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Bacteriological Profile of Diabetic Foot Infections

Pugazhendhi Sugandhi , Durairaj Arvind Prasanth

Diabetic foot infection is one of the dreaded complications of diabetes. Hence, proper management of diabetic foot infection requires appropriate selection of antimicrobials based on culture and antimicrobial susceptibility testing. This study was undertaken to evaluate the clinical and the microbial characteristic of diabetic foot infection in patients of Salem district, Tamil Nadu, India. The ulcers were graded and swab samples were collected under aseptic condition. A total of sixty patients with type 2 diabetics presented in this study. Out of sixty patients, fifty patients were culture positive and ten were found to be culture negative. Mono microbial infection was found to be higher than poly microbial infection. The bacteria isolated in this study included Staphylococcus aureus, Pseudomonas aeruginosa, Staphylococcus saprophyticus, Staphylococcus epidermidis, Micrococcus spp., Streptococcus pneumoniae, Pleisomonas spp., Bacillus spp. Escherichia coli, Klebsiella spp., Salmonella spp., Vibrio spp., and Enterococcus spp. MRSA and ESBL strains constituted 50 % in this study. Oxacillin and meropenem were found to be the best drug of the choice against both gram positive and gram negative organisms.