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VOLUME 26 , ISSUE 5 ( May, 2022 ) > List of Articles

Original Article

Ventilator-associated Events Surveillance in a Trauma Intensive Care Unit: A Prospective Study of Incidence, Predictive Values, Sensitivity, Specificity, Accuracy, and Concordance with Ventilator-associated Pneumonia

Kulbeer Kaur, Kajal Jain, Manisha Biswal, Surinder Kaur Dayal

Keywords : Infection-related ventilator-associated complication, Possible ventilator-associated pneumonia, Ventilator-associated condition, Ventilator-associated events, Ventilator-associated pneumonia

Citation Information : Kaur K, Jain K, Biswal M, Dayal SK. Ventilator-associated Events Surveillance in a Trauma Intensive Care Unit: A Prospective Study of Incidence, Predictive Values, Sensitivity, Specificity, Accuracy, and Concordance with Ventilator-associated Pneumonia. Indian J Crit Care Med 2022; 26 (5):582-588.

DOI: 10.5005/jp-journals-10071-24157

License: CC BY-NC 4.0

Published Online: 30-04-2022

Copyright Statement:  Copyright © 2022; The Author(s).


Abstract

Introduction: The Centre of Disease Control and Prevention (CDC) introduced a new definition of ventilator-associated events (VAEs) in 2013 in place of longstanding ventilator-associated pneumonia (VAP) definition. Three entities under VAE, ventilator-associated condition (VAC), infection-related ventilator-associated complication (IVAC), and possible ventilator-associated pneumonia (PVAP), were introduced. Objectives: To assess the incidence of all VAEs in a tertiary care trauma ICU and to find the predictive value of VAE and sensitivity of VAE definitions for VAP. Design: Cohort prospective study at trauma intensive care unit (ICU) of PGIMER, Chandigarh, from July 2018 till June 2019. Method: Patients admitted in trauma ICU were checked for VAP and VAE criteria defined by CDC. Results: Four hundred and sixty five patients were observed. Around 378 patients were included in the study with 4046 patient days and 3031 mechanical ventilation (MV) days. Incidence rate of PVAP, IVAC, VAC, and VAP was 2.97, 6.60, 10.23, and 9.24 per 1000 ventilator days, respectively. Sensitivity, specificity, positive predictive value, and negative predictive value (NPV) of diagnosing VAP were 0.61, 0.97, 0.68, and 0.97 for VAC; 0.80, 0.97, 0.57, and 0.99 for IVAC; and 0.78, 0.94, 0.25, and 0.9 for PVAP, respectively. Kendall\'s W test showed that there was very poor concordance between VAP and VAE.


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