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Protein Z-dependent protease inhibitor (ZPI) is a serpin that inhibits the activated coagulation factors X and XI. The precise physiological significance of ZPI in the control of haemostasis is unknown although a deficiency of ZPI may be predicted to alter this balance. The coding region of the ZPI gene was screened for mutations using denaturing(More)
OBJECTIVE To evaluate the sedative properties of 3 dosages of the benzodiazepine tranquilizer midazolam as a means of chemical restraint in quail (Colinus virginianus) and to evaluate the ability of the benzodiazepine antagonist flumazenil to reverse the sedative effects of midazolam. DESIGN Prospective randomized controlled trial. ANIMALS Study 1, 30(More)
Understanding of the pharmacology of local anesthesia is important for selection of a local anesthetic for use in equine standing surgery. In general, the action potential is inhibited by local anesthetics by preventing the influx of sodium ions across the axonal membrane. The physicochemical properties of each local anesthetic determine the onset of(More)
Complete atrioventricular block was induced in 26 pentobarbital-anesthetized dogs to determine the effects of the alpha 2-adrenergic receptor agonists, xylazine and medetomidine, on supraventricular and ventricular automaticity. Prazosin and atipamezole, alpha-adrenoceptor antagonists, were administered to isolate alpha 1- or alpha 2-adrenoceptor effects.(More)
We prospectively studied 18 dogs that presented for exploratory stifle arthrotomy, with or without meniscectomy, and lateral extracapsular stabilization as a result of cranial cruciate ligament rupture. Dogs were premedicated with acepromazine, induced with thiopental, and maintained with halothane in oxygen. Preoperatively, dogs were assigned to one of(More)
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One hundred sixty horses were anesthetized with xylazine, guaifenesin, thiamylal, and halothane for elective soft tissue and orthopedic procedures. Horses were randomly assigned to one of four groups. Group 1 (n = 40): Horses positioned in lateral (LRG1; n = 20) or dorsal (DRG1; n = 20) recumbency breathed spontaneously throughout anesthesia. Group 2 (n =(More)
A simple and reliable technique for producing complete atrioventricular (AV) block in dogs by the injection of a 38% formaldehyde solution into the area of the AV node is described. This technique, a modification of previous methods utilizing formaldehyde injection for the production of complete AV block, uses the coronary sinus as the major landmark.(More)