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Dog otitis

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https://www.readbyqxmd.com/read/29885800/malassezia-pachydermatis-from-animals-planktonic-and-biofilm-antifungal-susceptibility-and-its-virulence-arsenal
#1
Raimunda Sâmia Nogueira Brilhante, Maria Gleiciane da Rocha, Glaucia Morgana de Melo Guedes, Jonathas Sales de Oliveira, Géssica Dos Santos Araújo, Jaime David Acosta España, Jamille Alencar Sales, Lara de Aguiar, Manoel de Araújo Neto Paiva, Rossana de Aguiar Cordeiro, Waldemiro de Aquino Pereira-Neto, Adriana de Queiroz Pinheiro, José Júlio Costa Sidrim, Débora de Souza Collares Maia Castelo-Branco, Marcos Fábio Gadelha Rocha
The yeast Malassezia pachydermatis is a component of the microbiota of dogs and cats, however it can cause otitis and seborrheic dermatitis in these animals. The objective of this study was to determine the antifungal susceptibility, and evaluate virulence and pathogenicity of 25 M. pachydermatis strains from animals. Susceptibility to ketoconazole, fluconazole, itraconazole, voriconazole, terbinafine, and amphotericin B was evaluated by broth microdilution assay. In addition, biofilm-forming ability, protease, phospholipase, hemolysin and melanin production and adhesion to epithelial cells by this yeast species were assessed...
July 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29851309/description-of-a-new-approach-for-great-auricular-and-auriculotemporal-nerve-blocks-a-cadaveric-study-in-foxes-and-dogs
#2
Thaleia-Rengina Stathopoulou, Rui Pinelas, Gert Ter Haar, Ine Cornelis, Jaime Viscasillas
Otitis externa is a painful condition that may require surgical intervention in dogs. A balanced analgesia protocol should combine systemic analgesic agents and local anaesthesia techniques. The aim of the study was to find anatomical landmarks for the great auricular and the auriculotemporal nerves that transmit nociceptive information from the ear pinna and to develop the optimal technique for a nerve block. The study consisted of two phases. In phase I, one fox cadaver was used for dissection and anatomical localization of the auricular nerves to derive landmarks for needle insertion...
May 2018: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29788991/bilateral-tympanokeratomas-cholesteatomas-with-bilateral-otitis-media-unilateral-otitis-interna-and-acoustic-neuritis-in-a-dog
#3
Liv Østevik, Kathrine Rudlang, Tuva Holt Jahr, Mette Valheim, Bradley Lyndon Njaa
BACKGROUND: An aural cholesteatoma, more appropriately named tympanokeratoma, is an epidermoid cyst of the middle ear described in several species, including dogs, humans and Mongolian gerbils. The cyst lining consists of stratified, keratinizing squamous epithelium with central accumulation of a keratin debris. This case report describes vestibular ganglioneuritis and perineuritis in a dog with chronic otitis, bilateral tympanokeratomas and presumed extension of otic infection to the central nervous system...
May 22, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29750111/demography-and-disorders-of-the-french-bulldog-population-under-primary-veterinary-care-in-the-uk-in-2013
#4
Dan G O'Neill, Lauren Baral, David B Church, Dave C Brodbelt, Rowena M A Packer
Background: Despite its Gallic name, the French Bulldog is a breed of both British and French origin that was first recognised by The Kennel Club in 1906. The French Bulldog has demonstrated recent rapid rises in Kennel Club registrations and is now (2017) the second most commonly registered pedigree breed in the UK. However, the breed has been reported to be predisposed to several disorders including ocular, respiratory, neurological and dermatological problems. The VetCompass™ Programme collates de-identified clinical data from primary-care veterinary practices in the UK for epidemiological research...
2018: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/29704942/identification-of-staphylococcus-epidermidis-with-transferrable-mupirocin-resistance-from-canine-skin
#5
C C Rossi, B A B Salgado, E M Barros, P A de Campos Braga, M N Eberlin, W Lilenbaum, M Giambiagi-deMarval
Resistance to mupirocin was analysed in Staphylococcus spp. isolated from healthy dogs (n=21) and dogs with pyoderma (n=47) or otitis externa (n=52). Isolates were identified to species level by MALDI-TOF and PCR-RFLP of the groEL gene. One isolate of Staphylococcus epidermidis from the skin of a healthy dog, which harboured a plasmid carrying the mupA gene, was resistant to mupirocin.
May 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29659020/surgical-management-of-chronic-otitis-secondary-to-craniomandibular-osteopathy-in-three-west-highland-white-terriers
#6
L Beever, F Swinbourne, S L Priestnall, G Ter Haar, D J Brockman
Three West Highland white terriers were presented for investigation of left-sided para-aural abscessation. CT revealed chronic otitis media with extensive osseous proliferation surrounding the horizontal and vertical ear canals contiguous with the expanded temporal bone, consistent with a unilateral variant of craniomandibular osteopathy. A left total ear canal ablation with lateral bulla osteotomy was performed in all dogs. An ultrasonic bone curette (Sonopet; Stryker) proved useful when removing the osseous proliferation in two dogs...
April 16, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29575185/identification-of-vim-2-metallo-%C3%AE-lactamase-producing-pseudomonas-aeruginosa-isolated-from-dogs-with-pyoderma-and-otitis-in-korea
#7
Jae-Eun Hyun, Tae-Ho Chung, Cheol-Yong Hwang
BACKGROUND: Pseudomonas aeruginosa is a challenging pathogen cultured from cases of acute and chronic canine otitis and sometimes in cases of deep pyoderma. The spread of antimicrobial resistance, especially carbapenem resistance, is a serious therapeutic challenge worldwide. HYPOTHESIS/OBJECTIVES: To investigate the identification and characterization of resistant P. aeruginosa clinical canine isolates. MATERIALS: Clinical isolates (n = 80) were collected from dogs with pyoderma (n = 18) and otitis (n = 62) in Korea...
March 25, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29466046/impact-of-synthetic-canine-cerumen-on-in-vitro-penetration-of-auricular-skin-of-dogs-by-florfenicol-terbinafine-and-betamethasone-acetate
#8
Sarah Ehling, Ronald E Baynes, Wolfgang Bäumer
OBJECTIVE To determine the pharmacokinetics of florfenicol, terbinafine, and betamethasone acetate after topical application to canine auricular skin and the influence of synthetic canine cerumen on pharmacokinetics. SAMPLE Auricular skin from 6 euthanized shelter dogs (3 females and 3 neutered males with no visible signs of otitis externa). PROCEDURES Skin adjacent to the external opening of the ear canal was collected and prepared for use in a 2-compartment flow-through diffusion cell system to evaluate penetration of an otic gel containing florfenicol, terbinafine, and betamethasone acetate over a 24-hour period...
March 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29374119/how-to-treat-pseudomonas-otitis-in-dogs
#9
Natalie Barnard, Aiden Foster
No abstract text is available yet for this article.
January 27, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29339329/pituitary-size-alteration-and-adverse-effects-of-radiation-therapy-performed-in-9-dogs-with-pituitary-dependent-hypercortisolism
#10
Harumi Sawada, Akihiro Mori, Peter Lee, Shiho Sugihara, Hitomi Oda, Toshinori Sako
The purpose of this study was to determine the therapeutic and/or adverse effects of radiation therapy (RT) against pituitary tumors in dogs with pituitary-dependent hypercortisolism, as monitored by frequent post-RT detailed MRI examinations, clinical signs, and changes in hormone concentrations. Nine dogs with an adrenocorticotropic hormone (ACTH)-secreting pituitary mass diagnosed by magnetic resonance imaging (MRI) underwent RT for 4weeks (total of 48Gy in 4-Gy fractions). Pituitary height/brain area (P/B) value, clinical signs, basal plasma ACTH concentrations, serum cortisol concentrations (pre- and post-ACTH stimulation test) and adverse effects of RT were evaluated before and post-RT...
June 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29322531/a-study-to-evaluate-the-primary-causes-associated-with-pseudomonas-otitis-in-60-dogs
#11
S Paterson, W Matyskiewicz
OBJECTIVES: To evaluate the primary causes, age of onset and time from diagnosis of otitis to development of Pseudomonas otitis in each case. MATERIALS AND METHODS: Data from clinical records of 60 dogs were extracted to address the study objectives. Pseudomonas otitis was diagnosed by clinical signs and positive culture. RESULTS: In total, 57 purebred dogs and three crossbreed dogs were included: 32 dogs had unilateral and 28 bilateral disease...
April 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29231979/otitis-media-with-effusion-in-the-boxer-a-report-of-seven-cases
#12
S Paterson
The aim of this study was to describe otitis media with effusion in seven boxers. All dogs presented with a range of clinical signs, which included head shaking, neurological dysfunction, pain on opening of the mouth and reduction in hearing ability. Otitis media was confirmed under general anaesthesia in each case by video-otoscopic identification of a bulging pars tensa and subsequent myringotomy, which revealed a tenacious mucus plug within the middle ear. Brainstem auditory evoked response thresholds were elevated in all affected ears...
December 12, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29213272/host-responses-to-malassezia-spp-in-the-mammalian-skin
#13
REVIEW
Florian Sparber, Salomé LeibundGut-Landmann
The skin of mammalian organisms is home for a myriad of microbes. Many of these commensals are thought to have beneficial effects on the host by critically contributing to immune homeostasis. Consequently, dysbiosis can have detrimental effects for the host that may manifest with inflammatory diseases at the barrier tissue. Besides bacteria, fungi make an important contribution to the microbiota and among these, the yeast Malassezia widely dominates in most areas of the skin in healthy individuals. There is accumulating evidence that Malassezia spp...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29201384/rottweilers-under-primary-veterinary-care-in-the-uk-demography-mortality-and-disorders
#14
Dan G O'Neill, Wee Yin Seah, David B Church, Dave C Brodbelt
Background: Rottweilers are reportedly predisposed to many disorders but accurate prevalence information relating to the general population are lacking. This study aimed to describe demography, mortality and commonly recorded diseases in Rottweilers under UK veterinary care. Clinical health records within the VetCompass Programme were explored for disorders recorded during 2013. Results: Rottweilers comprised 5321 (1.17%) of 455,557 dogs attending 304 clinics. Annual proportional birth rates dropped from 1...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/29194857/computed-tomographic-characteristics-of-pneumolabyrinth-in-a-french-bulldog-with-otitis-media-and-externa
#15
Audrey Belmudes, Jérôme Couturier, Guillaume Gory, Eddy Cauvin, Guillaume Condamin, Michael Rabillard, Delphine Rault
A four-year-old female French bulldog was presented for evaluation of acute, left-sided peripheral vestibular syndrome. Computed tomographic (CT) examination of the head revealed the presence of air within the left cochlea and vestibule, consistent with pneumolabyrinth. This was concurrent with ipsilateral otitis media and externa. Pneumolabyrinth is an uncommon finding in humans and is most frequently due to head trauma and temporal bone fracture. This is the first report describing pneumolabyrinth in a dog, apparently of nontraumatic origin in this case...
December 1, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29177053/evaluation-of-a-single-administration-ototopical-treatment-for-canine-otitis-externa-a-randomised-trial
#16
John Blake, Daniel Keil, Kenneth Kwochka, Kathleen Palma, Jennifer Schofield
Objective: To evaluate the efficacy and safety of a new, single-administration Otic Solution containing florfenicol, terbinafine and mometasone furoate for the treatment of canine otitis externa (OE). Design: The clinical efficacy and safety study was a multicentre, controlled, masked and randomised field study conducted over 30 days. Two hundred and twenty-one (221) client-owned dogs of varying breeds with diagnosed bacterial and/or fungal OE were enrolled. Procedure: Dogs were randomised to either Otic Solution or control groups...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/29165345/activity-in-vitro-of-clotrimazole-against-canine-methicillin-resistant-and-susceptible-staphylococcus-pseudintermedius
#17
Sian-Marie Frosini, Ross Bond
Emergence of multidrug-resistance in Staphylococcus pseudintermedius (SP) has increased interest in topical therapy as an alternative to systemic antibiotics in canine pyoderma. The antifungal imidazole, clotrimazole, is contained in numerous licensed canine ear preparations. Its in vitro activity against SP has not been evaluated, although previous studies have shown that the related imidazole, miconazole, has significant anti-staphylococcal efficacy. We therefore determined minimum inhibitory concentrations (MICs) of clotrimazole amongst 50 SP isolates (25 methicillin-resistant [MR]SP and susceptible [MS]SP) collected from dogs in Germany during 2010-2011 using an agar dilution method (CLSI VET01-A4)...
November 22, 2017: Antibiotics
https://www.readbyqxmd.com/read/29103693/clonal-distribution-of-methicillin-resistant-staphylococcus-pseudintermedius-isolates-from-skin-infection-of-dogs-in-korea
#18
Jung-Hun Kang, Tae-Ho Chung, Cheol-Yong Hwang
Bacterial infection by methicillin-resistant Staphylococcus pseudintermedius (MRSP) is challenging in a small animal practice. Zoonotic transmission may occur. The aim of this study was to investigate the genotypic profiles of MRSP isolated from bacterial infections of canine skin in Korea and to compare their molecular lineages with dominant strains from other countries. Sixty MRSP isolates were obtained from the lesions of canine pyoderma and otitis externa. Their genetic diversity was assessed by multilocus sequence typing (MLST), staphylococcal protein A (spa) typing and direct-repeat unit (dru) typing...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28994490/computed-tomographic-findings-in-205-dogs-with-clinical-signs-compatible-with-middle-ear-disease-a-retrospective-study
#19
Audrey Belmudes, Charline Pressanti, Paul Y Barthez, Eloy Castilla-Castaño, Lionel Fabries, Marie C Cadiergues
BACKGROUND: Computed tomography (CT) is considered to be the reference method to evaluate middle ear structures. OBJECTIVES: To evaluate the presence and severity of CT changes in the middle ear and establish if any specific clinical presentations are associated with otitis media. ANIMALS: Medical records of animals referred for CT with history and clinical signs consistent with middle ear disease. METHODS: Retrospective evaluation of CT examinations of tympanic bullae performed over a six year period...
February 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/28992906/renal-amyloidosis-associated-with-kartagener-syndrome-in-a-dog
#20
Bartolo Celona, Chiara Crinò, Carmelo Bruno, Simona Di Pietro, Elisabetta Giudice
A 4-year-old cocker spaniel, male, of 12kg body weight was presented because of the onset of polyuria or polydipsia. From the first months of its life, the dog had exhibited constant serous to mucopurulent nasal discharge, productive cough, sneezing, reverse sneezing, otitis, and recurrent episodes of fever. The respiratory signs had been treated several times with antibiotics, without ever achieving a complete resolution. Clinical examination revealed normal rectal temperature (38.3°C), increased respiratory rate (40breaths/min), a copious mucous nasal discharge and right deviation of the heart apex beat (ictus cordis)...
June 2017: Topics in Companion Animal Medicine
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