A Case of Cardiovasucular Management Using Dopamine-Dobutamine Combination in Equine Laparotomy under Halothane Anesthesia.

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A 4-year-old female horse suffering from small intestinal volvulus with severe cardiovascular depression received laparotomy under halothane anesthesia. Following xylazine hydrochloride administration as premeditation, a mixture of ketamine hydrochloride and guaiacol glycerine ether was administrated to induce anesthesia. Because of the hypotension a mixture of dopamine and dobutamine at the same dose (1-3μg/kg/min) was infused. Mean arterial blood pressure increased but was maintained at 55-60 mmHg. In addition, signs of post anesthetic myopathy was observed. Thus, these drugs might be effective to keep higher arterial pressure, however more effective managements must be needed in this type of patients.
獣医麻酔外科学会の論文