Veterinary anaesthesia and analgesia
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Randomized Controlled Trial Comparative Study
A comparison of epidural morphine with low dose bupivacaine versus epidural morphine alone on motor and respiratory function in dogs following splenectomy.
To compare post-operative motor function in dogs that received epidural morphine and low dose bupivacaine versus epidural morphine alone following splenectomy. ⋯ The combination of low dose bupivacaine (0.25 mg kg(-1)) and morphine (0.1 mg kg(-1)) when administered epidurally has little effect on post-operative motor function. This combination can be used without concern of motor paralysis in healthy animals.
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Randomized Controlled Trial Comparative Study
Post-operative analgesic effects of butorphanol or firocoxib administered to dogs undergoing elective ovariohysterectomy.
To compare the post-operative analgesic effects of butorphanol or firocoxib in dogs undergoing ovariohysterectomy. ⋯ Firocoxib produced better post-operative analgesia than butorphanol. Firocoxib may be used as part of a multimodal analgesia protocol but may not be effective as a sole analgesic.
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Comparative Study
The effects of extubation with an inflated versus deflated endotracheal tube cuff on endotracheal fluid volume in the dog.
The purpose of this study was to investigate the effect of extubation with the endotracheal tube (ETT) cuff inflated versus deflated on endotracheal fluid volume in normal canine cadavers. ⋯ Extubation with the cuff inflated removed more liquid contents from the trachea than extubation with the cuff deflated and may assist in the prevention of pulmonary aspiration when fluid is present in the proximal trachea. The technique did not remove all fluid so the potential for pulmonary damage remains.
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Randomized Controlled Trial
The effect of midazolam on the end-tidal concentration of isoflurane necessary to prevent movement in dogs.
To determine the possible additive effect of midazolam, a GABA(A) agonist, on the end-tidal concentration of isoflurane that prevents movement (MAC(NM) ) in response to noxious stimulation. ⋯ Midazolam doses in the range of 10-80 μg kg(-1) minute(-1) significantly reduced the isoflurane MAC(NM) . However, doses greater than 10 μg kg(-1) minute(-1) did not further decrease MAC(NM) indicating a ceiling effect.
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To describe the ultrasound-guided technique to the transversus abdominis plane (TAP) block in the dog and evaluate the spread of a local anesthetic/methylene blue solution. ⋯ This anatomical study suggests that the transversus abdominis plane (TAP) block would provide adequate regional anesthesia of the abdomen, potentially extending to the cranial and caudal limits of the abdomen. This supports the clinical potential of this block in veterinary medicine.