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Citation: Kaftandzieva A, Peneva M, Petrovska B, Cekovska Z. Pasteurella Canis аs а Cause оf Soft-Tissue Infection аfter Dog Bite: a Case Report. Maced J Med Sci. 2013 Mar 15; 6(1):74-78. http://dx. AbstractPasteurella 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.

A 48-year-old man with retrosternal chest pain and upper abdominal pain with propagation to the back, with clinical signs of nausea, dyspnea and dysphagia was referred to the Clinics of thoracic surgery. After esophagography, operative treatment was indicated. Left thoracotomy with mediastinothomy were performed. During the operation, a sample of pus was taken and sent for a microbiological examination at the Institute of Microbiology and Parasitology, Medical Faculty in Skopje. Standard microbiological procedures were used. The sample was cultured anaerobically on Schaedler agar and incubated for 48 hours at 37ºC. Oval, smooth colonies were observed. Gram stained smear revealed short branching Gram-positive filaments suspected for genus Actinomyces. For a definitive diagnosis and differentiation of the Actinomyces species, an automated VITEK system was used. Two weeks after treatment by ceftriaxon, metronidazol and analgetics, all clinical signs improved and patient was released in good physical condition.