Bacteriological Profile and Antibiotic Susceptibility of Pyodermas at a Tribal Tertiary Care Hospital
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2016, Vol 4, Issue 8
Abstract
Abstract: Pyodermas are one of the commonest clinical conditions encountered in dermatological practice. Its prevalence, causative organism and sensitivity pattern differ from place to place.This study is conducted with an objective to find the prevalence, bacteriological profile, and the antibiotic sensitivity pattern of the isolates of pyodermal lesions at the remote tribal district of Adilabad.This is a prospective cross sectional descriptive study done at Rajiv Gandhi Institute of Medical Sciences Adilabad, on clinically diagnosed 110 cases of primary and secondary pyoderma lesions. Swabs that were collected from the lesions were subjected to Grams staining and inoculated on to Nutrient Agar, Blood Agar and Macon key Agar for culture as per standard laboratory procedures. The organism isolated was identified on the basis of morphology, cultural characteristics, and biochemical tests.Antibiotic sensitivity testing was done by Kirby Bauer Disk Diffusion method using Muller Hinton Agar.Of the total 110 cases, primary pyoderma cases were 62 and secondary pyoderma cases were 48. On culture, bacterial growth with a single organism was seen in 92 cases, 8 cases showed poly microbial growth and there was no growth in 10 cases. The bacteriological analysis showed Staphylococcus aureus (78 cases) as the predominant causative organism, Streptococci was isolated in (5 cases) and Staphylococcus epidermidis in (3 cases). Among the Gram Negative organisms Klebsiella (3 cases), Pseudomonas (2 cases), Escherichia coli (1 case) and Proteus (1 case) were isolated. The antibiotic sensitivity pattern showed that in case of Staphylococcus aureus combination drugs like Amoxycillin + Clavulonic acid and Piperacillin + Tazobactum and drugs like Vancomycin to be more sensitive and showed resistance against drugs like Cefazidime, Erythromycin and Lomefloxacin. Streptococci were sensitive to Erythromycin and Ampicillin, while Staphylococcus epidermidis was sensitive to combination drugs. Gram negative organisms like Klebsiella, E.coli, and Pseudomonas also showed sensitivity to Amoxyclav, Cefiprime, Doxycycline and total resistance to Ampicillin.In conclusion this study helped in identifying the present pattern of causative organisms of pyodermas in this area, their sensitivity pattern and to select appropriate cost effective antibiotic & to prevent bacterial resistance. Keywords:Pyoderma, bacteriological profile, Staphylococcus aureus, Antimicrobial susceptibility.
Authors and Affiliations
Dr. B. M. Shanker Venkatesh, Dr. K. Nagaraju, Dr. N. Vivekananda .
Keywords
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