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Research Article | Volume 13 Issue:1 (, 2023) | Pages 495 - 498
Study Of Bacterial Isolates And Antibiogram Of Ventilator Associated Pneumonia Cases In A Tertiary Care Hospital
Under a Creative Commons license
Open Access
DOI : 10.5083/ejcm
Published
Feb. 11, 2023
Abstract

Introduction: Ventilator associated pneumonia is defined as pneumonia occurring more than 48hours after the initiation of endotracheal intubation and the most common nosocomial infection in intensive care unit.VAP is second most common health care associated pneumonia in spite of wide range of preventive measures. Aim: To isolate the bacterial pathogens and their antibiogram of organisms causing VAP. Materials and Methods: Cross sectional descriptive study conducted for a period of 6 months i.e January 2022 - June 2022 in patients admitted in ICUs of King George hospital on ventilator for more than 48 hours. Endotracheal aspirates are collected and transported to department of Microbiology, AMC, Visakhapatnam. Results: From 50 endotracheal samples studied ,15(30%) were culture positive. Among them the most predominant organism is Pseudomonas aeruginosa 5(33.3%) followed by Methicillin resistant Staphylococcus aureus 4 (26.6%), Klebsiella species 3 (20%) and Acinetobacter species 3(20%).Gram negative bacilli were sensitive to Piperacillin – Tazobactam, fluoroquinolones, macrolides, Polymyxin whereas resistant to beta lactams.Gram positive cocci were 100% resistant to Cefoxitin, Oxacillin and sensitive to Linezolid and Vancomycin. Conclusion: Knowledge of incidence of VAP, their causative microbial flora along with their susceptibility pattern help in selection of appropriate antibiotics for therapeutic use and better outcome

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