A ética e a moral em anestesiologia veterinária

Massone, Flávio

doi:10.36440/recmvz.v5i1.3290

Cited by 32 publications

(46 citation statements)

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“…Prior to collecting the testes, the animals were physically restrained and anesthetized [ 11 ] according to the ethical principles for animal experimentation as recommended by the Brazilian College of Animal Experimentation [ 12 ], and they were weighed using a mechanical balance (ACR 1500, 4,000 kg, Balanças Açôres, Cambé, PR, Brazil).…”

Section: Methodsmentioning

confidence: 99%

The Correlation between Age, Body Weight and Testicular Parameters in Murrah Buffalo Bulls Raised in Brazil

Luz

Santos

Andrighetto

et al. 2013

Journal of Reproduction and Development

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Buffalo are an economically important source for meat and milk production, especially in Brazil. However, important aspects of their biology remain unknown thus far. Herein, we describe the reproductive characteristics of male Murrah buffalo (Bubalus bubalis) raised under extensive management conditions by applying biometrics associated with testicular weight. We analyzed seven males, divided into two groups: G1, which consisted of four 18-month-old animals, and G2, which consisted of three 24-month-old animals. Testicular development occurs slowly in Murrah buffalo, suggesting a delay of sexual maturity. The biometric testicular parameters analyzed were scrotal circumference, testicular weight, testicular length, testicular width, testicular thickness and testicular circumference. Our data indicate strong correlations between SC, age and body weight, and additional significant relationships were identified between body weight, age and other testicular parameters. Thus, these parameters are suitable indicators when selecting bulls for breeding purposes.

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Section: Methodsmentioning

confidence: 99%

The Correlation between Age, Body Weight and Testicular Parameters in Murrah Buffalo Bulls Raised in Brazil

Luz

Santos

Andrighetto

et al. 2013

Journal of Reproduction and Development

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“…The methods, similar to the present manuscript, were hardly responsible for this difference. However, physiological characteristics, like body temperature and nutritional condition, may significantly affect metabolism of anesthetic drugs [ 6 ]. Specific differences between ostriches and rheas may also be considered.…”

Section: Discussionmentioning

confidence: 99%

“…Agitated recovery after the use of tiletamine and zolazepam has been previously reported, highlighting sudden head and neck movements and with animals needing assistance to avoid self-trauma on the animals, similarly to what we report in this manuscript [ 5 ]. Such behavior cannot be considered completely abnormal in the use of dissociative agents [ 11 ], justifying its use associated with muscle relaxing drugs and tranquilizers, to avoid such effects [ 5 , 6 , 11 ]. The plasmatic half-life of zolazepam, however, may be smaller than that of tiletamine, explaining the excess of excitatory effects during the later stages of recovery [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

“…These reflexes may aim to regulate body temperature, coordinated mainly by the brain staff, beginning after partial recovery from sedation. Dissociative anesthetic agents partially or completely inhibit the nervous system’s control of main body functions, relating these observations with initial stages of recovery from anesthesia [ 6 , 12 , 14 , 19 ].…”

Section: Discussionmentioning

confidence: 99%

“…As such, chemical restraint can become essential in managing these and other wild animals, even for simple maneuvers as clinical exams, biological samples collection and management techniques like capture and transportation. It provides several advantages, neutralizing possible aggressive behaviors, providing safety for all evolved and can avoid traumatic memories for the animal through amnesia [ 5 , 6 ]. Physical restraining is mostly inadequate in greater rheas, due to their size, aggressive nature and powerful hind limbs, leading to risks of self-trauma and to surrounding personnel [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

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Allometric scaling for chemical restraint in greater Rheas (Rhea americana) with Tiletamine and Zolazepam

Pinheiro

Lima

et al. 2014

BMC Vet Res

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BackgroundChemical restraint is of great importance in the clinical practice of wildlife animals. In such, interspecific allometric scaling proposes pharmacological doses to a wide range of species, based on previously known doses for domestic animals and the target animal’s body mass. The objective was to compare chemical restraint responses in the greater rhea (Rhea americana) with conventional doses of tiletamine/zolazepam, found in the literature for the species, and with doses calculated through interspecific allometric scaling extrapolation. From the Federal University of Piauí, six adult greater rheas (Rhea americana), three males and three females, were randomly selected to be subjects in this research. All six animals were submitted to two chemical restraint protocols with tiletamine and zolazepam, per intramuscular injection in the hind limb. The first protocol was composed of doses found on the literature for the species, while the second protocol used doses calculated by interspecific allometric scaling, with the domestic dog as model animal. Heart and respiratory rates, body temperature, eyelid reflex, digital pinch and metatarsal reflex were registered along with latency and ambulation times.ResultsThe use of interspecific allometric scaling for chemical restraint with the combination tiletamine and zolazepam showed satisfying results, with great similarity to results obtained with conventional doses in Greater rheas.ConclusionsLiterature on chemical restraint and use of tiletamine and zolazepam in rheas is scarce. Chemical restraint is of extreme importance on these animals, due to their aggressive nature and low level of domesticity. This research may further establish the interspecific allometric scaling method as a viable tool for the veterinary physician in formulating anesthetic and chemical restraint protocols for wildlife animals.

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Uso de la Escala de dolor de la Universidad de Melbourne para evaluar dos protocolos de analgesia posquirúrgica en perras sometidas a mastectomía

Mariussi¹,

Rorig²,

Borges³

et al. 2020

Pubvet

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Os tumores mamários em cadelas integram cerca de 52% das neoplasias em cães. A remoção cirúrgica completa, denominada mastectomia, é considerada o tratamento de eleição. A dor pós-operatória para esse procedimento pode ser classificada de moderada a intensa, exigindo, portanto, um tratamento com fármacos que minimizem a dor. A analgesia preemptiva é um método que consiste na administração de medicamentos antes do estímulo doloroso e dessa forma, tem se destacado entre os protocolos analgésicos. Escalas capazes de avaliar a dor em animais surgiram diante da dificuldade em seu reconhecimento na Medicina Veterinária. A escala de dor da Universidade de Melbourne (UMPS) consiste na avalição dos parâmetros fisiológicos e comportamentais específicos relacionados à dor, aumentando sua sensibilidade e especificidade. Diante disso, o presente estudo teve como objetivo avaliar a eficácia de dois diferentes protocolos de analgesia preemptiva no controle de dor pós-operatória em cadelas submetidas a mastectomia, com a utilização da UMPS. Para isso, a pesquisa contou com 16 pacientes fêmeas que foram aleatoriamente divididas em dois grupos (G1 e G2). O grupo G1 referente ao protocolo de analgesia preemptiva com firocoxibe associado ao adesivo de fentanil transdérmico, foi composto por 8 fêmeas. Dessa forma, as 8 fêmeas restantes constituíram o grupo G2 recebendo analgesia preemptiva com carprofeno associado ao fentanil transdérmico. No pós-operatório as pacientes foram avaliadas por meio da aplicação da UMPS em 5 tempos (T1, T2, T3, T12 e T24). O resgate analgésico somente foi efetuado quando a avaliação alcançou pontuação superior a 13. Diante disso, dentre as 16 cadelas que participaram da pesquisa, 11 delas (68,75%) demonstraram controle adequado da dor, portanto, não houve a necessidade de resgate, 4 pacientes (25%) necessitaram de resgate analgésico e 1 paciente (6,25%) foi desclassificada da pesquisa. Contudo, conclui-se que a Escala da Dor da Universidade de Melbourne é um bom método para avaliação do grau de dor em cães e que adesivo de fentanil transdérmico (Durogesic®) demonstrou boa atuação no controle da dor com associação a ambos anti-inflamatórios, desde que o mesmo esteja em total aderência com a superfície da pele.

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A ética e a moral em anestesiologia veterinária

Cited by 32 publications

References 1 publication

The Correlation between Age, Body Weight and Testicular Parameters in Murrah Buffalo Bulls Raised in Brazil

The Correlation between Age, Body Weight and Testicular Parameters in Murrah Buffalo Bulls Raised in Brazil

Allometric scaling for chemical restraint in greater Rheas (Rhea americana) with Tiletamine and Zolazepam

Uso de la Escala de dolor de la Universidad de Melbourne para evaluar dos protocolos de analgesia posquirúrgica en perras sometidas a mastectomía

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