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ICD‐11 Posttraumatic Stress Disorder and Complex Posttraumatic Stress Disorder in the United States: A Population‐Based Study (2019)
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 adult population of the United States and to identify characteristics and cor... Read More about ICD‐11 Posttraumatic Stress Disorder and Complex Posttraumatic Stress Disorder in the United States: A Population‐Based Study.

Examining the Discriminant Validity of Complex Posttraumatic Stress Disorder and Borderline Personality Disorder Symptoms: Results From a United Kingdom Population Sample (2019)
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 considerable evidence exists supporting the construct validity of CPTSD, the... Read More about Examining the Discriminant Validity of Complex Posttraumatic Stress Disorder and Borderline Personality Disorder Symptoms: Results From a United Kingdom Population Sample.

Risk factors and comorbidity of ICD‐11 PTSD and complex PTSD: Findings from a trauma‐exposed population based sample of adults in the United Kingdom (2019)
Journal Article
Karatzias, T., Hyland, P., Bradley, A., Cloitre, M., Roberts, N. P., Bisson, J. I., & Shevlin, M. (2019). Risk factors and comorbidity of ICD‐11 PTSD and complex PTSD: Findings from a trauma‐exposed population based sample of adults in the United Kingdom. Depression and Anxiety, 36(9), 887-894. https://doi.org/10.1002/da.22934

Background: Following the recently published 11th version of the WHO International Classification of Diseases (ICD-11), we sought to examine the risk factors and comorbidities associated with posttraumatic stress disorder (PTSD) and Complex PTSD (CPT... Read More about Risk factors and comorbidity of ICD‐11 PTSD and complex PTSD: Findings from a trauma‐exposed population based sample of adults in the United Kingdom.

Trauma‐informed care: A qualitative study exploring the views and experiences of professionals in specialist health services for adults with intellectual disabilities (2019)
Journal Article
Truesdale, M., Brown, M., Taggart, L., Bradley, A., Paterson, D., Sirisena, C., Walley, R., & Karatzias, T. (2019). Trauma‐informed care: A qualitative study exploring the views and experiences of professionals in specialist health services for adults with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 32(6), 1437-1445. https://doi.org/10.1111/jar.12634

Background: Although, trauma and its sequelae is increasingly recognised as a major morbidity factor in people with intellectual disabilities, there has been a lack of inquiry into how health care professionals address trauma in adults with ID.
Aims... Read More about Trauma‐informed care: A qualitative study exploring the views and experiences of professionals in specialist health services for adults with intellectual disabilities.

Disempowered midwives and traumatised women: exploring the parallel processes of care provider interaction that contribute to women developing Post Traumatic Stress Disorder (PTSD) post childbirth (2019)
Journal Article
Patterson, J., Hollins-Martin, C. J., & Karatzias, T. (2019). Disempowered midwives and traumatised women: exploring the parallel processes of care provider interaction that contribute to women developing Post Traumatic Stress Disorder (PTSD) post childbirth. Midwifery, 76, 21-35. https://doi.org/10.1016/j.midw.2019.05.010

Background: Around 4% of women develop Post Traumatic Stress Disorder Post Childbirth (PTSD-PC). During childbirth a woman’s perception of her care provider’s interpersonal verbal and nonverbal relationship behaviours, termed ‘Quality of Provider Int... Read More about Disempowered midwives and traumatised women: exploring the parallel processes of care provider interaction that contribute to women developing Post Traumatic Stress Disorder (PTSD) post childbirth.

Translation and validation of the Chinese ICD-11 International Trauma Questionnaire (ITQ) for the Assessment of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD) (2019)
Journal Article
Ho, G. W. . K., Karatzias, T., Cloitre, M., Chan, A. C. Y., Bressington, D., Chien, W. T., Hyland, P., & Shevlin, M. (2019). Translation and validation of the Chinese ICD-11 International Trauma Questionnaire (ITQ) for the Assessment of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). European Journal of Psychotraumatology, 10(1), https://doi.org/10.1080/20008198.2019.1608718

Two stress related disorders have been proposed for inclusion in the revised ICD11: Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). The International Trauma Questionnaire (ITQ) is a bespoke measure of PTSD and CPTSD, and has been widel... Read More about Translation and validation of the Chinese ICD-11 International Trauma Questionnaire (ITQ) for the Assessment of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD).

Can the REBT theory explain loneliness? Theoretical and clinical applications (2018)
Journal Article
Hyland, P., McGinty, G., Karatzias, T., Murphy, J., Vallières, F., & McHugh Power, J. (2019). Can the REBT theory explain loneliness? Theoretical and clinical applications. Cognitive Behaviour Therapy, 48(1), 39-51. https://doi.org/10.1080/16506073.2018.1475505

Loneliness is a common psychological experience affecting a significant minority of the general population. Loneliness may in part be related to the existence of dysfunctional cognitive evaluations. To date, however, loneliness has yet to be explicit... Read More about Can the REBT theory explain loneliness? Theoretical and clinical applications.

Acts of Recovery: moving on from childhood abuse. (2013)
Report
Chouliara, Z., Karatzias, T., & Gullone, A. (2013). Acts of Recovery: moving on from childhood abuse. Edinburgh, Scotland: Scottish recovery

Evidence-based, survivor-centred self-help booklet for survivors of childhood abuse.

Acts of recovery: moving on from childhood abuse. (Easy read version) (2012)
Report
Chouliara, Z., Karatzias, T., Gullone, A., & Duncan, E. (2012). Acts of recovery: moving on from childhood abuse. (Easy read version). Edinburgh, Scotland: NHS LOthian

The booklet has also been adjusted for survivors of childhood abuse who have learning difficulties in collaboration with Eileen Duncan, Project Manager for Health Inequalities with NHS Lothian. This version has been endorsed and is currently being us... Read More about Acts of recovery: moving on from childhood abuse. (Easy read version).

Posttraumatic Symptomatology and Dissociation in Outpatients with Chronic Posttraumatic Stress Disorder (2010)
Journal Article
Karatzias, T., Power, K., Brown, K., & McGoldrick, T. (2010). Posttraumatic Symptomatology and Dissociation in Outpatients with Chronic Posttraumatic Stress Disorder. Journal of Trauma and Dissociation, 11(1), 83-92. https://doi.org/10.1080/15299730903143667

A number of studies have concluded that dissociative features are
common in patients with posttraumatic stress disorder (PTSD). The
present study aimed to investigate correlates of dissociation in
outpatients with chronic PTSD in Scotland. For the... Read More about Posttraumatic Symptomatology and Dissociation in Outpatients with Chronic Posttraumatic Stress Disorder.

Views and experiences of young women about chlamydia in Scotland: Knowledge, condom use and access to health services. (2009)
Journal Article
Chouliara, Z., Karatzias, T., Dey, L., & Goulbourne, A. (2009). Views and experiences of young women about chlamydia in Scotland: Knowledge, condom use and access to health services. Health Psychology Update, 18, 14-24

The study aimed to elicit perceptions of and awareness about chlamydia, views and experiences of condom
use as protection against a chlamydia infection and of access to sexual health services. This qualitative
study utilised semi-structured individ... Read More about Views and experiences of young women about chlamydia in Scotland: Knowledge, condom use and access to health services..