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Nasal carriage of methicillin-resistant Staphylococcus pseudintermedius in dogs treated with cephalexin monohydrate.


ABSTRACT: This study aimed to investigate the nasal carriage of methicillin-resistant Staphylococcus pseudintermedius (MRSP) in dogs treated with oral cephalexin monohydrate. Ten dogs with superficial pyoderma were monitored longitudinally for carriage of MRSP for up to 1 year after treatment; the strains were typed and antibiograms were determined. Methicillin-susceptible S. pseudintermedius (MSSP) was recovered prior to treatment in all dogs and could be isolated after 12 months in 1 dog. Methicillin-resistant Staphylococcus pseudintermedius was detected within 1 week of treatment in all dogs, and 3 clones represented by ST45, ST112, and ST181 were consistently present for up to 12 months after treatment. All MRSP isolates were resistant to at least 7 common antimicrobials. Oral cephalexin monohydrate treatment selected for strains of multi-resistant MRSP, which were still present after 1 year.

SUBMITTER: Fungwithaya P 

PROVIDER: S-EPMC5157743 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Nasal carriage of methicillin-resistant <i>Staphylococcus pseudintermedius</i> in dogs treated with cephalexin monohydrate.

Fungwithaya Punpichaya P   Chanchaithong Pattrarat P   Phumthanakorn Nathita N   Prapasarakul Nuvee N  

The Canadian veterinary journal = La revue veterinaire canadienne 20170101 1


This study aimed to investigate the nasal carriage of methicillin-resistant <i>Staphylococcus pseudintermedius</i> (MRSP) in dogs treated with oral cephalexin monohydrate. Ten dogs with superficial pyoderma were monitored longitudinally for carriage of MRSP for up to 1 year after treatment; the strains were typed and antibiograms were determined. Methicillin-susceptible <i>S. pseudintermedius</i> (MSSP) was recovered prior to treatment in all dogs and could be isolated after 12 months in 1 dog.  ...[more]

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