Professor Emeritus E. Wynn Jones MRCVS,FRCVS, PhD          下载免费PDF全文

RS Jones 《Veterinary anaesthesia and analgesia》2016,43(5)

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Evaluation of serum allergen-specific IgE for the diagnosis of food adverse reactions in the dog     

Mueller  & Tsohalis 《Veterinary dermatology》1998,9(3):167-171

A new monoclonal enzyme-linked immunoassay (ELISA; CMG IMMUNODOT, Fribourg, Switzerland) measuring food antigen-specific serum IgE was used in an attempt to investigate food allergen-specific IgE in dogs. The serum of eight dogs with clinically proven adverse reactions to specific proteins was tested for beef, cow's milk, pork, lamb, hen's egg, soybean, fish mix (cod/sole), peanut, maize and wheat flour. The control group consisted of three healthy dogs, three dogs with nonallergic skin disease, two dogs with atopy, a cat and a horse. Only three mild positive reactions to beef, lamb and peanut, respectively, were found in this study; the sera were from two control dogs with the clinical diagnosis of dermatophytosis and atopy. None of the animals with confirmed food adverse reactions showed positive reactions. This study indicates that the diagnosis of food adverse reactions in the dog by measuring allergen-specific IgE with the used mononuclear ELISA is unreliable.  相似文献   

The efficacy of commercially available veterinary diets recommended for dogs with atopic dermatitis     

Glos K  Linek M  Loewenstein C  Mayer U  Mueller RS 《Veterinary dermatology》2008,19(5):280-287

The classical treatments for dogs with atopic dermatitis have traditionally been oral antipruritic drugs, allergen-specific immunotherapy and topical therapy. Fifty dogs with atopic dermatitis were included in this multicentred, double-blinded, randomized study to compare clinical response to an 8-week period of feeding one of three commercial veterinary foods marketed for dogs with atopic dermatitis (diets A-C) or a widely distributed supermarket food (diet D). Atopic dermatitis was diagnosed using Willemse's criteria and through the exclusion of differential diagnoses. Fourteen dogs were assigned to diet A and 12 dogs each to diet B, C or D. Flea and tick control using a monthly fipronil spot-on product was administered for a minimum of 4 weeks prior to inclusion in the study and during the study period. Evaluations were made monthly. These included lesion scores, using an established scoring system (canine atopic dermatitis extent and severity index, CADESI-03) and owner evaluation of pruritus level using a visual analogue scale. After 8 weeks on the new diets, there was a significant improvement in CADESI and pruritus scores with diet B (Wilcoxon test, P = 0.043 and paired t-test, P = 0.012, respectively), in pruritus scores with diet A (paired t-test, P = 0.019) and in CADESI scores with diet D (Wilcoxon test, P = 0.037). No significant changes were detected with diet C. Based on the results of this study, in addition to the conventional therapies, changing the diet of dogs with atopic dermatitis may be a useful adjunctive therapeutic measure.  相似文献   

Symmetrical onychomadesis in Norwegian Gordon and English setters     

Ziener ML  Bettenay SV  Mueller RS 《Veterinary dermatology》2008,19(2):88-94

This study reports the condition onychomadesis affecting multiple claws in Norwegian Gordon and English setters. Medical records of and claw biopsies from 18 Gordon and four English setters with onychomadesis of multiple claws were obtained from July 2005 to January 2007. Only dogs with symmetrical onychomadesis and no signs of concurrent disease were included. Histopathological features varied between dogs, but typically included interface dermatitis with subepidermal cleft formation, pigment incontinence, basal cell vacuolization and necrosis, spongiosis and lymphocytic exocytosis, a lymphocytic, plasmacytic subepidermal inflammation, and fibroplasia. In two dogs, histopathological signs of a superficial infection were present. The age of onset of disease varied between 2 and 7 years with a mean of 3.9 years, and was not correlated with vaccination time. Six of the affected dogs also had siblings with the disease. Due to the close relationship of the affected dogs, pedigree map analysis was not possible. Three dogs were euthanized because of the disease and two had regrowth of normal claws. Seventeen dogs had persistent onychodystrophy that typically was nonpainful during therapy which in most dogs consisted of fatty acid supplementation or prednisolone.  相似文献   

Comparison of tibial plateau angles in dogs with unilateral versus bilateral cranial cruciate ligament rupture: 150 cases (2000-2006)     

Cabrera SY  Owen TJ  Mueller MG  Kass PH 《Journal of the American Veterinary Medical Association》2008,232(6):889-892

OBJECTIVE: To compare tibial plateau angle (TPA) in dogs with unilateral versus bilateral cranial cruciate ligament (CCL) rupture, to compare right versus left TPA in dogs with bilateral CCL rupture, and to determine whether TPA can be used to predict whether a dog with unilateral CCL rupture would subsequently rupture the contralateral CCL. DESIGN: Retrospective case series. ANIMALS: 150 dogs with unilateral (n=58) or bilateral (92) CCL rupture. PROCEDURES: Medical records were reviewed and TPA was recorded. Dogs with unilateral CCL rupture that were not known to have ruptured the contralateral ligament were followed up for a minimum of 2 years. RESULTS: Dogs with unilateral CCL rupture were significantly older (median, 7.0 years) than dogs with bilateral CCL rupture (median, 4.5 years). Median TPA for dogs with unilateral CCL rupture (26 degrees) was not significantly different from median TPA for dogs with bilateral rupture (27 degrees in both the right and left limbs), and right and left TPAs were not significantly different in dogs with bilateral CCL rupture. There was no correlation between TPA and the time interval between diagnosis of the initial and subsequent CCL ruptures in dogs with bilateral CCL rupture. CONCLUSION AND CLINICAL RELEVANCE: Results suggested that TPA in the range studied (mostly<35 degrees) was not a useful predictor of contralateral CCL rupture among dogs with unilateral CCL rupture, although age may be a risk factor for development of bilateral CCL rupture. The incidence of bilateral CCL rupture may be higher than previously reported.  相似文献   

Pathologic lesions of mycotic pneumonia in an alpaca following third compartment ulceration     

Katherine Hughes  Karin Mueller 《Journal of veterinary diagnostic investigation》2008,20(5):672-675

A 4-year-old female alpaca was referred to The Queen's Veterinary School Hospital (Cambridge, United Kingdom) with a history of abortion 6 days previous, at approximately 245 days in gestation. The patient had developed watery diarrhea 24 hr after abortion and exhibited bruxism, progressive depression, and ultimately collapse. On presentation to the referral institute, the alpaca was unable to stand and exhibited severe tachypnea, dyspnea, and tachycardia. The patient was considered to be moribund and was euthanized. Macroscopic postmortem assessment and subsequent histological investigations revealed multifocal ulceration of the third gastric compartment, with vascular mycotic invasion and disseminated multifocal embolic mycotic pneumonia. Real-time polymerase chain reaction targeting the large ribosomal subunit (28S) performed on paraffin-embedded lung tissue successfully amplified 28S RNA specific for Aspergillus species. The primary cause of the depression and collapse of this animal was considered to be a combination of respiratory compromise due to severe embolic mycotic pneumonia and endotoxic shock associated with the ulcerative gastritis of the third gastric compartment. To the authors' knowledge, this is the first report of ulcerative gastritis of the third gastric compartment histologically illustrated as a portal of entry for Aspergillus species causing embolic mycotic pneumonia in an alpaca.  相似文献   

Expression and regulation of cyclooxygenase-2 in normal and neoplastic canine keratinocytes     

N. Pronovost  M. M. Suter  E. Mueller  J. Sirois  M. Doré 《Veterinary and comparative oncology》2004,2(4):222-233

Squamous cell carcinoma (SCC) is one of the most common cancers in dogs, yet relatively little is known about the molecular events involved in its development. Increasing evidence implicates cyclooxygenase‐2 (COX‐2) in the pathogenesis of various cancers in humans and animals. COX‐2 overexpression has recently been demonstrated in canine SCCs. The objective of our study was to characterize the expression and regulation of COX‐2 in normal and neoplastic canine keratinocytes (CKs) to provide an in vitro system to investigate the implication of COX‐2 in SCC oncogenesis in dogs. Cell lines derived from normal CKs and neoplastic CKs (SCCs) were cultured in the absence or presence of agonists, and immunoblots, immunocytochemistry, radioimmunoassays and a cell proliferation assay were used to characterize COX‐2 expression and action. Results showed that neoplastic keratinocytes had a higher basal COX‐2 expression than normal keratinocytes. In both cell lines, stimulation with the tumour promoter phorbol 12‐myristate 13‐acetate induced a time‐dependent increase in COX‐2 protein, with COX‐2 induction being stronger in cancerous SCC than in normal CK cells. Moreover, SCC cells produced significantly more PGE₂ than CK cells, under both baseline and stimulated conditions (P < 0.05). NS‐398, a selective COX‐2 inhibitor, inhibited prostaglandin (PG)E₂ synthesis and decreased proliferation of CK and SCC cells (P < 0.05). Collectively, our results indicate that the canine neoplastic keratinocyte SCC cell line expresses more COX‐2 and produces more PGE₂ than the normal keratinocyte CK cell line, thus providing an in vitro system to study the molecular basis of elevated COX‐2 expression in SCCs in dogs.  相似文献   

Evidence-based treatment for demodicosis     

Mueller RS 《Australian veterinary journal》2004,82(8):489-489

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FC‐36
The use of immunostimulatory bacterial DNA sequences in allergen‐specific immunotherapy of canine atopic dermatitis     

R. S. Mueller  J. Veir  K. V. Fieseler  S. Dow 《Veterinary dermatology》2004,15(Z1):32-32

The purpose of this study was to evaluate a combination of immunostimulatory bacterial DNA sequences and allergen‐specific immunotherapy for the treatment of canine atopic dermatitis. Seven dogs with nonseasonal atopic dermatitis diagnosed by history, clinical signs and exclusion of differential diagnoses were included. All dogs had been on allergen‐specific immunotherapy for at least 12 months with incomplete responses, were on additional antipruritic therapy and showed residual pruritus. Pruritus was marked by the owner on a visual analogue scale, lesions were determined by a clinician using the Canine Atopic Dermatitis Extent and Severity Index (CADESI), and concurrent medications were recorded before entering the study and after 14 weeks of treatment. Peripheral blood mononuclear cells were isolated and cultured; canine cytokine message for IFNγ, IL‐4, TNF and IL‐10 was quantitated using RT‐PCR. A mixture of allergen extract and liposome‐DNA complexes was injected intradermally at the beginning of the study and after 2, 4, 6, 10 and 14 weeks. CADESI, pruritus and medication scores, and cytokine messages at the beginning and end of the study were compared with a paired t‐test. There were significant improvements in pruritus scores (P = 0.0277). Reductions in medication scores and CADESI were not statistically significant. IL‐4 production decreased significantly (P = 0.0428); decreases in other cytokines were not significant. Although the number of dogs in this pilot study was small, the results warrant further investigation of a combination of immunostimulatory bacterial DNA sequences and allergen‐specific immunotherapy for the treatment of canine atopic dermatitis. Funding: Self‐funded.  相似文献   

Cutaneous atypical mycobacteriosis due to Mycobacterium massiliense in a cat     

Albini S  Mueller S  Bornand V  Gutzwiller ME  Burnand C  Hüssy D  Abril C  Reitt K  Korczak BM  Miserez R 《Schweizer Archiv für Tierheilkunde》2007,149(12):553-558

Fast growing mycobacteria are saprophytic bacteria that prevail in water and soil. They are opportunistic pathogens and may cause various infections if gaining entry into the body through a trauma. We herein describe the clinical presentation, pathology and diagnosis of the first case of cutaneous atypical mycobacteriosis due to Mycobacterium massiliense in a cat.  相似文献