Results 211 to 220 of about 26,969 (273)
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Closed Circuit Anesthesia in Infants and Children
Anesthesia & Analgesia, 1984A closed-system low-flow technique with enflurane, halothane, or isoflurane as the sole anesthetic was used in three groups of ten children each. Anesthesia was induced by injection into the expiratory limb of a priming standard dose of the liquid anesthetic, followed by additional doses at 15, 30, 60, and 90 sec, and 2, 3, and 4 min.
J M, Couto da Silva +3 more
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Adaptive control of multiplexed closed-circuit anesthesia
IEEE Transactions on Biomedical Engineering, 1992This paper describes the design of an adaptive closed-circuit anesthesia controller based on a multiplexed mass spectrometer system. The controller deals with measurement deterioration caused by measurement delay and rise time through a long catheter as well as long sampling times due to the multiplexed measurements.
Gyu-In Jee, Rob J. Roy
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Methane Accumulation During Closed-Circuit Anesthesia
Anesthesia & Analgesia, 1994When using the closed-circuit PhysioFlex apparatus for ventilating patients with an O2/air mixture during total intravenous anesthesia (TIVA) for gynecologic laparoscopy, we noticed that the built-in infrared analyzer indicated unexpected values for halothane.
G, Rolly, L F, Versichelen, E, Mortier
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A pharmacokinetic model of closed-circuit inhalation anesthesia
Annals of Biomedical Engineering, 1978A mathematical model consisting of six well-mixed tissue compartments was used for prediction of an anesthetic dose rate designed to maintain a constant arterial halothane concentration during closed-circuit anesthesia with halothane and nitrous oxide. Metabolism of anesthetics was not considered they were regarded as inert.
I S, Goldberg +3 more
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Agressologie: revue internationale de physio-biologie et de pharmacologie appliquees aux effets de l'agression, 1993
Closed circuit anesthesia answers the objections to open and semi-closed systems that are related to high delivery flow rates: pollution, cost, efficiency and the hydration of inhaled gases. But closed circuit anesthesia requires a good understanding of the amount of anesthetic agenda needed, and a convenient method of administering it. It is necessary
M, Lajoix +5 more
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Closed circuit anesthesia answers the objections to open and semi-closed systems that are related to high delivery flow rates: pollution, cost, efficiency and the hydration of inhaled gases. But closed circuit anesthesia requires a good understanding of the amount of anesthetic agenda needed, and a convenient method of administering it. It is necessary
M, Lajoix +5 more
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[Closed-circuit anesthesia in children].
Agressologie: revue internationale de physio-biologie et de pharmacologie appliquees aux effets de l'agression, 1990The aim of this study is to demonstrate how easy and suitable is the closed system in infants and children. An original circuit, adapted from the Bain-Spoerel system, is used. Its principle is to draw-up the expired gas through a soda lime canister by a pump, whose flow is 14 l.min-1. ("Circuit Bisontin").
F, Arbez-Gindre +4 more
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Closed‐Circuit Liquid Injection Isoflurane Anesthesia in the Horse
Veterinary Surgery, 1993Six horses were administered isoflurane anesthesia by liquid injection into a closed breathing circuit according to the square root of time model. The unit dose (UD) was calculated using Lowe's formula to provide an end‐tidal concentration of 1.3%, or the minimum alveolar concentration of isoflurane. The mean UD was 4.2 ±; 0.2 mL.
K N, Olson +3 more
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Middle East journal of anaesthesiology, 1987
Closed-circuit anesthesia is safe and physiologic. It allows normoventilation and avoids hypo or hyperventilation. Respiratory gases remain warm and humid. No anesthetic pollution of the room occurs. It allows early detection of metabolic abnormalities (malignant hyperthermia, pulmonary or tissue underperfusion). Closed-circuit anesthesia is economical.
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Closed-circuit anesthesia is safe and physiologic. It allows normoventilation and avoids hypo or hyperventilation. Respiratory gases remain warm and humid. No anesthetic pollution of the room occurs. It allows early detection of metabolic abnormalities (malignant hyperthermia, pulmonary or tissue underperfusion). Closed-circuit anesthesia is economical.
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An Adaptive Bilinear Controller for Closed Circuit Anesthesia
IFAC Proceedings Volumes, 1988Abstract Administration of gaseous anesthesia using a closed circuit is cheaper and ecologically safer than the traditional seni-closed circuit. However, gas concentrations are more difficult to control. This paper proposes an adaptive bilinear controller for the automatic control of a closed circuit anesthesia system.
R. Vishnoi +3 more
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Introduction to the Quantitative Technique of Closed Circuit Anesthesia in Dogs
Veterinary Surgery, 1988In humans, anesthetic uptake in a closed system with constant arterial concentration has been shown to be inversely proportional to the square root of time. A practical method for quantitative dosage of volatile anesthetic was derived from this.
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