Peer-reviewed veterinary case report
Antibiotic resistance in Staphylococcus schleiferi from US dogs
By Kunder, Darcie A et al.·Published in Veterinary dermatology·2015·Department of Clinical Studies - Philadelphia, United States·View original on PubMed →
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Original publication title: Genotypic relatedness and antimicrobial resistance of Staphylococcus schleiferi in clinical samples from dogs in different geographic regions of the United States.
- Species:
- dog
Plain-English summary
A study found that a common bacteria called Staphylococcus schleiferi, which can cause skin and ear infections in dogs, is becoming resistant to antibiotics in various regions of the United States. Out of 217 samples collected, a significant number were from skin infections, with 62% of samples from the Mid-Atlantic region and 73% from other areas showing resistance to methicillin, a common antibiotic. This suggests that antibiotic-resistant strains of this bacteria are spreading across the country. Pet owners should be aware of this issue, especially if their dog has recurring skin or ear infections, and discuss treatment options with their veterinarian.
People also search for: dog skin infection treatment · antibiotic resistance in dogs · Staphylococcus schleiferi in dogs
Abstract
BACKGROUND: Staphylococcus schleiferi is a known pathogen that can cause canine skin and ear infections. The aim of this study was to determine the molecular epidemiology and antimicrobial susceptibility of clinical veterinary isolates from different geographic regions in the United States. HYPOTHESIS: It was hypothesized that S. schleiferi would maintain genotypic homogeneity across the different geographic regions and that meticillin-resistant (MR) isolates of S. schleiferi would predominate. METHODS: Isolates were identified as S. schleiferi by a commercial microbiology identification system and confirmed by nuc gene PCR. Antibiotic susceptibility data were collected and PBP2a latex agglutination testing was performed on MR isolates. Pulsed-field gel electrophoresis (PFGE) was performed and clonal clusters were identified with a Dice coefficient similarity of >80%. RESULTS: There were 116 isolates from the Mid-Atlantic region and 101 from across the United States. Of these 217 isolates, 209 (96%) were obtained from cutaneous sites. Of the Mid-Atlantic isolates, 62% (72 of 116) were MR and 16% (18 of 116) were multidrug-resistant (MDR). Of the isolates from the other geographic regions, 73% (74 of 101) were MR and 24% (24 of 101) were MDR. All MR isolates were positive by PBP2a latex agglutination. PFGE identified 155 individual pulsed-field profiles and three major pulsed-field types (PFT) that contained 61% (133 of 217) of the isolates. These pulsed-field types were geographically heterogeneous. CONCLUSIONS: This study demonstrates the dissemination of successful MR pulsed-field types of S. schleiferi across the United States.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/26369311/