Bacteriological profile of pyogenic infections at a tertiary care centre of Nepal
Background: The pyogenic infections includes a wide range of abnormalities like superficial skin infections, eyes infections, wound infections, infection of burns, boils, furuncles, peritonitis and abscesses . Some of the infections are endogenous that occurs by the patient’s own normal flora. Many infections are exogenous that occur by direct and indirect airborne routes. Boils and furuncles are caused by Staphylococcus aureus. Gramnegative infections rarely occur on healthy skin except moist area of skin and axilla. Objectives: The purpose of this study was to illustrate the bacteria responsible for pyogenic infection and to determine their antibiotic susceptibility. Methods: The pyogenic bacteria were isolated from the samples collected from the Clinical Departments of Chitwan Medical College. The isolates were identified and antibiotic susceptibility test was performed by standard protocols. Results: Gram negative bacteria were frequently isolated pathogens than the gram positive bacteria. Escherichia .coli was the predominant isolate among the 138 positive samples, 49 (35.5%) of them was only the E.coli, followed by Staphylococcus aureus (15.21%), Klebsiella pneumoniae (13.04%), Acinetobacter species (11.59%), MRSA (11.59%), Pseudomonas aeruginosa (5.79%), Klebsiella oxytoca (3.62%), Enterobacter (2.17%), and Proteus mirabilis (1.44%) Gram negative bacteria were highly susceptible to Amikacin whereas most of the Gram-positive isolates were susceptible to vancomycin and linezolid. Conclusion: The knowledge of the most prevalent type of bacterial isolates and their antimicrobial susceptibility pattern is a must for the clinicians as it aids in the accurate selection of the therapeutic regimens.
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