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Radaelli ST Platt SR 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2002,16(2):159-163
The clinical records of 23 dogs (1990-1999) with histopathologically confirmed bacterial meningoencephalomyelitis were evaluated retrospectively. No breed, age, sex, or weight predisposition was found. All the dogs presented with clinical signs of a brain lesion, whereas 5 of 23 had neck pain. Pyrexia was detected in 11 of 23 dogs on admission. CBCs revealed neutrophilic leucocytosis in 7 of 21 dogs and thrombocytopenia in 3 of 21 dogs. The serum chemistry profiles were abnormal in 15 of 21 dogs. The results of cerebrospinal fluid (CSF) analysis were abnormal in 13 of 14 dogs and aerobic CSF culture was positive for bacteria in 1of 8 samples. At postmortem examination, the lesions were localized to the central nervous system. Escherichia coli, Streptococcus, and Klebsiella spp were the most frequently isolated bacteria from cultures collected at postmortem examination. Twelve papers reporting 51 total clinical cases of canine bacterial meningoencephalomyelitis were reviewed. The clinical signs and results of the CBC, serum chemistry, blood culture, and CSF analysis were collated and compared with those of this study. The results of the CSF analysis in this study were similar to those in the literature. CSF cultures documented in the literature were positive for Staphylococcus, Pasteurella. Actinomyces, Nocardia spp, and various anaerobic species including Peptostreptococcus, Eubacterium, and Bacteroides spp. 相似文献
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Ji-young Jung Eui-hwa Nam Seol-hee Park Seung-hee Han Cheol-yong Hwang 《Journal of veterinary science (Suw?n-si, Korea)》2013,14(2):199-205
In humans, skin barrier dysfunction is thought to be responsible for enhanced penetration of allergens. Similar to conditions seen in humans, canine atopic dermatitis (CAD) is characterized by derangement of corneocytes and disorganization of intercellular lipids in the stratum corenum (SC) with decreased ceramide levels. This study was designed to evaluate the effects of a moisturizer containing ceramide on dogs with CAD. Dogs (n = 20, 3~8 years old) with mild to moderate clinical signs were recruited and applied a moisturizer containing ceramide for 4 weeks. Transepidermal water loss (TEWL), skin hydration, pruritus index for canine atopic dermatitis (PICAD) scores, and canine atopic dermatitis extent and severity index (CADESI) scores of all dogs were evaluated. Skin samples from five dogs were also examined with transmission electron microscopy (TEM) using ruthenium tetroxide. TEWL, PICAD, and CADESI values decreased (p < 0.05) and skin hydration increased dramatically over time (p < 0.05). Electron micrographs showed that the skin barrier of all five dogs was partially restored (p < 0.05). In conclusion, these results demonstrated that moisturizer containing ceramide was effective for treating skin barrier dysfunction and CAD symptoms. 相似文献
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Erez Hanael Shelly Baruch Orit Chai Zohar Nir Kira Rapoport Marco Ruggeri Itzhak Eizenberg Dana Peery Alon Friedman Merav H. Shamir 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2022,36(2):702
BackgroundThe blood‐brain barrier (BBB), which separates the intravascular and neuropil compartments, characterizes the vascular bed of the brain and is essential for its proper function. Recent advances in imaging techniques have driven the development of methods for quantitative assessment of BBB permeability.Hypothesis/ObjectivesPermeability of the BBB can be assessed quantitatively in dogs with meningoencephalitis of unknown origin (MUO) and its status is associated with the occurrence of seizures.AnimalsForty dogs with MUO and 12 dogs without MUO.MethodsRetrospective, prospective cohort study. Both dynamic contrast enhancement (DCE) and subtraction enhancement analysis (SEA) methods were used to evaluate of BBB permeability in affected (DCE, n = 8; SEA, n = 32) and control dogs (DCE, n = 6; SEA, n = 6). Association between BBB dysfunction (BBBD) score and clinical characteristics was examined. In brain regions where BBBD was identified by DCE or SEA magnetic resonance imaging (MRI) analysis, immunofluorescent staining for albumin, glial fibrillary acidic protein, ionized calcium binding adaptor molecule, and phosphorylated mothers against decapentaplegic homolog 2 were performed to detect albumin extravasation, reactive astrocytes, activated microglia, and transforming growth factor beta signaling, respectively.ResultsDogs with BBBD had significantly higher seizure prevalence (72% vs 19%; P = .01) when compared to MUO dogs with no BBBD. The addition of SEA to routine MRI evaluation increased the identification rate of brain pathology in dogs with MUO from 50% to 72%.Conclusions and Clinical ImportanceImaging‐based assessment of BBB integrity has the potential to predict risk of seizures in dogs with MUO. 相似文献
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Erez Hanael Shelly Baruch Orit Chai Liron Lishitsky Tal Blum Kira Rapoport Marco Ruggeri Zahi Aizenberg Dana Peery Nina Meyerhoff Holger Andreas Volk Steven De Decker Andrea Tipold Wolfgang Baumgaertner Alon Friedman Merav Shamir 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2023,37(2):606-617
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Katrina L. Mealey DVM PhD DACVIM DACVCP John M. Gay DVM PhD DACVPM Linda G. Martin DVM MS DACVECC Denise K. Waiting LVT 《Journal of Veterinary Emergency and Critical Care》2007,17(1):61-66
Objective: To evaluate the hypothalamic–pituitary–adrenal (HPA) axis in MDR1‐1Δ (dogs with the MDR1 mutation associated with ivermectin sensitivity) and MDR1 wildtype dogs. Design: Prospective study. Setting: Institutional vivarium. Animals: Seven healthy Collie dogs. Measurements: MDR1 genotyping was used for allocation of dogs to 1 of 2 groups: dogs homozygous for the wildtype MDR1 allele (MDR1 wildtype) and those homozygous for the MDR1‐1Δ mutation (MDR1 mutant). Blood samples were obtained for determination of cortisol and adrenocorticotropin hormone (ACTH) concentrations under basal conditions, before and after ACTH administration, and before and after dexamethasone administration. Main results: Significant differences were identified between the MDR1 mutant and MDR1 wildtype groups. Basal plasma cortisol concentrations and cortisol concentrations after ACTH administration were significantly lower in MDR1 mutant dogs as compared with MDR1 wildtype dogs. Plasma ACTH concentrations after dexamethasone administration were significantly lower in MDR1 mutant dogs as compared with MDR1 wildtype dogs. Conclusions: Results suggest that P‐glycoprotein (P‐gp) plays a role in regulation of the HPA axis. Furthermore, it appears that the HPA axis in MDR1 mutant dogs that lack P‐gp is suppressed compared with MDR1 wildtype dogs. This finding may explain some clinical observations in breeds known to harbor the MDR1 mutation including Collies, Shelties, Australian Shepherds, and others. There is a clinical impression that many of these dogs have worse outcomes in response to stress and, at times, respond poorly to appropriate therapy. HPA axis suppression, secondary to the MDR1 mutation, could result in a relative adrenal insufficiency (RAI) state during times of stress or illness. Further studies are required to determine the relationship between the MDR1 genotype and RAI. 相似文献
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Effect of interleukin‐1β on occludin mRNA expression in the duodenal and colonic mucosa of dogs with inflammatory bowel disease
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Misato Ogawa Hironari Osada Ayana Hasegawa Hikaru Ohno Nanako Yanuma Kazuaki Sasaki Minoru Shimoda Junsuke Shirai Hirotaka Kondo Keitaro Ohmori 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2018,32(3):1019-1025
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Effect of early enteral nutrition on intestinal permeability, intestinal protein loss, and outcome in dogs with severe parvoviral enteritis 总被引:3,自引:0,他引:3
Mohr AJ Leisewitz AL Jacobson LS Steiner JM Ruaux CG Williams DA 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2003,17(6):791-798
A randomized, controlled clinical trial investigated the effect of early enteral nutrition (EN) on intestinal permeability, intestinal protein loss, and outcome in parvoviral enteritis. Dogs were randomized into 2 groups: 15 dogs received no food until vomiting had ceased for 12 hours (mean 50 hours after admission; NPO group), and 15 dogs received early EN by nasoesophageal tube from 12 hours after admission (EEN group). All other treatments were identical. Intestinal permeability was assessed by 6-hour urinary lactulose (L) and rhamnose (R) recoveries (%L, %R) and L/R recovery ratios. Intestinal protein loss was quantified by fecal alpha1-proteinase inhibitor concentrations (alpha1-PI). Median time to normalization of demeanor, appetite, vomiting, and diarrhea was 1 day shorter for the EEN group for each variable. Body weight increased insignificantly from admission in the NPO group (day 3: 2.5 +/- 2.8%; day 6: 4.3 +/- 2.3%; mean +/- SE), whereas the EEN group exhibited significant weight gain (day 3: 8.1 +/- 2.7%; day 6: 9.7 +/- 2.1%). Mean urinary %L was increased, %R reduced, and L/R recovery ratios increased compared to reference values throughout the study for both groups. Percent lactulose recovery decreased in the EEN group (admission: 22.6 +/- 8.0%; day 6: 17.9 +/- 2.3%) and increased in the NPO group (admission: 11.0 +/- 2.6%; day 6: 22.5 +/- 4.6%, P = .035). Fecal alpha1-PI was above reference values in both groups and declined progressively. No significant differences occurred for %R, L/R ratios, or alpha1-PI between groups. Thirteen NPO dogs and all EEN dogs survived (P = .48). The EEN group showed earlier clinical improvement and significant weight gain. The significantly decreased %L in the EEN versus NPO group might reflect improved gut barrier function, which could limit bacterial or endotoxin translocation. 相似文献
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V W Chaffee G T Edds J A Himes F C Neal 《American journal of veterinary research》1969,30(10):1737-1749
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