Abstract
It was studied fortuitous cardiorespiratory and bispectral index changes in dogs anesthetized with isoflurane associated or not to tramadol. Sixteen dogswere distributed in two groups named CG (control group) and TG (tramadol group). General anesthesia was induced in all animals with isoflurane via mask. After 10 minutes, the animals of CG received 0.05ml/kg of saline solution at 0.9%, and TG received 2mg/kg of tramadol, both via intramuscular. It was evaluated heart rate, systolic, diastolic and mean arterial pressures; electrocardiography; respiratory rate; oxihemoglobin saturation; end tidal carbon dioxide; bispectral index and recovery of anesthesia. The administration of tramadol in dogs anesthetized with isoflurane did not produce changes in cardiorespiratory variables, bispectral index and anesthetic recovery time. In addition, this association promoted good quality of anesthetic recovery.
Highlights
It was studied fortuitous cardiorespiratory and bispectral index changes in dogs anesthetized with isoflurane associated or not to tramadol
Não foram observados sinais de náusea e vômitos em ambos os grupos
VAUGHAN, D.J.A.; SHINNER, G.; THORNTON, C. et al Effect of tramadol on eletroencephalographic and auditory-evoked response variables during light anaesthesia
Summary
Foram utilizados 16 cães adultos, de ambos os sexos, sem raça definida, considerados sadios após a realização do exame físico, hemograma completo e exames bioquímicos (hepático e renal), evitando-se usar fêmeas prenhes ou em estro. Transcorridos 10 minutos, os animais do GC receberam 0,05ml/kg de solução salina a 0,9% e os do GT, 2mg/kg de tramadol, ambos por via intramuscular. Excelente se o animal se levanta após a primeira tentativa, e não se observam ataxia e excitação; 2. Boa se se levanta após uma ou duas tentativas, com pouca ataxia mas sem excitação; 3. Satisfatória se se levanta após uma a três tentativas, há ataxia prolongada e sem excitação; 4. Moderada, se ocorreram múltiplas tentativas para se levantar, há ataxia significante e pouca excitação; 5. Empregou-se análise de variância seguida pelo teste t de Student (P
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