Ascertainment and Prevalence of Post-Traumatic Stress Disorder (PTSD) in People with Intellectual Disabilities

John Daveney · Angela Hassiotis · Cornelius Katona · Faith Matcham · Piyal Sen

70 citations0/0 files storedJournal of Mental Health Research in Intellectual Disabilities

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Posttraumatic Stress Disorder Research Child Abuse and Trauma Down syndrome and intellectual disability research

Abstract

Introduction: Post-traumatic stress disorder (PTSD) may be under-recognized in people with intellectual disabilities (PWID) and reviews on appropriate screening tools and prevalence are lacking. This review aims to identify PTSD screening tools for PWID and estimate the prevalence of PTSD within this population. Method: Medline, PubMed, Embase, PsycINFO, Cochrane, Global Health, and Web of Science databases were searched (inception to October 2017) to identify eligible literature. Papers were also found via manual searches of the references of eligible studies. Studies were reviewed in accordance with the Preferred Reporting Items for Systematic reviews and Meta-analyses (PRISMA) guidelines, subjected to exclusion criteria and quality appraised using STROBE criteria for observational studies and an adapted form of the Newcastle-Ottawa scale for cross-sectional studies. Seven studies were identified. Meta-analysis was carried out on the prevalence studies and heterogeneity quantified using I2. Results: Three tools for screening PTSD in PWID were found: two for use in adults (the Lancaster and Northgate Trauma Scale and the Impact of Event Scale – Intellectual Disabilities) and the Adapted Anxiety Disorders Interview Schedule for Children with PTSD. Five studies reported PTSD prevalence in PWID. The weighted pooled prevalence of PTSD in PWID was found to be 10%, 95% CI [0.4%, 19.5%], toward the upper limit of estimated PTSD prevalence in the general population (5–10%). Conclusion: PTSD can be diagnosed in PWID but may go unrecognized by health-care professionals. The identified tools should be further compared and assessed for acceptability and efficacy to improve the identification of PTSD in PWID.

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References

2013Diagnostic and Statistical Manual of Mental Disorders 2003Measuring inconsistency in meta-analyses 2009The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration 2014The Newcastle-Ottawa Scale (NOS) for Assessing the Quality of Nonrandomised Studies in Meta-Analyses 2005Prevalence, Severity, and Comorbidity of 12-Month DSM-IV Disorders in the National Comorbidity Survey Replication 2007Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): Explanation and Elaboration 2017Post-Traumatic Stress Disorder 2009PTSD and its treatment in people with intellectual disabilities

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