Posttraumatic stress disorder according to DSM-5 and DSM-IV diagnostic criteria: a comparison in a sample of Congolese ex-combatants

Background: Compared to DSM-IV, the criteria for diagnosing posttraumatic stress disorder (PTSD) have been modified in DSM-5.

Objective: The first aim of this study was to examine how these modifications impact rates of PTSD in a sample of Congolese ex-combatants. The second goal of this study was to investigate whether PTSD symptoms were associated with perpetrator-related acts or victim-related traumatic events.

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Analyzing small data sets using Bayesian estimation: the case of posttraumatic stress symptoms following mechanical ventilation in burn survivors

Background: The analysis of small data sets in longitudinal studies can lead to power issues and often suffers from biased parameter values. These issues can be solved by using Bayesian estimation in conjunction with informative prior distributions. By means of a simulation study and an empirical example concerning posttraumatic stress symptoms (PTSS) following mechanical ventilation in burn survivors, we demonstrate the advantages and potential pitfalls of using Bayesian estimation.

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Latent classes of posttraumatic stress and growth

Background and Objectives: Potentially traumatic events may lead to different patterns of posttraumatic stress symptoms and posttraumatic growth. The objective of the present study was to identify subgroups with different patterns of posttraumatic reactions, and to determine whether these subgroups differed in terms of personal and social resources and indicators of adjustment. Design: This study used survey data collected 10 months after the 2011 Oslo bombing attack to investigate patterns of reactions among ministerial employees (N = 1970).

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Captivated by fear: an evaluation of terrorism detention policy

The possible threat of radicalization among prison inmates has received widespread political and public attention in Europe. Several countries, including the Netherlands, seek to prevent prisoner radicalization by detaining violent extremist offenders together in segregated high-security facilities. However, it is unclear whether or not such policies are based on sound rationale. This study aims to conduct an in-depth evaluation of terrorism detention policy, based on extensive research among policy makers, prison staff, and prisoners in the Netherlands.

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Mortality in Mental Disorders and Global Disease Burden Implications

IMPORTANCE:

Despite the potential importance of understanding excess mortality among people with mental disorders, no comprehensive meta-analyses have been conducted quantifying mortality across mental disorders.

OBJECTIVE:

To conduct a systematic review and meta-analysis of mortality among people with mental disorders and examine differences in mortality risks by type of death, diagnosis, and study characteristics.

DATA SOURCES:

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Intensive multidisciplinary treatment of severe somatoform disorder: a prospective evaluation

Chronic severe somatoform disorder (SFD) is resistant to treatment. In a prospective observational study, we evaluated an intensive multidisciplinary treatment focusing on body-related mentalization and acceptance. Patients included in the study were 183 (146 women, 37 men) of 311 eligible patients with chronic severe SFD, referred consecutively to a specialized tertiary care center between 2002 and 2009. Primary outcome measures were somatic symptoms (SCL-90) and health-related quality of life (EuroQol 5-Dimensional [EQ-5D]).

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Memories of Holocaust-related traumatic experiences, sense of coherence, and survivors' subjective well-being in late life: some puzzling findings

Background and Objectives: This study explores the nexus of relationships between memories of Holocaust-related early traumatic events, survivors’ sense of coherence (SOC), and subjective well-being (SWB) in late life. Design: The basic design of this study, based 106 survivors (54% female), was cross-sectional. Methods: Participants underwent an extensive in-depth clinical interview relating to their Holocaust experiences and responded to measures of SOC and SWB.

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Resource loss, self-efficacy, and family support predict posttraumatic stress symptoms: a 3-year study of earthquake survivors

Background and Objectives: Social support and self-efficacy are regarded as coping resources that may facilitate readjustment after traumatic events. The 2009 Cinchona earthquake in Costa Rica serves as an example for such an event to study resources to prevent subsequent severity of posttraumatic stress symptoms. Design: At Time 1 (1–6 months after the earthquake in 2009), N = 200 survivors were interviewed, assessing resource loss, received family support, and posttraumatic stress response.

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Narrative and Silence: How Former Refugees Talk about Loss and Past Trauma

Using narrative methodology this paper analyses the life stories of 25 former refugees from two African countries, resettled in Australia. Study findings demonstrated a salient divergence between the stories of the two communities; within which there were also individual differences in structure and content of participants’ narratives. Five narrative types were identified along a continuum from detailed disclosure to near-complete silence about traumatic events and experiences.

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Bridging a translational gap: using machine learning to improve the prediction of PTSD

Abstract
Background
Predicting Posttraumatic Stress Disorder (PTSD) is a pre-requisite for targeted prevention. Current research has identified group-level risk-indicators, many of which (e.g., head trauma, receiving opiates) concern but a subset of survivors. Identifying interchangeable sets of risk indicators may increase the efficiency of early risk assessment. The study goal is to use supervised machine learning (ML) to uncover interchangeable, maximally predictive combinations of early risk indicators.

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