Please use this identifier to cite or link to this item: http://repositorio.unifesp.br/handle/11600/32336
Title: The impact of tonic immobility reaction on the prognosis of posttraumatic stress disorder
Authors: Lima, Alessandra A.
Fiszman, Adriana
Marques-Portella, Carla
Mendlowicz, Mauro V.
Coutinho, Evandro S. F.
Maia, Deborah C. B.
Berger, William
Rocha-Rego, Vanessa
Volchan, Eliane
Mari, Jair J. [UNIFESP]
Figueira, Ivan
Universidade Federal do Rio de Janeiro (UFRJ)
Universidade Federal Fluminense (UFF)
ENSP
Universidade Federal de São Paulo (UNIFESP)
Keywords: PTSD
Peritraumatic reactions
Tonic immobility
Dissociation
Panic
Prognosis
Drug therapy
Issue Date: 1-Mar-2010
Publisher: Elsevier B.V.
Citation: Journal of Psychiatric Research. Oxford: Pergamon-Elsevier B.V., v. 44, n. 4, p. 224-228, 2010.
Abstract: Tonic immobility is the last defense reaction to entrapment by a predator. in humans, peritraumatic tonic immobility was correlated with PTSD severity and poor response to treatment. This study compared the role of peritraumatic dissociation, panic physical symptoms and tonic immobility as predictors of response to standard pharmacotherapy for PTSD. Thirty-six PTSD patients underwent a naturalistic pharmacological treatment. the Posttraumatic Stress Disorder Checklist - Civilian Version (PCL-C) and the Clinical Global Impressions Severity of Illness item scores (CGI-S) were employed at baseline and endpoint to examine treatment outcome. Peritraumatic reactions were assessed using the Physical Reactions Subscale, the Peritraumatic Dissociative Experiences Questionnaire and four motor questions of the Tonic Immobility Scale. After controlling for confounders, tonic immobility was the best predictor of a poor response to treatment, either considering the PCL-C or the CGI-S scores. Tonic immobility seems to have a greater negative impact on PTSD prognosis than peritraumatic panic or dissociation. Additional translational and clinical research may inform about particular mechanisms underlying tonic immobility and open new avenues for prevention and treatment of PTSD. (C) 2009 Elsevier B.V. All rights reserved.
URI: http://repositorio.unifesp.br/handle/11600/32336
ISSN: 0022-3956
Other Identifiers: http://dx.doi.org/10.1016/j.jpsychires.2009.08.005
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