TABLE II.
Brain physiologic variables
Preischemia | Ischemia |
||
---|---|---|---|
Blood glucose 3 - 7 rnM | Blood glucose 17–80 rn M | ||
pHo | 7.25 ± 0.02 (n=21)* | 6.81 ± 0.02 (n=5) | 6.18 ± 0.02 (n=12) |
[H+]o (nM) | 56 ± 2 (n = 21)* | 155 ± 8 (n = 5) | 664 ± 20 (n = 12) |
ΔpHo | 0.44 ± 0.02 (n = 5) | 1.07 ± 0.02 (n = 12) | |
Δ [H+]o (nM) | 99 ± 6 (n=5) | 608 ± 16 (n= 12) | |
lactate (mmol/kg) | 1.04 ± 0.03 (n = 5) | 7.80 – 12.80 (n = 5) | 16.30 – 31.30 (n = 12) |
ATP (mmol/kg) | 3.41 ± 0.13 (n=5) | 0.09 ± 0.01 (n=5) | 0.14 ± 0.01 (n=14) |
ADP (mmol/kg) | 0.39 ± 0.04 (n = 5) | 0.37 ± 0.00 (n = 5) | 0.41 ± 0.01 (n = 8) |
PCr (mmol/kg) | 4.92 ± 0.06 (n=5) | 0.09 ± 0.01 (n=5) | 0.11 ± 0.01 (n=14) |
Cr (mmol/kg) | 5.06 ± 0.15 (n = 5) | 10.34 ± 0.36 (n = 5) | 10.45 ± 0.17 (n = 8) |
Represents preischemic brain [H+]o
Values are mean ± S.E.M.