Balanced Anesthesia and Constant-Rate Infusions in Horses

• Autores: Alexander Valverde
• Localización: Veterinary Clinics of North America: Equine Practice: Equine Practice, ISSN-e 0749-0739, Vol. 29, Nº. 1, 2013, págs. 89-122
• Idioma: inglés
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• Resumen

  • Balanced anesthetic techniques are commonly used in equine patients, and include the combination of a volatile anesthetic with at least one injectable anesthetic throughout the maintenance period. Injectable anesthetics used in balanced anesthesia include the α 2-agonists, lidocaine, ketamine, and opioids, and those with muscle-relaxant properties such as benzodiazepines and guaifenesin. Administration of these injectable anesthetics is best using constant-rate infusions based on the pharmacokinetics of the drug, which allows steady-state concentrations and predictable pharmacodynamic actions. This review summarizes the different drug combinations used in horses, and provides calculated recommended doses based on the pharmacokinetics of individual drugs.