Ketamine in hypovolemic dogs

The cardiopulmonary consequences of hemorrhagic hypovolemia and the subsequent administration of ketamine were evaluated in eight dogs; five additional dogs served as controls. Heart rate (HR), systemic vascular resistance, breathing rate, minute ventilation (VE), Pao2, alveolar-arterial oxygen tens...

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Veröffentlicht in:Critical care medicine 1990-06, Vol.18 (6), p.625-629
Hauptverfasser: HASKINS, STEVE C, PATZ, JOHN D
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PATZ, JOHN D
description The cardiopulmonary consequences of hemorrhagic hypovolemia and the subsequent administration of ketamine were evaluated in eight dogs; five additional dogs served as controls. Heart rate (HR), systemic vascular resistance, breathing rate, minute ventilation (VE), Pao2, alveolar-arterial oxygen tension gradient, and oxygen extraction ratio increased, while arterial and pulmonary pressures, CVP, cardiac output, oxygen transport, P o2, Paco2, mixed venous oxygen content, bicarbonate, and base deficit decreased in response to hypovolemia. Ketamine administration was associated with a significant increase in HR, arterial and pulmonary BP, and Paco2, and a significant decrease in VE (transient), Pao2 (transient), and pH. Ketamine supported cardiovascular function well, did not impair tissue oxygenation, and caused only transient respiratory depression in these hypovolemic dogs.
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subjects Acid-Base Equilibrium - drug effects
Anesthetics. Neuromuscular blocking agents
Animals
Biological and medical sciences
Carbon Dioxide - blood
Dogs
Hemodynamics - drug effects
Ketamine - pharmacology
Medical sciences
Neuropharmacology
Oxygen - blood
Pharmacology. Drug treatments
Respiration - drug effects
Shock - blood
Shock - physiopathology
title Ketamine in hypovolemic dogs
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