Table 2.

Arterial PO2 values measured throughout the long-term facilitation protocol in experimental groups

Experimental group PaO2(mmHg)BaselineHypoxic stimulus (FiO2 = 0.11)30 min posthypoxic60 min posthypoxic
Hyperoxic control212199210204
 (n = 7)(18)(8)(8)(3)
Control21837*, ***210206
 (n = 13)(11)(1.7)(12)(11)
Sham-operated18234*, ***179147*, **
 (n = 6)(15)(1.9)(13)(19)
Bilateral cervical dorsal18833*, ***181183
 rhizotomy (n = 6)(9.7)(1.8)(13)(13)
Bilateral cervical dorsal23643*, ***225230
 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).