Screening for posttraumatic stress disorder in ARDS survivors: validation of the Impact of Event Scale-6 (IES-6)

Critical Care : the Official Journal of the Critical Care Forum
Megan M HoseyKarin J Neufeld

Abstract

Posttraumatic stress disorder (PTSD) symptoms are common in acute respiratory distress syndrome (ARDS) survivors. Brief screening instruments are needed for clinical and research purposes. We evaluated internal consistency, external construct, and criterion validity of the Impact of Event Scale-6 (IES-6; 6 items) compared to the original Impact of Event Scale-Revised (IES-R; 22 items) and to the Clinician Administered PTSD Scale (CAPS) reference standard evaluation in ARDS survivors. This study is a secondary analysis from two independent multi-site, prospective studies of ARDS survivors. Measures of internal consistency, and external construct and criterion validity were evaluated. A total of 1001 ARDS survivors (51% female, 76% white, mean (SD) age 49 (14) years) were evaluated. The IES-6 demonstrated internal consistency over multiple time points up to 5 years after ARDS (Cronbach’s alpha = 0.86 to 0.91) and high correlation with the IES-R (0.96; 95% confidence interval (CI): 0.94 to 0.97). The IES-6 demonstrated stronger correlations with related constructs (e.g., anxiety and depression; |r| = 0.32 to 0.52) and weaker correlations with unrelated constructs (e.g., physical function and healthcare utilization measures (|r| =...Continue Reading

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Citations

Sep 15, 2019·Critical Care : the Official Journal of the Critical Care Forum·Reba Umberger
Aug 14, 2020·MMWR. Morbidity and Mortality Weekly Report·Mark É CzeislerShantha M W Rajaratnam
Nov 21, 2019·Critical Care : the Official Journal of the Critical Care Forum·Megan M HoseyDale M Needham
May 21, 2020·Epidemiology and Infection·Dandan SunQingyun Zhang
Feb 6, 2020·Critical Care : the Official Journal of the Critical Care Forum·Megan M HoseyKarin J Neufeld
Oct 6, 2020·Psychology & Health·Simon KunzUNKNOWN SwiSCI Study Group
Dec 8, 2020·Journal of Hospice and Palliative Nursing : JHPN : the Official Journal of the Hospice and Palliative Nurses Association·Barbara ScharfDebra Weigand
Apr 18, 2021·Intensive & Critical Care Nursing : the Official Journal of the British Association of Critical Care Nurses·Hidde HeesakkersMark van den Boogaard
Jul 26, 2021·BMC Family Practice·Kfr SchmidtD M Needham
Oct 27, 2020·Brain, Behavior, & Immunity Health·Sarah BallouOlafur S Palsson
Jul 5, 2021·Heart & Lung : the Journal of Critical Care·Marta Alonso-Fernandez-GattaPedro L Sanchez

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