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1.
Eur J Psychotraumatol ; 15(1): 2324631, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38511498

RESUMO

Background: Maladaptive trauma appraisal plays an important role in the development and maintenance of posttraumatic stress disorder (PTSD). While studies have demonstrated the effectiveness of exposure and cognitive treatments for PTSD symptomatology, the effect of such treatments on specific trauma appraisals is still not well understood.Objective: The study investigated the effect of an exposure and a cognitive restructuring internet-based treatment on specific trauma appraisals in Arabic-speaking participants with PTSD.Method: 334 participants received either an exposure (n = 167) or a cognitive restructuring (n = 167) internet-based treatment. PTSD symptom severity (PCL-5) and specific trauma appraisals (TAQ) were assessed at pre- and post-treatment. Changes in specific trauma appraisals within and between the two treatments were analyzed using multi-group change modelling. Associations between changes in PTSD symptom severity and changes in trauma appraisals were evaluated using Pearson product-moment correlation. For both treatments, participants with versus without reliable improvement were compared regarding changes in specific trauma appraisals using Welch tests. Analyses were performed on 100 multiple imputed datasets.Results: Both treatments yielded significant changes in shame, self-blame, fear, anger, and alienation (all ps < .001). Changes in betrayal were only significant in the cognitive restructuring treatment (p < .001). There was no evidence of differences between treatments for any specific trauma appraisal. Changes in PTSD symptom severity were significantly associated with changes in trauma appraisals (all ps < .001). In both treatments, participants who experienced reliable improvement in PTSD symptom severity showed significantly larger pre- to post-treatment changes in specific trauma appraisals compared to those without reliable improvement. Again, differences in betrayal were only significant in the cognitive restructuring treatment.Conclusions: The findings indicate that both treatments are effective in reducing trauma appraisals in Arabic-speaking people with PTSD. Changes in trauma appraisal seem to be associated with changes in PTSD symptomatology.Trial registration: German Clinical Trials Register identifier: DRKS00010245.


Exposure and cognitive restructuring treatment in Arabic-speaking individuals with PTSD yield significant changes in shame, self-blame, fear, anger, and alienation.Changes in PTSD symptoms are positively associated with changes in specific trauma appraisals.There is no evidence of differences between both treatments for any specific trauma appraisal.


Assuntos
Transtornos de Estresse Pós-Traumáticos , Humanos , Transtornos de Estresse Pós-Traumáticos/psicologia , Terapia de Reestruturação Cognitiva
2.
JMIR Ment Health ; 10: e48689, 2023 Dec 13.
Artigo em Inglês | MEDLINE | ID: mdl-38090792

RESUMO

BACKGROUND: Cognitive behavioral interventions delivered via the internet are demonstrably efficacious treatment options for posttraumatic stress disorder (PTSD) in underserved, Arabic-speaking populations. However, the role of specific treatment components remains unclear, particularly in conflict-affected areas of the Middle East and North Africa. OBJECTIVE: This study aims to evaluate 2 brief internet-based treatments in terms of efficacy, including change in PTSD symptom severity during treatment. Both treatments were developed in line with Interapy, an internet-based, therapist-assisted cognitive behavioral therapy protocol for PTSD and adapted to the specific research question. The first treatment comprised self-confrontation and social sharing (exposure treatment; 6 sessions); the second comprised cognitive restructuring and social sharing (cognitive restructuring treatment; 6 sessions). The 2 treatments were compared with each other and with a waitlist control group. METHODS: In total, 365 Arabic-speaking participants from the Middle East and North Africa (mean age 25.49, SD 6.68 y) with PTSD were allocated to cognitive restructuring treatment (n=118, 32.3%), exposure treatment (n=122, 33.4%), or a waitlist control group (n=125, 34.2%) between February 2021 and December 2022. PTSD symptom severity, posttraumatic maladaptive cognitions, anxiety, depressive and somatoform symptom severity, and quality of life were assessed via self-report at baseline and after treatment or waiting time. PTSD symptom severity was also measured throughout treatment or waiting time. Treatment satisfaction was assessed after treatment completion. Treatment use and satisfaction were compared between the 2 treatment conditions using appropriate statistical tests (eg, chi-square and Welch tests). Multiple imputation was performed to address missing data and evaluate treatment-associated changes. These changes were analyzed using multigroup change modeling in the completer and intention-to-treat samples. RESULTS: Overall, 200 (N=240, 83.3%) participants started any of the treatments, of whom 123 (61.5%) completed the treatment. Treatment condition was not significantly associated with the proportion of participants who started versus did not start treatment (P=.20) or with treatment completion versus treatment dropout (P=.71). High treatment satisfaction was reported, with no significant differences between the treatment conditions (P=.48). In both treatment conditions, PTSD, anxiety, depressive and somatoform symptom severity, and posttraumatic maladaptive cognitions decreased, and quality of life improved significantly from baseline to the posttreatment time point (P≤.001 in all cases). Compared with the baseline assessment, overall PTSD symptom severity decreased significantly after 4 sessions in both treatment conditions (P<.001). Moreover, both treatment conditions were significantly superior to the waitlist control group regarding overall PTSD symptom severity (P<.001) and most other comorbid mental health symptoms (P<.001 to P=.03). Differences between the 2 conditions in the magnitude of change for all outcome measures were nonsignificant. CONCLUSIONS: Internet-based cognitive behavioral treatments for PTSD focusing primarily on either self-confrontation or cognitive restructuring are applicable and efficacious for Arabic-speaking participants. TRIAL REGISTRATION: German Clinical Trials Register DRKS00010245; https://drks.de/search/de/trial/DRKS00010245.

3.
PLoS One ; 18(12): e0295999, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38134211

RESUMO

Many people from the Middle East and North Africa (MENA) have experienced traumatic events due to human rights abuses, violence, and conflict in the region, with potential psychological consequences including symptoms of posttraumatic stress and comorbid mental health problems. Yet, little is known about how different posttraumatic stress symptoms unfold in Arabic-speaking people who have experienced diverse traumatic events. This study examined latent classes based on posttraumatic stress symptoms, differences across classes concerning comorbid mental health symptoms and quality of life, and several predictors, including sociodemographic characteristics, social support, and trauma-related characteristics. Participants were 5,140 traumatized Arabic-speaking individuals who had registered for an online intervention. Latent class analysis was conducted to identify distinct classes based on DSM-5 posttraumatic stress symptoms. Multinomial logistic regression was used to analyze predictors of class membership. Differences between classes in severity of posttraumatic stress, depressive, anxiety, and somatoform symptoms, as well as quality of life were examined. Five different latent classes were identified: a general high posttraumatic stress symptom class (43.8%), a high posttraumatic stress symptom-low avoidance class (12.8%), a mixed posttraumatic stress symptom class (20.9%), a high dysphoric-low reexperiencing/avoidance class (14%), and a general low posttraumatic stress symptom class (8.4%). The classes differed in severity of posttraumatic stress, depressive, anxiety and somatoform symptoms, and quality of life. Consistent significant predictors of class membership were gender, social support, cumulative trauma exposure, sexual violence and direct exposure during the most distressing trauma, as well as time since the most distressing trauma. Distinct symptom classes with quantitative and qualitative differences can emerge following exposure to trauma among help-seeking Arabic-speaking people from the MENA region, with gender, social support, and trauma-related characteristics predicting symptom presentation. The results have implications for identifying distressed people and enhancing interventions based on an individual's symptom presentation.


Assuntos
Transtornos de Estresse Pós-Traumáticos , Humanos , Transtornos de Estresse Pós-Traumáticos/psicologia , Saúde Mental , Análise de Classes Latentes , Qualidade de Vida , Comorbidade
4.
Chemistry ; 28(12): e202104203, 2022 Feb 24.
Artigo em Inglês | MEDLINE | ID: mdl-35020239

RESUMO

The transition-metal-catalyzed cyclization of bissilylethynylated N,N'-dihydrotetraazapentacene (TIPS-TAP-H2 ) into bissilylated cyclopenta[fg,qr]pentacenes is reported. Depending on the catalyst either none, one or two silyl groups migrate and change their positions in the formed five-membered rings. The optoelectronic properties are quite similar, whereas the packing motifs differ dramatically. Control experiments and quantum chemical calculations were performed to investigate the mechanism of the reaction and the selectivity of the silyl shift.

5.
Eur J Psychotraumatol ; 12(1): 1943870, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34345377

RESUMO

Background: Internet-based cognitive-behavioural interventions seem to be effective for the treatment of posttraumatic stress disorder (PTSD) in Arabic-speaking countries in the MENA region. However, due to high prevalence rates of trauma-related mental disorders in this region, it is important to scale up existing Internet-based interventions in order to increase the number of clients. Objective: The aim of the study was to examine whether a brief Internet-based intervention with one cognitive technique (TF-short, 6 assignments) results in the same PTSD symptom change and lower dropouts compared to a longer intervention with two cognitive techniques (TF-reg, 10 assignments). Method: A total of 224 Arab participants (67.4% female; M = 25.3 years old) with PTSD were randomly assigned to Internet-based CBT with either a TF-reg protocol (n = 110) or a TF-short protocol (n = 114). Symptoms of PTSD and secondary outcomes (anxiety, depression, somatic complaints, quality of life) were self-assessed online at baseline and post-treatment. Treatment-associated changes were estimated using multigroup latent difference score models. Results: The overall PTSD score assessed with the PDS decreased by about 15 points in both conditions. The between-group differences (TF-reg vs. TF-short) at post-assessment were non-significant, Δ = 0.29, p = .896, d = 0.02, 95% CI [-0.30, 0.34]. Like the primary outcome, all within-group changes for the secondary outcomes throughout the intervention were statistically significant and all between-group effects were non-significant. Overall, the dropout rates did not differ between the two conditions, χ2 (1/N = 175) = 0.83, p = .364. Conclusions: The findings suggest that the shorter condition results in the same symptom change and dropout rate as the longer condition. This highlights the potential of shorter, more scalable Internet-based interventions in socially restricted and (post-)conflict societies. ClinicalTrialsgov ID: NCT01508377.


Antecedentes: Las intervenciones cognitivo-conductuales basadas en Internet parecen ser efectivas para el tratamiento del trastorno de estrés postraumático (TEPT) en los países de habla árabe de la región MENA. Sin embargo, debido a las altas tasas de prevalencia de trastornos mentales relacionados con el trauma en esta región, es importante escalar las intervenciones existentes basadas en Internet para aumentar el número de clientes.Objetivo: El propósito del estudio fue examinar si una intervención breve basada en Internet con una técnica cognitiva (TF-corta, 6 asignaciones) da como resultado el mismo cambio sintomático del TEPT y menos abandonos en comparación con una intervención más prolongada con dos técnicas cognitivas (TF -reg, 10 asignaciones).Método: Un total de 224 participantes árabes (67,4% mujeres; M = 25,3 años) con TEPT fueron asignados aleatoriamente a TCC basada en Internet con un protocolo TF-reg (n = 110) o un protocolo TF-corta (n = 114). Los síntomas del TEPT y los resultados secundarios (ansiedad, depresión, quejas somáticas, calidad de vida) fueron autoevaluadas en línea al inicio y al finalizar el tratamiento. Los cambios asociados al tratamiento se estimaron utilizando modelos de puntuación de diferencia latente multigrupo.Resultados: El puntaje general de TEPT evaluado con la PDS disminuyó aproximadamente 15 puntos en ambas condiciones. Las diferencias entre grupos (TF-reg vs. TF-corta) en la evaluación posterior no fueron significativas, Δ = 0,29, p = .896, d = 0,02, IC del 95% [-0,30, 0,34]. Al igual que el resultado primario, todos los cambios dentro del grupo para los resultados secundarios a lo largo de la intervención fueron estadísticamente significativos y todos los efectos entre los grupos no fueron significativos. En general, las tasas de abandono no difirieron entre las dos condiciones, χ2 (1/N = 175) = 0.83, p = .364.Conclusiones: Los hallazgos sugieren que la condición más corta da como resultado el mismo cambio de síntomas y la misma tasa de abandono que la condición más larga. Esto resalta el potencial de intervenciones más breves y escalables basadas en Internet en sociedades socialmente restringidas y (post) conflicto.


Assuntos
Árabes/estatística & dados numéricos , Terapia Cognitivo-Comportamental , Intervenção Baseada em Internet , Transtornos de Estresse Pós-Traumáticos , Adulto , África , Depressão/psicologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Oriente Médio , Qualidade de Vida/psicologia , Autorrelato , Transtornos de Estresse Pós-Traumáticos/etnologia , Transtornos de Estresse Pós-Traumáticos/terapia
6.
J Affect Disord ; 294: 605-627, 2021 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-34332362

RESUMO

BACKGROUND: The Eastern Mediterranean Region (EMR) is the stage of the world's most violent conflicts and the origin of the largest refugee population worldwide. These conflicts can result in symptoms of posttraumatic stress (PTS). To date, no comprehensive meta-analysis on proportions of PTS in civilians from the EMR has been conducted. Sample characteristics, methodological, conflict-related and displacement-related factors might affect rates of PTS. METHODS: A systematic literature search for studies investigating PTS in adult civilians from the EMR was conducted until March 2020 and resulted in 118 individual study samples that were suitable for inclusion. A quality assessment was conducted. A random effects meta-analysis on proportions and sensitivity analyses were performed, and a 95% prediction interval was calculated. Subgroup analyses to identify moderators (e.g. diagnostic instruments, displacement) were conducted. RESULTS: The quality of the included study samples varied. The pooled estimate of proportions from all 118 study samples was 0.31 (95% CI: 0.27 - 0.35). Heterogeneity was considerable (Q = 10151.58, p < .0001; I2 = 98.64%). The prediction interval was 0.01 to 0.76. The results remained unchanged after excluding nine outlier study samples. Heterogeneity remained high in all subgroups (range of I2: 87.91 to 99.62). LIMITATIONS: Due to heterogeneity the pooled estimate cannot be interpreted. Moderators contributing to heterogeneity could not be detected. CONCLUSIONS: The proportion of symptoms of PTS in civilians from the EMR varies considerably. The prediction interval indicates that the true rate falls between 1% and 76%. Future studies need to identify variables that affect heterogeneity.


Assuntos
Refugiados , Transtornos de Estresse Pós-Traumáticos , Transtornos Relacionados ao Uso de Substâncias , Adulto , Violação de Direitos Humanos , Humanos , Região do Mediterrâneo , Transtornos de Estresse Pós-Traumáticos/epidemiologia
7.
Brain Behav ; 10(1): e01484, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31777204

RESUMO

BACKGROUND: Standardized and individualized Internet-based interventions (IBI) for depression yield significant symptom improvements. However, change patterns during standardized or individualized IBI are unknown. Identifying subgroups that experience different symptom courses during IBI and their characteristics is vital for improving response. METHODS: Mildly to moderately depressed individuals according to self-report (N = 1,089) were randomized to receive module-wise feedback that was either standardized or individualized by a counselor within an otherwise identical cognitive-behavioral IBI for depression (seven modules over six weeks). Depressive symptoms were assessed at baseline and before each module (Patient Health Questionnaire; PHQ-9). Other individual characteristics (self-report) and the presence of an affective disorder (structured clinical interview) were assessed at baseline. Growth mixture modeling was used to identify and compare subgroups with discernable change patterns and associated client variables across conditions. RESULTS: Model comparisons suggest equal change patterns in both conditions. Across conditions, a group of immediate (62.5%) and a group of delayed improvers (37.5%) were identified. Immediate improvers decreased their PHQ-9 score by 5.5 points from pre to post, with 33% of improvement occurring before treatment commenced. Delayed improvers were characterized by stable symptom severity during the first two modules and smaller overall symptom decrease (3.4 points). Higher treatment expectations, a current major depressive disorder (interview), and lower social support were associated with delayed improvement. CONCLUSION: Internet-based interventions for depression with individualized and with standardized feedback lead to comparable patterns of change. Expectation management and bolstering of social support are promising strategies for individuals that are at risk for delayed improvement.


Assuntos
Depressão/terapia , Transtorno Depressivo Maior/terapia , Retroalimentação Psicológica , Intervenção Baseada em Internet , Adulto , Depressão/psicologia , Transtorno Depressivo Maior/psicologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Autorrelato , Apoio Social , Resultado do Tratamento
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