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Spinal epidural empyema in seven dogs
Objective-To characterize the clinical signs, diagnostic and surgical findings, and outcome in dogs with spinal epidural empyema (SEE). Study Design-Retrospective study. Animals-Seven dogs. Methods-Dogs with SEE between 1992 and 2001 were identified from a computerized medical record system. Inclusion criteria were: neurologic examination, vertebral column radiographs, myelography, antimicrobial culture and susceptibility of material collected surgically from the vertebral canal, a definitive diagnosis of SEE confirmed by surgery, and microscopic examination of tissue from the vertebral canal. Results-Common signs were lethargy, fever, anorexia, apparent spinal pain, and paraparesis/plegia. Common laboratory abnormalities were peripheral neutrophilia, and neutrophilic pleocytosis in cerebrospinal fluid (CSF). Three dogs had concurrent discospondylitis and 1 of these had vertebral luxation. On myelography, extradural spinal cord compression was focal (2 dogs), multifocal (3), or diffuse (2). Bacteria were isolated not from CSF but from blood, surgical site, pleural fluid, or urine in 6 dogs. Dogs were administered antibiotics and had surgical decompression by hemilaminectomy. Five dogs improved neurologically and had a good long-term outcome. Two dogs were euthanatized, 1 because of worsening of neurologic signs and pneumonia, and the other because of herniation of a cervical intervertebral disc 1 month postoperatively, unrelated to the SEE. Conclusion-Dogs with SEE may have a good outcome when treated by surgical decompression and antibiotic administration. Clinical Relevance-SEE should be included in a list of possible causes for dogs with fever, apparent spinal pain, and myelopathy
Pharmacology and therapeutics of non-steroidal anti-inflammatory drugs in the dog and cat 2 : Individual agents
The general pharmacology of the non-steroidal anti-inflammatory drugs (NSAIDs) used in dogs and cats has been described in part 1 of this review (Lees and others 1991). This paper outlines the properties of the individual agents as they are used in small animal practice. The NSAIDs which have been used extensively in small animals include the older agents such as Aspirin, cinchophen and phenylbutazone. These agents have previously been used empirically by extrapolation of dosages from other species and by clinical experience. Studies are now available which provide a scientific rationale for the dosage rate recommended. A number of new drugs have recently been licensed for use in the dog or may be licensed in the near future. These include flunixin, carprofen and tolfenamic acid and the data generated from these products provides very useful information for formulating I effective dosage regimens. There are also some NSAIDs such as piroxicam which have been investigated in the dog because they have particular properties which may be of use in common clinical conditions and others, such as Paracetamol and Ibuprofen, which are readily available to the public and which owners may administer to dogs or cats at toxic dosesPeer reviewe