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Comorbid Depression and Suicide Ideation in Patients with Combat-Related PTSD: The Role of Temperament, Character, and Trait Impulsivity.
Psychiatr Danub. 2017 Mar; 29(1):51-59.PD

Abstract

BACKGROUND

War veterans with PTSD have a high chance of developing major depressive disorder (MDD) at some point, while they can also exhibit increased suicidal tendencies. The primary goal of this research was to investigate whether personality dimensions, including temperament, character, and trait impulsivity, were associated with comorbid MDD, as well as with suicidal ideation in psychiatric patients suffering from combat-related PTSD.

SUBJECTS AND METHODS

The sample consisted of 148 Croatian male war veterans (mean age 49.53 years) treated for PTSD at the National Center for Psychotrauma, Department of Psychiatry, University Hospital Center Zagreb. Fifty-one (34%) of them met ICD-10 diagnostic criteria for current or lifetime MDD, while 97 (66%) were diagnosed with PTSD alone. All the participants were assessed with the M.I.N.I. diagnostic interview and they completed the following battery of self-report instruments: the Beck Depression Inventory-Second Edition (BDI-II), the Suicidal Behaviors Questionnaire-Revised (SBQ-R), the Temperament and Character Inventory-Revised (TCI-R), and the Barratt Impulsiveness Scale-11 (BIS-11).

RESULTS

Comparisons between the two clinical groups showed that PTSD+MDD patients were more suicidal and differed with regard to temperament dimensions Harm Avoidance, Reward Dependence and Persistence, character dimension Self-Directedness, and trait impulsivity. In three multivariate regression analyses, it was revealed that character dimension Cooperativeness as well as trait impulsivity were unique predictors of suicidal ideation, while controlling for the influence of sociodemographics, length of treatment and comorbid depression.

CONCLUSIONS

Combat-related PTSD patients with comorbid depression exhibit increased suicide thoughts and different personality profiles in comparison with those suffering from PTSD alone. Character dimension Cooperativeness and trait impulsivity seem to be uniquely predictive of suicide ideation in this population. Elucidation of individual psychological factors that increase the risk of MDD and suicidal tendencies in war veterans with PTSD may facilitate more effective prevention and treatment methods.

Authors+Show Affiliations

National Center for Psychotrauma, Department of Psychiatry, University Hospital Center Zagreb, Kispatićeva 12, 10 000 Zagreb, Croatia, nenad_jaksic@yahoo.com.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28291974

Citation

Jakšić, Nenad, et al. "Comorbid Depression and Suicide Ideation in Patients With Combat-Related PTSD: the Role of Temperament, Character, and Trait Impulsivity." Psychiatria Danubina, vol. 29, no. 1, 2017, pp. 51-59.
Jakšić N, Margetić BA, Marčinko D. Comorbid Depression and Suicide Ideation in Patients with Combat-Related PTSD: The Role of Temperament, Character, and Trait Impulsivity. Psychiatr Danub. 2017;29(1):51-59.
Jakšić, N., Margetić, B. A., & Marčinko, D. (2017). Comorbid Depression and Suicide Ideation in Patients with Combat-Related PTSD: The Role of Temperament, Character, and Trait Impulsivity. Psychiatria Danubina, 29(1), 51-59.
Jakšić N, Margetić BA, Marčinko D. Comorbid Depression and Suicide Ideation in Patients With Combat-Related PTSD: the Role of Temperament, Character, and Trait Impulsivity. Psychiatr Danub. 2017;29(1):51-59. PubMed PMID: 28291974.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comorbid Depression and Suicide Ideation in Patients with Combat-Related PTSD: The Role of Temperament, Character, and Trait Impulsivity. AU - Jakšić,Nenad, AU - Margetić,Branka Aukst, AU - Marčinko,Darko, PY - 2017/3/15/entrez PY - 2017/3/16/pubmed PY - 2017/9/15/medline SP - 51 EP - 59 JF - Psychiatria Danubina JO - Psychiatr Danub VL - 29 IS - 1 N2 - BACKGROUND: War veterans with PTSD have a high chance of developing major depressive disorder (MDD) at some point, while they can also exhibit increased suicidal tendencies. The primary goal of this research was to investigate whether personality dimensions, including temperament, character, and trait impulsivity, were associated with comorbid MDD, as well as with suicidal ideation in psychiatric patients suffering from combat-related PTSD. SUBJECTS AND METHODS: The sample consisted of 148 Croatian male war veterans (mean age 49.53 years) treated for PTSD at the National Center for Psychotrauma, Department of Psychiatry, University Hospital Center Zagreb. Fifty-one (34%) of them met ICD-10 diagnostic criteria for current or lifetime MDD, while 97 (66%) were diagnosed with PTSD alone. All the participants were assessed with the M.I.N.I. diagnostic interview and they completed the following battery of self-report instruments: the Beck Depression Inventory-Second Edition (BDI-II), the Suicidal Behaviors Questionnaire-Revised (SBQ-R), the Temperament and Character Inventory-Revised (TCI-R), and the Barratt Impulsiveness Scale-11 (BIS-11). RESULTS: Comparisons between the two clinical groups showed that PTSD+MDD patients were more suicidal and differed with regard to temperament dimensions Harm Avoidance, Reward Dependence and Persistence, character dimension Self-Directedness, and trait impulsivity. In three multivariate regression analyses, it was revealed that character dimension Cooperativeness as well as trait impulsivity were unique predictors of suicidal ideation, while controlling for the influence of sociodemographics, length of treatment and comorbid depression. CONCLUSIONS: Combat-related PTSD patients with comorbid depression exhibit increased suicide thoughts and different personality profiles in comparison with those suffering from PTSD alone. Character dimension Cooperativeness and trait impulsivity seem to be uniquely predictive of suicide ideation in this population. Elucidation of individual psychological factors that increase the risk of MDD and suicidal tendencies in war veterans with PTSD may facilitate more effective prevention and treatment methods. SN - 0353-5053 UR - https://www.unboundmedicine.com/medline/citation/28291974/Comorbid_Depression_and_Suicide_Ideation_in_Patients_with_Combat_Related_PTSD:_The_Role_of_Temperament_Character_and_Trait_Impulsivity_ L2 - http://www.psychiatria-danubina.com/UserDocsImages/pdf/dnb_vol29_no1/dnb_vol29_no1_51.pdf DB - PRIME DP - Unbound Medicine ER -