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Journal of Veterinary Internal Medicine

Lauren E Markovic, Brian A Scansen
BACKGROUND: Different methods to perform reference calibration of an angiographic image exist; however, a prospective comparison of calibration methods has yet to be investigated in veterinary medicine. OBJECTIVE: To compare angiographic measurements using two commonly employed reference calibration methods, an esophageal pigtail marker catheter (EC) versus a radiopaque table ruler (TR). ANIMALS: Thirty-five client-owned dogs undergoing transcatheter intervention...
March 12, 2018: Journal of Veterinary Internal Medicine
Niek Jozef Beijerink, Wilhelmina Bergmann, Viktor Szatmári
An 18-month-old male Akita Inu dog developed fever and lameness 8 months after successful transcatheter closure of a patent ductus arteriosus with an Amplatz Canine Duct Occluder (ACDO). Corynebacterium species were cultured from 3 blood samples. Echocardiography showed a vegetative process on the aortic valves. The dog died spontaneously 3 days after development of the initial signs. Necropsy confirmed the presence of bacterial ductal arteritis and myocarditis, and revealed an incomplete endothelialization of the intraductal metal implant...
March 10, 2018: Journal of Veterinary Internal Medicine
Meredyth L Jones, Brandon J Dominguez, Michael A Deveau
BACKGROUND: Calcium carbonate is a common urolith type in small ruminants with no high-yield experimental model to evaluate animal susceptibility or preventative measure response. HYPOTHESIS: That novel plastic winged implants would allow accumulation and quantification of calcium carbonate calculus formation in goats on a high-calcium diet and identify individual variation between goats in the mass of calculi produced. ANIMALS: Eight nonpregnant 3- and 4-year-old Boer-cross does, weighing 22...
March 10, 2018: Journal of Veterinary Internal Medicine
Michael Bennaim, Robert E Shiel, Christopher Forde, Carmel T Mooney
BACKGROUND: Dogs with hyperadrenocorticism (HAC) may be more mildly affected at the time of diagnosis today, which could influence the prevalence of associated clinical and clinicopathological abnormalities and diagnostic test performance. Different low-dose dexamethasone suppression test (LDDST) result patterns have not been evaluated individually. OBJECTIVES: To assess the current features of HAC and evaluate if the diagnostic test performance of individual LDDST result patterns differ...
March 2, 2018: Journal of Veterinary Internal Medicine
S Secrest, A Sharma, A Bugbee
BACKGROUND: Diabetes mellitus (DM) is a common endocrinopathy in cats. No known diagnostic test or patient characteristic at the time of diagnosis can predict likely disease course, unlike in people in whom computed tomographic angiography (CTA) is used. No published data exist regarding the CTA appearance of the pancreas in cats with DM, and thus, it is unknown what if any CTA variables should be further assessed for associations with pancreatic endocrine function. HYPOTHESIS/OBJECTIVES: A significant difference in pancreatic attenuation, volume, and size will be identified between normal cats and those with chronic DM on CTA...
March 2, 2018: Journal of Veterinary Internal Medicine
Esther Willemijn Siegers, Milou Anthonisse, Frank J C M van Eerdenburg, Jan van den Broek, Inge M Wouters, Cornélie Martine Westermann
BACKGROUND: Organic dust is associated with Equine asthma. Ionization should reduce airborne dust levels. OBJECTIVES: To determine the effect of ionization of air, type of bedding, and feed on the levels of airborne dust, endotoxin, and fungal colonies in horse stables. ANIMALS: 24 healthy University-owned horses occupied the stables. METHODS: A randomized controlled cross-over study. Four units with 6 stables were equipped with an ionization installation (25 VA, 5000 Volt Direct Current)...
February 27, 2018: Journal of Veterinary Internal Medicine
Steven G Friedenberg, Daniella Vansteenkiste, Oriana Yost, Amy E Treeful, Kathryn M Meurs, Debra A Tokarz, Natasha J Olby
BACKGROUND: We aimed to identify mutations associated with osteochondromatosis in a litter of American Staffordshire Terrier puppies. HYPOTHESIS: We hypothesized that the associated mutation would be located in a gene that causes osteochondromatosis in humans. ANIMALS: A litter of 9 American Staffordshire puppies, their sire and dam, 3 of 4 grandparents, 26 healthy unrelated American Staffordshire Terriers, and 154 dogs of 27 different breeds...
February 27, 2018: Journal of Veterinary Internal Medicine
Chantel Raghu, Joanne Ekena, John M Cullen, Craig B Webb, Lauren A Trepanier
BACKGROUND: Serum interleukin 6 (IL-6), chemokine ligand 2 (CCL2), C-reactive protein (CRP), and the ratio of aspartate transaminase to alanine transaminase (AST:ALT) have been correlated with fibrosis and necroinflammatory activity in humans with various hepatopathies. HYPOTHESIS/OBJECTIVES: To determine whether increases in serum IL-6, CCL2, CRP, or AST:ALT were associated with moderate to severe fibrosis or necroinflammatory activity in dogs with various hepatopathies...
February 27, 2018: Journal of Veterinary Internal Medicine
Jennifer M Loewen, Rachel E Cianciolo, Liwen Zhang, Michael Yaeger, Jessica L Ward, Jodi D Smith, Dana N LeVine
Thymoma-associated nephropathies have been reported in people but not in dogs. In this report, we describe a dog with thymoma and concurrent renal amyloidosis. A 7-year-old castrated male Weimaraner was presented for progressive anorexia, lethargy, and tachypnea. The dog was diagnosed with azotemia, marked proteinuria, and a thymoma that was surgically removed. Postoperatively, the dog developed a large left ventricular thrombus and was euthanized. Necropsy confirmed the presence of a left ventricular thrombus and histopathology revealed renal amyloidosis...
February 27, 2018: Journal of Veterinary Internal Medicine
D Ito, C Ishikawa, N D Jeffery, K Ono, M Tsuboi, K Uchida, O Yamato, M Kitagawa
A 13-month-old female Toy Poodle was presented for progressive ataxia and intention tremors of head movement. The diagnosis of Sandhoff's disease (GM2 gangliosidosis) was confirmed by deficient β-N-acetylhexosaminidase A and B activity in circulating leukocytes and identification of the homozygous mutation (HEXB: c.283delG). White matter in the cerebrum and cerebellum was hyperintense on T2-weighted and fluid-attenuated inversion recovery magnetic resonance images. Over the next 2 years, the white matter lesions expanded, and bilateral lesions appeared in the cerebellum and thalamus, associated with clinical deterioration...
February 25, 2018: Journal of Veterinary Internal Medicine
C Best, J B Coe, J Hewson, M Meehan, D Kelton
BACKGROUND: Little is known about the veterinary referral process and factors that contribute to positive outcomes. OBJECTIVE: To investigate equine referring veterinarians' (rDVMs') satisfaction with their most recent referral experience and compare rDVM and specialist perspectives. SAMPLE: 187 rDVMs and 92 specialists (referral care providers). METHODS: Cross-sectional observational study. An online survey was administered to both rDVMs and specialists...
February 22, 2018: Journal of Veterinary Internal Medicine
D H N Van den Broek, R F Geddes, T L Williams, Y-M Chang, J Elliott, R E Jepson
BACKGROUND: Hypercalcemia is commonly associated with chronic kidney disease (CKD) in cats. OBJECTIVES: To explore the calcitonin response to naturally occurring ionized hypercalcemia in cats with azotemic CKD, and to assess the relationship of plasma calcitonin with ionized calcium, alkaline phosphatase (ALP), and urinary calcium excretion. ANIMALS: Thirty-three client-owned cats with azotemic CKD and ionized hypercalcemia from first opinion practice...
February 22, 2018: Journal of Veterinary Internal Medicine
K Takada, C A Palm, S E Epstein, L D Cowgill
BACKGROUND: Renal replacement therapies can be life-saving for dogs with severe acute kidney injury (AKI), however, comorbidities including pancreatitis might affect outcome. HYPOTHESIS/OBJECTIVES: To investigate the prevalence of pancreas-specific lipase (Spec cPL) measurements consistent with pancreatitis (≥400 μg/L) in dogs undergoing intermittent hemodialysis (IHD) for treatment of AKI and to determine whether there were associations between 30-days outcomes and Spec cPL measurements...
February 22, 2018: Journal of Veterinary Internal Medicine
J A Cartwright, A G Gow, E Milne, D Drummond, S Smith, I Handel, R J Mellanby
BACKGROUND: There is growing evidence linking low blood vitamin D concentration to numerous diseases in people and in dogs. Vitamin D influences cellular function by signaling through the vitamin D receptor (VDR). Little is known about which non-skeletal tissues express the VDR or how inflammation influences its expression in the dog. OBJECTIVES: To define which non-skeletal canine tissues express the VDR and to investigate expression in inflamed small intestine...
February 22, 2018: Journal of Veterinary Internal Medicine
L A Thornton, R K Burchell, S E Burton, N Lopez-Villalobos, D Pereira, I MacEwan, C Fang, A C Hatmodjo, M A Nelson, A Grinberg, N Velathanthiri, A Gal
BACKGROUND: Lower urinary tract infections are common in dogs, and Escherichia coli is the most common bacterial pathogen isolated. The literature has conflicting evidence regarding the inhibitory effects of urine concentration and pH on E. coli growth. HYPOTHESIS/OBJECTIVES: To determine the effect of different pH and urine concentrations on E. coli growth in vitro. ANIMALS: Voided urine samples from 10 apparently healthy spayed female dogs were used...
February 22, 2018: Journal of Veterinary Internal Medicine
M A Kopke, R K Burchell, C G Ruaux, S E Burton, N Lopez-Villalobos, A Gal
BACKGROUND: Symmetric dimethylarginine (SDMA) is a screening tool for early kidney dysfunction and monitoring treatment in cases of chronic kidney disease (CKD). There are no current studies describing the suitability of this test for use with published population-based reference intervals. HYPOTHESIS/OBJECTIVES: To determine the components of biological variability, the index of individuality (IOI), the critical difference between sequential measurements (CD ) and the number of measurements required to assess the homeostatic set point (HSP), for both SDMA and serum creatinine (sCr), in apparently healthy dogs...
February 22, 2018: Journal of Veterinary Internal Medicine
T M Sørensen, C R Bjørnvad, G Cordoba, P Damborg, L Guardabassi, V Siersma, L Bjerrum, L R Jessen
BACKGROUND: Clinical signs of urinary tract disease in dogs often lead to prescription of antibiotics. Appropriate diagnostic work-up could optimize treatment and reduce the risk of inappropriate use of antibiotics. HYPOTHESIS/OBJECTIVES: To describe and evaluate the impact of diagnostic work-up on decision to treat (DTT) and choice of antibiotic treatment (COT) for dogs presenting with clinical signs of urinary tract disease. ANIMALS: One hundred and fifty-one dogs presenting to 52 Danish veterinary practices...
February 22, 2018: Journal of Veterinary Internal Medicine
T J Divers, R B Gardner, J E Madigan, S G Witonsky, J J Bertone, E L Swinebroad, S E Schutzer, A L Johnson
Borrelia burgdorferi infection is common in horses living in Lyme endemic areas and the geographic range for exposure is increasing. Morbidity after B. burgdorferi infection in horses is unknown. Documented, naturally occurring syndromes attributed to B. burgdorferi infection in horses include neuroborreliosis, uveitis, and cutaneous pseudolymphoma. Although other clinical signs such as lameness and stiffness are reported in horses, these are often not well documented. Diagnosis of Lyme disease is based on exposure to B...
February 22, 2018: Journal of Veterinary Internal Medicine
Amy L Johnson, Laura K Johnstone, Darko Stefanovski
BACKGROUND: The accuracy of the Lyme multiplex assay for the diagnosis of neuroborreliosis in horses is unknown. HYPOTHESIS/OBJECTIVES: To describe Lyme multiplex results in horses with a postmortem diagnosis of neuroborreliosis. The hypothesis was that paired serum and cerebrospinal fluid (CSF) results and a CSF : serum ratio would allow differentiation of horses with neuroborreliosis from those with other neurologic diseases. ANIMALS: Ninety horses that had neurologic examinations, serum and CSF Lyme multiplex analyses, and postmortem examination of the nervous system performed...
February 20, 2018: Journal of Veterinary Internal Medicine
Jenifer R Gold, Donald P Knowles, Todd Coffey, Warwick M Bayly
BACKGROUND: Exercise-induced pulmonary hemorrhage (EIPH) refers to bleeding from the lungs in association with strenuous exercise. It has been documented in race horses but little information exists on EIPH in barrel racing horses. HYPOTHESIS/OBJECTIVES: Our goals were to evaluate the presence of EIPH in barrel racing horses and estimate its prevalence in the Pacific Northwest. ANIMALS: 149 barrel racing horses enrolled at events in WA (11), ID (3), and MT (33)...
February 20, 2018: Journal of Veterinary Internal Medicine
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