Problems in Applying Diagnostic Concepts of PTSD and Trauma in the Middle East .
نویسندگان
چکیده
This study used resting-state functional magnetic resonance imaging (fMRI) to investigate whether functional connectivity is altered in people developing post-traumatic stress disorder (PTSD) following recent trauma. Sixty-two participants experienced recent acute traumatic events underwent a 7.3 minute resting fMRI scan within 2 days post-accident. Of these, 22 participants were diagnosed with PTSD within 1 to 6 months. Nineteen ageand sex-matched subjects without PTSD were selected as the trauma-exposed control group. Posterior cingulate cortex connectivity was determined from 17 PTSD patients and 15 control subjects by investigating synchronic low-frequency fMRI signal fluctuations using a temporal correlation method. To assess the relationship between PTSD symptom severity and PCC connectivity, the contrast image representing areas correlated with the PCC was correlated with the 17 PTSD subjects' Clinician Administered PTSD Scale (CAPS) scores at diagnosis. Compared with the control group, PTSD patients exhibited decreased functional connectivity in the right lingual and right middle temporal gyri, and left lingual/posterior cingulate cortex. The left inferior temporal gyrus, right middle temporal gyrus, left middle temporal gyrus/insula, left medial frontal lobe/anterior cingulate cortex, and right medial frontal gyrus also showed increased connectivity within 2 days post-accident. A negative correlation was found between PCC connectivity and CAPS scores in the left medial prefrontal cortex (mPFC). These results suggest that patients who develop PTSD exhibit different resting-state patterns of neuronal activity following recent trauma. Abnormal FC of mPFC may be a major risk factor predisposing patients to the development of PTSD. Copyright © 2012 Elsevier B.V. All rights reserved. ----http://www.ncbi.nlm.nih.gov/pubmed/23009368?dopt=Abstract Anxiety Stress Coping. 2012 Sep 26. [Epub ahead of print] Perceptions of stigma and barriers to care among UK military personnel deployed to Afghanistan and Iraq. Osório C, Jones N, Fertout M, Greenberg N. Source: Academic Centre for Defence Mental Health, Academic Department of Psychological Medicine , Institute of Psychiatry , London , UK. Abstract Abstract Perceived stigma and organizational barriers to care (stigma/BTC) can influence the decision to seek help for military personnel when they are suffering from mental health problems. We examined the relationship between stigmatizing beliefs, perceived BTC, and probable post-traumatic stress disorder (PTSD) in 23,101 UK military personnel deployed to Afghanistan and Iraq both during and after deployment; and in a smaller group some six months later. Overall, our results suggest that stigma/BTC perceptions were significantly, and substantially higher during deployment than when personnel are returning home; however, within the smaller follow-up group, the rates climbed significantly over the first six-months post-deployment although they still remained lower than during-deployment levels. Male personnel, those who reported higher levels of PTSD symptoms and/or greater combat exposure were significantly more likely to endorse more stigma/BTC at both sampling points. Rates of stigma/BTC on deployment are substantially higher than rates measured when personnel are in less threatening environments. We suggest that the considerable efforts that military forces make to encourage effective help seeking should take account of the fluctuating levels of stigma/BTC. Commanders should be aware that encouraging help seeking may be more difficult in operational environments than when personnel have returned home. ----http://www.ncbi.nlm.nih.gov/pubmed/22396046?dopt=AbstractAbstract Perceived stigma and organizational barriers to care (stigma/BTC) can influence the decision to seek help for military personnel when they are suffering from mental health problems. We examined the relationship between stigmatizing beliefs, perceived BTC, and probable post-traumatic stress disorder (PTSD) in 23,101 UK military personnel deployed to Afghanistan and Iraq both during and after deployment; and in a smaller group some six months later. Overall, our results suggest that stigma/BTC perceptions were significantly, and substantially higher during deployment than when personnel are returning home; however, within the smaller follow-up group, the rates climbed significantly over the first six-months post-deployment although they still remained lower than during-deployment levels. Male personnel, those who reported higher levels of PTSD symptoms and/or greater combat exposure were significantly more likely to endorse more stigma/BTC at both sampling points. Rates of stigma/BTC on deployment are substantially higher than rates measured when personnel are in less threatening environments. We suggest that the considerable efforts that military forces make to encourage effective help seeking should take account of the fluctuating levels of stigma/BTC. Commanders should be aware that encouraging help seeking may be more difficult in operational environments than when personnel have returned home. ----http://www.ncbi.nlm.nih.gov/pubmed/22396046?dopt=Abstract J Behav Health Serv Res. 2012 Jul;39(3):220-33. Utilization and intensity of outpatient care related to military sexual trauma for veterans from Afghanistan and Iraq. Turchik JA, Pavao J, Hyun J, Mark H, Kimerling R. Source: Department of Psychiatry and Behavioral Sciences, Stanford University Medical School, Stanford, CA, USA. [email protected] Abstract Little research has examined factors associated with the utilization of outpatient health care services related to sexual assault experiences. The Veterans Health Administration provides free outpatient treatment services to veterans who report military sexual trauma (MST); this system provides a unique opportunity to examine factors related to the utilization of mental health and non-mental health outpatient services by patients with sexual trauma. The current study examined sociodemographic, military service factors, and primary diagnoses related to utilization and utilization intensity of MSTrelated care among 4,458 Operation Enduring Freedom/Operation Iraqi Freedom Veterans in a 1-year period after reporting an experience of MST. Of the veterans who reported MST, 75.9% received MSTrelated care. The most notable factor that influenced receipt and intensity of MST-related care was gender, where male veterans used less care than female veterans. These results have important treatment implications for both veteran and civilian sexual trauma survivors.
منابع مشابه
Problems in Applying Diagnostic Concepts of PTSD and Trauma in the Middle East
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