Pasteurella Canis аs а Cause оf Soft-Tissue Infection after Dog Bite: a Case Report
Journal
Open Access Macedonian Journal of Medical Sciences
Date Issued
2013-03-15
Author(s)
Branka Petrovska
DOI
10.3889/MJMS
Abstract
Pasteurella spp are the first organisms to consider in any patient who presents with a soft tissue infection following cat scratches, or cat or dog bites or licks. Pasteurella canis is most common isolate of dog bites. A case of a 55- year- old woman with symptoms of infected right leg after a dog bite was described. Microbiological examination of the wounds was performed. The collected specimen was used for Gram stain and culture. No bacteria were detected on a direct gram-stained smear from wound specimens. Both aerobic and anaerobic cultures were performed. After 24 hours, growth of smooth, greyish-white colonies was observed only on Columbia agar. Another Gram stained slide was performed from those colonies and Gramnegative cocobacilli to short rodshaped morphology with bipolar staining was observed. They demonstrate positive catalase and oxidase positive reaction. The bacterium was susceptible to all tested antimicrobial agents. Although systemic forms of Pasteurella are possible, cutaneous infections from animal bites is the most common presentation. Most animal-bite injuries can be treated with oral antimicrobials on an outpatient basis. This patient had been managed aggressively at the very early stage, including surgical debridement and peroral antibiotic, which most likely contributed to the absence of further complications
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