Alfentanil kinetics in the elderly.


Alfentanil disposition after an intravenous bolus of 50 micrograms/kg was followed in 15 elderly surgical patients and was compared to that in nine young adults. A two-compartment open model described alfentanil disappearance from plasma. Apparent volumes of distribution of the central compartment (201 and 211 ml/kg; means), at steady state (460 and 543 ml… (More)


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