n = 13) | (11) | (1.7) | (12) | (11) |
| Sham-operated | 182 | 34*, *** | 179 | 147*, ** |
| (n = 6) | (15) | (1.9) | (13) | (19) |
| Bilateral cervical dorsal | 188 | 33*, *** | 181 | 183 |
| rhizotomy (n = 6) | (9.7) | (1.8) | (13) | (13) |
| Bilateral cervical dorsal | 236 | 43*, *** | 225 | 230 |
| rhizitomy + ketanserin | (5.8) | (1.9) | (9.3) | (9.0) |
| (n = 6) |
Hypoxia levels were not significantly different between the four hypoxic groups. Data presented as means, with SEs in parentheses.
*Different from hyperoxic control group (p < 0.05).
**Different from control group (p < 0.05).
***Different from baseline (p < 0.05).