Introduction to the Special Section on Complex Posttraumatic Stress Disorder (CPTSD): The Evolution of a Disorder
Journal Article
Karatzias, T., & Levendosky, A. A. (2019)
Introduction to the Special Section on Complex Posttraumatic Stress Disorder (CPTSD): The Evolution of a Disorder. Journal of Traumatic Stress, 32(6), 817-821. https://doi.org/10.1002/jts.22476
The inclusion of complex posttraumatic stress disorder (CPTSD) in the 11th revision of the International Classification of Diseases is an important development in the field of...
ICD‐11 Posttraumatic Stress Disorder and Complex Posttraumatic Stress Disorder in the United States: A Population‐Based Study
Journal Article
Cloitre, M., Hyland, P., Bisson, J. I., Brewin, C. R., Roberts, N. P., Karatzias, T., & Shevlin, M. (2019)
ICD‐11 Posttraumatic Stress Disorder and Complex Posttraumatic Stress Disorder in the United States: A Population‐Based Study. Journal of Traumatic Stress, 32(6), 833-842. https://doi.org/10.1002/jts.22454
The primary aim of this study was to provide an assessment of the current prevalence rates of ICD-11 posttraumatic stress disorder (PTSD) and complex PTSD (CPTSD) among the ad...
Examining the Discriminant Validity of Complex Posttraumatic Stress Disorder and Borderline Personality Disorder Symptoms: Results From a United Kingdom Population Sample
Journal Article
Hyland, P., Karatzias, T., Shevlin, M., & Cloitre, M. (2019)
Examining the Discriminant Validity of Complex Posttraumatic Stress Disorder and Borderline Personality Disorder Symptoms: Results From a United Kingdom Population Sample. Journal of Traumatic Stress, 32(6), 855-863. https://doi.org/10.1002/jts.22444
Complex Posttraumatic Stress Disorder (CPTSD) was added to the diagnostic nomenclature in the 11th version of the International Classification of Diseases (ICD-11). Although c...
Testing the Factor Structure of the International Trauma Questionnaire (ITQ) in African Community Samples from Kenya, Ghana, and Nigeria
Journal Article
Owczarek, M., Ben-Ezra, M., Karatzias, T., Hyland, P., Vallieres, F., & Shevlin, M. (in press)
Testing the Factor Structure of the International Trauma Questionnaire (ITQ) in African Community Samples from Kenya, Ghana, and Nigeria. Journal of Loss and Trauma, 25(4), 348-363. https://doi.org/10.1080/15325024.2019.1689718
The aim of this study was to test the factorial structure of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD) as outlined in the 11th revision of the Internationa...
Treating Adults With Complex Posttraumatic Stress Disorder Using a Modular Approach to Treatment: Rationale, Evidence, and Directions for Future Research
Journal Article
Karatzias, T., & Cloitre, M. (2019)
Treating Adults With Complex Posttraumatic Stress Disorder Using a Modular Approach to Treatment: Rationale, Evidence, and Directions for Future Research. Journal of Traumatic Stress, 32(6), 870-876. https://doi.org/10.1002/jts.22457
ICD-11 complex PTSD (CPTSD) is a new condition and therefore there are as yet no clinical trials evaluating interventions for its treatment. In this paper, we provide the rati...
The Rivers Centre in Scotland: An Attachment‐Based Service Model for People With Complex Posttraumatic Stress Disorder
Journal Article
Fyvie, C., Easton, P., Moreton, G., McKeever, J., & Karatzias, T. (2019)
The Rivers Centre in Scotland: An Attachment‐Based Service Model for People With Complex Posttraumatic Stress Disorder. Journal of Traumatic Stress, 32(6), 864-869. https://doi.org/10.1002/jts.22458
The Rivers Centre in Edinburgh, Scotland (United Kingdom) operated for nearly 20 years as a traditional specialist trauma service, delivering psychological therapies to an adu...
Measuring ICD-11 Adjustment Disorder: The Development and Initial Validation of the International Adjustment Disorder Questionnaire
Journal Article
Shevlin, M., Hyland, P., Ben-Ezra, M., Karatzias, T., Cloitre, M., Vallières, F., …Maercker, A. (2020)
Measuring ICD-11 Adjustment Disorder: The Development and Initial Validation of the International Adjustment Disorder Questionnaire. Acta Psychiatrica Scandinavica, 141(3), 265-274. https://doi.org/10.1111/acps.13126
Background: Adjustment disorder (AjD) is one of the most frequently used diagnoses in psychiatry but a diagnostic definition for AjD was only introduced in release of the ICD-...
ICD-11 PTSD and complex PTSD in treatment-seeking Danish veterans: a latent profile analysis
Journal Article
Folke, S., Nielsen, A. B. S., Andersen, S. B., Karatzias, T., & Karstoft, K. (2019)
ICD-11 PTSD and complex PTSD in treatment-seeking Danish veterans: a latent profile analysis. European Journal of Psychotraumatology, 10(1), https://doi.org/10.1080/20008198.2019.1686806
Background: The WHO International Classification of Diseases, 11th version (ICD-11), includes a trauma-related diagnosis of complex posttraumatic stress disorder (CPTSD) disti...
Translation and psychometric evaluation of the Chinese Adjustment Disorder – New Module 20
Journal Article
Lorenz, L., Ho, G. W. K., Chan, A. C. Y., Bressington, D. T., Chien, W. T., Shevlin, M., …Karatzias, T. (2020)
Translation and psychometric evaluation of the Chinese Adjustment Disorder – New Module 20. International Journal of Mental Health, 49(2), 170-185. https://doi.org/10.1080/00207411.2019.1684687
The Adjustment Disorder – New Module 20 (ADNM-20) was developed for the assessment of adjustment disorder symptoms. The aim of the present study was to translate and conduct p...
Personally meaningful recovery in people with psychological trauma: Initial validity and reliability of the Individual Recovery Outcomes Counter (I.ROC)
Journal Article
Rudd, B., Karatzias, T., Bradley, A., Fyvie, C., & Hardie, S. (2020)
Personally meaningful recovery in people with psychological trauma: Initial validity and reliability of the Individual Recovery Outcomes Counter (I.ROC). International Journal of Mental Health Nursing, 29(3), 387-398. https://doi.org/10.1111/inm.12671
I.ROC is a brief tool measuring personal recovery designed for collaborative use within support. This study aimed to investigate the psychometric properties of a self-report v...