Diagnosis and classification of disorders specifically associated with stress: proposals for ICD-11

The factor structure of the International Trauma Questionnaire - Heywood cases in confirmatory factor analysis

Background: A number of studies have tested the factor structure of the suggested ICD-11 symptom criteria for PTSD and complex PTSD (CPTSD) across various trauma populations, finding support for two different models in line with the ICD-11 theoretical rationale.Objective: Here, we aim to explore the factor structure of the Danish version of the International Trauma Questionnaire (ITQ) by testing two alternative factor models that have previously gained support in a large sample of treatment-seeking veterans.Method: Treatment-seeking Danish soldiers and veterans (N = 599) recruited from the Military Psychology Department in the Danish Defence completed the International Trauma Questionnaire (ITQ). Confirmatory factor analysis (CFA) was used to assess fit of a first-order and a second-order model.Results: Both models fit the data well but displayed latent variable correlations above 1 and negative variances (known as Heywood cases), indicating model misspecification or other problems. The specification problems included the latent variable Affect Dysregulation.Conclusions: Based on our results and results reported in previous CFAs of the ITQ, we suggest consideration of the proposed models. While many previous studies did find support for the models with no indications of misfit, others find Heywood cases concerning the same items and latent variables as our analysis. Hence, models of (C)PTSD based on the ITQ should be carefully evaluated and interpreted.

Validation of a clinician-administered diagnostic measure of ICD-11 PTSD and complex PTSD: the International Trauma Interview in a clinical sample of military veterans

Background: The International Trauma Interview (ITI) is the first clinician-administered diagnostic tool developed to assess posttraumatic stress disorder (PTSD) and Complex PTSD (CPTSD), both recently recognized in the ICD-11. The current study aims to test the construct and discriminant validity of the ITI in a population of treatment-seeking veterans.Method: 124 Danish veterans seeking psychological treatment were interviewed by a group of trained clinicians for ICD-11 PTSD and CPTSD before beginning treatment at the Military Psychological Department in the Danish Defense. A series of confirmatory factor models were estimated in order to identify the extent to which latent variable operationalizations provide potential explanations for the associations between symptoms.Results: Results indicate that symptoms of CPTSD, as measured by the ITI, are best represented by a single higher-order factor. We also found that a bifactor model provided adequate fit to the data. The commonly identified two-factor higher-order model was rejected due to the lack of discriminant validity between PTSD and DSO. The higher order model was found to explain associations between symptoms of CPTSD and symptoms of depression, stress, anxiety, and well-being.Conclusion: The ITI does not fit a two-factor higher-order model in a sample of treatment-seeking Danish veterans. Rather, a single higher order factor shows excellent fit, and is found to explain associations between ITI symptoms and other internalizing symptoms.

Differential Functions of Oxytocin Receptor-Expressing Neurons in the Ventromedial Hypothalamus in Social Stress Responses: Induction of Adaptive and Maladaptive Coping Behaviors

BACKGROUND

The flexibility to adjust actions and attitudes in response to varying social situations is a fundamental aspect of adaptive social behavior. Adaptive social behaviors influence an individual's vulnerability to social stress. While it has been proposed that oxytocin is a facilitator of active coping behaviors during social stress, the exact mechanisms remain unknown.

METHODS

Using a social defeat stress paradigm in male mice, we identified the distribution of oxytocin receptor (OXTR)-expressing neurons in the ventrolateral part of the ventromedial hypothalamus (vlVMH) that are activated during stress by detection of c-Fos protein expression. We then investigated the role of vlVMH OXTR-expressing neurons in social defeat stress responses by chemogenetic methods or deletion of local OXTRs. The social defeat posture was measured for quantification of adaptive social behavior during repeated social stress.

RESULTS

Social defeat stress activated OXTR-expressing neurons rather than estrogen receptor 1-expressing neurons in the rostral vlVMH. OXTR-expressing neurons in the vlVMH were glutamatergic. Chemogenetic activation of vlVMH OXTR-expressing neurons facilitated exhibition of the social defeat posture during exposure to social stress, while local OXTR deletion suppressed it. In contrast, overactivation of vlVMH-OXTR neurons induced generalized social avoidance after exposure to chronic social defeat stress. Neural circuits for the social defeat posture centered on OXTR-expressing neurons were identified by viral tracers and c-Fos mapping.

CONCLUSIONS

vlVMH OXTR-expressing neurons are a functionally unique population of neurons that promote active coping behavior during social stress, but their excessive and repetitive activation under chronic social stress impairs subsequent social behavior.

Common Elements and Differences Among Treatment Approaches to Complex Post-Traumatic Stress Disorder: A Commentary on Five Case Studies

Treating people who have experienced deep and prolonged developmental trauma, that is, complex post-traumatic stress disorder (cPTSD), can be challenging given the complexity and severity of their presentations. The main features of complex post-traumatic stress disorder, that is, affective and behavioral dysregulation, altered self-experience and identity disturbances, relational difficulties, negative self-concepts, and negative pathogenic beliefs, are, at the same time, therapeutic goals and obstacles to treatment. Therefore, clinicians must be aware of these difficulties in order to identify them and be ready to treat them when they arise during therapy with the same client. For this reason, the clinical cases presented in this issue of the Journal of Clinical Psychology: In Session provide a very useful overview of how to deal with these manifestations from the perspective of different models of psychotherapy. This commentary, after briefly reviewing the clinical features and therapeutic difficulties of these clients, offers a critical summary of the commonalities and differences between the various approaches presented by the clinical cases in this special issue. The purpose is to help the reader navigate the key aspects of treating the pathogenetic processes involved in cPTSD and to identify the different therapeutic tools that may be applicable to the different clinical presentations.

«Scaringly Safe»: Therapeutic Processes in Longstanding Eating Disorders With Comorbid Avoidant Personality Disorders in the Recovered Case of Jade

Personality disorders (PD) are highly prevalent among patients with eating disorders (ED) and are often associated with unfavorable treatment outcomes. This may be due to poor engagement in therapy, interpersonal difficulties hampering the treatment alliance, and emotional instability overshadowing the ED symptoms. However, the patients' perspectives on these processes are understudied. To illustrate the potential of addressing personality vulnerabilities and relational issues in ED treatment, we present the case of Jade, a 29-year-old female with longstanding bulimia nervosa, major depressive disorder, and posttraumatic stress disorder following childhood maltreatment. Jade had been diagnosed with multiple PD such as paranoid, borderline, and avoidant PD, and at the time of treatment, she fulfilled the diagnostic criteria for the latter. Jade participated in a 12-week Cognitive Behavioral Therapy (CBT) inpatient program in a specialized ED unit. The treatment focused on the complex symptom interplay, specifically connecting early memories to current reactions, coping strategies, and relationship patterns. Jade normalized her eating patterns and trauma symptoms decreased. She highlighted being able to trust the staff and the treatment program as a prerequisite for ED improvement. Her narrative was triangulated with real-time self-report data examining ED symptoms (EDE-Q), interpersonal patterns (IIP-64), and trauma symptoms (PSS-SR) at assessment, admission, discharge, and 1-year follow-up. Jade was fully recovered from the ED at 1-year follow-up, however, the avoidant PD persisted. Considering the frequent ED-PD co-occurrence, the patient perspective may provide valuable insight to reduce long-term suffering by guiding tailored treatment approaches to improve outcomes for these difficult-to-treat patients. Trial Registration: NCT02649114.

Prolonged grief disorder

Prolonged grief disorder is a mental health disorder recently included in diagnostic manuals worldwide. This Review presents published research evidence in strong support for the current conceptualisation of prolonged grief disorder: a diagnosable mental health condition with core symptoms of yearning, preoccupation, or both, which is associated with symptoms of emotional pain, identity disturbances, loss of meaning and purpose, and functional impairment. The public and academic discourse surrounding prolonged grief disorder has catalysed researchers to produce methodologically rigorous research evidence in support of this much-needed diagnosis. A coherent syndrome of prolonged grief disorder has a typical onset of 6 to 12 months after the death of a close person. Prolonged grief disorder is associated with various poor outcomes, including negative health outcomes (eg, high blood pressure), increased rates of suicidality, low life satisfaction, and increased service use. Psychotherapy is the main treatment for prolonged grief disorder. Theoretical models of the cause and maintenance of prolonged grief disorder are presently being refined through the rapidly increasing empirical literature. Awareness of prolonged grief disorder by general health practitioners, as well as mental health specialists, is key to appropriate early intervention.

Assessment policy of post-traumatic stress disorder in aviation and its practical application using turbulence-triggered trauma as an example

The U.S. Federal Aviation Administration (FAA) recently provided detailed instructions on how Aviation Medical Examiners (AMEs) should assess and evaluate pilots for post-traumatic stress disorder (PTSD). The European, Australian and International Civil Aviation Organization guidelines for the assessment of PTSD in aviation are general guidelines and do not address the unique and specific circumstances of a flight crew per se. The starting point of the U.S. FAA's guidance is an already-established clinical PTSD diagnosis since it is known that PTSD compromises aviation safety and has been related to fatal aviation accidents. According to the FAA's guidance, a PTSD assessment is undertaken based on whether the condition is symptomatic and medicated, or whether more than 2 years have elapsed since showing symptoms and receiving medication. The International Classification of Diseases (ICD) criteria for stress disorders have changed between versions ICD-10 and the soon-to-be-released ICD-11. The new ICD-11 criteria are discussed in this article in the context of aviation health. Additionally, PTSD, potentially caused by an incident of turbulence, is discussed in the context of aviation mental health. There are currently no published studies on turbulence-caused mental trauma. We have identified in this article potential factors which are related to pilots' and cabin crew's stressors in incidents of severe and extreme turbulence. Three recommendations are provided: (1) harmonize assessment practices of PTSD internationally; (2) healthcare professionals taking care of traumatized flight crew should have a follow-up guide that takes specific and local conditions into account, and ensures the identification of patients who require follow-up treatment as early as possible; and (3) aviation health care professionals should consider ICD-11 diagnostic criteria as the information may be more useful in the assessment and diagnosis of aviation-related trauma.

A network analysis of ICD-11 complex PTSD symptoms in the treatment-seeking population in Iran

INTRODUCTION

The 11th revision of the World Health Organization's International Classification of Diseases (ICD-11) introduces a new disorder called complex posttraumatic stress disorder. This disorder is heterogeneous, and identifying its core symptoms is important for understanding its different aspects. The network approach to psychopathology allows for examining the structure of Complex PTSD at a symptom level, which helps in analyzing direct interactions between symptoms. This study aimed to explore the symptom structure of complex PTSD and identify critical symptoms in the treatment-seeking population in Iran.

METHODS

Participants consisted of 463 people referred to comprehensive health centers in Tehran from September to December 2023 with psychopathological syndromes who had a history of trauma at different developmental stages. Complex PTSD symptoms were assessed using the International Trauma Questionnaire (ITQ) and International Measurement of Exposure to Traumatic Event checklist. Network analysis was applied to identify the most central symptoms (nodes) and associations between symptoms (edges) by the graphical LASSO algorithm and the EBCglasso method for network estimation.

RESULTS

The result showed that the network of estimated symptoms for Complex PTSD in Iranian culture was highly accurate and stable. The most central symptoms in this network were feelings of failure and worthlessness. Additionally, "long-term upset" was identified as the connection between PTSD symptoms and DSO.

CONCLUSIONS

The study determined that feelings of failure and worthlessness are the most central symptoms in the Complex PTSD network. It was suggested that these symptoms should be given priority in theoretical and treatment models of Complex PTSD.

Cultural Adaptations to the Assessment and Treatment of Trauma Experiences Among Racial and Ethnic Minority Groups: A Mixed-Methods Systematic Review and Meta-Analysis

A higher prevalence of post-traumatic stress disorder (PTSD) exists among racial and ethnic minority groups who experience trauma; however, little is known about cultural adaptations of trauma assessments and interventions, or whether those adaptations meet cultural needs. This systematic review examined the effectiveness and experiences of culturally adapted trauma assessments and interventions for adults from racial and ethnic minority groups. Empirical studies investigating culturally adapted trauma assessment and/or interventions targeting adults from racial and ethnic minority groups were searched for in MEDLINE, PsycINFO, Embase, Scopus, CINAHL, Cochrane Central Register of Controlled Trials, Web of Science, from inception to May 2022. A total of 21 articles were included, and 8 common themes of adaptations were identified: socio-cultural integrations, collaboration, psychoeducation, language, cultural matching, addressing stigma, training for providers, and practical considerations. Random effects meta-analyses on intervention effects showed that culturally adapted interventions were more effective in reducing PTSD symptoms (7 randomized controlled trials [RCTs], n = 213, Standardized Mean Difference -0.67, 95% CI [-1.06, -0.25], I2 = 39%) and in ameliorating anxiety symptoms (5 RCTs, n = 168, SMD -1.92, 95% CI [-3.18, -0.67], I2 = 89%) when compared with non-adapted interventions at immediate post-intervention. No statistical difference in effects was found on depression, nor on PTSD or anxiety sustained beyond the post-intervention time-point. Thematic synthesis on participants' experiences showed that adapted interventions had positive influences on attitudes toward mental health and engagement with services. Future research should employ large-scale trial methods to test adapted trauma interventions over longer follow-up periods as well as to explore the subjective experiences of users of adapted interventions.

Post-traumatic stress disorder: evolving conceptualization and evidence, and future research directions

The understanding of responses to traumatic events has been greatly influenced by the introduction of the diagnosis of post-traumatic stress disorder (PTSD). In this paper we review the initial versions of the diagnostic criteria for this condition and the associated epidemiological findings, including sociocultural differences. We consider evidence for post-traumatic reactions occurring in multiple contexts not previously defined as traumatic, and the implications that these observations have for the diagnosis. More recent developments such as the DSM-5 dissociative subtype and the ICD-11 diagnosis of complex PTSD are reviewed, adding to evidence that there are several distinct PTSD phenotypes. We describe the psychological foundations of PTSD, involving disturbances to memory as well as to identity. A broader focus on identity may be able to accommodate group and communal influences on the experience of trauma and PTSD, as well as the impact of resource loss. We then summarize current evidence concerning the biological foundations of PTSD, with a particular focus on genetic and neuroimaging studies. Whereas progress in prevention has been disappointing, there is now an extensive evidence supporting the efficacy of a variety of psychological treatments for established PTSD, including trauma-focused interventions - such as trauma-focused cognitive behavior therapy (TF-CBT) and eye movement desensitization and reprocessing (EMDR) - and non-trauma-focused therapies, which also include some emerging identity-based approaches such as present-centered and compassion-focused therapies. Additionally, there are promising interventions that are neither psychological nor pharmacological, or that combine a pharmacological and a psychological approach, such as 3,4-methylenedioxymethamphetamine (MDMA)-assisted psychotherapy. We review advances in the priority areas of adapting interventions in resource-limited settings and across cultural contexts, and of community-based approaches. We conclude by identifying future directions for work on trauma and mental health.

Translation and Validation of the Arabic International Adjustment Disorder Questionnaire Among Patients with Physical Illness and Their Families in Iraq

Background

The populations of middle- and low-income countries are exposed to many stressors, and these are associated with worse mental health. The ICD-11 includes a section "Disorders specifically associated with stress" and there are many validated measures for the assessment of stress-related disorders. However, there is no self-reported measure of ICD-11 adjustment disorder available for use in Arabic-speaking populations. This study aimed to translate and validate the Arabic version of the self-reported International Adjustment Disorder Questionnaire.

Methods

Data was collected from Iraqi patients with physical illness and their families from October 6 to October 14, 2024, through a cross-sectional study conducted at Baghdad's Teaching Hospital and the Oncology Teaching Hospital. The R Environment for Statistical Programming was utilized for analysis.

Results

Findings from confirmatory factor analysis were consistent with previous studies by identifying two strongly correlated factors (r = 0.72), representing the 'preoccupation' and 'failure to adapt' symptom clusters. These factors showed reliable scores (α = 0.695 and 0.814) and significant relations to depression and anxiety. To avoid multicollinearity, a total symptom scale can be used, based on similarly positive relations to psychological states and high reliability (α = 0.798).

Conclusion

The Arabic translation demonstrates good psychometric properties and can be utilized in clinical and research settings.

Alliance processes in eating disorders with childhood maltreatment sequelae: Preliminary implications

BACKGROUND

Effective eating disorder (ED) treatments are drastically needed for patients with experiences of sustained and prolonged emotional, physical and sexual childhood maltreatment (CM) that often results in post-traumatic sequelae such as severe, complex posttraumatic stress disorder (cPTSD). EDs with comorbid cPTSD (cPTSD-ED) have protracted treatment courses and poorer prognoses.

AIM

To summarise the knowledge base on cPTSD-ED with specific emphasis on disturbances in self-organisation (DSO) in relation to therapeutic alliance (TA) processes.

METHOD

Expert opinions based on current relevant literature are critically examined.

RESULTS

Preliminary insights on change and alliance processes suggest that neglecting to address emotional-relational processes in the conceptualisation and treatment of cPTSD-ED impedes treatment progress.

CONCLUSION

We hypothesise that the DSO construct inherent in cPTSD-ED calls for a focus on TA processes in addition to traditional ED treatment elements such as nutritional rehabilitation and behaviour change, and regardless of ED treatment provided. More process research on a larger scale is urgently called for.

Factor validation of the International Trauma Questionnaire in a sample of trauma-exposed Colombian adults in the MI-VIDA study

BACKGROUND

The ICD-11 introduced a new diagnosis of complex post-traumatic stress disorder (CPTSD) defined by disturbances in self-organisation in addition to traditional post-traumatic stress disorder symptoms. The International Trauma Questionnaire (ITQ) is the established measure of this construct and has been validated for use in a variety of populations and languages; however, evidence for the measure's use in Latin America is limited.

AIMS

This study sought to validate the factor structure of the Latin American Spanish version of the ITQ in a trauma-exposed sample in Colombia.

METHOD

Confirmatory factor analysis was used to assess a range of factor models validated previously, including first- and second-order factor models.

RESULTS

Assessment of fit indices demonstrated that a correlated six-factor model comprised of re-experiencing, avoidance, sense of threat, affect dysregulation, negative self-concept and disturbed relationships provided the best fit for these data. Factor loadings for this model were found to be high and statistically significant.

CONCLUSION

Results concur with prior research validating the use of alternative language versions of the ITQ internationally, and with the theoretical underpinnings of the CPTSD diagnostic category. The ITQ is therefore a valid measure of CPTSD in this Latin American sample. Further validation research is needed in clinical populations in this region.

Adverse childhood experiences and ICD-11 complex posttraumatic stress disorder in Poland: a population-based study

Background: Research on the prevalence of ICD-11-based complex posttraumatic stress disorder (CPTSD) in nationally representative samples is lacking, with no such studies conducted considering national Polish samples until now.Objectives: The primary aim of this study was to explore profiles of study participants in terms of either PTSD or CPTSD symptoms regarding to ICD-11 diagnosis with the aid of latent profile analysis. We also investigated the relationship between the types and cumulative number of adverse childhood experiences (ACEs) with the probability of CPTSD rate in a national sample of Poles.Methods: A representative sample of Polish adults (n = 3,557) participated in this study. ACEs were assessed using the Adverse Childhood Experiences Questionnaire, while the core features of PTSD and CPTSD were measured using the International Trauma Questionnaire.Results: The findings showed a 11% prevalence rate of probable CPTSD in the studied sample of Poles. Sexual abuse, emotional neglect, physical neglect and having the experience of a mentally ill household member were the most significant predictors of potential diagnosis. Furthermore, significant differences concerning lifestyle data were observed in the group of participants with CPTSD.Conclusions: The current rate of probable CPTSD in Poland is substantially higher than the respective data reported for other countries. We also noted that the ICD-11 diagnosis of CPTSD may not apply to all cultural environments. Finally, it was observed that the ACEs - CPTSD association may depend both on the ACEs types as well as on their overall cumulative character.

Effects of Social Acknowledgment and Interpersonal Shame on Complex Posttraumatic Stress Disorder Symptoms of Sexual Violence Survivors in South Korea

Sexual violence (SV) survivors face negative social reactions, which can affect their recovery. Based on the socio-interpersonal model of trauma, understanding how societal circumstances impact SV survivors' mental health is important. This study examined conditional indirect effects of interpersonal shame and social acknowledgment on the relationship between perceived SV event severity and complex post-traumatic stress disorder (CPTSD) symptoms. Cross-sectional data from 157 community-based adults who had previously experienced SV were collected from an online panel. Exploratory factor analysis of the Social Acknowledgment Questionnaire was conducted, followed by conditional indirect analyses using Models 1, 4, and 7 of PROCESS macro. First, results showed that a two-factor model of social acknowledgment consisting of "social disapproval" and "social recognition" was more suitable for this study than a three-factor model predominantly used by Western societies. Second, interpersonal shame partially mediated the relationship between perceived SV event severity and CPTSD symptoms. Third, the conditional indirect effect of social disapproval on the mediating effect of interpersonal shame was significant when the social disapproval level was high. This indicates that the indirect effect of interpersonal shame on CPTSD increases when the social disapproval level is high. This study supported the socio-interpersonal perspective of trauma and suggested that increasing social acknowledgment beyond personal-level intervention would be a critical step for recovery of SV survivors to decrease their interpersonal shame and CPTSD.

Comparing the mental effects of interacting with farm animals and walking in a botanical garden

Over the past two decades, farm animal-assisted therapies have become popular. However, the effects of farm animals on healthy people's mental states have not yet been investigated. In Study 1, we aimed to explore whether positive effects of human-animal interaction (HAI) can be detected in healthy farm volunteers even after short-term (2-3 hours) work with goats and goatlings on a goat farm. We found that the participants' state anxiety decreased (p < 0.001) while their trust levels increased (p < 0.001) after interacting with goats. Nevertheless, it is possible that time spent in nature alone can have a beneficial effect on well-being. Therefore, in Study 2, we compared the results of Study 1 with those of a similar short-term outdoor treatment, walking in a botanical garden as a visitor. Similar but smaller effects were found for garden visitors. Decreases in anxiety scores and increases in trust scores were more pronounced in farm volunteers (anxiety: 25% vs 13%, p < 0.001; trust: 13% vs 3%, p = 0.002) after the treatments. Overall, the results suggest that the novel experience of interacting with goats and goatlings has a more positive effect on the mental state of healthy humans than walking in a botanical garden. This finding offer a strong foundation for developing animal assisted therapy methods for individuals with short or long term mental problems, but they can also enhance the wellbeing of mentally healthy people.

Predictive models of post-traumatic stress disorder, complex post-traumatic stress disorder, depression, and anxiety in children and adolescents following a single-event trauma

BACKGROUND

This study examined the power of theory-derived models to account for the development of PTSD, Complex PTSD (CPTSD), depression, and anxiety in children and adolescents who had experienced a single-event trauma.

METHODS

Children (n = 234, aged 8-17 years) recruited from local Emergency Departments were assessed at two and nine weeks post-trauma. Data obtained from self-report questionnaires completed by the child, telephone interviews with parents, and hospital data were used to develop four predictive models of risk factors for PTSD, CPTSD, depression, and Generalized Anxiety Disorder (GAD). ICD-11 proposed diagnostic criteria were used to generate measures for CPTSD and PTSD to assess for risk factors and identify the sample prevalence of these disorders.

RESULTS

At nine weeks post-trauma, 64% did not meet criteria for any disorder, 23.5% met criteria for PTSD, and 5.2% met criteria for CPTSD. 23.9% and 10.7% had developed clinically significant symptoms of depression and GAD, respectively. A cognitive model was the most powerful predictive model, a psychosocial model was weak, and subjective markers of event severity were more powerful than objective measures.

CONCLUSIONS

Youth exposed to single-incident trauma may develop different forms of psychopathology, and PTSD and CPTSD are frequently experienced alongside other conditions. The cognitive model of PTSD shows utility in identifying predictors of PTSD, CPTSD, depression, and GAD, particularly the role of trauma-related negative appraisals. This supports the application of cognitive interventions which focus upon re-appraising trauma-related beliefs in youth.

Complex PTSD symptoms predict positive symptoms of psychosis in the flow of daily life

BACKGROUND

Post-traumatic stress disorder (PTSD) has been shown to predict psychotic symptomology. However, few studies have examined the relative contribution of PTSD compared to broader post-traumatic sequelae in maintaining psychosis. Complex PTSD (cPTSD), operationalized using ICD-11 criteria, includes core PTSD (intrusions, avoidance, hyperarousal) as well as additional "disturbances of self-organisation" (DSO; emotional dysregulation, interpersonal difficulties, negative self-concept) symptoms, more likely to be associated with complex trauma histories. It was hypothesized that DSOs would be associated with positive psychotic symptoms (paranoia, voices, and visions) in daily life, over and above core PTSD symptoms.

METHODS

This study (N = 153) employed a baseline subsample of the Study of Trauma And Recovery (STAR), a clinical sample of participants with comorbid post-traumatic stress and psychosis symptoms. Core PTSD, DSO and psychosis symptoms were assessed up to 10 times per day at quasi-random intervals over six consecutive days using Experience Sampling Methodology.

RESULTS

DSOs within the preceding 90 min predicted paranoia, voices, and visions at subsequent moments. These relationships persisted when controlling for core PTSD symptoms within this timeframe, which were themselves significant. The associations between DSOs and paranoia but not voices or visions, were significantly stronger than those between psychosis and core PTSD symptoms.

CONCLUSIONS

Consistent with an affective pathway to psychosis, the findings suggest that DSOs may be more important than core PTSD symptoms in maintaining psychotic experiences in daily life among people with comorbid psychosis and cPTSD, and indicate the potential importance of addressing broad post-traumatic sequelae in trauma-focused psychosis interventions.

Dynamic networks of complex posttraumatic stress disorder and depression among college students with childhood trauma: insights from cross-sectional and cross-lagged panel network analysis

Background and Objective: There is a current research gap regarding the symptom structure and underlying causal relationships between complex posttraumatic stress disorder (CPTSD) and depressive symptoms. This longitudinal study used a cross-sectional network and cross-lag panel network (CLPN) to examine how CPTSD and depression symptoms interact over time in Chinese college students with childhood trauma.Methods: From 18,933 college students who took part in 2 surveys 12 months apart, 4006 participants (mean age: 20.07 ± 2.04) who reported childhood trauma were screened. Within this sample, there were 2354 (58.8%) males and 1652 (41.2%) females.Results: In the one-year interval CLPN model, it was found that depressive symptoms may precede other symptoms. Specifically, negative emotions and negative self-evaluations are more likely to predict subsequent symptoms. Conversely, in CPTSD, symptoms related to fear and anxiety, such as avoidance, intrusion, and hyperarousal, are more frequently activated by other symptoms, including negative emotionsConclusions: This finding offers a novel perspective on the interplay between CPTSD and depression, extending the existing theory. From a clinical standpoint, the points of intervention for comorbidity between depression and CPTSD who have experienced childhood trauma differ across different stages.

Reconceptualizing complex posttraumatic stress disorder: A predictive processing framework for mechanisms and intervention

In this article, we introduce a framework for interpreting Complex Posttraumatic Stress Disorder (C-PTSD) through predictive processing, a neuroscience concept explaining the brain's interpretation and prediction of sensory information. While closely related to PTSD, C-PTSD encompasses additional symptom clusters marked by disturbances in self-organization (DSO), such as negative self-concept, affect dysregulation, and relational difficulties, typically resulting from prolonged traumatic stressors. Our model leverages advances in computational psychiatry and neuroscience, offering a mechanistic explanation for these symptoms by illustrating how prolonged trauma disrupts the brain's predictive processing. Specifically, altered predictive mechanisms contribute to C-PTSD's symptomatology, focusing on DSO: (1) Negative self-concept emerges from maladaptive priors that bias perception towards self-criticism, misaligning expected and actual interoceptive states; (2) Misalignment between predicted and actual interoceptive signals leads to affect dysregulation, with sensitivity to bodily cues; and (3) Relationship challenges arise from skewed social prediction errors, fostering mistrust and withdrawal. This precision-focused approach sheds light on the dynamics underpinning C-PTSD and highlights potential intervention targets aimed at recalibrating the predictive processing system.

The Reciprocal Relationship Between Social Support in Bereavement and Posttraumatic Growth-A Random Intercept Cross-Lagged Analysis

Social support can promote posttraumatic growth (PTG) in the general trauma population. However, evidence on the reciprocal predictive relationship between social support and PTG is lacking, particularly among the bereaved. In this longitudinal study, we surveyed 181 adults who had lost first-degree relatives within 1 year at three intervals, each 6 months apart. The study utilized The Scale of Social Support in Bereavement (SSB), which distinguishes four domains of social support for the bereaved: living support, economic support, grief processing and emotion restoration. Additionally, The Posttraumatic Growth Inventory (PTGI) was used to measure PTG. Random intercepts cross-lagged panel model analyses revealed that social support and PTG were positively correlated at each time point at the within-person level. Moreover, at the within-person level, the total social support, as well as social support in the restoration-oriented domains at Time 2, positively predicted PTG at Time 3, but this relationship was not observed for grief processing support. Additionally, PTG at Time 1 positively predicted the receipt of emotion restoration support at Time 2 at the within-person level. The mutual influence between PTG and social support, as well as the differential relationship between types of support and PTG, enriches our understanding of ways to promote positive changes among the bereaved. The findings underscore the importance of restoration-oriented social support for bereaved individuals in facilitating PTG.

Understanding Trauma in IPV: Distinguishing Complex PTSD, PTSD, and BPD in Victims and Offenders

This work aims to shed light on the differential diagnosis of complex post-traumatic stress disorder (cPTSD), post-traumatic stress disorder (PTSD), and borderline personality disorder (BPD) within the context of intimate partner violence (IPV), which represents a highly innovative field of clinical research. To this end, a critical review of the literature was conducted to identify and compare the clinical patterns and symptomatic overlaps among cPTSD, PTSD, and BPD, with an emphasis on their manifestation in both IPV victims and offenders. The results show that despite some symptomatic similarities, cPTSD, PTSD, and BPD have distinct clinical patterns of interpersonal violence. Specifically, disturbances in self-organization (DSO) are more commonly found in offenders, while the diagnosis of cPTSD seems more aligned with the psychological functioning of victims. In addition, cPTSD and specific characteristics of BPD, such as fear of rejection and instability of identity, constitute risk factors for IPV victimization. cPTSD is shown as a predisposing factor not only for IPV victims but also for offenders, while PTSD emerges as a consequential factor. The specific pathways linking PTSD, cPTSD, and BPD with IPV have significant implications for clinical practice. Further research is needed to understand these profiles and the mechanisms linking trauma-related features to IPV, which is crucial for implementing effective violence prevention programs.

Psychometric Properties of the Revised Version of the Prolonged Grief Disorder Scale (PG-13-R): A Methodological Study in the Iranian Population

Prolonged grief disorder has recently been officially introduced as a new mental disorder. This study aimed to validate the Persian version of the revised Prolonged Grief Scale (PG-13-R). This study was conducted among the general population in Shahroud, Iran, during 2023. Employing face and content validity, along with exploratory and confirmatory factor analyses (EFA), the study validates the PG-13-R. Average variance extracted value showed an acceptable convergent validity. The EFA reveals a singular factor structure explaining 60.541% of the variance in prolonged grief disorder, and the confirmatory factor analysis demonstrates an excellent model fit. Internal consistency, evaluated through Cronbach's alpha and MacDonald's omega, highlights the scale's reliability. The Persian version of PG-13-R had acceptable composite reliability. Stability is confirmed by an intra-class correlation coefficient. In conclusion, the Persian PG-13-R displays satisfactory validity and reliability to assessing prolonged grief symptoms in the Iranian population.

Mental health in genocide: Balancing between posttraumatic distress and growth among displaced Yazidi mothers

BACKGROUND

The Islamic State of Iraq and Syria (ISIS) committed genocide of the Yazidis in Sinjar 2014, resulting in dispersion and enslavement. Research shows severe mental health problems, such as posttraumatic stress disorder (PTSD) among survivors, but less is known about their resources and strengths, conceptualized as posttraumatic growth (PTG).

AIMS

are to examine the balance between symptoms and strengths among Yazidi women caring for their infants by identifying groups differing in PTSD and PTG, and analyze how demographic, obstetric, and infant-related factors associate with the groups.

METHOD

Participants were 283 Yazidi mothers with their 1-18-month-old infants displaced in Kurdish Region of North Iraq. PTSD symptoms were measured by Harvard Trauma Questionnaire and PTG by the Posttraumatic Growth Inventory.

RESULTS

identified four groups: "Severe symptoms and low growth" (39%), "Low symptoms and moderate growth" (38%), "Moderate symptoms and very high growth" (13%), and "Moderate symptoms and low growth" (10%). Low education, economic difficulties and obstetric problems related to the "Severe symptoms and low growth" group, whereas newborn and infant health problems did not have an impact.

CONCLUSION

Effective help for genocide survivors should both alleviate suffering and encourage resources through tools of recreating a sense of cultural security and pride.

Retrospective ACEs predict complex PTSD symptoms in a large sample of Chinese young adults longitudinally: the moderating role of self-compassion

This longitudinal study in Mainland China (2021-2022) explored the impact of adverse childhood experiences (ACEs) on complex posttraumatic stress disorder (CPTSD) symptoms, with a focus on the role of self-compassion. Among 18,933 surveyed university students, 21.2% reported experiencing at least one ACE. Results revealed a clear relationship between ACEs and CPTSD symptoms. Furthermore, self-compassion, particularly the dimensions of self-judgment and isolation, moderated the association between retrospective ACEs and posttraumatic stress disorder (PTSD) and disturbance in self-organization (DSO) symptoms. These findings highlight the enduring impact of ACEs on CPTSD symptoms and emphasize the importance of early identification and targeted interventions, especially addressing self-judgment and isolation, to mitigate CPTSD risk among young Chinese adults.

Contemporaneous and temporal network analysis of complex Posttraumatic stress disorder among Chinese college students with Childhood adversity: A longitudinal study

OBJECTIVE

To enhance understanding of the longitudinal progression of complex posttraumatic stress disorder (CPTSD) symptoms, this longitudinal study examined how CPTSD symptoms interact over time in Chinese college students with childhood trauma.

METHODS

From 18,933 college students who took part in two surveys 12 months apart, 4,006 participants who reported adverse childhood experiences were screened. Cross-sectional network comparisons and cross-lagged panel network (CLPN) analysis characterized interactions among CPTSD symptoms.

RESULTS

In the cross-sectional networks, feeling like a failure and avoid activities reminiscent of the trauma were the central symptoms. Takes long time to calm down and exaggerated startle are important bridge symptoms in the two networks respectively. The comparison of cross-sectional networks indicates that the global network strength was stable. The findings of the CLPN model reveal that feel worthless and feel like a failure had the highest "out" expected influence; exaggerated startle and avoid thoughts and feelings about the trauma had the highest "in" expected influence.

CONCLUSIONS

By conducting cross-sectional network analyses, the study illuminated the attributes of CPTSD networks across various time points. Additionally, the CLPN analysis uncovered the longitudinal patterns of CPTSD symptoms.

Utilization of Mental Health Provision, Epistemic Stance and Comorbid Psychopathology of Individuals with Complex Post-Traumatic Stress Disorders (CPTSD)-Results from a Representative German Observational Study

Background: Complex post-traumatic stress disorder (CPTSD) is a severely debilitating recently added symptom cluster in the International Classification of Diseases (ICD-11). So far, only limited information on mental health treatment-uptake and -satisfaction of individuals with CPTSD is available. The aim of this study is to investigate these aspects in a representative sample of the German general population. Methods: Participants completed the International Trauma Questionnaire (ITQ) to identify participants with CPTSD, as well as questionnaires on mental health treatment uptake and satisfaction, adverse childhood experiences, anxiety, depression, working ability, personality functioning, and epistemic trust. Results: Of the included n = 1918 participants, n = 29 (1.5%) fulfilled the criteria for CPTSD. Participants with CPTSD had received mental health treatment significantly more often than participants with PTSD or depression (65.5% vs. 58.8% vs. 31.6%; p = 0.031) but reported significantly less symptom improvement (52.9% vs. 78.0% vs. 80.0%; p = 0.008). Lower levels of epistemic trust were associated with higher CPTSD symptoms (p < 0.001). Conclusions: Our study shows that while the vast majority of individuals with CPTSD had received mental health treatment, subjective symptom improvement rates are not satisfactory. CPTSD was associated with a broad number of comorbidities and impairments in functioning. Lower levels of epistemic trust may partially explain worse treatment outcomes.

Prolonged grief disorder symptomology in three African countries: A network analysis and comparison

Background

Bereavement is a globally prevalent life stressor, but in some instances, it may be followed by a persistent condition of grief and distress, codified within the 11th edition of the International Classification of Diseases (ICD-11) as prolonged grief disorder (PGD). Network analysis provides a valuable framework for understanding psychological disorders at a nuanced symptom-based level.

Aim

This study novelly explores the network structure of ICD-11 PGD symptomology in a non-Western sample and assesses the replication of this across three African country sub-samples in these data.

Methodology

Network models were estimated using the "Inventory of Complicated Grief-Revised" in a sample of trauma-exposed individuals who experienced bereavement throughout life (N = 1,554) from three African countries (Ghana, n = 290; Kenya, n = 619; Nigeria, n = 645). These networks were statistically evaluated using the network comparison test.

Results

It was found that "Feelings of Loss" and "Difficulty moving on" were the most central symptoms in the combined sample network. These findings were largely consistent for the Ghana and Nigeria sub-samples, however, network structure differences were noted in the Kenya sub-sample.

Conclusion

The identified PGD network highlights particular indicators and associations across three African samples. Implications for the assessment and treatment of PGD in these cultural contexts warrant consideration.

Prevalence, comorbidities, and factors associated with prolonged grief disorder, posttraumatic stress disorder and complex posttraumatic stress disorder in refugees: a systematic review

BACKGROUND

The number of refugees worldwide is at an all-time high with many being exposed to potentially traumatic events and the loss of loved ones. The 11th revision of the International Statistical Classification of Diseases and Related Health Problems now includes prolonged grief disorder and complex posttraumatic stress disorder and revised criteria for posttraumatic stress disorder. An overview of these stress-related disorders among people who have become refugees is therefore needed. Consequently, we conducted a systematic review to determine prevalence rates, comorbidities, and associated factors for each of the disorders.

METHOD

We systematically searched PubMed, Web of Science, and PsycArticles to identify studies that reported prevalence rates, predictors or associated factors, and/or comorbid mental disorders for either (1) prolonged grief disorder, (2) posttraumatic stress disorder, or (3) complex posttraumatic stress disorder among refugees. The selection process followed the PRISMA guidelines.

RESULTS

A total of 36 studies met the inclusion criteria. Most of the studies were of high quality. There was substantial variation in prevalence rates by disorder, with prolonged grief ranging from 6 to 54%, posttraumatic stress disorder ranging from 0.4 to 80%, and complex posttraumatic stress disorder ranging from 3 to 74.6%. Pooled prevalence for posttraumatic stress disorder was estimated at 29.8% in treatment seeking samples and 9.92% in population samples. For complex posttraumatic stress disorder, it was estimated at 57.4% in treatment seeking samples and 7.8% in population samples. Posttraumatic stress disorder was among the most frequent comorbidities for prolonged grief disorder while depressive symptoms were the most frequently occurring co-morbidity across all three disorders. Sociodemographic variables, trauma exposure, and loss characteristics were associated with higher symptom severity. Postmigration living difficulties played an important role in prolonged grief and complex posttraumatic stress disorder.

CONCLUSION

The review revealed substantial differences in prevalence rates between the three studied disorders but underscored a very high prevalence of ICD-11 stress-related disorders among refugees. The identified associated factors point to subgroups that may be particularly at risk and establishes a foundational basis for targeted interventions and potential policy changes. Future research should incorporate longitudinal investigations and emphasize culturally sensitive assessments.

Complex PTSD symptom clusters and executive function in UK Armed Forces veterans: a cross-sectional study

BACKGROUND

Less is known about complex posttraumatic stress disorder (CPTSD) than postrraumatic stress disorder (PTSD) in military veterans, yet this population may be at greater risk of the former diagnosis. Executive function impairment has been linked to PTSD treatment outcomes. The current study therefore aimed to explore possible associations between each CPTSD symptom cluster and executive function to understand if similar treatment trajectories might be observed with the disorder.

METHODS

A total of 428 veterans from a national charity responded to a self-report questionnaire which measured CPTSD symptom clusters using the International Trauma Questionnaire, and executive function using the Adult Executive Function Inventory. Single and multiple linear regression models were used to analyse the relationship between CPTSD symptom clusters and executive function, including working memory and inhibition.

RESULTS

Each CPTSD symptom cluster was significantly associated with higher executive function impairment, even after controlling for possible mental health confounding variables. Emotion dysregulation was the CPTSD symptom cluster most strongly associated with executive function impairment.

CONCLUSIONS

This is the first study to explore the relationship between executive function and CPTSD symptom clusters. The study builds on previous findings and suggests that executive function could be relevant to CPTSD treatment trajectories, as is the case with PTSD alone. Future research should further explore such clinical implications.

Effects of blast exposure on anxiety and symptoms of post-traumatic stress disorder (PTSD) among displaced Ukrainian populations

Generalized anxiety and symptoms of post-traumatic stress disorder (PTSD) are common among individuals forcibly displaced during war and conflict. Blast exposure may be one important contributor of such symptoms. The aims of this study were to provide data on blast-related experiences of internally displaced persons (IDPs) and refugees following Russia's invasion of Ukraine, and to assess the influence of blast exposure on generalized anxiety, and PTSD flashbacks and nightmares. An online health needs survey was distributed to Ukrainian IDPs and refugees between April and July 2022 using Facebook Ads Manager. Participants reported whether they experienced blast exposure since the beginning of the invasion, and whether they took medication for a mental health condition before the war started. Finally, they completed measures of generalized anxiety (GAD-2), and PTSD flashbacks and nightmares. Analyses included 3253 IDPs and 5073 refugees (N = 8326). Results revealed that 67.6% of total participants- 79.9% of IDPs and 61.7% of refugees-reported blast exposure since Russia's invasion. Further, 69.1% (95% CI: 68.05, 70.15) of total participants met the cut-off for generalized anxiety in which further diagnostic evaluation was warranted. Compared to refugees, IDPs reported higher generalized anxiety and greater frequency of PTSD symptoms, specifically flashbacks and nightmares. Further analyses revealed that the impact of blast exposure on flashback frequency was stronger among IDPs compared to refugees (β = 0.51; t(8322) = 11.88, p < .0001, 95% CI: 0.43, 0.60) and among participants with pre-existing mental health conditions compared to those without (β = 0.18; t(8157) = 2.50, p = .013, 95% CI: 0.04, 0.33). Mental health and psychosocial support must be prioritised within humanitarian relief for both IDPs and refugees and especially among people with underlying mental health conditions.

Improvements of complex post-traumatic stress disorder symptoms during a multimodal psychodynamic inpatient rehabilitation treatment - results of an observational single-centre pilot study

Background: Complex post-traumatic stress disorder (CPTSD) describes chronic disturbances in self-organization (i.e. affect dysregulation; negative self-concept; severe difficulties in relationships) which are frequently observed in survivors of prolonged, repeated or multiple traumatic stressors. So far, evidence of psychodynamic treatment approaches for CPTSD is scarce.Methods: In this single-centre observational pilot study, symptom change during a 6-week psychodynamic inpatient treatment in a multimodal psychosomatic rehabilitation centre was evaluated using repeated measures analyses of variance (ANOVAs). Patients completed questionnaires on PTSD and CPTSD symptoms (ITQ), anxiety, depression and somatization (BSI-18), functional impairment (WHODAS) and epistemic trust, mistrust and credulity (ETMCQ) before (T1) and at the end of treatment (T2). A hierarchical linear regression analysis was calculated to identify factors associated with improved CPTSD symptoms.Results: A total of n = 50 patients with CPTSD were included in the study, of whom n = 40 (80%) completed treatment. Patients reported a significant reduction of CPTSD symptoms during treatment with a large effect size (-3.9 points; p < .001; η2 = .36), as well as a significant reduction of psychological distress (p < .001; η2 = .55) and functional impairment (p < .001; η2 = .59). At the end of treatment, 41.0% of patients no longer fulfilled the diagnostic criteria for CPTSD. Changes in epistemic stance included improved epistemic trust (β = -.34, p = .026) and decreased epistemic credulity (β = .37, p = .017), which together with lower age (β = .43, p = .012) and lower depression levels at baseline (β = .35, p = .054) were significantly associated with baseline adjusted mean change of CPTSD symptoms during therapy and explained 48% of its variance.Discussion: In our study, patients reported a significant reduction of CPTSD symptoms and comorbid symptoms during a multimodal psychodynamic inpatient rehabilitation treatment. Improved epistemic trust may facilitate the establishment of a trusting therapeutic relationship, thus fostering an environment of openness for knowledge transfer (i.e. social learning) and the exploration of diverse viewpoints and perspectives in the therapeutic process.

Rumination and altered reactivity to sensory input as vulnerability factors for developing post-traumatic stress symptoms among adults with autistic traits

OBJECTIVE

Recent literature has suggested that individuals with autism spectrum disorder (ASD) or autistic traits (ATs) would be more likely to encounter traumatic events in their lifetime and to develop post-traumatic stress disorder (PTSD). However, the nature of this relationship has not yet been fully elucidated. The aims of this study were to evaluate the relationship between AT and PTSD and to investigate which specific autistic dimension was more associated with trauma and stress-related symptoms.

METHODS

A total of 68 subjects with ASD and 64 healthy controls (HCs) were assessed with the Adult Autism Subthreshold Spectrum (AdAS Spectrum) and the Trauma and Loss Spectrum (TALS) questionnaires. Statistical analyses included Mann-Whitney U test, chi-square test, calculation of Spearman's coefficients, and logistic regression analysis.

RESULTS

Patients with significant AT reported a 30% rate of PTSD and higher TALS total and domain scores than HCs, among whom no PTSD was found instead. Significant positive correlations were reported between AdAS Spectrum and TALS-SR scores in the whole sample. AdAS Spectrum total scores were statistically predictive of the presence of PTSD. High scores at AdAS Spectrum Inflexibility and adherence to routine and Restrictive interest and rumination domains were identified as positive predictors of a probable PTSD.

CONCLUSION

Compared to HCs, subjects with significant AT are more likely to present symptoms of PTSD. In particular, AT related to ruminative thinking, narrow interests, and sensorial reactivity would seem to predict the presence of post-traumatic stress symptomatology.

[Posttraumatic stress disorder in children and adolescents: results of a cross-sectional study on the effects of the newly formulated PTSD and CPTSD diagnoses in the ICD-11]

BACKGROUND

ICD-11 presents narrowed criteria for posttraumatic stress disorder (PTSD) and introduces complex PTSD (CPTSD) with additional difficulties in self-organization (DSO). These changes can have significant effects on the frequency of the diagnosis. The aim of this study was to investigate which ICD-11 symptom clusters cause children and adolescents to miss the diagnosis and whether caregivers are more likely to attribute changes in DSO to developmental level or to the traumatic event, and how these attributions are in turn related to symptom severity.

METHODS

N = 88 German-speaking children and adolescents (age: 7-17 years) after traumatic events and N = 79 caregivers participated between September 2019 and November 2020 in a survey on PTSD symptom severity (CATS-2) and attribution of DSO symptoms (caregiver questionnaire).

RESULTS

The ICD-11 criteria (CATS‑2 and a developmentally adapted version) showed lower frequency rates for PTSD as compared to DSM‑5 and ICD-10. The ICD-11 clusters re-experiencing and hyperarousal were met the least often. Changes in DSO symptoms were predominantly rated as event-related. This attribution was associated with higher PTSD and DSO symptom severity in caregiver reports. The age-related attribution was associated with higher DSO-symptom severity, but not PTSD symptom severity in caregiver reports.

DISCUSSION

In the context of the diagnostic process and the revision of diagnostic instruments for ICD-11 (C)PTSD, development-specific symptoms should be taken into account. The trauma-related differentiation of DSO symptom changes as compared to development-related fluctuations is challenging and therefore requires several sources of information.

In Their Own Words: Women Veterans Identify the Personal Consequences of Military Sexual Trauma Victimization

This qualitative study provides a platform for women veterans to inform our perspective of their experienced impacts following military sexual trauma (MST). We engaged 23 women veterans in semistructured interviews and used a grounded theory-informed thematic analytic approach, to interpret women's experiences. Women described negative impacts of their MST experiences across psychological, behavioral, and occupational domains. Less frequently, women discussed experiences of posttraumatic growth. These results aid our understanding of the complexities of women's posttrauma experiences and suggest that holistic intervention frameworks focused on a range of potential intervention targets are warranted in helping women veterans recover from MST.

"I Have No Words": A Qualitative Study About the Traumatic Experience of Violent Death

Individuals bereaved by violent death have a higher risk of developing psychopathology. Consistent data concerning the subjective experience during the traumatic event of the death are still scarce. This study aimed to explore the traumatic experience of the violent death of a loved one. Nine reports of patients bereaved by violence were selected and transcribed. Reports were analyzed using Bardin's Content Analysis. Two final categories were generated. It was observed that most participants remembered details about the traumatic event or the time they were told about the violent death. There were two factors described as important when coping with the loss, social support during the traumatic event, and receiving detailed information from the authorities and others present in that moment. This study provides relevant data for future interventions during violent situations by health and security professionals.

Examining accurate diagnosis of complex PTSD in ICD-11

BACKGROUND

Complex posttraumatic stress disorder (complex PTSD), the most frequently suggested new category for inclusion by mental health professionals, has been included in the Eleventh Revision of the World Health Organization's International Classification of Diseases (ICD-11). Research has yet to explore whether clinicians' recognition of the distinct complex PTSD symptoms predicts giving the correct diagnosis. The present study sought to determine if international mental health professionals were able to accurately diagnose complex PTSD and identify the shared PTSD features and three essential diagnostic features, specific to complex PTSD.

METHODS

Participants were randomly assigned to view two vignettes and tasked with providing a diagnosis (or indicating that no diagnosis was warranted). Participants then answered a series of questions regarding the presence or absence of each of the essential diagnostic features specific to the diagnosis they provided.

RESULTS

Clinicians who recognized the presence or absence of complex PTSD specific features were more likely to arrive at the correct diagnostic conclusion. Complex PTSD specific features were significant predictors while the shared PTSD features were not, indicating that attending to each of the specific symptoms was necessary for diagnostic accuracy of complex PTSD.

LIMITATIONS

The use of written case vignettes including only adult patients and a non-representative sample of mental health professionals may limit the generalizability of the results.

CONCLUSIONS

Findings support mental health professionals' ability to accurately identify specific features of complex PTSD. Future work should assess whether mental health providers can effectively identify symptoms of complex PTSD in a clinical setting.

The International Grief Questionnaire (IGQ): A new measure of ICD-11 prolonged grief disorder

Prolonged grief disorder (PGD) is included in the 11th version of the International Statistical Classification of Diseases and Related Health Problems (ICD-11). This study sought to test the validity and reliability of a new brief measure to screen for ICD-11 PGD-the International Grief Questionnaire (IGQ). The psychometric properties of the IGQ were tested using data collected from two bereaved samples of adults from the United Kingdom (n = 1,012) and Ireland (n = 1,011). Confirmatory factor analysis demonstrated that a correlated two-factor model best captured the latent dimensionality of the IGQ in both samples. Estimates of internal reliability were high, whereas the convergent and concurrent validity of the scale were supported through strong associations with external measures. Measurement invariance and differential item functioning testing showed no statistically significant difference in the latent structure of the IGQ nor the functioning of the IGQ items by age, sex, and nationality. For participants who were bereaved for more than 6 months, the rates of probable PGD derived from the IGQ were 10.9% and 15.3% for the Irish and U.K. samples, respectively. The IGQ is a brief, easy-to-use, self-report screening measure that captures all diagnostic criteria of PGD set forth in the ICD-11. Findings from this study provide initial support for the validity, measurement invariance, and reliability of the IGQ among two national samples.

Relieving the burden of intensive labeling for stress monitoring in the wild by using semi-supervised learning

Stress, a natural process affecting individuals' wellbeing, has a profound impact on overall quality of life. Researchers from diverse fields employ various technologies and methodologies to investigate it and alleviate the negative effects of this phenomenon. Wearable devices, such as smart bands, capture physiological data, including heart rate variability, motions, and electrodermal activity, enabling stress level monitoring through machine learning models. However, labeling data for model accuracy assessment poses a significant challenge in stress-related research due to incomplete or inaccurate labels provided by individuals in their daily lives. To address this labeling predicament, our study proposes implementing Semi-Supervised Learning (SSL) models. Through comparisons with deep learning-based supervised models and clustering-based unsupervised models, we evaluate the performance of our SSL models. Our experiments show that our SSL models achieve 77% accuracy with a classifier trained on an augmented dataset prepared using the label propagation (LP) algorithm. Additionally, our deep autoencoder network achieves 76% accuracy. These results highlight the superiority of SSL models over unsupervised learning techniques and their comparable performance to supervised learning models, even with limited labeled data. By relieving the burden of labeling in daily life stress recognition, our study advances stress-related research, recognizing stress as a natural process rather than a disease. This facilitates the development of more efficient and accurate stress monitoring methods in the wild.

Responding to concerns related to the measurement of ICD-11 complex posttraumatic stress disorder using the International Trauma Questionnaire

BACKGROUND

A recent study in this journal by Frewen et al. (2023) provided a critical analysis of the most widely used measure of ICD-11 Complex Posttraumatic Stress Disorder (CPTSD), the International Trauma Questionnaire (ITQ). The article was a thoughtful review and gave voice to several widely held concerns about the nature of CPTSD as it is represented in ICD-11 and measured by the ITQ. The primary concern expressed by Frewen et al. was that the symptom profile of ICD-11 CPTSD, as represented in the ITQ, is too simple and fails to provide adequate coverage of the construct.

OBJECTIVE

Despite its quality, the article included several misunderstandings about the nature of ICD-11 CPTSD, and the function of the ITQ, that we wish to clarify.

PARTICIPANTS

Not applicable.

SETTING

Not applicable.

RESULTS

In this article, we provide a description of what ICD-11 PTSD and CPTSD are, a review of the process that led to their inclusion in ICD-11, how the ITQ was developed and refined to measure these constructs. We then provide responses to several of the most important concerns raised by Frewen et al. CONCLUSIONS: We highlight the clinical utility of the ICD-11 descriptions of PTSD and CPTSD and discuss how the ITQ can be used as part of a suite of clinical assessments to accurately describe and understand common experiences of psychological distress that often result from exposure to traumatic life events.

Is Dissociation a Fundamental Component of ICD-11 Complex Posttraumatic Stress Disorder?

ICD-11 Complex Posttraumatic Stress Disorder (CPTSD) is a disorder of six symptom clusters including reexperiencing, avoidance, sense of threat, affective dysregulation, negative self-concept, and disturbed relationships. Unlike earlier descriptions of complex PTSD, ICD-11 CPTSD does not list dissociation as a unique symptom cluster. We tested whether the ICD-11 CPTSD symptoms can exist independently of dissociation in a nationally representative sample of adults (N = 1,020) who completed self-report measures. Latent class analysis was used to identify unique subsets of people with distinctive symptom profiles. The best fitting model contained four classes including a "low symptoms" class (48.9%), a "PTSD" class (14.7%), a "CPTSD" class (26.5%), and a "CPTSD + Dissociation" class (10.0%). These classes were related to specific adverse childhood experiences, notably experiences of emotional and physical neglect. The "PTSD," "CPTSD," and "CPTSD + Dissociation" classes were associated with a host of poor health outcomes, however, the "CPTSD + Dissociation" class had the poorest mental health and highest levels of functional impairment. Findings suggest that ICD-11 CPTSD symptoms can occur without corresponding dissociative experiences, however, when CPTSD symptoms and dissociative experiences occur together, health outcomes appear to be more severe.

Measuring post-traumatic stress disorder and complex post-traumatic stress disorder using the International Trauma Questionnaire: results from a Hungarian clinical and non-clinical sample

Background: The 11th revision of the International Classification of Diseases (ICD-11) simplified the description of post-traumatic stress disorder (PTSD) and also introduced a new trauma-related diagnosis called complex post-traumatic stress disorder (CPTSD). CPTSD is linked to earlier, prolonged interpersonal trauma, and is characterized by a broader range of symptoms, in addition to the core PTSD symptoms. The International Trauma Questionnaire (ITQ) has been developed to assess the new diagnostic criteria.Objectives: The primary aim of our study was to test the factor structure of the ITQ in a clinical and a non-clinical Hungarian sample. We also examined whether the degree of traumatization or the type of trauma experienced was associated with meeting the criteria for PTSD or CPTSD, or with the severity of PTSD or disturbances in self-organization (DSO) symptoms, in both samples.Method: A trauma-exposed heterogeneous clinical sample (N = 176) and a non-clinical sample (N = 229) filled out the ITQ and a modified version of the Life Events Checklist (LEC-5). The factor structure of the ITQ was tested by examining the model fit of seven competing confirmatory factor analysis models.Results: A two-factor second-order model with a second-order PTSD factor (measured by three first-order factors) and a DSO factor (measured directly by six symptoms) had the best fit to the data in both samples if an error correlation was allowed between negative self-concept items. Those in the clinical group who reported more interpersonal and childhood trauma experienced more PTSD and DSO symptoms. Also, there were significant, positive, and weak associations between the total number of different traumas and PTSD and DSO factor scores in both samples.Conclusion: ITQ was found to be a reliable tool to differentiate between PTSD and CPTSD, two related but distinct constructs in a clinical and a non-clinical trauma-exposed sample in Hungary.

What are the predictive variables that increase the risk of developing a complex trauma? A meta-analysis

In 2018, Complex Post Traumatic Stress Disorder (CPTSD) was officially recognized as a distinct syndrome in the International Classification of Diseases, 11th Revision (ICD-11). This recognition aimed to differentiate between neurotic disorders secondary to stressful situations and somatoform disorders, and disorders specifically associated with stress. The inclusion of CPTSD in the ICD-11 marked the culmination of two decades of research focused on understanding its symptoms, treatments, and risk factors. However, despite the progress made, a comprehensive meta-analysis to elucidate the specific risk factors and impact on the development of CPTSD is still lacking. The objective of this article is to conduct such a meta-analysis. A total of 24 studies were selected for analysis, and the findings revealed several key risk factors associated with the development of CPTSD. The main risk factor identified is having experienced sexual abuse in childhood (k = 12; OR = 2.880). In addition, childhood physical abuse (k = 11; OR = 2.841), experiencing emotional neglect during childhood (k = 5; OR = 2.510), physical abuse throughout life (k = 8; OR = 2.149) and being a woman (k = 13; OR = 1.726) were also significant risk factors.

Symptom structure of complex posttraumatic stress disorder among Chinese young adults with childhood trauma: a network analysis

BACKGROUND

The 11th revision of the World Health Organization's International Classification of Diseases (ICD-11) includes a new disorder, complex posttraumatic stress disorder (CPTSD), the diagnostic applicability of which has not been discussed sufficiently in Chinese culture. The network approach to psychopathology enables investigation of the structure of disorders at the symptom level, which allows for analysis of direct symptom interactions. The main objectives of the present study were to explore CPTSD symptom structure and identify key symptoms in CPTSD among young adults in China.

METHODS

The present study collected a large, stratified sample of Beijing university students (1368), ranging from 18 to 25 years old, the majority of whom (65.4%) were female. CPTSD symptoms were assessed using the International Trauma Questionnaire (ITQ). A regularized partial correlation network and Bayesian network were applied to estimate the network structure and the upstream symptoms of CPTSD, respectively.

RESULTS

The regularized partial correlation network showed that the high central symptoms were feelings of failure and hypervigilance, while the bridge symptom between posttraumatic stress disorder (PTSD) and disturbance in self-organization (DSO) domains was long-term upset. The Bayesian network showed that external avoidance and hypervigilance symptoms were upstream in CPTSD symptoms.

CONCLUSIONS

Hypervigilance is a central symptom that can be predictive of other symptoms of CPTSD. While feeling of failure is also a highly central symptom, it may be influenced by other symptoms. In the diagnosis and intervention of CPTSD, more attention should be given to hypervigilance symptoms.

Grieving Parents' Meaning-Making Narration in Relation to Value Orientations: A Cross-Cultural Study

This study investigated the association between prolonged grief (PG) severity and meaning-making narration in a cross-cultural context, and specifically aimed to illustrate the role of value orientation in shaping the grieving process. 30 Chinese and 22 Swiss parents who lost their child were asked to narrate and appraise specific memories to reflect their self-evaluation of traditional and modern values. The self-reported Prolonged Grief Disorder Scale (ref ICD-11) assessed PG severity. Compared with the Swiss sample, the Chinese sample provided more elaborated memories, which was not associated with symptom severity. Both Chinese and Swiss bereaved parents with more severe PG provided more narratives of loss-related memories, particularly in response to modern values. They also provided more appraisals of negative meanings for self-defining memories, particularly in relation to their traditional values. These findings indicate that, despite cultural differences in narration tendency, PG severity in bereaved parents was associated with the maladaptive integration of autobiographical memories across different cultures, in relation to value orientations. A clinical implication is the potential value of facilitating narrations of grieving clients that center on value orientations to mitigate the hardship of the personal loss.

Psychometric evaluation of the Swedish Traumatic Grief Inventory Self-Report Plus (TGI-SR+) in bereaved parents

The International Classification of Diseases Eleventh Edition (ICD-11), and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR), now include prolonged grief disorder (PGD). Since criteria for PGD in both classification systems differ from prior proposed grief disorders and each other, the validation of a single instrument to screen for prolonged grief (PG) symptoms of both new diagnoses is critical for bereavement research and care. Therefore, we evaluated the psychometric properties of the Swedish version of the Traumatic Grief Inventory Self-Report Plus (TGI-SR+). Two-hundred and forty-eight bereaved parents completed questions about sociodemographic and loss-related variables, the TGI-SR+, and symptom measures of post-traumatic stress (PTS), depression and an older measure of PG symptoms, the Prolonged Grief Disorder-13 (PG-13). Confirmatory factor analyses showed that a one-factor model best fit DSM-5-TR and ICD-11 PG symptoms and the analyses of the internal consistency and inter-item correlations showed that these symptoms could be reliably assessed. In support of convergent validity, DSM-5-TR and ICD-11 PG symptoms correlated with symptoms of PTS, depression and PG assessed with the PG-13. In support of known-groups validity, DSM-5-TR and ICD-11 PG symptoms were higher among lower educated (vs. higher educated) participants and related negatively to time since loss. ROC analyses showed optimal cut-off score of ≥71 and ≥72 to determine probable caseness for DSM-5-TR and ICD-11 PGD, respectively. Results support the reliability and validity of the Swedish TGI-SR+ as a screening instrument for PG in research and bereavement care.

Initial validation of the International Trauma Questionnaire (ITQ) in a sample of Chilean adults

BACKGROUND

ICD-11 Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD) are stress-related disorders. The International Trauma Questionnaire (ITQ) is a widely used instrument to assess PTSD and CPTSD. To date, there is no evidence of the psychometric characteristics of the ITQ in Latin American countries.

OBJECTIVE

The aim of this study was to assess the construct and concurrent validity of the Latin American Spanish adaptation of the ITQ in a sample of Chilean adults.

METHODS

A sample of 275 Chilean young adults completed the ITQ, a traumatic life events checklist, the Adverse Childhood Experiences Questionnaire, the Depression Anxiety Stress Scales-21, and the Columbia-Suicide Severity Rating Scale short version. Four alternative confirmatory factor analysis models were tested. Correlation analyses were performed to determine concurrent validity with associated measures (number of reported traumatic events, number of adverse childhood experiences, anxiety, depression, and suicidal risk).

RESULTS

The second-order two-factor (PTSD and DSO) and the correlated first-order six-factor model provided acceptable fit; however, the first model showed a better fit based on the BIC difference. The PTSD and DSO dimensions, as well as the six ITQ clusters showed positive correlations with reported number of traumatic life-events, reported number of adverse childhood experiences, levels of anxiety, depression, and suicidal risk.

CONCLUSIONS

The ITQ Latin American Spanish adaptation provides acceptable psychometric evidence to assess PTSD and CPTSD in accordance with the ICD-11.

Understanding the Association of Self-Efficacy, Mood, and Demographics with Physical Activity in Syrian and Iraqi Refugees: A Cross-Sectional Study in Jordan

Objective

This cross-sectional study aimed at investigating the influence of sociodemographic factors on physical activity among Syrian and Iraqi refugees in Jordan. In addition, it sought to determine the predictive ability of self-efficacy and mood in relation to the level of physical activity in this population.

Methods

A convenient sample of refugees residing in Jordanian cities was collected. Participants completed a self-administered questionnaire pack consisting of a demographic data sheet, a physical activity level questionnaire, the Brunel Mood Scale, and the General Self-Efficacy Scale. Descriptive analysis was used to analyze demographic details, while the chi-square test examined the association between physical activity and demographic factors. The independent t-test assessed differences in self-efficacy and mood subscales in relation to physical activity. Logistic regression analysis was employed to identify potential predictors of the two categories of physical activity.

Results

Most participants reported low levels of physical activity. The frequency of moderate-to-high physical activity was higher in male participants, those with higher education, better health, and higher income. Compared to participants of low physical activity, those in the moderate-to-high physical activity category expressed significantly higher mean score of self-efficacy but lower mean scores of tension, depression, anger, vigor, fatigue, and confusion, indicating better mood. The logistic regression analysis for physical activity indicated that the model was significant for education, income, good health perception, self-efficacy, and one mood subscale (vigor), with these variables collectively accounting for 11-18% of the variance (P value <0.001).

Conclusion

The higher physical activity level is significantly associated with being male, higher education, higher income, better health, higher self-efficacy, and increased vigor. These findings highlight the importance of considering sociodemographic factors and psychological aspects, such as self-efficacy and mood, when addressing physical activity among refugees in Jordan.

Diagnosed Posttraumatic Stress Disorder and Other Trauma-Associated Stress Disorders and Risk for Suicide Mortality

OBJECTIVE

Strong evidence exists for posttraumatic stress disorder (PTSD) as a risk factor for suicidal thoughts and behaviors across diverse populations. However, few empirical studies have examined PTSD and other trauma-associated stress disorders as risk factors for suicide mortality among health system populations. This study aimed to assess trauma-associated stress diagnoses as risk factors for suicide mortality in a U.S. health system population.

METHODS

This case-control, matched-design study examined individuals who died by suicide between 2000 and 2015 and had received care from nine U.S. health systems affiliated with the Mental Health Research Network (N=3,330). Individuals who died by suicide were matched with individuals from the general health system population (N=333,000): 120 individuals with PTSD who died by suicide were matched with 1,592 control group members, 84 with acute reaction to stress were matched with 2,218 control individuals, and 331 with other stress reactions were matched with 8,174 control individuals.

RESULTS

After analyses were adjusted for age and sex, individuals with any trauma-associated stress condition were more likely to have died by suicide. Risk was highest among individuals with PTSD (adjusted OR [AOR]=10.10, 95% CI=8.31-12.27), followed by those with other stress reactions (AOR=5.38, 95% CI=4.78-6.06) and those with acute reaction to stress (AOR=4.49, 95% CI=3.58-5.62). Patterns of risk remained the same when the analyses were adjusted for any comorbid psychiatric condition.

CONCLUSIONS

All trauma-associated stress disorders are risk factors for suicide mortality, highlighting the importance of health system suicide prevention protocols that consider the full spectrum of traumatic stress diagnoses.

A pull to be close: The differentiating effects of oxytocin and grief stimulus type on approach behavior in complicated grief

Theoretical models of complicated grief (CG) suggest that maladaptive motivational tendencies (e.g., perseverative proximity-seeking of the deceased; excessive avoidance of reminders) interfere with a person's ability to recover from their loved one's death. Due in part to conflicting evidence, little mechanistic understanding of how these behaviors develop in grief exists. We sought to (1) identify behavioral differences between CG and non-CG groups based on approach/avoidance bias for grief-, deceased-, and social-related stimuli, and (2) test the role of the neuropeptide oxytocin in shaping approach/avoidance bias. Widowed older adults with (n = 17) and without (n = 22) CG completed an approach/avoidance task measuring implicit bias for both personalized and non-specific grief-related stimuli (among other stimuli). In a double-blinded, randomized, counterbalanced design, each participant attended both an intranasal oxytocin session and a placebo session. Aims were to (1) identify differential effects of CG and stimulus type on implicit approach/avoidance bias [placebo session], and (2) investigate interactive effects of CG, stimulus type, and oxytocin vs. placebo on approach/avoidance bias [both sessions]. In the placebo session, participants in the non-CG group demonstrated an approach bias across all stimuli. Intranasal oxytocin had an overall slowing effect on the CG group's response times. Further, oxytocin decreased avoidance bias in response to photos of the deceased spouse in the CG group only. Findings support the hypothesis that oxytocin has a differential effect on motivational tendency in CG compared to non-CG, strengthening evidence for its role in CG. Findings also emphasize the need to consider differences in personalized vs. generic stimuli when designing grief-relevant tasks.