Peer-reviewed veterinary case report
Primary causes of Pseudomonas ear infection in 60 dogs
By Paterson, S & Matyskiewicz, W·Published in The Journal of small animal practice·2018·Department of Dermatology, United Kingdom·View original on PubMed →
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Original publication title: A study to evaluate the primary causes associated with Pseudomonas otitis in 60 dogs.
- Species:
- dog
Plain-English summary
A group of 60 dogs with ear infections (otitis) was studied to find out what caused them to develop a Pseudomonas infection, which is a type of bacterial infection. The most common reasons for these ear infections were allergies, growths (masses), and hormonal issues (endocrine disease). Dogs with allergies typically developed the infection around 3 years old, while those with growths were older, around 8 years at onset. The study found that Pseudomonas infections occurred more quickly in dogs with growths or autoimmune diseases compared to those with allergies.
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Abstract
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. Underlying primary causes of otitis were allergy (42), masses (8), endocrine disease (7) and autoimmune disease (3). The mean age of onset of otitis (and subsequent time to development of Pseudomonas otitis) in dogs with allergic otitis was 40 months (28 months), with endocrine disease was 56 months (19 months) and masses 99 months (10 months). CLINICAL SIGNIFICANCE: The most common primary causes of otitis in dogs with Pseudomonas infections are, in decreasing frequency: allergies, masses, endocrine disease and autoimmune disease. Secondary infections with Pseudomonas developed more quickly if there was a mass or autoimmune disease, as compared with allergies and endocrinopathies.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29322531/