Pharmacokinetics and haemodynamic effects of prolonged methohexitone infusion. 1988

Y Le Normand, and C de Villepoix, and M Pinaud, and J M Bernard, and J P Fraboul, and A Athouel, and M Ribeyrol, and N Beneroso, and C Larousse
Department of Pharmacology, Faculty of Medicine, Nantes, France.

1. The use of continuous infusion anaesthesia has only been of interest since the development of short-acting, less cumulative and less toxic drugs. 2. This study aimed to compare pharmacokinetics and haemodynamic effects during and after long time methohexitone constant rate infusion. Sixteen patients were given either 60 or 90 micrograms kg-1 min-1 methohexitone during 14 h. Blood samples were taken hourly during this time and 12 h following the end of infusion. 3. Infusion period was analysed by a single exponential model; post-infusion time showed a three compartment model, the intermediate phase parameters corresponding to those of the infusion period. 4. Methohexitone was haemodynamically well tolerated; prolonged infusion decreases oxygen consumption, mainly by a decrease in oxygen demand. 5. Many patients remained unconscious for unacceptably long periods of time after post-operative sedation by methohexitone.

UI MeSH Term Description Entries
D007261 Infusions, Intra-Arterial Regional infusion of drugs via an arterial catheter. Often a pump is used to impel the drug through the catheter. Used in therapy of cancer, upper gastrointestinal hemorrhage, infection, and peripheral vascular disease. Infusions, Regional Arterial,Infusions, Intra Arterial,Infusions, Intraarterial,Arterial Infusion, Intra,Arterial Infusion, Regional,Arterial Infusions, Intra,Arterial Infusions, Regional,Infusion, Intra Arterial,Infusion, Intra-Arterial,Infusion, Intraarterial,Infusion, Regional Arterial,Intra Arterial Infusion,Intra Arterial Infusions,Intra-Arterial Infusion,Intra-Arterial Infusions,Intraarterial Infusion,Intraarterial Infusions,Regional Arterial Infusion,Regional Arterial Infusions
D008723 Methohexital An intravenous anesthetic with a short duration of action that may be used for induction of anesthesia. Methohexitone,Brevimytal Natrium,Brevital,Brietal,Brietal-Sodium,Methohexital Sodium,Methohexital, Monosodium Salt,Brietal Sodium,Monosodium Salt Methohexital,Natrium, Brevimytal,Sodium, Methohexital
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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