Progression of otitis media with effusion in the Cavalier King Charles spaniel

McGuinness, Sheelagh; Friend, Ed; Knowler, Susan P.; Jeffery, Nick D.; Rusbridge, Clare

doi:10.1136/vr.101337

Cited by 14 publications

(20 citation statements)

References 9 publications

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“…Deafness in CKCS was identified in Group 3 as a specific entity. It was associated with fluid‐filled bullae in all cases and was presumed to be due to primary secretory otitis media which is a sterile effusion in the tympanic cavity presumably secondary to a Eustachian tube dysfunction . The presence of material in the bulla may be considered as an incidental finding but can also be accompanied by deafness (conductive hearing loss) or with signs of pain involving the head and neck, and/or neurological signs, and therefore should be differentiated from syringomyelia …”

Section: Discussionmentioning

confidence: 99%

Computed tomographic findings in 205 dogs with clinical signs compatible with middle ear disease: a retrospective study

Belmudes

Pressanti

Barthez³

et al. 2017

Veterinary Dermatology

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Section: Discussionmentioning

confidence: 99%

Computed tomographic findings in 205 dogs with clinical signs compatible with middle ear disease: a retrospective study

Belmudes

Pressanti

Barthez³

et al. 2017

Veterinary Dermatology

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“…C omputed tomography (CT) and magnetic resonance imaging (MRI) examinations of the head in dogs and cats frequently detect subclinical tympanic bulla lesions, with a reported prevalence up to 41% in dogs . Computed tomography and MRI have been previously established as accurate methods for identification of fluid within the canine tympanic bulla .…”

Section: Introductionmentioning

confidence: 99%

“…In humans, otitis media and abnormal Eustachian (auditory) tube function due to neoplasia or congenital abnormalities are the most common causes of fluid accumulation in the middle ear . Eustachian tube dysfunction has been postulated to be the cause of the high prevalence (54%) of middle ear effusions in Cavalier King Charles spaniels …”

Section: Introductionmentioning

confidence: 99%

“…Although the CT anatomy of the dog ear has previously been reported, there is no published information on the dimensions of the tympanic bulla in dogs, and whether this is affected by head shape . Subclinical middle ear disease or otitis media have been defined in previous reports as the incidental presence of fluid or material in the middle ear with no bony abnormalities or concurrent clinical signs . Pathological changes due to middle ear disease in CT have been described as attenuating material in the tympanic bullae, bulla wall thickening/lysis, and/or periosteal proliferation on the temporal bone .…”

Section: Introductionmentioning

confidence: 99%

“…C OMPUTED TOMOGRAPHY (CT) and magnetic resonance imaging (MRI) examinations of the head in dogs and cats frequently detect subclinical tympanic bulla lesions, with a reported prevalence up to 41% in dogs. [1][2][3][4][5][6][7] Computed tomography and MRI have been previously established as accurate methods for identification of fluid within the canine tympanic bulla. 8,9 Middle ear disease in dogs has been associated with otitis externa, inflammatory polyps, neoplasia, and, rarely, craniomandibular osteopathy.…”

Section: Introductionmentioning

confidence: 99%

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Comparison Between Computed Tomographic Characteristics of the Middle Ear in Nonbrachycephalic and Brachycephalic Dogs With Obstructive Airway Syndrome

Salgüero¹,

Herrtage

Holmes

et al. 2016

Vet Radiology Ultrasound

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Prevalence of subclinical middle ear lesions in dogs that undergo computed tomography (CT) and magnetic resonance imaging of the head has been reported up to 41%. A predisposition in brachycephalics has been suggested, however evidence-based studies are lacking. Aims of this retrospective cross-sectional study were to compare CT characteristics of the middle ear in groups of nonbrachycephalic and brachycephalic dogs that underwent CT of the head for conditions unrelated to ear disease, and test associations between thickness of the soft palate and presence of subclinical middle ear lesions. One observer recorded CT findings for each dog without knowledge of group status. A total of 65 dogs met inclusion criteria (25 brachycephalic, 40 nonbrachycephalic). Brachycephalic dogs had a significantly thicker bulla wall (P = 2.38 × 10(-26)) and smaller luminal volume (P = 5.74 × 10(-20)), when compared to nonbrachycephalic dogs. Soft palate thickness was significantly greater in the brachycephalic group (P = 2.76 × 10(-9)). Nine of 25 brachycephalic dogs had material in the lumen of the tympanic cavity, compared to zero of 45 of nonbrachycephalics. Within the brachycephalic group, a significant difference in mean soft palate thickness was identified for dogs with material in the middle ear (12.2 mm) vs. air-filled bullae (9 mm; P = 0.016). Findings from the current study supported previous theories that brachycephalic dogs have a greater prevalence of subclinical middle ear effusion and smaller bulla luminal size than nonbrachycephalic dogs. Authors recommend that the bulla lumen volume formula previously developed for mesaticephalic dogs, (-0.612 + 0.757 [lnBW]) be adjusted to 1/3(-0.612 + 0.757 [lnBW]) for brachycephalic breeds.

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Atlas of Small Animal CT and MRI

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Progression of otitis media with effusion in the Cavalier King Charles spaniel

Cited by 14 publications

References 9 publications

Computed tomographic findings in 205 dogs with clinical signs compatible with middle ear disease: a retrospective study

Computed tomographic findings in 205 dogs with clinical signs compatible with middle ear disease: a retrospective study

Comparison Between Computed Tomographic Characteristics of the Middle Ear in Nonbrachycephalic and Brachycephalic Dogs With Obstructive Airway Syndrome

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