Table 1.
Group | Anesthetic | Detection probe | Measured parameters | Intravenous drug challenge |
---|---|---|---|---|
a1 (n=4) | Isoflurane | Optical A, B | CBF | Saline (0.9% NaCl, 0.1cc/100mg) |
a2 (n=4) | CBV, StO2 | |||
b1 (n=5) | Optical A, B | CBF | Cocaine hydrochloride (1mg/kg) | |
b2 (n=6) | CBV, StO2 | |||
b3 (n=3) | PET C | PK of [11C]-cocaine | [11C]-cocaine† | |
c1 (n=4) | α–chloralose | Optical A, B | CBF | Saline (0.9% NaCl, 0.1cc/100mg) |
c2 (n=4) | CBV, StO2 | |||
d1 (n=5) | Optical A, B | CBF | Cocaine hydrochloride (1mg/kg) | |
d2 (n=5) | CBV, StO2 | |||
d3 (n=3) | PET C | PK of [11C]-cocaine | [11C]-cocaine‡ |
903 ± 347 μCi with a mass dose of 0.00039 ± 0.0002 mg/kg cocaine
713 ± 99 μCi with a mass dose of 0.0004 ± 0.00004 mg/kg cocaine