Causes of otitis externa

Rosser, Edmund J.

doi:10.1016/j.cvsm.2003.10.006

Cited by 110 publications

(167 citation statements)

References 5 publications

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“…e Eutrombicula spp. Dentre esses, o primeiro tem maior ocorrência, sendo relatados em 50% dos casos de felinos com otite externa (Rosser, 2004), em contrapartida os demais são relatados em menos de 10% dos casos (Graça, 2010).…”

Section: Discussionunclassified

“…Desta forma, a otite externa do presente paciente poderia ser ocasionada pela presença do parasita, contudo a não identificação destes nos exames do conduto auditivo podem estar associadas a pequenas cargas de ácaros ou a migração para outra parte do corpo (Angus, 2005, Graça, 2010. Com a cronicidade a otite externa pode ser acompanhada da produção de cerúmen e predispor o animal a infecções secundárias por leveduras ou bactérias (Rosser, 2004, Gotthelf, 2007, Graça, 2010 Segundo Tillmann et al (2014), a otite pode ser uma das causas do otohematoma sendo que esta é caracterizada por uma inflamação do meato acústico podendo ser etiologia multifatorial e classificada em externa, média e interna dependendo da localização na orelha. Sendo que a otite externa parasitária é a mais comum em felino o que confere com o caso relatado.…”

Section: Discussionunclassified

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Aural hematoma in young cat: Case report

Silva

Rodrigues

Santos

et al. 2017

Pubvet

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RESUMO.Os otohematomas ou hematomas aurais são alterações resultantes de um acúmulo de sangue dentro da cartilagem auricular, ocasionados por diversos fatores, como otites de variadas etiologias. Existem vários procedimentos clínicos e cirúrgicos para o tratamento do otohematoma, porém nem todos trazem resultados satisfatórios. Este relato tem por objetivo relatar o caso de um felino, sem raça definida, de quatro anos e quatro meses de idade, diagnosticado com hematoma aural recidivante, devido à otite. Palavras chave: Felino, hematoma aural, otite Aural hematoma in young cat: Case reportAbstract. Otohematoma or aural hematoma are affections defined as an accumulation of blood within the atrial cartilage, caused by several factors, such as otitis of many etiologies. There are several clinical and surgical procedures for the treatment of otohematoma, but few with satisfactory results. The purpose of this arcticle is to report a case of a four year and four months old feline, diagnosed with recurrent aural hematoma due to otitis.

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Section: Discussionunclassified

Aural hematoma in young cat: Case report

Silva

Rodrigues

Santos

et al. 2017

Pubvet

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“…In this report, lesions on the ear pinnae, but not pinnal margins were also a validating criterion for CAD. This is of interest because in previous reports otitis externa had been considered as an important feature of CAD (Muse et al 1996;Scott et al 2001;Zur et al 2002), and CAD was considered as one of the most common causes for otitis externa (Rosser 2004). In our study otitis externa was found in 49% of the dogs.…”

Section: Lesions Of Dogs With Cadmentioning

confidence: 96%

Canine atopic dermatitis in the Middle East: clinical signs, signalment and common allergens

Zur¹,

Skorinsky²,

Bdolah‐Abram³

2012

Vet. Med. - Czech

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ABSTRACT:The aim of the study was to examine for the first time the various aspects of canine atopic dermatitis (CAD) presenting in a Middle Eastern country. Medical records of 164 dogs diagnosed with CAD were evaluated. Associations between signalment, lifestyle, clinical signs and allergens were evaluated statistically. Labrador Retriever, German Shepherd dog, Boxer, French Bulldog, Golden Retriever and Shar-Pei breeds were presented more frequently than the regular hospital population (P < 0.0001), and had an earlier disease onset time (P < 0.01). In 22 dogs (13%) signs of CAD were noticed at less than six months of age. Most dogs (75%) lived indoors. Most dogs (83%) had lesions on the ventral part of the body and 68% had foot lesions. After excluding flea allergy dermatitis by implementing strict flea control, 60% of the dogs presented with dorsal distribution of skin lesions. Dogs with ventral lesions were younger when clinical signs first appeared (P < 0.05). Most of the dogs were allergic to dust and/or dust mites (75.6%), with weeds and trees as the next most common allergens. CAD is similar worldwide, but geographic differences may be attributable to genetic pools and allergen loading. This study also shows that early onset of clinical signs, especially in breeds predisposed to CAD and with a dorsal distribution of skin lesions, should not rule out the diagnosis of CAD.

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“…The most common microorganisms isolated from the ears include the bacteria, Staphylococcus intermedius (now reclassified as Staphylococcus pseudintermedius), Pseudomonas aeruginosa, andProteus species, and yeasts such as Malassezia pachydermatis [2][3][4][5]. Most of the microorganisms isolated from inflamed ears are found in smaller numbers in normal ears [5][6][7][8][9]. In the dog, primary causes and predisposing factors, such as allergies, keratinization disorders and anatomical abnormalities, create suitable conditions for the proliferation of microorganisms [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…Most of the microorganisms isolated from inflamed ears are found in smaller numbers in normal ears [5][6][7][8][9]. In the dog, primary causes and predisposing factors, such as allergies, keratinization disorders and anatomical abnormalities, create suitable conditions for the proliferation of microorganisms [9,10]. The role of domestication and human intervention in creating some of these problems is evident (i.e.…”

Section: Introductionmentioning

confidence: 99%

Cytological Features of the Normal Ear Canal of Wild Jackals (<i>Canis aureus</i>) and Domesticated Dogs (<i>C. domesticus</i>)

Zur¹,

King²,

Bdolah‐Abram³

2012

OJVM

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This is the first reported study in which various cytological and microbial components of the ear canal of wild jackals (Canis aureus) were examined and compared with those of domesticated dogs (C. domesticus). It is proposed that the differences between them might be attributable to domestication. The normal cytology of the jackals' ears includes cerumen, keratinous debris, coccoid bacteria and yeast-like organisms similar to domesticated dogs, but the frequencies of these findings differed significantly between the two species. In the jackals the incidences of ceruminous debris and yeasts were significantly lower (p < 0.001, p = 0.004 respectively), while keratinous debris and coccoid bacteria were significantly higher (p < 0.001). During domestication some changes have probably occurred in the dogs' lifestyle that predisposed them to the growth of yeasts in their ears but less to bacterial growth. It is possible that the higher numbers of bacteria might be a result of environmental contamination, because some of the jackals lived near urban centers and feed on garbage.

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Causes of otitis externa

Cited by 110 publications

References 5 publications

Aural hematoma in young cat: Case report

Aural hematoma in young cat: Case report

Canine atopic dermatitis in the Middle East: clinical signs, signalment and common allergens

Cytological Features of the Normal Ear Canal of Wild Jackals (<i>Canis aureus</i>) and Domesticated Dogs (<i>C. domesticus</i>)

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Causes of otitis externa

Cited by 110 publications

References 5 publications

Aural hematoma in young cat: Case report

Aural hematoma in young cat: Case report

Canine atopic dermatitis in the Middle East: clinical signs, signalment and common allergens

Cytological Features of the Normal Ear Canal of Wild Jackals (&lt;i&gt;Canis aureus&lt;/i&gt;) and Domesticated Dogs (&lt;i&gt;C. domesticus&lt;/i&gt;)

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Cytological Features of the Normal Ear Canal of Wild Jackals (<i>Canis aureus</i>) and Domesticated Dogs (<i>C. domesticus</i>)