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OBJECTIVE To compare the effects of morphine (MOR), methadone (MET), butorphanol (BUT) and tramadol (TRA), in combination with acepromazine, on sedation, cardiorespiratory variables, body temperature and incidence of emesis in dogs. STUDY DESIGN Prospective randomized, blinded, experimental trial. ANIMALS Six adult mixed-breed male dogs weighing 12.0(More)
OBJECTIVE To assess the brachial plexus block in chickens by an axillary approach and using a peripheral nerve stimulator. STUDY DESIGN Prospective, randomized, double-blinded study. ANIMALS Six, 84-week old, female chickens. METHODS Midazolam (1 mg kg(-1)) and butorphanol (1 mg kg(-1)) were administered into the pectoralis muscle. Fifteen minutes(More)
OBJECTIVE To evaluate the effects of methadone, administered alone or in combination with acepromazine or xylazine, on sedation and on physiologic values in dogs. STUDY DESIGN Randomized cross-over design. ANIMALS Six adult healthy mixed-breed dogs weighing 13.5 +/- 4.9 kg. METHODS Dogs were injected intramuscularly with physiologic saline (Control),(More)
OBJECTIVE To compare the effects of tramadol alone, or in combination with dipyrone or meloxicam, on postoperative pain and analgesia requirement after unilateral mastectomy with or without ovariohysterectomy in dogs. STUDY DESIGN Prospective, randomized, clinical study. ANIMALS Twenty seven bitches undergoing unilateral mastectomy with or without(More)
OBJECTIVE To evaluate the effects of acepromazine maleate on the cardiovascular changes induced by dopamine in isoflurane-anesthetized dogs. STUDY DESIGN Prospective, randomized cross-over experimental design. ANIMALS Six healthy adult spayed female dogs weighing 16.4 +/- 3.5 kg (mean +/- SD). METHODS Each dog received two treatments, at least 1 week(More)
To test the hypothesis that acepromazine could potentiate the sedative actions and attenuate the pressor response induced by dexmedetomidine, the effects of acepromazine or atropine were compared in six healthy adult dogs treated with this alpha2-agonist. In a randomised block design, the dogs received intravenous doses of either physiological saline, 0.05(More)
OBJECTIVE To evaluate the correlation between the bispectral index (BIS) and end-tidal isoflurane (ET(ISO)) concentration and compare the use of 3 BIS sensor positions in dogs. ANIMALS 6 adult dogs. PROCEDURES Mechanically ventilated dogs received pancuronium, and depth of anesthesia was altered by increasing ET(ISO) concentration from 1.5% to 2.3% and(More)
Frozen-thawed epididymal spermatozoa have already been successfully used in artificial insemination in the domestic cat, proving to be a valuable resource for the reproduction of felid species, which are threatened with extinction. The aim of this study was to compare the effects of freezing and thawing on domestic cat semen collected by electroejaculation(More)
The effects of epidural and intravenous (IV) methadone (0.5mg/kg) on the minimum alveolar concentration of isoflurane (ISO(MAC)) were compared in dogs. Six dogs (16.5 ± 2.5 kg bodyweight) received three treatments in random order during isoflurane anaesthesia, with a 7 day washout interval between each study. Methadone was injected via a lumbosacral(More)
Objective-To evaluate the effects of epidural administration of 3 doses of dexmedetomidine on isoflurane minimum alveolar concentration (MAC) and characterize changes in bispectral index (BIS) induced by nociceptive stimulation used for MAC determination in dogs. Animals-6 adult dogs. Procedures-Isoflurane-anesthetized dogs received physiologic saline (0.9%(More)