Peer-reviewed veterinary case report
Bacterial infections and antibiotic results in dogs with eye abscesses
By Pumphrey, Stephanie A & Wayne, Annie S·Published in Journal of the American Veterinary Medical Association·2022·View original on PubMed →
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Original publication title: Patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses: 133 cases (2002-2019).
- Species:
- dog
Plain-English summary
A group of 133 dogs with retrobulbar abscesses (painful swelling behind the eye) was studied to understand the types of bacteria causing these infections and how well different antibiotics worked against them. The most common bacteria found included Pasteurella, Streptococcus, and E. coli, with many dogs having infections from multiple types of bacteria. Based on the results of tests that showed which antibiotics would be effective, nearly half of the dogs had their treatment adjusted. Remarkably, 97% of the dogs recovered after receiving appropriate antibiotic treatment, such as amoxicillin-clavulanate or a combination of clindamycin and enrofloxacin.
People also search for: dog eye swelling treatment · retrobulbar abscess in dogs · antibiotics for dog infections
Abstract
OBJECTIVE: To evaluate patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses and generate recommendations for empirical antimicrobial selection. ANIMALS: 133 dogs examined between 2002 and 2019. PROCEDURES: Records were retrospectively reviewed to determine type of bacterial culture, number and type of bacterial isolates, antimicrobial susceptibility test results, concurrent and recent antimicrobial exposure, effect of culture results on antimicrobial regimen, and outcome. RESULTS: Aerobic culture alone was performed in 37 dogs, and aerobic and anaerobic culture was performed in 96 dogs. Isolates were recovered from 96 dogs, with multiple isolates recovered from 54 (56%) of those dogs. Of the 69 dogs for which both aerobic and anaerobic culture was performed and at least 1 isolate was obtained, 34 (49%) had purely aerobic infections, 15 (22%) had mixed aerobic and anaerobic infections, and 20 (29%) had purely anaerobic infections. Pasteurella spp (n = 26), Streptococcus spp (20), and Escherichia coli (12) were the most common aerobic isolates. Bacteroides spp (n = 22), Actinomyces spp (10), and Fusobacterium (10) spp were the most common anaerobic isolates. Susceptibility test results led to changes in the antimicrobial regimen in 37 of 80 (46%) dogs. Of the 76 dogs for which outcome information was available, 78 (97%) recovered. CLINICAL RELEVANCE: Multipathogen and anaerobic infections were common in dogs with retrobulbar abscesses. Susceptibility data supported the use of amoxicillin-clavulanate or a combination of clindamycin and enrofloxacin as first-line treatments. Additional study is needed to characterize anaerobic antimicrobial susceptibilities and to compare results of susceptibility testing with in vivo responses to antimicrobial administration.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35175928/