Veterinary Clinical Sciences - Research Publications
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ItemIMAGING DIAGNOSIS-THE COMPUTED TOMOGRAPHY FEATURES OF A PLEUROPERITONEAL HERNIA IN A CAT(WILEY, 2017-09)An 8-year-old female neutered domestic short hair cat presented for investigation of poorly controlled diabetes mellitus. Thoracic radiographs identified a soft tissue opacity in the caudoventral thorax adjacent to the diaphragm. Computed tomography (CT) then characterized a pleuroperitoneal hernia with cranial displacement of a portion of the liver within the hernia. A pleuroperitoneal hernia was confirmed and repaired via exploratory laparotomy. This is the first description of the CT features of a pleuroperitoneal hernia in a cat.
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ItemAppraisal of the Australian Veterinary Prescribing Guidelines for antimicrobial prophylaxis for surgery in dogs and cats(Wiley, 2019-07-08)The Australian Veterinary Prescribing Guidelines for antimicrobial prophylaxis for surgery on dogs and cats are evidence-based guidelines for veterinary practitioners. Validation of these guidelines is necessary to ensure quality and implementability. Two validated tools, used for medical guideline appraisal, were chosen to assess the guidelines. The terminology from the GuideLine Implementability Appraisal (GLIA) and the Appraisal of Guidelines for Research and Evaluation version 2 (AGREE II) were adapted for use by veterinarians. A two-phase evaluation approach was conducted. In the first phase of the evaluation, the GLIA tool was used by two specialist veterinary surgeons in clinical practice. The results of this phase were then used to modify the guidelines. In the second phase, the AGREE II tool was used by 6 general practitioners and 6 specialists to appraise the guidelines. In phase 1, the specialist surgeons either agreed or strongly agreed that the guidelines were executable, decidable, valid and novel, and that the guidelines would fit within the process of care. The surgeons were neutral on flexibility and measurability. Additional clarity around one common surgical procedure was added to the guidelines, after which the surgeons agreed that the guidelines were sufficiently flexible. In phase 2, 12 veterinarians completed the assessment using the AGREE II tool. In all sections the scaled domain score was greater than 70%. The overall quality of the guidelines was given a global scaled score of 76%. This assessment has demonstrated that the guidelines for antimicrobial prophylaxis for companion animal surgery are valid and appear implementable.
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ItemEstablishment of reference intervals for serum symmetric dimethylarginine in adult nonracing Greyhounds(WILEY, 2018-09)BACKGROUND: The reference intervals (RIs) for the renal biomarkers urea and creatinine, in Greyhounds, are higher than those for non-sighthound breeds. A recent study has demonstrated a higher concentration of another biomarker of renal function, symmetric dimethylarginine (SDMA), in Greyhounds compared with other dog breeds, and thus a breed-specific RI for serum SDMA may be appropriate for Greyhounds. Greyhounds appear to be predisposed to renal disease, and the establishment of an appropriate RI for SDMA may improve the ability to identify early renal dysfunction in this breed. OBJECTIVES: The aim of this study was to establish an RI for serum SDMA in nonracing Greyhounds and to determine whether the RI for Greyhounds is different from that of non-sighthound breeds. METHODS: Blood samples were collected from 101 clinically healthy, nonracing Greyhounds for serum SDMA measurements. Results from Greyhounds were compared with serum SDMA concentrations measured in a group of non-sighthound dogs (n = 24) of similar weight, age, and sex, and with a previously established canine serum SDMA RI. RESULTS: The serum SDMA RI for Greyhounds was 6.3-19.9 μg/dL (0.31-0.99 μmol/L). Greyhounds had a significantly higher mean value (13.1 μg/dL) than that of the non-sighthound dogs (10.2 μg/dL) (P < .001), and the RI of Greyhounds was different from previously established canine RIs for SDMA. CONCLUSION: This study supports the use of a Greyhound-specific RI for SDMA. Using previously established canine RIs for this breed could result in the overdiagnosis of renal disease.
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ItemThe effect of recumbency position on the ultrasound measurement of the canine adrenal gland in non-adrenal gland illness(DOVE MEDICAL PRESS LTD, 2017)Abdominal ultrasound is frequently used to assess the canine adrenal gland (AG) and subjective and objective features of normal AGs have been described. The effect of the dogs' recumbency position on the accuracy of AG measurement acquisition is not known. This prospective study, performed in dogs with non-adrenal illness, compared ultrasonographic AG measurements made in dogs placed in dorsal recumbency with those made in left or right lateral recumbency. AG length, height and width measurements made in the longitudinal image plane, and height and width measurements from the transverse image plane were assessed. The level and limits of agreement between the dorsal and lateral recumbency for each of the measurements were determined using the Bland-Altman analysis. The measurement with the best agreement between the dorsal and lateral recumbency was the caudal pole thickness (CPT) from the longitudinal image plane. Agreement between lateral and dorsal recumbency was poorer for the measurements derived from the transverse image plane and poorest for measurements of AG length in the longitudinal plane. This study demonstrates that there is some difference in the measurements acquired in dorsal compared with lateral recumbency; however, the difference is small for the CPT from the longitudinal plane. This finding suggests that the CPT from the longitudinal image plane is the most reliable measurement in terms of agreement between dorsal and lateral recumbency in dogs with non-AG illness.
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ItemToxoplasmosis as a cause of life-threatening respiratory distress in a dog receiving immunosuppressive therapy(WILEY, 2019-05-01)Disseminated toxoplasmosis is a potentially fatal complication in dogs receiving immunosuppressive therapy, particularly if multiple immunosuppressive drugs are used. Toxoplasmosis should be considered if signs of acute respiratory or hepatic disease develop, and diagnosis would rely on demonstration of organisms via cytology or PCR rather than a single time-point serological assay.