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Comparison of four different protocols using levobupivacaine for spinal anaesthesia in red-footed tortoises (Chelonoidis carbonarius).
Dos Santos Filho, Paulo Cesar Mendes; Dimatteu Telles, Leticia Prata Juliano; da Silva, Elane Barboza; da Silva, Dandara Franco Ferreira; Hirano, Líria Queiroz Luz.
Affiliation
  • Dos Santos Filho PCM; Hospital Veterinário, Universidade de Brasília (UnB), Brasília, Brazil.
  • Dimatteu Telles LPJ; Hospital Veterinário, Universidade de Brasília (UnB), Brasília, Brazil.
  • da Silva EB; Hospital Veterinário, Universidade de Brasília (UnB), Brasília, Brazil.
  • da Silva DFF; Hospital Veterinário, Universidade de Brasília (UnB), Brasília, Brazil.
  • Hirano LQL; Hospital Veterinário, Universidade de Brasília (UnB), Brasília, Brazil.
Open Vet J ; 14(8): 1789-1793, 2024 Aug.
Article in En | MEDLINE | ID: mdl-39308705
ABSTRACT

Background:

The popularity of tortoises kept in captivity is increasing and has caused concern regarding the necessity to establish safe and straightforward anaesthesia for those reptiles.

Aim:

This study aimed to compare four protocols using levobupivacaine in spinal anaesthesia for the blockade of the caudal neuraxis of red-footed tortoises (Chelonoidis carbonarius).

Methods:

Twenty-four tortoises were randomly assigned into four groups G1, levobupivacaine 0.75% (1.15 mg kg-1); G2, levobupivacaine 0.37% (1.15 mg kg-1); G3, levobupivacaine 0.75% (2.3 mg kg-1); and G4, levobupivacaine 0.75% (0.1 ml 5 cm-1 of straight carapace length). Tortoises were evaluated for respiratory rate, muscle relaxation, response to hindlimb or tail pinch, and cloacal reflex.

Results:

A 1.15 mg kg-1 dose of levobupivacaine 0.37% appears adequate for shorter procedures, whereas a 1.15 mg kg-1 dose of levobupivacaine 0.75% should be appropriate for longer procedures in red-footed tortoises.

Conclusion:

Our results are the first to show the effects of levobupivacaine on spinal anaesthesia in reptiles. Weight-based doses presented more intense and more homogeneous effects than carapace length-based doses in red-footed tortoises. Spinal anaesthesia of red-footed tortoises was safe and effective with any of the weight-based protocols.
Subject(s)
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Turtles / Levobupivacaine / Anesthesia, Spinal / Anesthetics, Local Limits: Animals Language: En Journal: Open Vet J Year: 2024 Document type: Article Affiliation country: Brazil Country of publication: Libya

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Turtles / Levobupivacaine / Anesthesia, Spinal / Anesthetics, Local Limits: Animals Language: En Journal: Open Vet J Year: 2024 Document type: Article Affiliation country: Brazil Country of publication: Libya