Abstract:
:The pharmacokinetics and protein binding of propofol were studied in ten patients with cirrhosis and in ten control patients undergoing elective surgery. All patients received 2.5 mg.kg-1 propofol as an intravenous bolus injection for the induction of anesthesia. Whole blood propofol concentrations were measured at intervals up to 12 h, using a high-performance liquid chromatography (HPLC) technique. Propofol protein binding was estimated by equilibrium dialysis 10 min after injection of propofol. Individual propofol profiles for all patients were best described by a three-compartment open mammillary model. Rapid and slow propofol distribution half-times were observed, followed by an elimination phase with a half-time of 4-5 h. Propofol total body clearance was reduced (1.99 +/- 0.68 l.min-1) in the patients with cirrhosis but did not differ significantly from that in the control patients (2.30 +/- 0.61 l.min-1). The apparent volume of distribution at steady state (Vdss) was similar in the two groups. No significant difference in elimination half-life was observed between the two groups. Propofol was extensively bound (mean: 97-98%) to the plasma protein of both cirrhotic and control groups. This study shows that propofol pharmacokinetics and protein binding of propofol following a single intravenous bolus dose were not markedly affected by uncomplicated cirrhosis of the liver.
journal_name
Anesthesiologyjournal_title
Anesthesiologyauthors
Servin F,Desmonts JM,Haberer JP,Cockshott ID,Plummer GF,Farinotti Rdoi
10.1097/00000542-198812000-00014subject
Has Abstractpub_date
1988-12-01 00:00:00pages
887-91issue
6eissn
0003-3022issn
1528-1175journal_volume
69pub_type
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