Table 1.
Population pharmacokinetic parameters for dexmedetomidine
Parameter (unit) | Definition | Estimate | Inter-individual variability | |
---|---|---|---|---|
V1 (L) | Central volume | 14.3 | (20.5) | 0.33 (38.6) [2] |
CL (L/h) | Systemic clearance | 44.0 | (7.0) | 0.058(41.3) [4] |
V2 (L) | Peripheral volume | 75.0 | (6.1) | 0.021 (49.5) [8] |
CLD (L/h) | Inter-compartmental clearance | 103 | (5.1) | - |
ka (h−1) | Absorption rate constant | 0.94 | (9.6) | - |
F | Bioavailability | 0.82 | (5.4) | - |
ALAG (h) | Lag time | 0.0428 | (17.1) | - |
Residual variability | ||||
Proportional error | 0.112 | (6.3) |
(%) RSE, [%] shrinkage