Cardiovascular effects of midazolam in levomepromazine premedicated dogs

Experiments were performed on ten mongrel dogs with 10-18 kg body weight. They received levomepromazine 1.0 mg/kg body weight, I.V. as premedication, and 15 minutes later, midazolam was given in dosage of 2.0 mg/kg body weight intravenously. The result showed moderat increase on respiratory rate and...

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Bibliographic Details
Published in:Brazilian journal of veterinary research and animal science Vol. 29; no. 2; pp. 251 - 256
Main Authors: Gladys Bastos de Castro, Flavio Massone, Antonio José de Araújo Aguiar, Stélio Pacca Loureiro Luna, Silvia Renata Gaido
Format: Journal Article
Language:Portuguese
Published: Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia 02-01-1992
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Summary:Experiments were performed on ten mongrel dogs with 10-18 kg body weight. They received levomepromazine 1.0 mg/kg body weight, I.V. as premedication, and 15 minutes later, midazolam was given in dosage of 2.0 mg/kg body weight intravenously. The result showed moderat increase on respiratory rate and decrease heart rate after 15 minutes and increase heart rate after 30 minutes. Mean and sistolic arterial pressure decreased significantly (p<0.05) but without clinical importance, remained in the physiologic range. Hipnosis duration was less than 20 minutes and at 30 minutes the dogs awaked and they tried to walk. Foram utilizados 10 cães adultos, de ambos os sexos, sem raça definida, com peso corpóreo entre 10 e 18 kg. Os animais foram pré-medicados com 1,0 mg/kg de levomepromazina e 15 minutos após receberam 2,0 mg/kg de midazolam, ambos por via intravenosa. A freqüência respiratória mostrou um aumento moderado e a freqüência cardíaca redução aos 15 minutos e elevação aos 30 minutos. Houve redução da pressão arterial média e da pressão sistólica com significado estatístico e não clínico. Houve tendência de redução da pressão arterial diastólica. A hipnose durou aproximadamente 20 minutos e aos 30 minutos os cães estavam acordados e em tentativa de deambulação.
Bibliography:http://revistas.usp.br/bjvras/article/view/51991
ISSN:1413-9596
1678-4456