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VOLUME 22 , ISSUE 1 ( 2018 ) > List of Articles

RESEARCH ARTICLE

Multicenter observational study to evaluate epidemiology and resistance patterns of common intensive care unit-infections

Jigeeshu V. Divatia, Babu Abraham

Keywords : Catheter-associated urinary tract infections, catheter-related bloodstream infections, Gram-negative bacteria, Intensive Care Unit-acquired infections, multidrug resistance, ventilator-associated pneumonia

Citation Information : Divatia JV, Abraham B. Multicenter observational study to evaluate epidemiology and resistance patterns of common intensive care unit-infections. Indian J Crit Care Med 2018; 22 (1):20-26.

DOI: 10.4103/ijccm.IJCCM_394_17

License: CC BY-ND 3.0

Published Online: 01-01-2018

Copyright Statement:  Copyright © 2018; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Background: There is limited data regarding the microbiology of Intensive Care Unit (ICU)-acquired infections, such as ventilator-associated pneumonia (VAP), catheter-associated urinary tract infections (CAUTI), and catheter-related bloodstream infections (CRBSI) from India. Objectives: To explore the microbiology and resistance patterns of ICU-acquired infections and evaluate their outcomes. Materials and Methods: This was a multicenter observational study, conducted by Indian Society of Critical Care Medicine (MOSER study) between August 2011 and October 2012. Patients in the ICU ≥48 h with any ICU-acquired infection within 14 days of index ICU stay were included. Patient demographics, relevant clinical, and microbiological details were collected. Follow-up until hospital discharge or death was done, and 6-month survival data were collected. Results: Of the 381 patients included in the study, 346 patients had 1 ICU infection and 35 had more than one ICU infection. Among patients with single infections, 223 had VAP with Acinetobacter being the most common isolate. CAUTI was seen in 42 patients with Klebsiella as the most common organism. CRBSI was seen in 81 patients and Klebsiella was the most common causative organism. Multidrug resistance was noted in 87.5% of Acinetobacter, 75.5% of Klebsiella, 61.9% of Escherichia coli, and 58.9% of Pseudomonas isolates, respectively. Staphylococcus constituted only 2.4% of isolates. Mortality rates were 26%, 11.9%, and 34.6% in VAP, CAUTI, and CRBSI, respectively. Conclusion: VAP is the most common infection followed by CRBSI and CAUTI. Multidrug-resistant Gram-negative bacteria are the most common organisms. Staphylococcus aureus is uncommon in the Indian setting.


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