Acta anaesthesiologica Belgica
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Acta Anaesthesiol Belg · Jan 1976
Comparative StudyCardiovascular effects of various anesthetics in man. Four short-acting intravenous anesthetics: althesin, etomidate, methohexital and propanidid.
Four groups of 15 patients without any cardiovascular or pulmonary pathology received an intravenous injection of one of the 4 studied anesthetics, Althesin (0.07 ml/kg), Methohexital (1.6 mg/kg), Etomidate 0.15 mg/kg) or Propanidid (6 mg/kg). Arterial pressure, heart rate, stroke volume and cardiac output were measured every thirty or sixty seconds. ⋯ Arterial pressures did not vary. Under the conditions of the present study and at the dose levels mentioned, Etomidate produced the least changes in cardiac parameters.
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Etomidate 0.2 mg/kg was used as an intravenous hypnotic to induce anesthesia in 198 children. If proved to be a safe and effective agent, with no appreciable side-effects on the cardiovascular or respiratory systems. The main problems in use were a high incidence (27%) of pain after injection, and a 10% incidence of significant myoclonia. In addition, 0.2 mg/kg was assessed as an inadequate induction dose of etomidate in unpremedicated children.
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Acta Anaesthesiol Belg · Jan 1976
Comparative StudyA comparative study of etomidate and methohexital as induction agents for analgesic anesthesia.
Two hundred current surgical procedures were done in adult patients using neuroleptanalgesia with either methohexital (1 mg/kg) or etomidate induction (0.3 mg/kg) in half of the cases. The cardiovascular function was less altered with etomidate (less occurrence of tachycardia, blood pressure drops or systolo-diastolic pinching). The etomidate dosage chosen more often gave an immediate satisfactory sleep. ⋯ Without these precautions, myoclonia can occur in two-thirds of the patients. However, these myoclonia are bothersome and of prolonged duration in rare instances and would be of real annoyance only when this drug would be used alone for surgical procedures of short duration where perfect patient immobility is required. We therefore conclude and confirm that etomidate is a good induction agent for neuroleptanalgesia anesthesia procedures.
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Acta Anaesthesiol Belg · Jan 1976
Comparative StudyCardiovascular effects of different anesthetics in man. Study of two volatile anesthetics: enflurane (ethrane), halothane (fluothane).
In the first part of this paper we report the effects of 4 short acting intravenous anesthetics (althesin, etomidate, epontol, brietal) on the cardiovascular effects due to ethrane. In the second part we learn with the same induction anesthetic (etomidate) the cardiovascular effects of ethrane and fluothane. We have proved that: 1 degree althesin least potentiates the variations in the cardiovascular parameters under the action of ethrane, 2 degrees halothane 2% decreases more the blood pressure than ethrane 1%.