A study on clinico-demographic and microbiological profile of surgical site infection (SSI) in a tertiary care hospital, Kolkata: An alarming trend

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Original Article

Author Details : Ankita Banik, Sharanya Haldar, Suman Kundu, Somnath Bhunia, Kishor Kumar Behera, Cizarina Roy, Swagata Ganguly-Bhattacharjee*, Jayanta Bikash Dey

Volume : 11, Issue : 1, Year : 2024

Article Page : 25-33

https://doi.org/10.18231/j.ijmr.2024.005

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Abstract

Background: The Centres for Disease Control and Prevention (CDC) estimates surgical site infections SSI is major contributor of healthcare associated infections (HAI). Multidrug resistant (MDR) Gramnegative bacilli are emerging pathogens. This study aimed to determine the magnitude of SSI and identify predominant pathogens with their antimicrobial susceptibility patterns.

Materials and Methods: It is a hospital-based descriptive cross-sectional study including 2070 suspected SSI specimens from 25809 surgeries between 1st July 2021 to 30th June 2023. Organisms’ identification and AST was done by both conventional and automated methods. Data was collected and analysed on MS-Excel sheet with various charts and tables.

Results and Discussion: In our study SSI rate was 6.3%, much higher than previous study (2.83%) from this institution. SSI rate was highest in plastic surgery (8.2%). Major pathogens of SSI were Gram-negative bacilli e.g., Klebsiella pneumoniae (26.34%), Escherichia coli (25.59%) and Staphylococcus aureus (74.69%) was predominant among Gram-positive cocci. Gram-negative bacilli including enterobacterales and non-fermenter Pseudomonas aeruginosa and Acinetobacter baumannii complex showed resistance to major classes of broad- spectrum antibiotics. Methicillin resistance Staphylococcus aureus (MRSA) was 43.9%, which indicates need to improve infection control practices.

Conclusion: Our study showed significant higher proportion of SSI as compared to previous studies from the same institute with alarming number of isolated MDR Gram-negative bacilli. So, this study focusses the need of robust infection control practices and strict implementation of antimicrobial stewardship to overcome challenges of antimicrobial resistance.

Keywords: Drug resistance, Multiple bacterial, Methicillin- resistant Staphylococcus aureus, Carbapenem-resistant, Enterobacteriaceae.

How to cite : Banik A, Haldar S, Kundu S, Bhunia S, Behera K K, Roy C, Ganguly-bhattacharjee S , Dey J B, A study on clinico-demographic and microbiological profile of surgical site infection (SSI) in a tertiary care hospital, Kolkata: An alarming trend. Indian J Microbiol Res 2024;11(1):25-33

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