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Identification of Multi-drug Resistant Enterococcus spp. as a Potential Nosocomial Pathogen in a Veterinary Teaching Hospital

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Title: Identification of Multi-drug Resistant Enterococcus spp. as a Potential Nosocomial Pathogen in a Veterinary Teaching Hospital
Author: Steele, Andrea Marie
Department: Department of Clinical Studies
Program: Clinical Studies
Advisor: Mathews, KarolPrescott, John, F
Abstract: This thesis presents results from three studies conducted in a veterinary teaching hospital (VTH). Study 1 retrospectively examined a collection of enterococci from clinical infections. Five recurring strains of Enterococcus faecium, and one strain of Enterococcus faecalis were identified using pulsed-field gel electrophoresis (PFGE) as causing clinical infections. Study 2 examined the gastrointestinal tract enterococci as a source of enteroccocal infections in dogs. Enterococcal catheter-associated bacteriuria (CA-bacteriuria) rate was 8%. In 3 of 4 sets of bacteriuria and rectal isolates, CA-bacteriuria isolates were indistinguishable from rectal isolates suggesting that the patient’s fecal enterococci represented the infection source. In all 3 sets of wound and rectal isolates, fecal carriage of the infection isolate was observed. Study 3 examined the prevalence of bacterial species and the overall CA-bacteriuria rate. CA-bacteriuria rate was 24%, with Enterococcus spp., E. coli, Staphylococcus spp., Streptococcus spp. and Enterobacter spp., as the most prevalent bacteria in listed order.
URI: http://hdl.handle.net/10214/3213
Date: 2011-12


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