Bacteriological profile of pyogenic infections and their antimicrobial susceptibility in a tertiary care hospital in central India

Background: Pyogenic infection is a significant cause of morbidity. Infection with multidrug-resistant strains poses a major difficulty in the treatment. The study was conducted to know the bacteriological profile of pyogenic infections and their antibiotic susceptibility. Methods: A cross-sectional study was conducted in a tertiary care hospital from October 2021 to March 2022. Isolates from pus specimens were subjected to an antibiotic sensitivity test using the Kirby-Bauer method as per CLSI 2021. Results: Out of 752 samples, etiology could be revealed in 510 (68.4%) specimens. Enterobacterales dominated the profile, with K pneumoniae isolated in the maximum number of specimens. Staphylococcus aureus was the culprit in 14% of the cases. Non-fermenters were isolated in 17% of the cases. Methicillin resistance in S aureus was 67%. Gram-positive cocci showed high sensitivity to linezolid. For both Piptaz and carbapenem, Enterobacterales and non-fermenters showed around 50% and 60% susceptibility, respectively. Conclusion: Continuous surveillance of the aetiologic agents of pyogenic infections and their antibiotic sensitivity pattern needs to be done to design and implement the antibiotic policy for the infection in our set-up.