Aggressive personality characteristics and it’s determinant factors in patients with traumatic brain injury

AUTHORS

Sajjad Rezaei 1 , * , Iraj Salehi 2 , Shahrokh Yousefzadeh 3 , Heshmat allah Moosavi 4 , Naghi Rahnama 5

1 Dept. of Psychology, University of Isfahan, Isfahan, Iran

2 Dept. of Psychology, University of Guilan, Rasht, Iran

3 Dept. of Neurosurgery, Trauma Research Center, Guilan University of Medical Sciences, Rasht, Iran

4 Dept. of Psychiatrist, Guilan University of Medical Sciences, Rasht, Iran

5 Dept. of Psychology, National Academy of Sciences of Armenia, Iran

How to Cite: Rezaei S, Salehi I, Yousefzadeh S, Moosavi H A, Rahnama N. Aggressive personality characteristics and it’s determinant factors in patients with traumatic brain injury, J Kermanshah Univ Med Sci. 2012 ; 16(1):e78882.

ARTICLE INFORMATION

Journal of Kermanshah University of Medical Sciences: 16 (1); e78882
Published Online: May 29, 2012
Article Type: Research Article
Received: May 16, 2011
Accepted: September 27, 2011

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Abstract

Background: Aggressive personality changes are one of the most prevalent neuropsychiatric disorders after traumatic brain injury (TBI). It may lead to serious impairments in social relations and affect rehabilitation process. Present research was performed to identify the determinant factors of personality change of aggressive characteristics after TBI.

Methods: 238 TBI patients (195 men and 43 women) were entered in a descriptive-longitudinal design study using nonprobability and consecutive sampling method. All subjects underwent neurosurgical examinations and psychological evaluations. After four months of follow-up, 65.1% (n=155) of patients referred to a psychiatrist to determine the personality change of aggressive type due to TBI using a structured clinical interview based on DSM-IV-TR diagnostic criteria.

Results: 61 patients (55 men & 6 women) with mean age of 34.0±15.9 years showed personality change of aggressive type during four-month follow-up. Results of logistic regression analysis for calculating the model odds ratio (OR) with 95% confidence intervals (CI) indicated that the falling level of compatibility (OR‏=‏‎1.03), subcranial injury (OR‏=‏‎0.45) and incidence of depressive disorders after TBI (OR‏=‏3.18) could independently predict the incidence of personality change of aggressive type in these patients.

Conclusion: The factors such as level of general compatibility, subcranial injury and incidence of depressive disorders after TBI are major determinants of personality change of aggressive characteristics. Regarding these factors, preventive and therapeutic interventions may reduce and modify the severity of this disruptive behavior.

Keywords

traumatic brain injury personality change aggression

© 2012, Journal of Kermanshah University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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