A physiological model of induction of anaesthesia with propofol in sheep. 1. Structure and estimation of variables

RN Upton, GL Ludbrook - British journal of anaesthesia, 1997 - Elsevier
We describe a six-compartment physiological model of the kinetics and dynamics of
induction of anaesthesia with propofol in sheep. It includes a faithful description of initial …

A model of the kinetics and dynamics of induction of anaesthesia in sheep: variable estimation for thiopental and comparison with propofol.

RN Upton, GL Ludbrook - British journal of anaesthesia, 1999 - academic.oup.com
We describe a six-compartment kinetic and dynamic physiological model of induction of
anaesthesia with thiopental. The model included an accurate account of initial drug …

A physiological model of induction of anaesthesia with propofol in sheep. 2. Model analysis and implications for dose requirements.

GL Ludbrook, RN Upton - British journal of anaesthesia, 1997 - academic.oup.com
The determinants of induction of anaesthesia with propofol, and their implications for dose
requirements, were analysed using a physiological model of the process, validated …

The effect of rate of administration on brain concentrations of propofol in sheep

GL Ludbrook, RN Upton, C Grant… - Anesthesia & …, 1998 - journals.lww.com
A marked reduction in the dose of propofol required to achieve the onset of anesthesia with
slower administration rates has previously been reported, but the mechanism of this …

Prolonged dysequilibrium between blood and brain concentrations of propofol during infusions in sheep

GL Ludbrook, RN Upton, C Grant… - Acta anaesthesiologica …, 1999 - Wiley Online Library
Background: Previous work had shown dysequilibrium between the arterial blood and brain
concentrations of the intravenous anaesthetic agent propofol following its rapid …

A physiologically based, recirculatory model of the kinetics and dynamics of propofol in man

RN Upton, G Ludbrook - The Journal of the American Society of …, 2005 - pubs.asahq.org
Background The disposition of propofol in man is commonly described using a three-
compartment mamillary model. However, these models do not incorporate blood flows as …

Brain and blood concentrations of propofol after rapid intravenous injection in sheep, and their relationships to cerebral effects

GL Ludbrook, RN Upton, C Grant… - … and intensive care, 1996 - journals.sagepub.com
The time-course of propofol concentrations in the blood and brain following rapid
administration of three doses were examined using a sheep preparation and regional …

Tissue/blood and tissue/water partition coefficients for propofol in sheep†,‡

BMQ Weaver, GE Staddon… - British journal of …, 2001 - academic.oup.com
The primary objective of this study was to determine in vivo tissue/blood partition coefficients
of propofol for use in physiological modelling of its pharmacokinetics. The sheep was used …

A prospective evaluation of pharmacokinetic model controlled infusion of propofol in paediatric patients

TG Short, CST Aun, P Tan, J Wong, YH Tam… - British Journal of …, 1994 - Elsevier
We have tested a published algorithm for pharmaco-kinetic model controlled infusion of
propofol to supplement 67% nitrous oxide for general anaesthesia in Chinese children aged …

Pharmacokinetics of propofol in female patients: studies using single bolus injections

ID Cockshott, LP Briggs, EJ Douglas, M White - British Journal of …, 1987 - Elsevier
The pharmacokinetics of propofol in a dose of 2.5 mg kg− 1 given via a vein in the
antecubital fossa were studied in 18 patients. Anaesthesia was maintained with nitrous …