Effects of constant rate infusion of anesthetic or analgesic drugs on general anesthesia with isoflurane: A retrospective study in 200 dogs

Autores

  • Sofia de Amorim Cerejo Universidade de Franca
  • Ewaldo de Mattos Júnior Universidade de Franca
  • Lilian Toshiko Nishimura Universidade de Franca
  • Carolina Quarterone Universidade Estadual Paulista
  • Leandro Guimarães Franco Universidade Estadual de Santa Cruz UESC

DOI:

https://doi.org/10.5433/1679-0359.2013v34n4p1807

Palavras-chave:

Continuous intravenous infusion, Fentanyl, Ketamine, Lidocaine, Morphine.

Resumo

Constant rate infusion (CRI) shows several advantages in balanced anesthesia, such as reduction of requirement for inhaled anesthetics and control of pain. The most commonly used drugs in these protocols are local anesthetics, dissociative, and opioids, which may be administered alone or in combinations. We evaluated the records of 200 dogs that underwent various surgical procedures with anesthetic or analgesic CRI in the perioperative period during 2011 and 2012 at the Veterinary Hospital of Franca University (Unifran), and identified possible complications during the transoperative period. Records evaluated included clinical state, laboratory tests, drugs used in premedication and induction, and CRI protocol. Acepromazine and morphine were the main drugs used in premedication. Propofol was used to induce anesthesia alone or in combination with other agents. We evaluated records of the 25 different CRI protocols. Fentanyl was the main drug employed in CRI, either alone or in combination. There were 128 episodes of anesthetic complications during CRI;the most common were hypotension, hypertension, and tachycardia, which occurred in 43 (32%), 35 (26.3%), and 19 (14.2%) dogs, respectively. Cardiac arrhythmia was reported in only 4 dogs. Signs of respiratory depression were present in dogs treated with 6 different CRI protocols. The consumption of isoflurane (vol %) reduced between 15.7% and 21.05% after 30minutes of the CRI in the fentanyl and fentanyl–lidocaine–ketamine CRI groups (p<0.05). In conclusion, CRI is a valid component of balanced anesthesia in dogs, safe, and has a low incidence of adverse effects. However, future studies are warranted to describe the results of the clinical use of CRI to better characterize and refine this technique.

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Biografia do Autor

Sofia de Amorim Cerejo, Universidade de Franca

Pós-graduanda, Universidade de Franca, UNIFRAN, Franca, SP, Brasil.

 

 

Ewaldo de Mattos Júnior, Universidade de Franca

Prof. Adjunto, UNIFRAN, Franca, SP, Brasil.

Lilian Toshiko Nishimura, Universidade de Franca

Pós-graduanda, Universidade de Franca, UNIFRAN, Franca, SP, Brasil.

 

 

 

Carolina Quarterone, Universidade Estadual Paulista

Pós-graduanda, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Campus Botucatu, UNESP, Botucatu, SP.

 

 

 

Leandro Guimarães Franco, Universidade Estadual de Santa Cruz UESC

Prof. Adjunto, Universidade Estadual de Santa Cruz, UESC, Ilhéus, BA. Orientador.

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Publicado

2013-08-30

Como Citar

Cerejo, S. de A., Mattos Júnior, E. de, Nishimura, L. T., Quarterone, C., & Franco, L. G. (2013). Effects of constant rate infusion of anesthetic or analgesic drugs on general anesthesia with isoflurane: A retrospective study in 200 dogs. Semina: Ciências Agrárias, 34(4), 1807–1822. https://doi.org/10.5433/1679-0359.2013v34n4p1807

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