Epidemiology of methicillin resistant Staphylococcus pseudintermedius in guide dogs in Finland

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http://hdl.handle.net/10138/193270

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Grönthal , T , Ollilainen , M , Eklund , M , Piiparinen , H , Gindonis , V , Junnila , J , Saijonmaa-Koulumies , L , Liimatainen , R & Rantala , M 2015 , ' Epidemiology of methicillin resistant Staphylococcus pseudintermedius in guide dogs in Finland ' , Acta Veterinaria Scandinavica , vol. 57 , 37 . https://doi.org/10.1186/s13028-015-0129-8

Title: Epidemiology of methicillin resistant Staphylococcus pseudintermedius in guide dogs in Finland
Author: Grönthal, Thomas; Ollilainen, Matti; Eklund, Marjut; Piiparinen, Heli; Gindonis, Veera; Junnila, Jouni; Saijonmaa-Koulumies, Leena; Liimatainen, Riitta; Rantala, Merja
Other contributor: University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Departments of Faculty of Veterinary Medicine

Date: 2015-07-17
Language: eng
Number of pages: 10
Belongs to series: Acta Veterinaria Scandinavica
ISSN: 0044-605X
DOI: https://doi.org/10.1186/s13028-015-0129-8
URI: http://hdl.handle.net/10138/193270
Abstract: Background: Methicillin resistant Staphylococcus pseudintermedius (MRSP) and Staphylococcus aureus (MRSA) are common multi-drug resistant (MDR) bacteria in dogs. In 2012-2013 three dogs of the Guide Dog School of the Finnish Federation of the Visually Impaired were found to be MRSP positive. Guide dogs have regular contact with each other during their first year of life and prolonged contact when in training. Since dogs are placed in different parts of Finland after training, there is a risk for national spread of MDR bacteria. In this study the prevalence of MRSP and MRSA, as well as the risk factors for MRSP were determined in the Finnish guide dog population. MRSP isolates were investigated using molecular methods and compared to the earlier isolates. Results: Out of 132 tested dogs 4 were MRSP positive thus giving the prevalence estimate of 3% (95% CI: 1-8%) for MRSP in the target population. MRSA was not detected (prevalence estimate 0%, 95% CI: 0-3%). Risk factors associated with MRSP were being a breeding bitch (OR = 8.4; 95% CI: 1.1-64.1, P = 0.012), the number of veterinary visits (OR = 1.23; 95% CI: 1.0-1.5, P = 0.025) and number of antimicrobial courses (OR = 1.63; 95% CI: 1.0-2.55; P = 0.035). Identified MRSP isolates belonged to five different sequence types (ST45, 71, 402, 403 and 404). All ST71 isolates carried SCCmec II-III, while the SCCmec type of the ST45 and ST402 (a single locus variant of ST45) isolates were non-typeable with the method used. Conclusions: MRSP and MRSA had low prevalence in the studied dog population despite the close contact between dogs, and the MRSP population was heterogenic. Antimicrobial therapy and veterinary visits are risk factors for MRSP even among a small case group.
Subject: Staphylococcus
MRSA
MRSP
Epidemiology
Prevalence
Risk factor
HEALTHY DOGS
COLONIZATION
PREVALENCE
AUREUS
CARRIAGE
CATS
INTERMEDIUS
DIVERSITY
INFECTION
ANIMALS
413 Veterinary science
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