Anaesthesia for Reptiles

Brazenor, C. W.; Kaye, Geoffrey

doi:10.2307/1439924

Cited by 12 publications

(7 citation statements)

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“…The other animals reached score at 30 minutes after the drug administration. The findings of the current study contradict Brazenor and Kaye (18) and Bonath and Zschege (19) , who reported a midazolam induction period in reptiles varying from 40 to 60 minutes. However, the authors did not mention the room temperature control, and the drug application in these studies was intramuscular, which may influence the metabolism and the absorption of the benzodiazepine.…”

Section: Resultscontrasting

confidence: 80%

“…The presence of apnea in rattlesnakes was caused by the use of ketamine, which is a drug with dissociative action. Regarding the midazolam, the absence of apnea was expected because there are no reports of this event when the benzodiazepine is used isolatedly in reptiles (9), (18) . We did not observe differences in the RR between the animals from G1 and G2 as well as in the studies of the isolated use of midazolam in Trachemys scropta and Crocodylus porosus, where the authors reported the absence of bradypnea (9), (20) (Figure 5).…”

Section: Resultsmentioning

confidence: 99%

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EFEITOS DA ADMINSTRAÇÃO DO MIDAZOLAM EM DOSES DIFERENTES EM JIBOIAS Boa constrictor LINNAEUS, 1758 (SQUAMATA: BOIDAE)

2017

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The objective of this study was to compare the effects of midazolam in Boa constrictor. We used 20 redtail boas, divided into two groups of ten animals each. Group 1 (G1) received 1 mg/kg of midazolam and group 2 (G2) 2 mg/kg, by intracelomic injection. The specimens of G1 presented reduction of head tone, muscle tone, manipulation, and locomotion for 233.50 ± 71.34 minutes and the representatives of G2 for 328.50 ± 125.35 minutes. No redtail boa belonging to both G1 and G2 presented absence of postural righting reflex or achieved analgesia. However, all specimens tested showed intense muscle relaxation and difficulty to move in. The turnaround time to pre-sedation conditions were 279 ± 73.55 minutes for G1 and 372 ± 142.27 minutes for G2. There were no statistical differences between evaluations of heart and respiratory rates in both groups tested. We concluded, therefore, in redtail boa, midazolam at the dosage of 1 mg/kg causes the same effect as 2 mg/kg, but with shorter recovery time, and it can be used to contain Boa constrictor or in associations aimed at an effective muscle relaxation. Keywords: benzodiazepinic; pharmacological restraint; reptiles; snakes. ResumoObjetivou-se comparar os efeitos de duas doses de midazolam em Boa constrictor. Utilizaram-se 20 jiboias, divididas em dois grupos. O grupo 1 (G1), composto por dez animais, recebeu 1 mg/kg de midazolam e o grupo 2 (G2), também com dez animais, 2 mg/kg, pela via intracelomática. Os animais do G1 apresentaram déficit de tônus da cabeça, tônus muscular, manipulação e locomoção por 3,89 ± 1,18 horas e os representantes do G2 por 5,47 ± 2,08 horas. Nenhuma jiboia, em ambos os grupos, manifestou ausência de reação postural de endireitamento ou alcançaram sedação profunda; entretanto, observou-se redução da agressividade, intenso relaxamento muscular e uma dificuldade de serpentear em todos os exemplares. O tempo de retorno às condições pré-sedativas foi de 4,65 ± 1,22 horas para o G1 e de 6,2 ± 2,37 horas para o G2. Não foram observadas diferenças significativas nas avaliações da frequência cardíaca e respiratória entre os grupos. Concluiu-se assim que 1 mg/kg de midazolam provoca nas jiboias o mesmo efeito que 2 mg/kg, porém na menor dose o tempo de recuperação é menor, podendo ser utilizado para a contenção farmacológica de Boa constrictor, ou em associações que visem um efetivo relaxamento muscular.

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Section: Resultscontrasting

confidence: 80%

Section: Resultsmentioning

confidence: 99%

EFEITOS DA ADMINSTRAÇÃO DO MIDAZOLAM EM DOSES DIFERENTES EM JIBOIAS Boa constrictor LINNAEUS, 1758 (SQUAMATA: BOIDAE)

2017

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“…The anacsthcsia of reptiles is performed at am-bient temperatures of between 24--27'~; higher and lower temperatures result in unusually long induction and recovery periods. High ambient temperature in the recovery period must be avoided, as it frequently results in a relapse into a deep stage of anaesthesia (Kaplan, 1969;Brazenor & Kaye, 1953) and the death of the animal.…”

Section: Lizardsmentioning

confidence: 99%

Halothane inhalation anaesthesia in reptiles and its clinical control

Bonath¹

1979

International Zoo Yearbook

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Summary Inhalation anaesthesia is recommended for small and medium‐sized reptiles (Sauria, Serpentcs, Crocodilia). For large reptiles medicinal muscle relaxation followed by endotracheal intubation and inhalation anaesthesia using an anaesthesia machine is suggested and discussed. Possible methods of monitoring the depth of anacstlicsia by means of simple reflex tests are summarised in an anaesthesia monitoring plan and the simple circulatory and respiratory reactions of anaesthetised reptiles are described; the determining influence of the environmental temperature on the course of anaesthesia and possibilities for reanimation of reptiles under dialation anaesthesia are reported.

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“…Immobilizing drugs of this type. however, have been used extensively to facilitate the handling and examination of captive reptiles, following Brazenor and Kaye's (1953) efforts to find a safe substitute for ether. which had customarily been used for anaesthetizing reptiles (Betz, 1962).…”

Section: Introductionmentioning

confidence: 99%