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Encephale. 2011 Dec;37(6):433-8. doi: 10.1016/j.encep.2010.12.001. Epub 2011 Feb 2.

[Psychosis and trauma. Theorical links between post-traumatic and psychotic symptoms].

[Article in French]

Author information

  • 1Service de psychiatrie et de psychologie clinique, hôpital d'instruction des armées Legouest, Metz, France. yann.auxemery@hotmail.fr

Abstract

INTRODUCTION:

The co-occurrence between post-traumatic symptoms and psychotic symptoms is well described in the immediate suites of a trauma but can also be chronic. This symptomatic co-occurrence, rarely studied in the literature, is often approached under the sole angle of a primary post-traumatic stress disorder (PTSD) or of a primary psychosis, without federative will to unify the psychotic and post-traumatic symptoms within the same nosological framework. Individuals with schizophrenia or schizoaffective disorder report higher rates of trauma and assault than the general population.

LITERATURE FINDINGS:

High rates of PTSD have been noted in severe mental illness cohorts. Psychotic phenomena may be a relatively common manifestation in patients with chronic PTSD.

AIM:

The purpose of this paper is to expose the various theorical psychopathological aspects between the symptoms of psychosis and PTSD. In populations of veterans, positive and negative symptoms of psychosis in PTSD are described as delusional thoughts and hallucinations often combat-specific.

CLINICAL FINDINGS:

When a PTSD becomes established at a subject to the personality of neurotic structure, the intensity of the PTSD's symptoms lead to a psychotic expression which constitutes a factor of seriousness. Besides, PTSD often induces a risk of substance use disorder supplying psychotic symptoms. Cannabis increases the hallucinations, cocaine strengthens an underlying paranoid tone, and alcohol implies withdrawal hallucinosis. Moreover, such consumption could be a risk factor for the future development of chronic psychosis. From another point of view, by basing themselves on the plasma dopamine beta-hydroxylase activity, some authors made the analogy between psychotic major depression and PTSD with psychotic features (also characterized as a distinct psychotic subtype of PTSD). However, other studies found no correlation between PTSD with psychotic features and family predisposition for schizophrenia or schizoaffective disorder.

DISCUSSION:

The determination of the structure of personality seems fundamental in the understanding of the symptoms. A personality of psychotic structure increases the risk of traumatization and PTSD. At the same time, the fragility of this structure causes an increased sensitivity to the trauma, which takes on a particular echo. Moreover, a trauma can test a latent psychotic structure to reveal its existence. The experience of psychosis may be traumatic in itself for patients with, notably, seclusion and sedation during hospitalization. Lastly, the symptoms of this post-traumatic psychosis will be differentiated from neurological confusion caused by a traumatic brain injury. Clinicians often fail to screen routinely for trauma and PTSD symptoms in patients with severe mental illness because few systematic guidelines exist for the identification and treatment of this comorbidity.

CONCLUSION:

The links between psychotic and psycho-traumatic symptoms are complex and multidirectional; this co-occurrence is a factor of seriousness. The clinician, while paying attention to these symptoms, has to distinguish the structure of the personality of the subject to articulate the psychotherapy and the pharmacological treatment. Further investigational studies may determine whether antipsychotics will enhance treatment response in PTSD patients with psychotic features.

Copyright © 2010 L’Encéphale, Paris. Published by Elsevier Masson SAS. All rights reserved.

PMID:
22137215
[PubMed - indexed for MEDLINE]
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