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You Z, Chen S, Tang J. Neuroticism and posttraumatic stress disorder: A Mendelian randomization analysis. Brain Behav 2024; 14:e70041. [PMID: 39344274 PMCID: PMC11440025 DOI: 10.1002/brb3.70041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/17/2024] [Accepted: 07/24/2024] [Indexed: 10/01/2024] Open
Abstract
OBJECTIVE Epidemiological studies revealed an unestablished association between neuroticism and posttraumatic stress disorder (PTSD) and we conducted mendelian randomization (MR) analyses to examine whether neuroticism clusters of worry, depressed affect, and sensitivity to environmental stress and adversity (SESA) were involved in the development of PTSD. METHOD We obtained data on three neuroticism clusters, PTSD, and nine other psychiatric disorders from genome-wide association studies summary statistics and employed univariable, multivariable, and mediation MR analyses to explore causal associations among them. RESULTS Neuroticism clusters were linked with PTSD (depressed affect (odds ratio [OR]: 2.94 [95% confidence interval: 2.21-3.92]); SESA (2.69 [1.95-3.71]; worry (1.81 [1.37-2.99])). Neuroticism clusters were also associated with psychiatric disorders, with the depressed effect on panic disorder (PD) (2.60 [1.14-5.91]), SESA on anorexia nervosa (AN) (2.77 [1.95-3.94]) and schizophrenia (2.55 [1.99-3.25]), worry on major depressive disorder (MDD) (2.58 [2.19-3.05]). In multivariable MR, only the SESA-PTSD association remained (2.60 [2.096, 3.107]) while worry-PTSD and depressed affect-PTSD associations attenuated to nonsignificance. Mediation MR analyses suggested that PD mediated 3.76% of the effect of depressed effect on PTSD and AN mediated 10.33% of the effect of SESA on PTSD. CONCLUSION Delving deeper into neuroticism clusters, we comprehensively understand the role of neuroticism in PTSD.
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Affiliation(s)
- Zifan You
- Department of Psychiatry, Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Shanshan Chen
- Department of Psychiatry, Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Jinsong Tang
- Department of Psychiatry, Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouZhejiangChina
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Duncan M, Fearon P, Woolgar M. Primary and secondary trauma in adoptive parents. Clin Child Psychol Psychiatry 2024:13591045241287563. [PMID: 39332578 DOI: 10.1177/13591045241287563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/29/2024]
Abstract
AIMS Secondary trauma is recognised as one of the negative effects for professionals working with people that have experienced trauma. Research has demonstrated secondary trauma in foster carers but little research has explored trauma symptoms within adoptive parents, facing the emotional impact of parenting a child with adverse early experiences. This study aimed to document the rates of primary and secondary trauma symptoms in adoptive parents. It further explores the association between the extent of current behavioural and emotional challenges and the extent of the child's pre-adoption adverse experiences in predicting parental trauma responses. METHOD 190 adoptive parents completed an online survey including self-report measures of primary and secondary trauma. RESULTS Almost one fifth of adoptive parents exhibited primary trauma scores of clinical concern; with 10% reaching the threshold for a probable diagnosis of PTSD. Participants also reported significantly higher levels of secondary trauma and burnout, and significantly lower levels of compassion satisfaction than population norms. The current behavioural and emotional challenges, including child-to-parent violence, predicted higher trauma scores more so than the extent of their child's past adverse experiences. CONCLUSIONS The findings have clinical implications for identifying trauma symptoms within adoptive parents and wider implications for how we understand secondary and primary trauma. They further highlight the importance of firstly addressing current child behaviour, including child-to-parent violence when treating trauma symptoms. Limitations of this study and recommendations for further research are discussed.
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Affiliation(s)
- Morvwen Duncan
- Department of Clinical Educational and Health Psychology, University College London, UK
| | - Pasco Fearon
- Department of Clinical Educational and Health Psychology, University College London, UK
| | - Matt Woolgar
- Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King's College London, UK
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3
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Spiller TR, Duek O, Helmer M, Murray JD, Fielstein E, Pietrzak RH, von Känel R, Harpaz-Rotem I. Unveiling the Structure in Mental Disorder Presentations. JAMA Psychiatry 2024:2821872. [PMID: 39110437 PMCID: PMC11307158 DOI: 10.1001/jamapsychiatry.2024.2047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/21/2024] [Indexed: 08/10/2024]
Abstract
Importance DSM criteria are polythetic, allowing for heterogeneity of symptoms among individuals with the same disorder. In empirical research, most combinations were not found or only rarely found, prompting criticism of this heterogeneity. Objective To elaborate how symptom-based definitions and assessments contribute to a distinct probability pattern for the occurrence of symptom combinations. Design, Setting, and Participants This cross-sectional study involved a theoretical argument, simulation, and secondary data analysis of 4 preexisting datasets, each consisting of symptoms from 1 of the following syndromes: posttraumatic stress disorder, depression, schizophrenia, and anxiety. Data were obtained from various sources, including the National Institute of Mental Health Data Archive and Department of Veteran Affairs. A total of 155 474 participants were included (individual studies were 3930 to 63 742 individuals in size). Data were analyzed between July 2021 and January 2024. Exposure For each participant, the presence or absence of each assessed symptom and their combination was determined. The number of all combinations and their individual frequencies were assessed. Main Outcome and Measure Probability or frequency of unique symptom combinations and their distribution. Results Among the 155 474 participants, the mean (SD) age was 47.5 (14.8) years; 33 933 (21.8%) self-identified as female and 121 541 (78.2%) as male. Because of the interrelation between symptoms, some symptom combinations were significantly more likely than others. The distribution of the combinations' probability was heavily skewed with most combinations having a very low probability. Across all 4 empirical samples, the 1% most common combinations were prevalent in a total of 33.1% to 78.6% of the corresponding sample. At the same time, many combinations (ranging from 41.7% to 99.8%) were reported by less than 1% of the sample. Conclusions and Relevance This study found that within-disorder symptom heterogeneity followed a specific pattern consisting of few prevalent, prototypical combinations and numerous combinations with a very low probability of occurrence. Future discussions about the revision of diagnostic criteria should take this specific pattern into account by focusing not only on the absolute number of symptom combinations but also on their individual and cumulative probabilities. Findings from clinical populations using common diagnostic criteria may have limited generalizability to the large group of individuals with a low-probability symptom combination.
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Affiliation(s)
- Tobias R. Spiller
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
- National Center for PTSD, VA Connecticut Healthcare System, West Haven
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich (USZ), Zurich, Switzerland
- University of Zurich (UZH), Zurich, Switzerland
| | - Or Duek
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
- National Center for PTSD, VA Connecticut Healthcare System, West Haven
- Department of Epidemiology, Biostatistics and Community Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Markus Helmer
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | - John D. Murray
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
- Wu Tsai Institute, Yale University, New Haven, Connecticut
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, New Hampshire
| | - Elliot Fielstein
- Mental Health Informatics Section, Office of Mental Health and Suicide Prevention, Department of Veterans Affairs, Washington, DC
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Robert H. Pietrzak
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
- National Center for PTSD, VA Connecticut Healthcare System, West Haven
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, Connecticut
| | - Roland von Känel
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich (USZ), Zurich, Switzerland
- University of Zurich (UZH), Zurich, Switzerland
| | - Ilan Harpaz-Rotem
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
- National Center for PTSD, VA Connecticut Healthcare System, West Haven
- Wu Tsai Institute, Yale University, New Haven, Connecticut
- Department of Psychology, Yale University, New Haven, Connecticut
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Dodd CG, Kirk CL, Rathouz PJ, Custer J, Garrett AS, Taylor L, Rousseau JF, Claasen C, Morgan MM, Newport DJ, Wagner KD, Nemeroff CB. Comparing diagnostic criteria for posttraumatic stress disorder in a diverse sample of trauma-exposed youth. J Trauma Stress 2024; 37:606-616. [PMID: 38565718 DOI: 10.1002/jts.23037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 04/04/2024]
Abstract
Divergent conceptualization of posttraumatic stress disorder (PTSD) within the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5) and International Statistical Classification of Diseases and Related Health Problems (11th ed..; ICD-11) significantly confounds both research and practice. Using a diverse sample of trauma-exposed youth (N = 1,542, age range: 8-20 years), we compared these two diagnostic approaches along with an expanded version of the ICD-11 PTSD criteria that included three additional reexperiencing symptoms (ICD-11+). Within the sample, PTSD was more prevalent using the DSM-5 criteria (25.7%) compared to the ICD-11 criteria (16.0%), with moderate agreement between these diagnostic systems, κ = .57. The inclusion of additional reexperiencing symptoms (i.e., ICD-11+) reduced this discrepancy in prevalence (24.7%) and increased concordance with DSM-5 criteria, κ = .73. All three PTSD classification systems exhibited similar comorbidity rates with major depressive episode (MDE) or generalized anxiety disorder (GAD; 78.0%-83.6%). Most youths who met the DSM-5 PTSD criteria also met the criteria for ICD-11 PTSD, MDE, or GAD (88.4%), and this proportion increased when applying the ICD-11+ criteria (95.5%). Symptom-level analyses identified reexperiencing/intrusions and negative alterations in cognition and mood symptoms as primary sources of discrepancy between the DSM-5 and ICD-11 PTSD diagnostic systems. Overall, these results challenge assertions that nonspecific distress and diagnostically overlapping symptoms within DSM-5 PTSD inflate comorbidity with depressive and anxiety disorders. Further, they support the argument that the DSM-5 PTSD criteria can be refined and simplified without reducing the overall prevalence of psychiatric diagnoses in youth.
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Affiliation(s)
- Cody G Dodd
- Department of Psychiatry and Behavioral Sciences, University of Texas Medical Branch, Galveston, Texas, USA
| | - Claire L Kirk
- Department of Psychiatry and Behavioral Sciences, University of Texas Medical Branch, Galveston, Texas, USA
| | - Paul J Rathouz
- Department of Population Health University of Texas at Austin Dell Medical School, Austin, Texas, USA
| | - James Custer
- Department of Population Health University of Texas at Austin Dell Medical School, Austin, Texas, USA
| | - Amy S Garrett
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
| | - Leslie Taylor
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Justin F Rousseau
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Cynthia Claasen
- Department of Psychiatry and Behavioral Health Services, University of North Texas Health Sciences Center, Fort Worth, Texas, USA
| | - Myesha M Morgan
- Department of Psychiatry and Behavioral Sciences, University of Texas Medical Branch, Galveston, Texas, USA
| | - D Jeffrey Newport
- Department of Women's Health, University of Texas at Austin Dell Medical School, Austin, Texas, USA
- Department of Psychiatry & Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, Texas, USA
| | - Karen D Wagner
- Department of Psychiatry and Behavioral Sciences, University of Texas Medical Branch, Galveston, Texas, USA
| | - Charles B Nemeroff
- Department of Psychiatry & Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, Texas, USA
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Chessa A, Sentissi O. [ICD-11: New revision and impact of this classification in psychiatry]. L'ENCEPHALE 2024; 50:329-338. [PMID: 38092593 DOI: 10.1016/j.encep.2023.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/26/2023] [Accepted: 10/27/2023] [Indexed: 05/31/2024]
Abstract
OBJECTIVES After more than 20 years of work, the World Health Organization's efforts have culminated in the adoption of the 11th revision of the International Classification of Diseases (ICD-11). The process has been guided by the principles of global applicability, scientific validity, and clinical utility. The update of the chapter on mental, behavioral, and neurodevelopmental disorders (MBND) within the ICD-11 has generated widespread interest worldwide. This has raised various questions about the status of mental disorder nosology, changes to diagnostic guidelines, and the potential implications for clinical practice. METHODS We conducted a narrative analysis of the literature in four different languages to track the various stages of the ICD-11 revision and to highlight the major changes. We searched databases such as PubMed, EMBASE, MEDLINE, and Google Scholar, and consulted the official websites of the WHO, APA, and UNICEF. A total of 79 articles from 40 different editorials and websites were analyzed and included in this study. RESULTS The new chapters on mental disorders in the ICD-11 include 21 groups, as opposed to the 11 in the ICD-10. The changes aim to align the diagnoses with those of the DSM-5 and introduce a new chapter structure, new diagnostic categories, modifications to diagnostic criteria, and advancements in dimensionality. For the first time in the history of the ICD, sleep and wakefulness disorders, as well as disorders related to sexual health, have been addressed in separate chapters of the international classification. Four new diagnoses have been added: complex post-traumatic stress disorder (PTSD), gaming disorder, prolonged grief disorder, and compulsive sexual behavior which replaces "excessive sexual activity" in the ICD-10. Moreover, the ICD-11 revision has brought about a fundamental change in the clinical conceptualization of addictive behaviors, introducing a distinction between substance use disorders and addictive behaviors. The criteria for many existing conditions have been revised, particularly those related to bipolar disorders, eating disorders, and gender identity disorders. CONCLUSIONS The revision process for mental, behavioral, and neurodevelopmental disorders in the ICD-11 has witnessed unprecedented participation in the history of mental disorder classification. These changes could have a significant impact on clinical practice in psychiatry. However, it is crucial to examine the advantages and limitations of this new classification compared to previous versions.
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Affiliation(s)
- Ambra Chessa
- Département de psychiatrie, service de psychiatrie adulte, CAPPI jonction, hôpitaux universitaires Genève, 35, rue des Bains, 1205 Genève, Suisse
| | - Othman Sentissi
- Département de psychiatrie, service de psychiatrie adulte, CAPPI jonction, hôpitaux universitaires Genève, 35, rue des Bains, 1205 Genève, Suisse.
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Hooshyari Z, Mohammadi MR, Salmanian M, Ahmadi N, Khaleghi A, Garakani A. Lifetime prevalence, comorbidities, and Sociodemographic predictors of post-traumatic stress disorder (PTSD): the National Epidemiology of Iranian Children and adolescents Psychiatric disorders (IRCAP). Eur Child Adolesc Psychiatry 2024:10.1007/s00787-024-02441-7. [PMID: 38656607 DOI: 10.1007/s00787-024-02441-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 04/07/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVE The aims of this study were to (a) evaluate the lifetime prevalence of post-traumatic stress disorder (PTSD) according to sociodemographic characteristics, (b) determine sociodemographic factors associated with PTSD, (c) estimate the lifetime prevalence rates of comorbidities by age and gender, and (d) assess the proportion of traumatic events in the non-PTSD sample and the PTSD sample, according to gender. METHODS The data used for the present study were obtained from the IRCAP study which was a cross-sectional, community-based study on 29,250 children and adolescents aged 6-18 years from all provinces of Iran, which was done using multistage cluster sampling. Trained psychologists conducted diagnostic interviews with parents, children, and adolescents using the Persian version of the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version (K-SADS-PL). RESULTS In this study, the prevalence of PTSD across the sample population was 0.6% (95% CI, 0.5-0.7%). Higher rates of PTSD were observed among girls (0.7%, CI 0.5-0.8%), adolescents aged 15-18 years (0.8%, CI 0.6-1.0%), and participants who had unemployed (1.5%, CI 0.8-2.8%), or farmer fathers (1.1%, CI 0.5-2.5%). Of the participants with PTSD, 65.1% met the criteria for at least one other psychiatric disorder. PTSD had a high rate of comorbidity with oppositional defiant disorder (22.9%, CI 17.5-29.4%), generalized anxiety disorder (20.8%, CI 15.7-27.1%), separation anxiety disorder (20.3%, CI 15.2-26.6%), and major depressive disorder (19.8%, CI 14.8-26.0%). We found 9.5% of non-PTSD sample experienced at least one traumatic event. Witness to domestic violence was the most common traumatic event experienced by 32.8% of PTSD sample. CONCLUSION Our results in the prevalence, comorbidities, and sociodemographic factors associated with PTSD supported findings of previous studies that used a structured diagnostic interview. It is recommended to use purposive sampling and to investigate comorbidities of PTSD and type of traumatic events in a large clinical population.
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Affiliation(s)
- Zahra Hooshyari
- School of Psychology and Educational Sciences, University of Tehran, Tehran, Iran
| | - Mohammad Reza Mohammadi
- Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Salmanian
- Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Nastaran Ahmadi
- Yazd Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Khaleghi
- Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Garakani
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut, United States of America
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Ma YM, Yuan MD, Zhong BL. Efficacy and acceptability of music therapy for post-traumatic stress disorder: a systematic review and meta-analysis of randomized controlled trials. Eur J Psychotraumatol 2024; 15:2342739. [PMID: 38647566 PMCID: PMC11036901 DOI: 10.1080/20008066.2024.2342739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
Background: Music therapy is increasingly examined in randomized controlled trials (RCTs) and shows potential in treating post-traumatic stress disorder (PTSD).Objective: This systematic review and meta-analysis critically evaluates the current clinical evidence supporting the efficacy and acceptability of music therapy for PTSD.Method: RCTs comparing music therapy in addition to care as usual (CAU) versus either CAU alone or CAU combined with standard psychotherapy/pharmacotherapy for PTSD were retrieved from major English - and Chinese-language databases. Standardized mean differences (SMDs) for post-treatment PTSD symptom scores and risk differences (RDs) for retention rates upon treatment completion were calculated to assess the efficacy and acceptability of music therapy, respectively. The Cochrane risk of bias (RoB) tool 2.0 and the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) were used to assess the RoB of included studies and certainty of the evidence, respectively.Results: Nine studies, incorporating 527 PTSD patients, were included, all with high RoB. The post-treatment PTSD symptom scores were significantly lower in the music therapy group than the inactive control group (SMD = -1.64, P < .001), but comparable between the music therapy group and the active control group (SMD = -0.28, P = .330). The retention rates did not differ significantly between the music therapy group and both control groups (RD = 0.03, P = .769; RD = 0.16, P = .829). The GRADE rated certainty level of evidence as low.Conclusions: Although meta-analytic findings suggest that music therapy is effective in reducing post-traumatic symptoms in individuals with PTSD, with its therapeutic effect comparable to that of standard psychotherapy, the low level of certainty limits its generalizability. More methodologically stringent studies are warranted to strengthen the clinical evidence for the efficacy and acceptability of music therapy for PTSD.
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Affiliation(s)
- Yi-Ming Ma
- Research Center for Psychological and Health Sciences, China University of Geosciences (Wuhan), Wuhan, People’s Republic of China
| | - Meng-Di Yuan
- Research Center for Psychological and Health Sciences, China University of Geosciences (Wuhan), Wuhan, People’s Republic of China
| | - Bao-Liang Zhong
- Research Center for Psychological and Health Sciences, China University of Geosciences (Wuhan), Wuhan, People’s Republic of China
- Department of Psychiatry, Wuhan Mental Health Center, Wuhan, People’s Republic of China
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Wigard I, Meyerbröker K, Ehring T, Topper M, Arntz A, Emmelkamp P. Skills training followed by either EMDR or narrative therapy for posttraumatic stress disorder in adult survivors of childhood abuse: a randomized controlled trial. Eur J Psychotraumatol 2024; 15:2332104. [PMID: 38629403 PMCID: PMC11025408 DOI: 10.1080/20008066.2024.2332104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 03/06/2024] [Indexed: 04/19/2024] Open
Abstract
Background: Individuals suffering from PTSD following childhood abuse represent a large subgroup of patients attending mental health services. The aim of phase-based treatment is to tailor treatment to the specific needs to childhood abuse survivors with PTSD with a Skills Training in Affective and Interpersonal Regulation (STAIR) phase, in which emotion dysregulation and interpersonal problems are targeted, and a trauma-focused phase.Objective: The purpose of this study was to compare STAIR + Eye Movement Desensitization and Reprocessing (EMDR) vs. STAIR + Narrative Therapy (NT) as treatments for PTSD following childhood-onset trauma in a routine clinical setting.Method: Sixty-eight adults were randomly assigned to STAIR/EMDR (8 STAIR-sessions followed by 12 EMDR-sessions) or STAIR/NT (8 STAIR-sessions followed by 12 NT-sessions). Assessments took place at pre-treatment, after each treatment phase and at 3 and 12 months post-intervention follow-up. Primary outcomes were interviewer-rated and self-reported symptom levels of PTSD. Secondary outcomes included symptom levels of depression and disturbances in emotion regulation and interpersonal skills.Results: Multilevel analyses in the intent-to-treat sample indicated that patients in both treatments improved substantially on PTSD symptom severity (CAPS: d = 0.81 to 1.29; PDS: d = 1.68 to 2.15), as well as on symptom levels of depression, anxiety, emotion regulation, dissociation and interpersonal skills. Effects increased or were maintained until 12-month follow-up. At mid-treatment, after STAIR, patients in both treatments improved moderately on PTSD symptom severity (PDS: d = 1.68 to 2.15), as well as on symptom levels of depression (BDI: d = .32 to .31). Symptoms of anxiety, emotion dysregulation, interpersonal problems and dissociation were not decreased after STAIR. There were no significant differences between the two conditions on any outcome.Conclusion: PTSD in adult survivors of childhood interpersonal trauma can effectively be treated by phase-based interventions using either EMDR or NT in the trauma-processing phase.Trial registration: ClinicalTrials.gov identifier: NCT01443182..
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Affiliation(s)
- I. Wigard
- Parnassiagroep, Amsterdam, the Netherlands
- Department of Clinical Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - K. Meyerbröker
- Department of Clinical Psychology, Utrecht University, Utrecht, the Netherlands
- Altrecht Academic Anxiety Centre, Utrecht, the Netherlands
| | - T. Ehring
- Department of Psychology, LMU Munich, Munich, Germany
| | - M. Topper
- GGZ-Noord-Holland-Noord, Alkmaar, the Netherlands
| | - A. Arntz
- Department of Clinical Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - P. Emmelkamp
- Department of Clinical Psychology, University of Amsterdam, Amsterdam, the Netherlands
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Rzońca P, Podgórski M, Łazarewicz M, Gałązkowski R, Rzońca E, Detsyk O, Włodarczyk D. The prevalence and determinants of PTSD, anxiety, and depression in Ukrainian civilian physicians and paramedics in wartime-An observational cross-sectional study six months after outbreak. Psychiatry Res 2024; 334:115836. [PMID: 38452498 DOI: 10.1016/j.psychres.2024.115836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/01/2024] [Accepted: 03/02/2024] [Indexed: 03/09/2024]
Abstract
Russia's invasion of Ukraine is the largest European land offensive since World War II. Individuals affected by conflicts such as war are at an increased risk of mental disorders, which result from frequent exposure to traumatic events and the breakdown of supportive social networks. The aim of the study was to assess the prevalence and determinants of PTSD, anxiety, and depression in Ukrainian civilian physicians and paramedics six months after the Russian invasion of Ukraine. A cross-sectional study was conducted using validated questionnaires: The Life Events Checklist, PTSD Checklist for DSM-5, The International Trauma Questionnaire (ICD-11), The Generalized Anxiety Disorder-7, The Patient Health Questionnaire-9, The World Health Organization Disability Assessment Schedule 2.0. The study showed that 61.1 % of participants indicated combat or exposure to a war zone as the most bothersome event in their experience. Physicians and paramedics did not differ in the prevalence of PTSD according to the DSM-5 diagnostic rule and of depression (criteria met by 14.5 % and 9 % of participants, respectively). However, more physicians than paramedics met the criteria of PTSD according to the ICD-11 diagnostic rule (5.1 % vs. 1.2 %) and of anxiety (16.5 % vs. 10.0 %). The risk factors for the mental health problems included personal combat experience, total trauma exposure, parenthood, and economic situation. Despite the differences found in the prevalence of PTSD depending on the criteria used, the severity of mental problems and disability in this group is significant. It is advisable to monitor the mental state and need for help among Ukrainian civilian medical personnel.
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Affiliation(s)
- Patryk Rzońca
- Department of Human Anatomy, Medical University of Warsaw, Warsaw, Poland.
| | - Marcin Podgórski
- Department of Emergency Medical Services, Medical University of Warsaw, Warsaw, Poland
| | | | - Robert Gałązkowski
- Department of Emergency Medical Services, Medical University of Warsaw, Warsaw, Poland
| | - Ewa Rzońca
- Department of Obstetrics and Gynecology Didactics, Medical University of Warsaw, Warsaw, Poland
| | - Oryna Detsyk
- Department of Social Medicine and Public Health, Ivano-Frankivsk National Medical University, Ivano-Frankivsk, Ukraine
| | - Dorota Włodarczyk
- Department of Health Psychology, Medical University of Warsaw, Warsaw, Poland
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10
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Qi P, Huang M, Ren X, Zhai Y, Qiu C, Zhu H. Identification of potential biomarkers and therapeutic targets related to post-traumatic stress disorder due to traumatic brain injury. Eur J Med Res 2024; 29:44. [PMID: 38212778 PMCID: PMC10782540 DOI: 10.1186/s40001-024-01640-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/03/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Post-traumatic stress disorder (PTSD), a disease state that has an unclear pathogenesis, imposes a substantial burden on individuals and society. Traumatic brain injury (TBI) is one of the most significant triggers of PTSD. Identifying biomarkers associated with TBI-related PTSD will help researchers to uncover the underlying mechanism that drives disease development. Furthermore, it remains to be confirmed whether different types of traumas share a common mechanism of action. METHODS For this study, we screened the eligible data sets from the Gene Expression Omnibus (GEO) database, obtained differentially expressed genes (DEGs) through analysis, conducted functional enrichment analysis on the DEGs in order to understand their molecular mechanisms, constructed a PPI network, used various algorithms to obtain hub genes, and finally evaluated, validated, and analyzed the diagnostic performance of the hub genes. RESULTS A total of 430 upregulated and 992 down-regulated differentially expressed genes were extracted from the TBI data set. A total of 1919 upregulated and 851 down-regulated differentially expressed genes were extracted from the PTSD data set. Functional enrichment analysis revealed that the differentially expressed genes had biological functions linked to molecular regulation, cell signaling transduction, cell metabolic regulation, and immune response. After constructing a PPI network and introducing algorithm analysis, the upregulated hub genes were identified as VNN1, SERPINB2, and ETFDH, and the down-regulated hub genes were identified as FLT3LG, DYRK1A, DCN, and FKBP8. In addition, by comparing the data with patients with other types of trauma, it was revealed that PTSD showed different molecular processes that are under the influence of different trauma characteristics and responses. CONCLUSIONS By exploring the role of different types of traumas during the pathogenesis of PTSD, its possible molecular mechanisms have been revealed, providing vital information for understanding the complex pathways associated with TBI-related PTSD. The data in this study has important implications for the design and development of new diagnostic and therapeutic methods needed to treat and manage PTSD.
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Affiliation(s)
- Peng Qi
- Department of Emergency, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China
| | - Mengjie Huang
- Department of Nephrology, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China
| | - Xuewen Ren
- Department of Emergency, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China
| | - Yongzhi Zhai
- Department of Emergency, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China
| | - Chen Qiu
- Department of Orthopedics, Fourth Medical Center of Chinese, PLA General Hospital, Beijing, 100853, China.
| | - Haiyan Zhu
- Department of Emergency, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China.
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11
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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. Eur J Psychotraumatol 2023; 14:2152929. [PMID: 37052096 PMCID: PMC9793941 DOI: 10.1080/20008066.2022.2152929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
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.
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12
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Zeamer AL, Salive MC, An X, Beaudoin FL, House SL, Stevens JS, Zeng D, Neylan TC, Clifford GD, Linnstaedt SD, Rauch SL, Storrow AB, Lewandowski C, Musey PI, Hendry PL, Sheikh S, Jones CW, Punches BE, Swor RA, Hudak LA, Pascual JL, Seamon MJ, Harris E, Pearson C, Peak DA, Merchant RC, Domeier RM, Rathlev NK, O'Neil BJ, Sergot P, Sanchez LD, Bruce SE, Kessler RC, Koenen KC, McLean SA, Bucci V, Haran JP. Association between microbiome and the development of adverse posttraumatic neuropsychiatric sequelae after traumatic stress exposure. Transl Psychiatry 2023; 13:354. [PMID: 37980332 PMCID: PMC10657470 DOI: 10.1038/s41398-023-02643-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/20/2023] [Accepted: 10/30/2023] [Indexed: 11/20/2023] Open
Abstract
Patients exposed to trauma often experience high rates of adverse post-traumatic neuropsychiatric sequelae (APNS). The biological mechanisms promoting APNS are currently unknown, but the microbiota-gut-brain axis offers an avenue to understanding mechanisms as well as possibilities for intervention. Microbiome composition after trauma exposure has been poorly examined regarding neuropsychiatric outcomes. We aimed to determine whether the gut microbiomes of trauma-exposed emergency department patients who develop APNS have dysfunctional gut microbiome profiles and discover potential associated mechanisms. We performed metagenomic analysis on stool samples (n = 51) from a subset of adults enrolled in the Advancing Understanding of RecOvery afteR traumA (AURORA) study. Two-, eight- and twelve-week post-trauma outcomes for post-traumatic stress disorder (PTSD) (PTSD checklist for DSM-5), normalized depression scores (PROMIS Depression Short Form 8b) and somatic symptom counts were collected. Generalized linear models were created for each outcome using microbial abundances and relevant demographics. Mixed-effect random forest machine learning models were used to identify associations between APNS outcomes and microbial features and encoded metabolic pathways from stool metagenomics. Microbial species, including Flavonifractor plautii, Ruminococcus gnavus and, Bifidobacterium species, which are prevalent commensal gut microbes, were found to be important in predicting worse APNS outcomes from microbial abundance data. Notably, through APNS outcome modeling using microbial metabolic pathways, worse APNS outcomes were highly predicted by decreased L-arginine related pathway genes and increased citrulline and ornithine pathways. Common commensal microbial species are enriched in individuals who develop APNS. More notably, we identified a biological mechanism through which the gut microbiome reduces global arginine bioavailability, a metabolic change that has also been demonstrated in the plasma of patients with PTSD.
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Affiliation(s)
- Abigail L Zeamer
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Marie-Claire Salive
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Xinming An
- Institute for Trauma Recovery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Francesca L Beaudoin
- Department of Epidemiology, Brown University, Providence, RI, USA
- Department of Emergency Medicine, Brown University, Providence, RI, USA
| | - Stacey L House
- Department of Emergency Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jennifer S Stevens
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Donglin Zeng
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Thomas C Neylan
- Departments of Psychiatry and Neurology, University of California San Francisco, San Francisco, CA, USA
| | - Gari D Clifford
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Sarah D Linnstaedt
- Institute for Trauma Recovery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- The Many Brains Project, Belmont, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Scott L Rauch
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Institute for Technology in Psychiatry, McLean Hospital, Belmont, MA, USA
- Department of Psychiatry, McLean Hospital, Belmont, MA, USA
| | - Alan B Storrow
- Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Paul I Musey
- Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Phyllis L Hendry
- Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, FL, USA
| | - Sophia Sheikh
- Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, FL, USA
| | - Christopher W Jones
- Department of Emergency Medicine, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Brittany E Punches
- Department of Emergency Medicine, Ohio State University College of Medicine, Columbus, OH, USA
- Ohio State University College of Nursing, Columbus, OH, USA
| | - Robert A Swor
- Department of Emergency Medicine, Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - Lauren A Hudak
- Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Jose L Pascual
- Department of Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Mark J Seamon
- Department of Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Erica Harris
- Department of Emergency Medicine, Einstein Medical Center, Philadelphia, PA, USA
| | - Claire Pearson
- Department of Emergency Medicine, Wayne State University, Ascension St. John Hospital, Detroit, MI, USA
| | - David A Peak
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Roland C Merchant
- Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Robert M Domeier
- Department of Emergency Medicine, Trinity Health-Ann Arbor, Ypsilanti, MI, USA
| | - Niels K Rathlev
- Department of Emergency Medicine, University of Massachusetts Medical School-Baystate, Springfield, MA, USA
| | - Brian J O'Neil
- Department of Emergency Medicine, Wayne State University, Detroit Receiving Hospital, Detroit, MI, USA
| | - Paulina Sergot
- Department of Emergency Medicine, McGovern Medical School at UTHealth, Houston, TX, USA
| | - Leon D Sanchez
- Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Department of Emergency Medicine, Harvard Medical School, Boston, MA, USA
| | - Steven E Bruce
- Department of Psychological Sciences, University of Missouri - St. Louis, St. Louis, MO, USA
| | - Ronald C Kessler
- Department of Health Care Policy, Harvard Medical School, Boston, MA, USA
| | | | - Samuel A McLean
- Department of Emergency Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Vanni Bucci
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Program in Microbiome Dynamics, University of Massachusetts Chan Medical School, Worcester, MA, USA.
| | - John P Haran
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Program in Microbiome Dynamics, University of Massachusetts Chan Medical School, Worcester, MA, USA.
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13
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Frewen P, Wong S, Bailey T, Courtois C, Lanius R. As simple as possible, but not simpler: Revisiting the International Trauma Questionnaire (ITQ) complex PTSD items omitted in the shortened version. CHILD ABUSE & NEGLECT 2023; 141:106207. [PMID: 37148710 DOI: 10.1016/j.chiabu.2023.106207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/12/2023] [Accepted: 04/19/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND The risks of oversimplification of the symptomatology of Complex PTSD (CPTSD) have been highlighted in the literature. OBJECTIVE To re-examine 10 items representing disturbances in self-organization (DSO) that were deleted from the original 28-item version of the International Trauma Questionnaire (ITQ) when creating the current 12-item version. PARTICIPANTS AND SETTING An online convenience sample of 1235 MTurk users. METHODS Online survey comprising the fuller 28-item previous version of the ITQ, Adverse Childhood Experiences (ACEs) questionnaire, and PTSD Checklist for DSM-5 (PCL-5). RESULTS First, averaged endorsement of the 10 omitted items was lower than the 6 retained DSO items (d' = 0.34). Second, the 10 omitted DSO items accounted for incremental variance over and correlated equivalently to the 6 retained items with the PCL-5. Third, only the 10 omitted DSO items (r-part = 0.12) while not the 6 retained DSO items (r-part = -0.01) independently predicted ACE scores and, eight of these ten omitted DSO items differentiated higher ACE scores even among the subset of 266 participants who endorsed all 6 of the retained DSO items, most with medium effect sizes. Fourth, exploratory principal axis factor analysis differentiated two latent variables within the fuller set of 16 DSO symptoms, with the strongest indicators of the second factor, namely uncontrollable anger, recklessness, derealization, and depersonalization, being unmeasured within the 6 retained DSO items. Moreover, scores on both factors independently predicted both PCL-5 and ACE scores. CONCLUSIONS There are conceptual and pragmatic advantages to revisiting a more content-valid and comprehensive conceptualization of CPTSD and DSO, partially as may be measured by the recently deleted items from the original and fuller length ITQ.
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Affiliation(s)
- Paul Frewen
- Department of Psychiatry, Western University, 1151 Richmond St, London, ON N6A 3K7, Canada; Department of Psychology, Western University, 1151 Richmond St, London, ON N6A 3K7, Canada.
| | - Serena Wong
- Department of Psychology, Parkwood Institute Mental Healthcare, 550 Wellington Rd, London, ON N6C 5J1, Canada
| | - Tyson Bailey
- Spectrum Psychological Associates of Washington, 1728 W Marine View Dr, Suite 109 Everett, WA 98201
| | - Christine Courtois
- Private Practice, Trauma Psychology and Treatment PO Box 1326 Bethany Beach, DE. 19930
| | - Ruth Lanius
- Department of Psychiatry, Western University, 1151 Richmond St, London, ON N6A 3K7, Canada
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14
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Al Jowf GI, Ahmed ZT, Reijnders RA, de Nijs L, Eijssen LMT. To Predict, Prevent, and Manage Post-Traumatic Stress Disorder (PTSD): A Review of Pathophysiology, Treatment, and Biomarkers. Int J Mol Sci 2023; 24:ijms24065238. [PMID: 36982313 PMCID: PMC10049301 DOI: 10.3390/ijms24065238] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) can become a chronic and severely disabling condition resulting in a reduced quality of life and increased economic burden. The disorder is directly related to exposure to a traumatic event, e.g., a real or threatened injury, death, or sexual assault. Extensive research has been done on the neurobiological alterations underlying the disorder and its related phenotypes, revealing brain circuit disruption, neurotransmitter dysregulation, and hypothalamic–pituitary–adrenal (HPA) axis dysfunction. Psychotherapy remains the first-line treatment option for PTSD given its good efficacy, although pharmacotherapy can also be used as a stand-alone or in combination with psychotherapy. In order to reduce the prevalence and burden of the disorder, multilevel models of prevention have been developed to detect the disorder as early as possible and to reduce morbidity in those with established diseases. Despite the clinical grounds of diagnosis, attention is increasing to the discovery of reliable biomarkers that can predict susceptibility, aid diagnosis, or monitor treatment. Several potential biomarkers have been linked with pathophysiological changes related to PTSD, encouraging further research to identify actionable targets. This review highlights the current literature regarding the pathophysiology, disease development models, treatment modalities, and preventive models from a public health perspective, and discusses the current state of biomarker research.
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Affiliation(s)
- Ghazi I. Al Jowf
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- Department of Public Health, College of Applied Medical Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
- Correspondence: (G.I.A.J.); (L.M.T.E.)
| | - Ziyad T. Ahmed
- College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Rick A. Reijnders
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Laurence de Nijs
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Lars M. T. Eijssen
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
- Department of Bioinformatics—BiGCaT, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands
- Correspondence: (G.I.A.J.); (L.M.T.E.)
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15
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Ben-Zion Z, Korem N, Spiller TR, Duek O, Keynan JN, Admon R, Harpaz-Rotem I, Liberzon I, Shalev AY, Hendler T. Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors. Mol Psychiatry 2023; 28:657-667. [PMID: 36280750 PMCID: PMC9918676 DOI: 10.1038/s41380-022-01842-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 10/05/2022] [Accepted: 10/11/2022] [Indexed: 11/08/2022]
Abstract
The hippocampus and the amygdala play a central role in post-traumatic stress disorder (PTSD) pathogenesis. While alternations in volumes of both regions have been consistently observed in individuals with PTSD, it remains unknown whether these reflect pre-trauma vulnerability traits or acquired post-trauma consequences of the disorder. Here, we conducted a longitudinal panel study of adult civilian trauma survivors admitted to a general hospital emergency department (ED). One hundred eligible participants (mean age = 32.97 ± 10.97, n = 56 females) completed both clinical interviews and structural MRI scans at 1-, 6-, and 14-months after ED admission (alias T1, T2, and T3). While all participants met PTSD diagnosis at T1, only n = 29 still met PTSD diagnosis at T3 (a "non-Remission" Group), while n = 71 did not (a "Remission" Group). Bayesian multilevel modeling analysis showed robust evidence for smaller right hippocampus volume (P+ of ~0.014) and moderate evidence for larger left amygdala volume (P+ of ~0.870) at T1 in the "non-Remission" group, compared to the "Remission" group. Subregion analysis further demonstrated robust evidence for smaller volume in the subiculum and right CA1 hippocampal subregions (P+ of ~0.021-0.046) in the "non-Remission" group. No time-dependent volumetric changes (T1 to T2 to T3) were observed across all participants or between groups. Results support the "vulnerability trait" hypothesis, suggesting that lower initial volumes of specific hippocampus subregions are associated with non-remitting PTSD. The stable volume of all hippocampal and amygdala subregions does not support the idea of consequential, progressive, stress-related atrophy during the first critical year following trauma exposure.
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Affiliation(s)
- Ziv Ben-Zion
- Yale School of Medicine, Yale University, New Haven, CT, USA.
- US Department of Veterans Affairs National Center for PTSD, Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA.
- Sagol Brain Institute Tel Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.
| | - Nachshon Korem
- Yale School of Medicine, Yale University, New Haven, CT, USA
- US Department of Veterans Affairs National Center for PTSD, Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Tobias R Spiller
- Yale School of Medicine, Yale University, New Haven, CT, USA
- US Department of Veterans Affairs National Center for PTSD, Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Or Duek
- Yale School of Medicine, Yale University, New Haven, CT, USA
- US Department of Veterans Affairs National Center for PTSD, Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Jackob Nimrod Keynan
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Roee Admon
- School of Psychological Sciences, University of Haifa, Haifa, Israel
- The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel
| | - Ilan Harpaz-Rotem
- Yale School of Medicine, Yale University, New Haven, CT, USA
- US Department of Veterans Affairs National Center for PTSD, Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
- Wu Tsai Institute, Yale University, New Haven, CT, USA
- Department of Psychology, Yale University, New Haven, CT, USA
| | - Israel Liberzon
- Department of Psychiatry, College of Medicine, Texas A&M, College Station, TX, USA
| | - Arieh Y Shalev
- Department of Psychiatry, NYU Grossman School of Medicine, New York City, NY, USA
| | - Talma Hendler
- Sagol Brain Institute Tel Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- Faculty of Social Sciences and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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16
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Ben-Zion Z, Spiller TR, Keynan JN, Admon R, Levy I, Liberzon I, Shalev AY, Hendler T, Harpaz-Rotem I. Evaluating the Evidence for Brain-Based Biotypes of Psychiatric Vulnerability in the Acute Aftermath of Trauma. Am J Psychiatry 2023; 180:146-154. [PMID: 36628514 PMCID: PMC9898083 DOI: 10.1176/appi.ajp.20220271] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE The weak link between subjective symptom-based diagnostic methods for posttraumatic psychopathology and objectively measured neurobiological indices forms a barrier to the development of effective personalized treatments. To overcome this problem, recent studies have aimed to stratify psychiatric disorders by identifying consistent subgroups based on objective neural markers. Along these lines, a promising 2021 study by Stevens et al. identified distinct brain-based biotypes associated with different longitudinal patterns of posttraumatic symptoms. Here, the authors conducted a conceptual nonexact replication of that study using a comparable data set from a multimodal longitudinal study of recent trauma survivors. METHODS A total of 130 participants (mean age, 33.61 years, SD=11.21; 48% women) admitted to a general hospital emergency department following trauma exposure underwent demographic, clinical, and neuroimaging assessments 1, 6, and 14 months after trauma. All analyses followed the pipeline outlined in the original study and were conducted in collaboration with its authors. RESULTS Task-based functional MRI conducted 1 month posttrauma was used to identify four clusters of individuals based on profiles of neural activity reflecting threat and reward reactivity. These clusters were not identical to the previously identified brain-based biotypes and were not associated with prospective symptoms of posttraumatic psychopathology. CONCLUSIONS Overall, these findings suggest that the original brain-based biotypes of trauma resilience and psychopathology may not generalize to other populations. Thus, caution is warranted when attempting to define subtypes of psychiatric vulnerability using neural indices before treatment implications can be fully realized. Additional replication studies are needed to identify more stable and generalizable neuroimaging-based biotypes of posttraumatic psychopathology.
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Affiliation(s)
- Ziv Ben-Zion
- Yale School of Medicine, Yale University, New Haven, CT, USA
- United States Department of Veterans Affairs National Center for PTSD Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel
| | - Tobias R Spiller
- Yale School of Medicine, Yale University, New Haven, CT, USA
- United States Department of Veterans Affairs National Center for PTSD Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Jakcob N Keynan
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Roee Admon
- School of Psychological Sciences, University of Haifa, Haifa, Israel
- The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel
| | - Ifat Levy
- Yale School of Medicine, Yale University, New Haven, CT, USA
- Wu Tsai Institute, Yale University, New Haven, CT, USA
- Departments of Psychology, Yale University, New Haven, CT, USA
| | - Israel Liberzon
- Department of Psychiatry, College of Medicine, Texas A&M, College Station, TX, USA
| | - Arieh Y Shalev
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Department of Psychiatry, NYU Grossman School of Medicine, New York, NY, USA
| | - Talma Hendler
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel
- Faculty of Social Sciences & Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Ilan Harpaz-Rotem
- Yale School of Medicine, Yale University, New Haven, CT, USA
- United States Department of Veterans Affairs National Center for PTSD Clinical Neuroscience Division, VA Connecticut Healthcare System, West Haven, CT, USA
- Wu Tsai Institute, Yale University, New Haven, CT, USA
- Departments of Psychology, Yale University, New Haven, CT, USA
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17
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Niewiadomska I, Jurek K, Chwaszcz J, Korżyńska-Piętas M, Peciakowski T. PTSD as a Moderator of the Relationship Between the Distribution of Personal Resources and Spiritual Change Among Participants of Hostilities in Ukraine. JOURNAL OF RELIGION AND HEALTH 2023; 62:479-499. [PMID: 35347577 DOI: 10.1007/s10943-022-01547-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
The theory of conservation of resources (COR) can be used to search for mechanisms that explain spiritual changes caused by trauma. The present study aimed to verify whether PTSD could be a potential moderator between the distribution of personal resources and spiritual changes. The study included a total of 324 adults (75 women and 243 men) aged 18-74. The mean age was 34.3 (SD = 9.9). The Polish adaptation of Hobfoll's Conservation of Resources-Evaluation (COR-E), the posttraumatic stress disorder (PTSD) Checklist-Civilian Version and the Posttraumatic Growth Inventory were employed in the research. This study analyzed the spiritual change, which is one of the five domains of posttraumatic growth. The outcomes indicated the significant role of PTSD as a moderator of the relationships between 1) personal resources gain and spiritual change and 2) personal resources loss and spiritual change. PTSD is not a moderator in the relationship between assigning value to personal resources and spiritual change.
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Affiliation(s)
- Iwona Niewiadomska
- Department of Social Psychoprevention, John Paul II Catholic University of Lublin, 20-950, Lublin, Poland
| | - Krzysztof Jurek
- Department of Sociology of Culture, Religion and Social Participation, John Paul II Catholic University of Lublin, 20-950, Lublin, Poland.
| | - Joanna Chwaszcz
- Department of Social Psychoprevention, John Paul II Catholic University of Lublin, 20-950, Lublin, Poland
| | | | - Tomasz Peciakowski
- Department of Social Theories and Sociology of Family, John Paul II Catholic University of Lublin, 20-950, Lublin, Poland
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18
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Disorders Specifically Associated With Stress in ICD-11. CLINICAL PSYCHOLOGY IN EUROPE 2022; 4:e9711. [PMID: 36760318 PMCID: PMC9881111 DOI: 10.32872/cpe.9711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 10/12/2022] [Indexed: 12/16/2022] Open
Abstract
Background After almost three decades of ICD-10 use for diagnostic purposes, the World Health Organization has conducted a systematic and elaborate evaluation to revise the classification of mental disorders in this system. This revision resulted in the 11th version (ICD-11), introduced in 2022. As one new feature, the ICD-11 forms a new grouping of mental disorders specifically associated with stress. Method The current review presents an overview of the diagnostic features and cultural specifications of disorders specifically associated with stress. This grouping includes posttraumatic stress disorder and complex posttraumatic stress disorder, prolonged grief disorder, adjustment disorder, as well as two diagnoses for children, reactive attachment disorder and disinhibited social engagement disorder. Results Overall, there is evidence for the improved clinical utility and applicability of these disorders. The disorders have been defined in a parsimonious way by few features, but they suffice for scientific purposes as well. Conclusion However, more research is needed to evaluate assessments for the diagnoses and diagnostic features in the ICD-11.
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19
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Theory Paper: Suggesting Compassion-Based Approaches for Treating Complex Post-traumatic Stress Disorder. Int J Ment Health Addict 2022. [DOI: 10.1007/s11469-022-00856-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
AbstractComplex post-traumatic stress disorder (CPTSD) may develop following interpersonal and cumulative traumatic events, usually during early development. In addition to the core PTSD symptom profile, CPTSD presents emotional dysregulation symptoms that can be resistant to conventional treatments. Compassion-focused therapy (CFT) may be an effective intervention for addressing the more resistant symptoms in the emotional stabilisation phase of treatment rather than the trauma-processing phase. This paper explores the diagnostic validity and prevalence of CPTSD, treatment recommendations and the role of CFT in mediating shame and stabilising emotional dysregulation. We also evaluate current evidence utilising compassion-based interventions for the components of the CPTSD symptom profile and the viability of CFT as a whole. The novelty of CPTSD as a clinical condition means there is limited evidence regarding recommended treatment. Research into the efficacy of CFT and its suitability to target CPTSD’s symptom profile will contribute to the current gap in recommended treatment approaches for this condition.
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20
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Dreßing HR, Foerster K. [Diagnostic Criteria of PTSD in ICD10, ICD-11 and DSM 5: Relevance for expert opinion]. Psychother Psychosom Med Psychol 2022; 72:258-271. [PMID: 35679854 DOI: 10.1055/a-1770-3972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The diagnostic criteria of PTSD differ in the ICD-10, ICD-11 and DSM-5 manuals. The main diagnostic criteria are presented. The psychopathological findings obtained in a structured interview are essential for the diagnosis. Three case studies are used to illustrate the expert assessment in criminal law, accident insurance and victim compensation law.
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21
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Dunsmoor JE, Cisler JM, Fonzo GA, Creech SK, Nemeroff CB. Laboratory models of post-traumatic stress disorder: The elusive bridge to translation. Neuron 2022; 110:1754-1776. [PMID: 35325617 PMCID: PMC9167267 DOI: 10.1016/j.neuron.2022.03.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/18/2022] [Accepted: 02/28/2022] [Indexed: 12/14/2022]
Abstract
Post-traumatic stress disorder (PTSD) is a debilitating mental illness composed of a heterogeneous collection of symptom clusters. The unique nature of PTSD as arising from a precipitating traumatic event helps simplify cross-species translational research modeling the neurobehavioral effects of stress and fear. However, the neurobiological progress on these complex neural circuits informed by animal models has yet to produce novel, evidence-based clinical treatment for PTSD. Here, we provide a comprehensive overview of popular laboratory models of PTSD and provide concrete ideas for improving the validity and clinical translational value of basic research efforts in humans. We detail modifications to simplified animal paradigms to account for myriad cognitive factors affected in PTSD, which may contribute to abnormalities in regulating fear. We further describe new avenues for integrating different areas of psychological research underserved by animal models of PTSD. This includes incorporating emerging trends in the cognitive neuroscience of episodic memory, emotion regulation, social-emotional processes, and PTSD subtyping to provide a more comprehensive recapitulation of the human experience to trauma in laboratory research.
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Affiliation(s)
- Joseph E Dunsmoor
- Department of Psychiatry and Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, TX, USA; Center for Psychedelic Research and Therapy, University of Texas at Austin Dell Medical School, Austin, TX, USA.
| | - Josh M Cisler
- Department of Psychiatry and Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, TX, USA; Institute for Early Life Adversity Research, University of Texas at Austin, Austin, TX, USA; Center for Psychedelic Research and Therapy, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Gregory A Fonzo
- Department of Psychiatry and Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, TX, USA; Institute for Early Life Adversity Research, University of Texas at Austin, Austin, TX, USA; Center for Psychedelic Research and Therapy, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Suzannah K Creech
- Department of Psychiatry and Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, TX, USA; Institute for Early Life Adversity Research, University of Texas at Austin, Austin, TX, USA
| | - Charles B Nemeroff
- Department of Psychiatry and Behavioral Sciences, University of Texas at Austin Dell Medical School, Austin, TX, USA; Institute for Early Life Adversity Research, University of Texas at Austin, Austin, TX, USA; Center for Psychedelic Research and Therapy, University of Texas at Austin Dell Medical School, Austin, TX, USA.
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22
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Reed GM, First MB, Billieux J, Cloitre M, Briken P, Achab S, Brewin CR, King DL, Kraus SW, Bryant RA. Emerging experience with selected new categories in the ICD-11: complex PTSD, prolonged grief disorder, gaming disorder, and compulsive sexual behaviour disorder. World Psychiatry 2022; 21:189-213. [PMID: 35524599 PMCID: PMC9077619 DOI: 10.1002/wps.20960] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Among the important changes in the ICD-11 is the addition of 21 new mental disorders. New categories are typically proposed to: a) improve the usefulness of morbidity statistics; b) facilitate recognition of a clinically important but poorly classified mental disorder in order to provide appropriate management; and c) stimulate research into more effective treatments. Given the major implications for the field and for World Health Organization (WHO) member states, it is important to examine the impact of these new categories during the early phase of the ICD-11 implementation. This paper focuses on four disorders: complex post-traumatic stress disorder, prolonged grief disorder, gaming disorder, and compulsive sexual behaviour disorder. These categories were selected because they have been the focus of considerable activity and/or controversy and because their inclusion in the ICD-11 represents a different decision than was made for the DSM-5. The lead authors invited experts on each of these disorders to provide insight into why it was considered important to add it to the ICD-11, implications for care of not having that diagnostic category, important controversies about adding the disorder, and a review of the evidence generated and other developments related to the category since the WHO signaled its intention to include it in the ICD-11. Each of the four diagnostic categories appears to describe a population with clinically important and distinctive features that had previously gone unrecognized as well as specific treatment needs that would otherwise likely go unmet. The introduction of these categories in the ICD-11 has been followed by a substantial expansion of research in each area, which has generally supported their validity and utility, and by a significant increase in the availability of appropriate services.
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Affiliation(s)
- Geoffrey M Reed
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Michael B First
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Joël Billieux
- Institute of Psychology, University of Lausanne, Lausanne, Switzerland
- Center for Excessive Gambling, Addiction Medicine, Lausanne University Hospitals, Lausanne, Switzerland
| | - Marylene Cloitre
- National Center for PTSD Dissemination and Training Division, VA Palo Alto Health Care, Menlo Park, CA, USA
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Peer Briken
- Institute for Sex Research and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sophia Achab
- Outpatient Treatment Unit for Addictive Behaviors ReConnecte, Geneva University Hospitals, Geneva, Switzerland
- Psychological and Sociological Research and Training Unit, Department of Psychiatry, University of Geneva, Geneva, Switzerland
| | - Chris R Brewin
- Department of Clinical, Educational and Health Psychology, University College London, London, UK
| | - Daniel L King
- College of Education, Psychology, and Social Work, Flinders University, Adelaide, SA, Australia
| | - Shane W Kraus
- Department of Psychology, University of Nevada, Las Vegas, NV, USA
| | - Richard A Bryant
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
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23
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Al Jowf GI, Ahmed ZT, An N, Reijnders RA, Ambrosino E, Rutten BPF, de Nijs L, Eijssen LMT. A Public Health Perspective of Post-Traumatic Stress Disorder. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:6474. [PMID: 35682057 PMCID: PMC9180718 DOI: 10.3390/ijerph19116474] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 11/25/2022]
Abstract
Trauma exposure is one of the most important and prevalent risk factors for mental and physical ill-health. Prolonged or excessive stress exposure increases the risk of a wide variety of mental and physical symptoms, resulting in a condition known as post-traumatic stress disorder (PTSD). The diagnosis might be challenging due to the complex pathophysiology and co-existence with other mental disorders. The prime factor for PTSD development is exposure to a stressor, which variably, along with peritraumatic conditions, affects disease progression and severity. Additionally, many factors are thought to influence the response to the stressor, and hence reshape the natural history and course of the disease. With sufficient knowledge about the disease, preventive and intervenient methods can be implemented to improve the quality of life of the patients and to limit both the medical and economic burden of the disease. This literature review provides a highlight of up-to-date literature on traumatic stress, with a focus on causes or triggers of stress, factors that influence response to stress, disease burden, and the application of the social-ecological public health model of disease prevention. In addition, it addresses therapeutic aspects, ethnic differences in traumatic stress, and future perspectives, including potential biomarkers.
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Affiliation(s)
- Ghazi I. Al Jowf
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- Department of Public Health, College of Applied Medical Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Ziyad T. Ahmed
- College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia;
| | - Ning An
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Rick A. Reijnders
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Elena Ambrosino
- Institute for Public Health Genomics, Department of Genetics and Cell Biology, Research School GROW (School for Oncology and Reproduction), Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands;
| | - Bart P. F. Rutten
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Laurence de Nijs
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Lars M. T. Eijssen
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands; (N.A.); (R.A.R.); (B.P.F.R.); (L.d.N.)
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
- Department of Bioinformatics—BiGCaT, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands
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24
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Neuroinflammation in Post-Traumatic Stress Disorder. Biomedicines 2022; 10:biomedicines10050953. [PMID: 35625690 PMCID: PMC9138406 DOI: 10.3390/biomedicines10050953] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/15/2022] [Accepted: 04/18/2022] [Indexed: 12/07/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) is a well-known mental illness, which is caused by various stressors, including memories of past physical assaults and psychological pressure. It is diagnosed as a mental and behavioral disorder, but increasing evidence is linking it to the immune system and inflammatory response. Studies on the relationship between inflammation and PTSD revealed that patients with PTSD had increased levels of inflammatory cytokine biomarkers, such as interleukin-1, interleukin-6, tumor necrosis factor-α, nuclear factor-κB, and C-reactive protein, compared with healthy controls. In addition, animal model experiments imitating PTSD patients suggested the role of inflammation in the pathogenesis and pathophysiology of PTSD. In this review, we summarize the definition of PTSD and its association with increased inflammation, its mechanisms, and future predictable diseases and treatment possibilities. We also discuss anti-inflammatory treatments to address inflammation in PTSD.
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25
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Schultebraucks K, Ben-Zion Z, Admon R, Keynan JN, Liberzon I, Hendler T, Shalev AY. Assessment of early neurocognitive functioning increases the accuracy of predicting chronic PTSD risk. Mol Psychiatry 2022; 27:2247-2254. [PMID: 35082440 PMCID: PMC11129320 DOI: 10.1038/s41380-022-01445-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 12/24/2021] [Accepted: 01/12/2022] [Indexed: 11/08/2022]
Abstract
Post-traumatic stress disorder (PTSD) is a protracted and debilitating consequence of traumatic events. Identifying early predictors of PTSD can inform the disorder's risk stratification and prevention. We used advanced computational models to evaluate the contribution of early neurocognitive performance measures to the accuracy of predicting chronic PTSD from demographics and early clinical features. We consecutively enrolled adult trauma survivors seen in a general hospital emergency department (ED) to a 14-month long prospective panel study. Extreme Gradient Boosting algorithm evaluated the incremental contribution to 14 months PTSD risk of demographic variables, 1-month clinical variables, and concurrent neurocognitive performance. The main outcome variable was PTSD diagnosis, 14 months after ED admission, obtained by trained clinicians using the Clinician-Administered PTSD Scale (CAPS). N = 138 trauma survivors (mean age = 34.25 ± 11.73, range = 18-64; n = 73 [53%] women) were evaluated 1 month after ED admission and followed for 14 months, at which time n = 33 (24%) met PTSD diagnosis. Demographics and clinical variables yielded a discriminatory accuracy of AUC = 0.68 in classifying PTSD diagnostic status. Adding neurocognitive functioning improved the discriminatory accuracy (AUC = 0.88); the largest contribution emanating from poorer cognitive flexibility, processing speed, motor coordination, controlled and sustained attention, emotional bias, and higher response inhibition, and recall memory. Impaired cognitive functioning 1-month after trauma exposure is a significant and independent risk factor for PTSD. Evaluating cognitive performance could improve early screening and prevention.
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Affiliation(s)
- Katharina Schultebraucks
- Department of Emergency Medicine, Columbia University Irving Medical Center, New York, NY, USA.
- Department of Psychiatry, Columbia University, New York, NY, USA.
- Department of Psychiatry, NYU Grossman School of Medicine, New York, NY, USA.
| | - Ziv Ben-Zion
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel
- Departments of Comparative Medicine and Psychiatry, Yale School of Medicine, Yale University, New Haven, CT, USA
- United States Department of Veterans Affairs National Center for Posttraumatic Stress Disorder, The Clinical Neurosciences Division, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Roee Admon
- School of Psychological Sciences, University of Haifa, Haifa, Israel
| | - Jackob Nimrod Keynan
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel
| | | | - Talma Hendler
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel
- Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel
| | - Arieh Y Shalev
- Department of Psychiatry, NYU Grossman School of Medicine, New York, NY, USA
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26
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Mekawi Y, Silverstein MW, Walker A, Ishiekwene M, Carter S, Michopoulos V, Stevens JS, Powers A. Examining the psychometric properties of the PCL-5 in a black community sample using item response theory. J Anxiety Disord 2022; 87:102555. [PMID: 35338915 PMCID: PMC9275184 DOI: 10.1016/j.janxdis.2022.102555] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 02/03/2022] [Accepted: 03/02/2022] [Indexed: 10/18/2022]
Abstract
Black Americans are more likely to be exposed to certain types of traumatic events and experience posttraumatic stress disorder (PTSD) compared to other racial groups. Consequently, sound assessment of PTSD in this underserved and understudied population is necessary to develop and accurately answer research questions about etiology and intervention efficacy. However, the item-level psychometric properties of one of the most commonly used assessment tools, the PTSD Checklist for DSM-5 (PCL-5), has yet to be examined among Black Americans. To address this gap, we used item response theory (IRT) to assess item difficulty and discrimination in a sample of Black American adults (n = 307). We employed a graded response model with all 20 items of the PCL-5 loading on to a latent PTSD factor. At clinically significant levels of PTSD, the most discriminating items were flashbacks, inability to experience positive emotions, and nightmares and the least discriminating items were cued emotional distress, diminished interest, and hypervigilance. These results emphasize the importance of flashbacks, inability to experience positive emotions, and nightmares and deemphasize the importance of hypervigilance and sleep difficulties when assessing for clinically significant symptoms of PTSD in Black Americans. Treatment implications include a nuanced approach towards hypervigilance.
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Affiliation(s)
- Yara Mekawi
- University of Louisville, Department of Psychological and Brain Sciences, USA.
| | | | - Aisha Walker
- Georgia State University, Department of Psychology, USA
| | | | - Sierra Carter
- Georgia State University, Department of Psychology, USA
| | | | - Jennifer S Stevens
- Emory School of Medicine, Department of Psychiatry and Behavioral Sciences, USA
| | - Abigail Powers
- Emory School of Medicine, Department of Psychiatry and Behavioral Sciences, USA
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27
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Magwood O, Kassam A, Mavedatnia D, Mendonca O, Saad A, Hasan H, Madana M, Ranger D, Tan Y, Pottie K. Mental Health Screening Approaches for Resettling Refugees and Asylum Seekers: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:3549. [PMID: 35329237 PMCID: PMC8953108 DOI: 10.3390/ijerph19063549] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 12/24/2022]
Abstract
Refugees and asylum seekers often face delayed mental health diagnoses, treatment, and care. COVID-19 has exacerbated these issues. Delays in diagnosis and care can reduce the impact of resettlement services and may lead to poor long-term outcomes. This scoping review aims to characterize studies that report on mental health screening for resettling refugees and asylum seekers pre-departure and post-arrival to a resettlement state. We systematically searched six bibliographic databases for articles published between 1995 and 2020 and conducted a grey literature search. We included publications that evaluated early mental health screening approaches for refugees of all ages. Our search identified 25,862 citations and 70 met the full eligibility criteria. We included 45 publications that described mental health screening programs, 25 screening tool validation studies, and we characterized 85 mental health screening tools. Two grey literature reports described pre-departure mental health screening. Among the included publications, three reported on two programs for women, 11 reported on programs for children and adolescents, and four reported on approaches for survivors of torture. Programs most frequently screened for overall mental health, PTSD, and depression. Important considerations that emerged from the literature include cultural and psychological safety to prevent re-traumatization and digital tools to offer more private and accessible self-assessments.
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Affiliation(s)
- Olivia Magwood
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, 25 University Private, Ottawa, ON K1N 7K4, Canada
| | - Azaad Kassam
- Department of Psychiatry, University of Ottawa, 75 Laurier Ave E, Ottawa, ON K1N 6N5, Canada;
- Pinecrest-Queensway Community Health Centre, 1365 Richmond Rd #2, Ottawa, ON K2B 6R7, Canada
- Ottawa Newcomer Health Centre, 291 Argyle, Ottawa, ON K2P 1B8, Canada
| | - Dorsa Mavedatnia
- Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada; (D.M.); (M.M.)
| | - Oreen Mendonca
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
| | - Ammar Saad
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
- School of Epidemiology and Public Health, University of Ottawa, 600 Peter Morand Crescent, Ottawa, ON K1G 5Z3, Canada
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 5B2, Canada
| | - Hafsa Hasan
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
- Institute of Health Policy, Management and Evaluation, University of Toronto, 155 College St, Toronto, ON M5T 3M6, Canada
| | - Maria Madana
- Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada; (D.M.); (M.M.)
| | - Dominique Ranger
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
| | - Yvonne Tan
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
- Faculty of Arts and Sciences, Queen’s University, 99 University Ave, Kingston, ON K7L 3N6, Canada
| | - Kevin Pottie
- C.T. Lamont Primary Care Research Center, Bruyère Research Institute, 85 Primrose Avenue, Ottawa, ON K1R 7G5, Canada; (O.M.); (O.M.); (A.S.); (H.H.); (D.R.); (Y.T.)
- Department of Family Medicine, Western University, London, ON N6A 3K7, Canada
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28
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Examining the associations between PTSD symptoms and aspects of emotion dysregulation through network analysis. J Anxiety Disord 2022; 86:102536. [PMID: 35121479 PMCID: PMC8922552 DOI: 10.1016/j.janxdis.2022.102536] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 12/29/2021] [Accepted: 01/24/2022] [Indexed: 11/21/2022]
Abstract
Despite the clearly established link between posttraumatic stress disorder (PTSD) and emotion dysregulation, little is known about how individual symptoms of PTSD and aspects of emotion dysregulation interrelate. The network approach to mental health disorders provides a novel framework for conceptualizing the association between PTSD and emotion dysregulation as a system of interacting nodes. In this study, we estimated the structural relations among PTSD symptoms and aspects of emotion dysregulation within a large sample of women who participated in a multi-site study of sexual revictimization (N = 463). We estimated expected influence to reveal differential associations among PTSD symptoms and aspects of emotion dysregulation. Further, we estimated bridge expected influence to identify influential nodes connecting PTSD symptoms and aspects of emotion dysregulation. Results highlighted the key role of concentration difficulties in expected influence and bridge expected influence. Findings highlight several PTSD symptoms and aspects of emotion dysregulation that may be targets for future intervention.
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Carvalho CM, Coimbra BM, Xavier G, Bugiga AVG, Fonseca T, Olff M, Polimanti R, Mello AF, Ota VK, Mello MF, Belangero SI. Shorter Telomeres Related to Posttraumatic Stress Disorder Re-experiencing Symptoms in Sexually Assaulted Civilian Women. Front Psychiatry 2022; 13:835783. [PMID: 35664481 PMCID: PMC9161278 DOI: 10.3389/fpsyt.2022.835783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
Telomeres are short tandem repeats of "TTAGGG" that protect the chromosome ends from deterioration or fusion of chromosomes. Their repeat length shortens with cell division acting as a biomarker of cellular aging. Traumatic stress events during adulthood or childhood have been associated with posttraumatic stress disorder (PTSD) and short leukocyte telomere length (LTL). This study investigated whether LTL was associated with PTSD in a Brazilian sample of sexually assaulted civilian women at two time points: baseline and 1-year follow-up. At baseline, we assessed 64 women with PTSD following sexual assault (cases) and 60 women with no previous history of sexual trauma or mental disorders (healthy controls - HC). At follow-up visit, 13 persistent PTSD cases, 11 HCs, and 11 PTSD remitters patients were evaluated. PTSD diagnosis and severity were assessed using Mini International Neuropsychiatric Interview (Diagnostic and Statistical Manual of Mental Disorders III/IV criteria) and Clinician-Administered PTSD Scale for DSM-5 (CAPS-5), respectively. LTL was measured using multiplex real-time polymerase chain reaction (PCR). In the baseline analysis, we observed that LTL was associated with re-experiencing symptoms (B = -0.16; confidence interval (CI) 95% = -0.027--0.005; Bonferroni-adjusted p-value = 0.02), but no association was observed between other PTSD symptoms and LTL. In the longitudinal analysis, telomere shortening was no longer observed in patients with PTSD and PTSD remitters. In conclusion, our findings indicate that shorter baseline LTL is associated with early stage of PTSD re-experiencing symptoms in recently sexually assaulted women.
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Affiliation(s)
- Carolina Muniz Carvalho
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil.,LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Bruno Messina Coimbra
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Psychiatry, University of Amsterdam, Amsterdam Public Health Research Institute and Amsterdam Neuroscience Research Institute, Amsterdam, Netherlands
| | - Gabriela Xavier
- LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil.,Genetics Division of Department of Morphology, Genetics of Universidade Federal de São Paulo, São Paulo, Brazil
| | - Amanda V G Bugiga
- LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil.,Genetics Division of Department of Morphology, Genetics of Universidade Federal de São Paulo, São Paulo, Brazil
| | - Tamiris Fonseca
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil.,LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Miranda Olff
- Department of Psychiatry, University of Amsterdam, Amsterdam Public Health Research Institute and Amsterdam Neuroscience Research Institute, Amsterdam, Netherlands.,ARQ National Psychotrauma Centre, Diemen, Netherlands
| | - Renato Polimanti
- Department of Psychiatry, Yale School of Medicine, VA CT Healthcare Center, West Haven, CT, United States
| | - Andrea Feijó Mello
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Vanessa Kiyomi Ota
- LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil.,Genetics Division of Department of Morphology, Genetics of Universidade Federal de São Paulo, São Paulo, Brazil
| | - Marcelo Feijó Mello
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sintia Iole Belangero
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil.,LiNC - Laboratory of Integrative Neuroscience, Universidade Federal de São Paulo, São Paulo, Brazil.,Genetics Division of Department of Morphology, Genetics of Universidade Federal de São Paulo, São Paulo, Brazil
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North CS, Surís AM, Clarke D, Palka JM, Yousif L, Regier DA. A Crosswalk Study of DSM-IV and DSM-5 Criteria for PTSD from the DSM-5 Field Trials. Psychiatry 2022; 85:228-245. [PMID: 35271425 DOI: 10.1080/00332747.2022.2034107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Objective: Posttraumatic stress disorder (PTSD) is prevalent and sometimes severely disabling. Providing effective treatment for PTSD and addressing its social consequences require accurate diagnosis. PTSD criteria have changed in all editions of the American Diagnostic Criteria since introduction of the diagnosis in DSM-III in 1980. The DSM-5 Field Trials demonstrated very good inter-rater reliability for PTSD, but a crosswalk study comparing DSM-IV and DSM-5 criteria has potential to identify diagnostic differences generated by changed criteria. Methods: A DSM-IV to DSM-5 PTSD crosswalk study was conducted in real-world adult clinical treatment settings in two DSM-5 Field Trials sites, the Dallas (N = 93) and Houston (N = 48) Veterans Affairs medical centers. The crosswalk assessment was conducted by trained clinicians who interviewed the patients and rated both sets of criteria on a combined checklist. Results: PTSD prevalence differed insubstantially between criteria sets (42% vs. 45% and 55% vs. 52% in the Dallas and Houston sites, respectively), with moderate to excellent diagnostic agreement (reliability indicated, respectively, by κ = .53 and .93); however, substantial proportions of individuals diagnosed in one criteria set did not meet criteria in the other. Differences in cross-criteria diagnostic reliability were largely a function of differing definitions of criterion A trauma. Conclusions: Reliability across the two criteria sets was generally good to excellent, and diagnostic discrepancy predominantly reflected the elimination of criterion A2 in DSM-5 with a smaller contribution from changes to the avoidance and numbing criteria.
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Roy O, Levasseur-Moreau J, Renauld E, Hébert LJ, Leblond J, Bilodeau M, Fecteau S. Whole-brain morphometry in Canadian soldiers with posttraumatic stress disorder. Ann N Y Acad Sci 2021; 1509:37-49. [PMID: 34791677 DOI: 10.1111/nyas.14707] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/25/2021] [Accepted: 10/04/2021] [Indexed: 01/11/2023]
Abstract
Patients with posttraumatic stress disorder (PTSD) display several structural brain differences when compared with healthy individuals. However, findings are particularly inconsistent for soldiers with PTSD. Here, we characterized the brain morphometry of 37 soldiers from the Canadian Armed Forces with adulthood war-related PTSD using structural magnetic resonance imaging. We assessed time since trauma, as well as PTSD, depressive, and anxiety symptoms with the Modified PTSD Symptoms Scale, Beck Depression Inventory, and Beck Anxiety Inventory, respectively. Whole-brain morphometry was extracted with FreeSurfer and compared with a validated normative database of more than 2700 healthy individuals. Volume and thickness from several regions differed from the norms. Frontal regions were smaller and thinner, particularly the superior and rostral middle frontal gyri. Furthermore, smaller left rostral middle frontal gyrus, left pericalcarine cortex, and right fusiform gyrus were associated with more recent trauma. All subcortical structures were bigger, except the hippocampus. These findings suggest a particular brain morphometric signature of PTSD in soldiers. Smaller and thinner frontal and larger subcortical regions support impaired top-down and/or downregulation of emotional response in PTSD. Finally, the correlation of smaller frontal, temporal, and occipital regions with more recent trauma might inform future therapeutic approaches.
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Affiliation(s)
- Olivier Roy
- CERVO Brain Research Centre, Quebec, Canada.,Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Department of Psychiatry and Neurosciences, Université Laval, Quebec, Canada
| | - Jean Levasseur-Moreau
- CERVO Brain Research Centre, Quebec, Canada.,Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Department of Psychiatry and Neurosciences, Université Laval, Quebec, Canada
| | - Emmanuelle Renauld
- CERVO Brain Research Centre, Quebec, Canada.,Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Department of Psychiatry and Neurosciences, Université Laval, Quebec, Canada
| | - Luc J Hébert
- Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale, Quebec, Canada.,Department of Rehabilitation, Université Laval, Quebec, Canada
| | - Jean Leblond
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale, Quebec, Canada
| | - Mathieu Bilodeau
- Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Department of Psychiatry and Neurosciences, Université Laval, Quebec, Canada
| | - Shirley Fecteau
- CERVO Brain Research Centre, Quebec, Canada.,Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale, Quebec, Canada.,Department of Psychiatry and Neurosciences, Université Laval, Quebec, Canada
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32
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Dreßing HR, Foerster K. [Diagnostic Criteria of PTSD in ICD10, ICD-11 and DSM 5: Relevance for expert opinion]. FORTSCHRITTE DER NEUROLOGIE-PSYCHIATRIE 2021; 89:578-592. [PMID: 34740280 DOI: 10.1055/a-1542-8497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The diagnostic criteria of PTSD differ in the ICD-10, ICD-11 and DSM-5 manuals. The main diagnostic criteria are presented. The psychopathological findings obtained in a structured interview are essential for the diagnosis. Three case studies are used to illustrate the expert assessment in criminal law, accident insurance and victim compensation law.
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Danzi BA, La Greca AM, Green JG, Comer JS. What's in a name? Comparing alternative conceptualizations of posttraumatic stress disorder among preadolescent children following the Boston Marathon bombing and manhunt. ANXIETY, STRESS, AND COPING 2021; 34:545-558. [PMID: 33661034 DOI: 10.1080/10615806.2021.1894330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 10/12/2020] [Accepted: 02/02/2021] [Indexed: 05/23/2023]
Abstract
BACKGROUND AND OBJECTIVES New diagnostic criteria for posttraumatic stress disorder (PTSD) were introduced by DSM-5 and ICD-11. It remains unclear how well these new definitions of PTSD capture the posttrauma responses of children, particularly when using parent report. This study compared different conceptual models of PTSD in children following the Boston Marathon bombing and manhunt. DESIGN AND METHODS Parents/caretakers (N = 254) reported on PTSD symptoms of their children (ages 4-11) following the Boston Marathon bombing and manhunt. Algorithms compared criteria from ICD-11, DSM-IV, and DSM-5 (specifically the "Preschool" criteria). RESULTS DSM-5 Preschool criteria identified twice as many children as ICD-11, and over four times as many as DSM-IV. DSM-5 Preschool criteria identified all cases detected by ICD-11 and DSM-IV. Across models, all identified cases had greater trauma exposure than non-identified children. DSM-5 Preschool and ICD-11 (but not DSM-IV) cases had greater clinical decline than non-identified children. The Avoidance cluster showed the most variability in identifying cases. CONCLUSIONS Newer models of PTSD are likely to identify more children than DSM-IV, mostly related to changes in the Avoidance criteria. The DSM-5 Preschool definition is the most inclusive model. ICD-11 may provide a balance between inclusivity and stringency in detecting childhood PTSD.
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Affiliation(s)
- BreAnne A Danzi
- Department of Psychology, University of South Dakota, Vermillion, SD, USA
| | | | - Jennifer Greif Green
- Wheelock College of Education & Human Development, Boston University, Boston, MA, USA
| | - Jonathan S Comer
- Department of Psychology, Florida International University, Miami, FL, USA
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Post-traumatic stress disorder (PTSD) symptoms in children with severe epilepsy. Epilepsy Behav 2021; 122:108217. [PMID: 34352664 DOI: 10.1016/j.yebeh.2021.108217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/30/2021] [Accepted: 07/09/2021] [Indexed: 11/22/2022]
Abstract
OBJECTIVES To assess symptoms of post-traumatic stress disorder (PTSD) in children with severe epilepsy and the associations of trauma symptoms across age, comorbid symptoms, epilepsy-specific factors, parental resources, and psychopathology. METHODS Fifty children with severe epilepsy across three different age groups (0-5 yrs., 6-12 yrs., 13-18 yrs.) were assessed with developmental-sensitive and standardized PTSD assessment tools when hospitalized at the tertiary epilepsy center Filadelfia, Denmark. The Diagnostic Infant and Preschool Assessment (DIPA), the Darryl test, and the ITQ questionnaire were used to assess the three age groups, respectively. RESULTS Twenty-two percent of the overall sample met the criteria for PTSD, with a prevalence of symptoms increasing with age (6%, 28%, and 40%). Comorbid psychiatric symptoms in preschoolers were present in 81% of the children witnessing a high level of distress in this group. Behavioral difficulties were elevated across all three age groups, and 40% of the children with trauma symptoms had a parent with concurrent psychopathology. CONCLUSION To the authors' knowledge, this study is the first to assess trauma symptoms with standardized tests in children with more complicated epilepsies. Trauma symptoms in the group are high; however, there is a need for larger scale studies and research into trauma symptoms in children with more severe epilepsy than those assessable with the included assessment tools. The trauma perspective in severe childhood epilepsy might further clarify the complex associations of biological and contextual variables that affect the children's life quality and enable better preventative treatment options for this group.
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Sheynin S, Wolf L, Ben-Zion Z, Sheynin J, Reznik S, Keynan JN, Admon R, Shalev A, Hendler T, Liberzon I. Deep learning model of fMRI connectivity predicts PTSD symptom trajectories in recent trauma survivors. Neuroimage 2021; 238:118242. [PMID: 34098066 PMCID: PMC8350148 DOI: 10.1016/j.neuroimage.2021.118242] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/17/2021] [Accepted: 06/04/2021] [Indexed: 12/20/2022] Open
Abstract
Early intervention following exposure to a traumatic life event could change the clinical path from the development of post traumatic stress disorder (PTSD) to recovery, hence the interest in early detection and underlying biological mechanisms involved in the development of post traumatic sequelae. We introduce a novel end-to-end neural network that employs resting-state and task-based functional MRI (fMRI) datasets, obtained one month after trauma exposure, to predict PTSD symptoms at one-, six- and fourteen-months after the exposure. FMRI data, as well as PTSD status and symptoms, were collected from adults at risk for PTSD development, after admission to emergency room following a traumatic event. Our computational method utilized a per-region encoder to extract brain regions embedding, which were subsequently updated by applying the algorithmic technique of pairwise attention. The affinities obtained between each pair of regions were combined to create a pairwise co-activation map used to perform multi-label classification. The results demonstrate that the novel method's performance in predicting PTSD symptoms, in a prospective manner, outperforms previous analytical techniques reported in the fMRI literature, all trained on the same dataset. We further show a high predictive ability for predicting PTSD symptom clusters and PTSD persistence. To the best of our knowledge, this is the first deep learning method applied on fMRI data with respect to prospective clinical outcomes, to predict PTSD status, severity and symptom clusters. Future work could further delineate the mechanisms that underlie such a prediction, and potentially improve single patient characterization.
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Affiliation(s)
- Shelly Sheynin
- School of Computer Science, Tel Aviv University, Tel-Aviv, Israel
| | - Lior Wolf
- School of Computer Science, Tel Aviv University, Tel-Aviv, Israel.
| | - Ziv Ben-Zion
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel; Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel
| | - Jony Sheynin
- Department of Psychiatry and Behavioral Science, Texas A&M University Health Science Center, TX, USA
| | - Shira Reznik
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Jackob Nimrod Keynan
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel; Department of Psychiatry and Behavioral Science, Stanford University School of Medicine, Stanford, USA
| | - Roee Admon
- School of Psychological Sciences, University of Haifa, Haifa, Israel; The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel
| | - Arieh Shalev
- Department of Psychiatry, New York University Grossman School of Medicine, New York, NY, USA
| | - Talma Hendler
- Sagol Brain Institute Tel-Aviv, Wohl Institute for Advanced Imaging, Tel Aviv Sourasky Medical Center, Tel-Aviv, Israel; Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel; School of Psychological Sciences, Faculty of Social Sciences, Tel-Aviv University, Tel-Aviv, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Israel Liberzon
- Department of Psychiatry and Behavioral Science, Texas A&M University Health Science Center, TX, USA
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Liu H, Li TW, Liang L, Hou WK. Trauma exposure and mental health of prisoners and ex-prisoners: A systematic review and meta-analysis. Clin Psychol Rev 2021; 89:102069. [PMID: 34454322 DOI: 10.1016/j.cpr.2021.102069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 07/06/2021] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
The present meta-analytic review examined the associations between different forms of trauma and mental disorders among prisoners and ex-prisoners. Studies published from 1998 to March 31 2021 were identified by searching PsycINFO, PubMed, Medline and Web of Science. Data were meta-analyzed using a random-effect model. Moderator and mediator analyses were conducted. The protocol was registered in PROSPERO (CRD42020181587). We identified 62 studies (50 non-duplicated samples) with 15,115 (97.86%) prisoners and 330 (2.14%) ex-prisoners in 16 countries. A multi-level meta-analysis found that overall trauma was positively associated with more diagnoses or symptoms of mental disorders (Zr = 0.198, 95% CI = [0.167, 0.229], p < 0.001). Stronger effect sizes were found between childhood trauma (Zr = 0.357, 95% CI = [0.147, 0.568], p < 0.01) and sexual trauma (Zr = 0.326, 95% CI = [0.216, 0.435], p < 0.001) and stress-related disorders. Multilevel moderator analysis showed that effect size was stronger in imprisonment trauma (β = 0.247, 95% CI = [0.177, 0.316], p < 0.01), mixed trauma (β = 0.234, 95% CI = [0.196, 0.272], p < 0.001), and stress-related disorders (β = 0.261, 95% CI = [0.214, 0.307], p < 0.01). Associations between trauma and mental disorders were mediated by social support but not coping. Our findings provide an evidence base for future research on the impact of trauma and inform assessments and interventions in correctional settings.
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Affiliation(s)
- Huinan Liu
- Department of Psychology, The Education University of Hong Kong, Hong Kong, SAR, China; Centre for Psychosocial Health, The Education University of Hong Kong, Hong Kong, SAR, China
| | - Tsz Wai Li
- Centre for Psychosocial Health, The Education University of Hong Kong, Hong Kong, SAR, China
| | - Li Liang
- Centre for Psychosocial Health, The Education University of Hong Kong, Hong Kong, SAR, China; Department of Psychology, The University of Hong Kong, Hong Kong, SAR, China
| | - Wai Kai Hou
- Department of Psychology, The Education University of Hong Kong, Hong Kong, SAR, China; Centre for Psychosocial Health, The Education University of Hong Kong, Hong Kong, SAR, China.
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Agbaria N, Petzold S, Deckert A, Henschke N, Veronese G, Dambach P, Jaenisch T, Horstick O, Winkler V. Prevalence of post-traumatic stress disorder among Palestinian children and adolescents exposed to political violence: A systematic review and meta-analysis. PLoS One 2021; 16:e0256426. [PMID: 34437595 PMCID: PMC8389374 DOI: 10.1371/journal.pone.0256426] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 08/06/2021] [Indexed: 11/19/2022] Open
Abstract
Objective We undertook a systematic review of the literature to explore the prevalence of post-traumatic stress disorder (PTSD) in Palestinian children and adolescents exposed to political violence. This is the first systematic review and meta-analysis of the prevalence of PTSD in this population. Methods PubMed, Embase, PsycInfo, Google Scholar and Cochrane library were searched until June 2020. To estimate the prevalence of PTSD, sub-group and meta-analysis were conducted. Results The search resulted in 2786 studies, of which 28 articles representing 32 samples with a total of 15,121 participants from Gaza Strip and West Bank met either the DSM-4 or DSM-5 criteria and were included. The pooled prevalence of PTSD was 36% (95% CI 30–41%; I2 98.6%) and ranged from 6% to 70%. Sub-group analysis showed that the PTSD prevalence did not differ according to region (West Bank, Gaza Strip) and tended to decrease after including only studies using a representative sample (p<0.001), and among those with low risk of bias (p<0.001). Visual inspection of the included studies revealed significant discrepancies in study design and assessment measures. Conclusion We identified high prevalence of PTSD among Palestinian children and adolescents exposed to political violence. However, the pooled results should be interpreted with caution, due to the high heterogeneity and risk of bias in the included studies. These limitations also reflect the challenge in conceptualizing and measuring PTSD in the Palestinian context with a background of continuous and cumulative trauma. Understanding the contextual factors and developing locally adapted survey measures are of relevance to future research, public health planning, and the provision of mental healthcare in Palestine.
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Affiliation(s)
- Nisreen Agbaria
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
- * E-mail:
| | - Stephanie Petzold
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
| | - Andreas Deckert
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
| | - Nicholas Henschke
- Institute for Musculoskeletal Health, School of Public Health, The University of Sydney, Sydney, Australia
| | - Guido Veronese
- Department of Human Sciences & Education, University of Milano-Bicocca, Milan, Italy
| | - Peter Dambach
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
| | - Thomas Jaenisch
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
- Section Clinical Tropical Medicine, Heidelberg University Hospital, Heidelberg, Germany
- Centre for Global Health, Colorado School of Public Health, Aurora, Colorado, United States of America
| | - Olaf Horstick
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
| | - Volker Winkler
- Institute of Global Health, Heidelberg Research to Practice Group, Heidelberg University, Heidelberg, Germany
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Fang S, Chung MC. Testing the pain paradox: a longitudinal study on PTSD from past trauma, alexithymia, mindfulness, and psychological distress. CURRENT PSYCHOLOGY 2021. [DOI: 10.1007/s12144-021-02162-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Maternal psychosocial risk factors and child gestational epigenetic age in a South African birth cohort study. Transl Psychiatry 2021; 11:358. [PMID: 34215722 PMCID: PMC8253754 DOI: 10.1038/s41398-021-01434-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 03/04/2021] [Accepted: 04/20/2021] [Indexed: 01/31/2023] Open
Abstract
Accelerated epigenetic aging relative to chronological age has been found to be associated with higher risk of mortality in adults. However, little is known about whether and how in utero exposures might shape child gestational epigenetic age (EA) at birth. We aimed to explore associations between maternal psychosocial risk factors and deviation in child gestational EA at birth (i.e., greater or lower EA relative to chronological age) in a South African birth cohort study-the Drakenstein Child Health Study. Maternal psychosocial risk factors included trauma/stressor exposure; posttraumatic stress disorder (PTSD); depression; psychological distress; and alcohol/tobacco use. Child gestational EA at birth was calculated using an epigenetic clock previously devised for neonates; and gestational EA deviation was calculated as the residuals of the linear model between EA and chronological gestational age. Bivariate linear regression was then used to explore unadjusted associations between maternal/child risk factors and child gestational EA residuals at birth. Thereafter, a multivariable regression method was used to determine adjusted associations. Data from 271 maternal-child dyads were included in the current analysis. In the multivariable regression model, maternal PTSD was significantly and negatively associated with child gestational EA residuals at birth (β = -1.95; p = 0.018), controlling for study site, sex of the child, head circumference at birth, birthweight, mode of delivery, maternal estimated household income, body mass index (BMI) at enrolment, HIV status, anaemia, psychological distress, and prenatal tobacco or alcohol use. Given the novelty of this preliminary finding, and its potential translational relevance, further studies to delineate underlying biological pathways and to explore clinical implications of EA deviation are warranted.
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40
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Szuster E, Kostrzewska P, Pawlikowska A, Mandera A, Biernikiewicz M, Kałka D. Mental and Sexual Health of Polish Women of Reproductive Age During the COVID-19 Pandemic - An Online Survey. Sex Med 2021; 9:100367. [PMID: 34146832 PMCID: PMC8360924 DOI: 10.1016/j.esxm.2021.100367] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/20/2021] [Accepted: 03/29/2021] [Indexed: 01/22/2023] Open
Abstract
Introduction The COVID-19 pandemic can cause emotional distress, which can in turn lead to the development of mental and physical symptoms. Aim We examined the association of the COVID-19 outbreak and the mental, physical and sexual health of the female Polish population. Methods Data were collected in an online survey distributed on social media from April 22, 2020 through to May 7, 2020. The data collection began one month after the start of lockdown in Poland. Main Outcome Measure Women were asked to complete the Beck Depression Inventory (BDI) and the Female Sexual Function Index (FSFI) questionnaires. Results Overall, 1644 women (median age 23 years) took part in the survey. They reported a lower frequency of sexual activity (P < .001) and a lower libido level (P < .001) during the pandemic then before it. 57.5% of the study group (n = 944) strongly agreed or agreed that fear of the health condition of loved ones was a source of stress and depressed mood. The average BDI-II total score was 11 (range 0-51; IQR 5-18), which corresponds to minimal depression. The average FSFI total score was 27.01 ± 7.61 (range 2-36). The FSFI and BDI scores were significantly correlated (P < .001). The FSFI score was significantly correlated with the presence of any comorbid chronic disease, the intensity of the fear of infection and fear of health conditions, perceived loneliness, and the being up to date with media news. The BDI score was significantly correlated with age, the intensity of the fear of infection and fear of health conditions, perceived loneliness, being up to date with media news, and the more frequent use of stimulants. Conclusions The COVID-19 lockdown setting was associated with a high occurrence of depressive symptoms and increased risk of sexual dysfunction with decreased libido and lower sexual frequency the most commonly reported issues. Szuster E, Kostrzewska P, Pawlikowska A, et al. Mental and Sexual Health of Polish Women of Reproductive Age During the COVID-19 Pandemic – An Online Survey. Sex Med 2021;9:100367.
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Affiliation(s)
- Ewa Szuster
- Cardiosexology Students Club, Wrocław Medical University, Wrocław, Poland
| | | | - Anna Pawlikowska
- Cardiosexology Students Club, Wrocław Medical University, Wrocław, Poland
| | - Amanda Mandera
- Cardiosexology Students Club, Wrocław Medical University, Wrocław, Poland
| | | | - Dariusz Kałka
- Cardiosexology Unit, Department of Pathophysiology, Wrocław Medical University, Wrocław, Poland; Men's Health Centre in Wrocław, Wrocław, Poland
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Rehman Y, Saini A, Huang S, Sood E, Gill R, Yanikomeroglu S. Cannabis in the management of PTSD: a systematic review. AIMS Neurosci 2021; 8:414-434. [PMID: 34183989 PMCID: PMC8222769 DOI: 10.3934/neuroscience.2021022] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/08/2021] [Indexed: 12/03/2022] Open
Abstract
Introduction Existing reviews exploring cannabis effectiveness have numerous limitations including narrow search strategies. We systematically explored cannabis effects on PTSD symptoms, quality of life (QOL), and return to work (RTW). We also investigated harm outcomes such as adverse effects and dropouts due to adverse effects, inefficacy, and all-cause dropout rates. Methods Our search in MEDLINE, EMBASE, PsycInfo, CINAHL, Web of Science, CENTRAL, and PubMed databases, yielded 1 eligible RCT and 10 observational studies (n = 4672). Risk of bias (RoB) was assessed with the Cochrane risk of bias tool and ROBINS-I. Results Evidence from the included studies was mainly based on non-randomized studies with no comparators. Results from unpooled, high RoB studies showed that cannabis was associated with a reduction in overall PTSD symptoms and improved QOL. Dry mouth, headaches, and psychoactive effects such as agitation and euphoria were the commonly reported adverse effects. In most studies, cannabis was well tolerated, but small proportions of patients experienced a worsening of PTSD symptoms. Conclusion Evidence in the current study primarily stems from low quality and high RoB observational studies. Further RCTs investigating cannabis effects on PTSD treatment should be conducted with larger sample sizes and explore a broader range of patient-important outcomes.
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Affiliation(s)
- Yasir Rehman
- Health Research Methodology, McMaster University, Hamilton, Ontario, Canada.,Michael DeGroote Institute of Pain and Research Center, McMaster University, Hamilton, Ontario, Canada.,Canadian Academy of Osteopathy, Hamilton, Ontario, Canada
| | - Amreen Saini
- Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Sarina Huang
- Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Emma Sood
- Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Ravneet Gill
- Faculty of Science, McMaster University, Hamilton, Ontario, Canada
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Ford JD, Courtois CA. Complex PTSD and borderline personality disorder. Borderline Personal Disord Emot Dysregul 2021; 8:16. [PMID: 33958001 PMCID: PMC8103648 DOI: 10.1186/s40479-021-00155-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 04/09/2021] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND This article builds on a previous review (Ford and Courtois, Borderline Personal Disord Emot Dysregul 1:9, 2014) which concluded that complex posttraumatic stress disorder (cPTSD) could not be conceptualized as a sub-type of either PTSD or BPD. Recent research is reviewed that extends and clarifies the still nascent understanding of the relationship between cPTSD and BPD. MAIN BODY The circumscribed formulation of adult cPTSD that has been developed, validated, and included in the 11th Edition of the International Classification of Diseases has spurred research aimed at differentiating cPTSD and BPD both descriptively and empirically. A newly validated Developmental Trauma Disorder (DTD) syndrome for children and adolescents provides a basis for systematic research on the developmental course and origins of adult cPTSD and BPD. This review summarizes recent empirical findings regarding BPD, PTSD, and cPTSD in terms of: (1) prevalence and comorbidity; (2) clinical phenomenology; (3) traumatic antecedents; (4) psychobiology; (5) emotion dysregulation; (6) dissociation; and (7) empirically supported approaches to clinical assessment and psychotherapeutic treatment. CONCLUSION The evidence suggests that PTSD, cPTSD, and BPD are potentially comorbid but distinct syndromes. A hypothesis is advanced to stimulate scientific research and clinical innovation defining and differentiating the disorders, positing that they may represent a continuum paralleling the classic conceptualization of the stress response, with dissociation potentially involved in each disorder.
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Affiliation(s)
- Julian D Ford
- University of Connecticut Health Center MC1410, 263 Farmington Avenue, Farmington, CT, 06030-1410, USA.
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Affiliation(s)
- John Tully
- Faculty of Medicine and Health Sciences, University of Nottingham
| | - Dinesh Bhugra
- Institute of Psychiatry, Psychology and Neuroscience, King's College, London
| | - Stephanie J Lewis
- Institute of Psychiatry, Psychology and Neuroscience, King's College, London
- South London and Maudsley NHS Foundation Trust
| | | | - Sarah Markham
- Institute of Psychiatry, Psychology and Neuroscience, King's College, London
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[The relationship between trauma, consequences of trauma and personality structure: A mediation analysis]. ZEITSCHRIFT FUR PSYCHOSOMATISCHE MEDIZIN UND PSYCHOTHERAPIE 2021; 67:114-131. [PMID: 33653233 DOI: 10.13109/zptm.2021.67.oa3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The relationship between trauma, consequences of trauma and personality structure: A mediation analysis Background: This study deals with the hitherto scarcely explored relationship between the extent of traumatization, psychopathological consequences and personality structure. It is examined whether the structural integrity of the personality has a mediating influence on the relationship between trauma and symptoms of post-traumatic stress disorder (PTSD) and mental pain after traumatization. Methods: The investigated community sample consisted of 381 adults (89 % female) who reported at least one lifetime traumatic experience. The path analysis technique was applied to estimate associations between the degree of traumatization, PTSD symptoms, mental pain and the integrity of personality structure. Results: The extent of experienced traumatization is significantly associated with increased impairment of personality structure (β = .40; p < .001), severity of the mental pain (β = .21; p < .001) and PTSD symptoms (β = .14; p < .01). Deficits in the personality structure were associated with increased mental pain (β = .67; p < .001) and PTSD symptoms (β = .73; p < .001). The mediation analysis showed an indirect effect of traumatization on mental pain (β = .27; p < .001) and PTSD symptoms (β = .29; p < .001), which is partially mediated by personality structure level. A detailed analysis showed that this mediation relationship can be attributed in particular to deficits in the ability to observe oneself. Discussion: The results of this study emphasize the significance of personality structure in the development of psychological consequences of traumatization. Regarding therapeutic practice, especially the ability to observe oneself seems to offer an important starting point for the treatment of mental pain and PTSD symptoms.
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Efficacy of Vortioxetine Monotherapy for Posttraumatic Stress Disorder: A Randomized, Placebo-Controlled Trial. J Clin Psychopharmacol 2021; 41:172-179. [PMID: 33587394 DOI: 10.1097/jcp.0000000000001363] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
PURPOSE/BACKGROUND There are few efficacious pharmacological treatments for posttraumatic stress disorder (PTSD) and many patients fail to benefit from existing treatments. Vortioxetine, a recently developed antidepressant, acts as a serotonin modulator through inhibition of the serotonin transporter and actions at multiple types of serotonin receptors. Its unique pharmacodynamic profile suggests it may have efficacy for the treatment of PTSD. METHODS/PROCEDURES We conducted a 12-week placebo-controlled, randomized clinical trial of vortioxetine (flexibly dosed from 10 to 20 mg/d) versus placebo in adults with PTSD. The primary outcome was change from baseline in the past-month version of the Clinician-Administered PTSD Scale for DSM-5 (CAPS-5), analyzed using a mixed-model repeated-measures analysis of variance. FINDINGS/RESULTS Forty-one patients were randomized, and 32 (78%) completed the 12 weeks of treatment. The mean reduction in CAPS-5 scores at week 12 did not significantly differ between the 2 arms; the effect size for the difference in changes between vortioxetine and placebo on CAPS-5 total scores at week 12 was Cohen d = 0.29. However, at week 8, the drug-placebo difference was d = 0.78, which met the multivariate criteria for statistical significance, P = 0.014. IMPLICATIONS/CONCLUSIONS In this study of 41 patients, vortioxetine did not demonstrate superiority over placebo for adults with PTSD. Future PTSD trials may benefit from stratifying the randomization based on number of years since the index traumatic event and a history of failure to respond to treatment.
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46
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Asmundson GJG, Taylor S. Garbage in, garbage out: The tenuous state of research on PTSD in the context of the COVID-19 pandemic and infodemic. J Anxiety Disord 2021; 78:102368. [PMID: 33582405 PMCID: PMC9759101 DOI: 10.1016/j.janxdis.2021.102368] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | - Steven Taylor
- Department of Psychology, University of British Columbia, British Columbia, Canada.
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47
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First MB, Gaebel W, Maj M, Stein DJ, Kogan CS, Saunders JB, Poznyak VB, Gureje O, Lewis-Fernández R, Maercker A, Brewin CR, Cloitre M, Claudino A, Pike KM, Baird G, Skuse D, Krueger RB, Briken P, Burke JD, Lochman JE, Evans SC, Woods DW, Reed GM. An organization- and category-level comparison of diagnostic requirements for mental disorders in ICD-11 and DSM-5. World Psychiatry 2021; 20:34-51. [PMID: 33432742 PMCID: PMC7801846 DOI: 10.1002/wps.20825] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In 2013, the American Psychiatric Association (APA) published the 5th edition of its Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In 2019, the World Health Assembly approved the 11th revision of the International Classification of Diseases (ICD-11). It has often been suggested that the field would benefit from a single, unified classification of mental disorders, although the priorities and constituencies of the two sponsoring organizations are quite different. During the development of the ICD-11 and DSM-5, the World Health Organization (WHO) and the APA made efforts toward harmonizing the two systems, including the appointment of an ICD-DSM Harmonization Group. This paper evaluates the success of these harmonization efforts and provides a guide for practitioners, researchers and policy makers describing the differences between the two systems at both the organizational and the disorder level. The organization of the two classifications of mental disorders is substantially similar. There are nineteen ICD-11 disorder categories that do not appear in DSM-5, and seven DSM-5 disorder categories that do not appear in the ICD-11. We compared the Essential Features section of the ICD-11 Clinical Descriptions and Diagnostic Guidelines (CDDG) with the DSM-5 criteria sets for 103 diagnostic entities that appear in both systems. We rated 20 disorders (19.4%) as having major differences, 42 disorders (40.8%) as having minor definitional differences, 10 disorders (9.7%) as having minor differences due to greater degree of specification in DSM-5, and 31 disorders (30.1%) as essentially identical. Detailed descriptions of the major differences and some of the most important minor differences, with their rationale and related evidence, are provided. The ICD and DSM are now closer than at any time since the ICD-8 and DSM-II. Differences are largely based on the differing priorities and uses of the two diagnostic systems and on differing interpretations of the evidence. Substantively divergent approaches allow for empirical comparisons of validity and utility and can contribute to advances in the field.
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Affiliation(s)
- Michael B First
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Wolfgang Gaebel
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Mario Maj
- Department of Psychiatry, University of Campania "L. Vanvitelli", Naples, Italy
| | - Dan J Stein
- Department of Psychiatry, University of Cape Town and South African Medical Research Council Unit on Risk and Resilience in Mental Disorders, Cape Town, South Africa
| | - Cary S Kogan
- School of Psychology, University of Ottawa, Ottawa, ON, Canada
| | - John B Saunders
- Centre for Youth Substance Abuse Research, University of Queensland, Brisbane, QLD, Australia
| | - Vladimir B Poznyak
- Department of Mental Health and Substance Use, World Health Organization, Geneva, Switzerland
| | - Oye Gureje
- Department of Psychiatry, University of Ibadan, Ibadan, Nigeria
| | - Roberto Lewis-Fernández
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Andreas Maercker
- Department of Psychology, University of Zurich, Zurich, Switzerland
| | - Chris R Brewin
- Research Department of Clinical, Educational and Health Psychology, University College London, London, UK
| | - Marylene Cloitre
- National Center for PTSD Dissemination and Training Division, VA Palo Alto Health Care System, Palo Alto, CA, USA
- Department of Psychiatry and Behavioural Sciences, Stanford University, Stanford, CA, USA
| | - Angelica Claudino
- Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Kathleen M Pike
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Gillian Baird
- Newcomen Centre, Evelina Children's Hospital, Guys & St. Thomas NHS Foundation Trust, London, UK
| | - David Skuse
- Brain and Behaviour Science Unit, Institute of Child Health, University College London, London, UK
| | - Richard B Krueger
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Peer Briken
- Institute for Sex Research, Sexual Medicine and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jeffrey D Burke
- Department of Psychological Sciences, University of Connecticut, Storrs, CT, USA
| | - John E Lochman
- Department of Psychology, University of Alabama, Tuscaloosa, AL, USA
| | | | - Douglas W Woods
- Offiice of the Provost and Department of Psychology, Marquette University, Milwaukee, WI, USA
| | - Geoffrey M Reed
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Department of Mental Health and Substance Use, World Health Organization, Geneva, Switzerland
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Dreßing H, Foerster K. Traumafolgestörungen in ICD-10, ICD-11 und DSM-5. FORENSISCHE PSYCHIATRIE PSYCHOLOGIE KRIMINOLOGIE 2021. [DOI: 10.1007/s11757-020-00645-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chen R, Sun C, Chen JJ, Jen HJ, Kang XL, Kao CC, Chou KR. A Large-Scale Survey on Trauma, Burnout, and Posttraumatic Growth among Nurses during the COVID-19 Pandemic. Int J Ment Health Nurs 2021; 30:102-116. [PMID: 33107677 PMCID: PMC7894338 DOI: 10.1111/inm.12796] [Citation(s) in RCA: 283] [Impact Index Per Article: 94.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 11/27/2022]
Abstract
A large-scale survey study was conducted to assess trauma, burnout, posttraumatic growth, and associated factors for nurses in the COVID-19 pandemic. The Trauma Screening Questionnaire, Maslach Burnout Inventory, and Posttraumatic Growth Inventory-Short Form were utilized. Factors associated with trauma, burnout, and posttraumatic growth were analysed using logistic and multiple regressions. In total, 12 596 completed the survey, and 52.3% worked in COVID-19 designated hospitals. At the survey's conclusion in April, 13.3% reported trauma (Trauma ≥ 6), there were moderate degrees of emotional exhaustion, and 4,949 (39.3%) experienced posttraumatic growth. Traumatic response and emotional exhaustion were greater among (i) women (odds ratio [OR]: 1.48, 95% CI 1.12-1.97 P = 0.006; emotional exhaustion OR: 1.30, 95% CI 1.09-1.54, P = 0.003), (ii) critical care units (OR: 1.20, 95% CI 1.06-1.35, P = 0.004; emotional exhaustion OR: 1.23, 95% CI 1.12-1.33, P < 0.001) (iii) COVID-19 designated hospital (OR: 1.24, 95% CI 1.11-1.38; P < 0.001; emotional exhaustion OR: 1.26, 95% CI 1.17-1.36; P < 0.001) and (iv) COVID-19-related departments (OR: 1.16, 95% CI 1.04-1.29, P = 0.006, emotional exhaustion only). To date, this is the first large-scale study to report the rates of trauma and burnout for nurses during the COVID-19 pandemic. The study indicates that nurses who identified as women, working in ICUs, COVID-19 designated hospitals, and departments involved with treating COVID-19 patients had higher scores in mental health outcomes. Future research can focus on the factors the study has identified that could lead to more effective prevention and treatment strategies for adverse health outcomes and better use of resources to promote positive outcomes.
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Affiliation(s)
- Ruey Chen
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan.,School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Chao Sun
- Department of Nursing, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing, China
| | - Jian-Jun Chen
- Nursing Department, Peking University First Hospital, Beijing, China.,Nursing Branch of Association of Medical Exchanges across the Taiwan Straits, Beijing, China.,Pediatrics Committee of Chinese Nursing Association, Beijing, China
| | - Hsiu-Ju Jen
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan.,School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Xiao Linda Kang
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan.,School of Nursing, University of Pennsylvania, Pennsylvania, Philadelphia, USA
| | - Ching-Chiu Kao
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan.,Department of Nursing, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Kuei-Ru Chou
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan.,School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan.,Center for Nursing and Healthcare Research in Clinical Practice Application, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Psychiatric Research Center, Taipei Medical University Hospital, Taipei, Taiwan
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50
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Wu S, Renzaho AMN, Hall BJ, Shi L, Ling L, Chen W. Time-varying associations of pre-migration and post-migration stressors in refugees' mental health during resettlement: a longitudinal study in Australia. Lancet Psychiatry 2021; 8:36-47. [PMID: 33156999 DOI: 10.1016/s2215-0366(20)30422-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Understanding the time-varying association of pre-migration and post-migration stressors in refugees' mental health could help in designing tailored health promotion services at different resettlement stages and improving the efficiency of resource allocation. In this study, we explored these time-varying associations. METHODS We used data from the first four waves (October, 2013, to February, 2017) of a national refugee-based longitudinal study, the Building a New Life in Australia (BNLA) project. Post-traumatic stress disorder (PTSD) and high risk of severe mental illness (HR-SMI) were used to assess mental health. The independent variables included the number of potentially traumatic events experienced during the pre-migration process, and a range of post-migration stressors. We used logistic regression models to analyse the relative importance of variables and time-varying associations between the pre-migration potentially traumatic events, post-migration resettlement stressors, and refugees' mental health. Analyses were stratified by gender, and sociodemographic covariates included age, marital status, education level, country of birth, and weekly income. RESULTS 2399 participants were surveyed in Wave 1 of the BNLA project in 2013-14, of whom 2009 (83·7%) responded in Wave 2 in 2014-15, 1894 (78·9%) in Wave 3 in 2015-16, and 1929 (80·4%) in Wave 4 in 2016-17. The three most important factors associated with mental health in each wave differed for male and female refugees, but the socioeconomic stressors of loneliness and adjustment to life in Australia were consistently prominent. Positive associations between socioeconomic stressors and mental ill-health were found for both genders, with a peak at Wave 2 (adjusted odds ratio [AOR] among men, 1·60 [95% CI 1·26-2·03], p=0.0001 for PTSD; AOR 1·86 [1·35-2·55], p=0·0001 for HR-SMI; and among women, AOR 1·81 [1·27-2·57], p=0·0009 for PTSD; AOR 2·24 [1·49-3·38], p=0·0001 for HR-SMI). Associations between loneliness and mental health fluctuated, but were significant for both genders in Wave 4 (among men, AOR 1·90 [1·21-2·99], p=0·0051 for PTSD; AOR 3·70 [2·18-6·27], p<0·0001 for HR-SMI; and among women, AOR 3·65 [2·08-6·39], p<0·0001 for PTSD; AOR 3·68 [2·02-6·69], p<0·0001 for HR-SMI). The association between difficulties in adjustment to life in Australia and male refugees' mental ill-health increased continuously during the resettlement period. INTERPRETATION Gender-specific and time-sensitive services should be considered to improve refugees' mental health. For both genders, improved economic conditions that complement social security benefits deserve attention and are relevant throughout the resettlement process. At the later stage of resettlement, services to reduce loneliness could be carried out, and reducing stressors related to adjustment to life in the host country is especially needed for male refugees. FUNDING None.
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Affiliation(s)
- Shuxian Wu
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China; Sun Yat-sen Centre for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China; Zhejiang Provincial Centre for Disease Control and Prevention, Hangzhou, China
| | - Andre M N Renzaho
- School of Social Sciences, Translational Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Brian J Hall
- Sun Yat-sen Centre for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China; New York University (Shanghai), Shanghai, China; Department of Health, Behaviour and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Lishuo Shi
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China; Sun Yat-sen Centre for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China
| | - Li Ling
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China; Sun Yat-sen Centre for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China
| | - Wen Chen
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China; Sun Yat-sen Centre for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China; School of Social Sciences, Translational Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
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