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Traumatic stress

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https://www.readbyqxmd.com/read/28215023/hpa-axis-activation-as-a-key-moderator-of-childhood-trauma-exposure-and-adolescent-mental-health
#1
Kate R Kuhlman, Elisa G Geiss, Ivan Vargas, Nestor Lopez-Duran
Individual differences in a child's sensitivity to stress may influence whether youth exposed to trauma develop symptoms of psychopathology. We examined the interaction between HPA-axis reactivity to an acute stressor and exposure to different types of childhood trauma as predictors of mental health symptoms in a sample of youth. Youth (n = 121, ages 9-16; 47% female) completed a standardized stress task, including 5 post-stress salivary cortisol samples. Parents also completed the Child Behavior Checklist as a measure of child internalizing and externalizing symptoms in the past month, and completed the Early Trauma Inventory (ETI) as a measure of their child's trauma exposure...
February 18, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28214175/the-traumatic-experience-of-first-episode-psychosis-a-systematic-review-and-meta-analysis
#2
Rebecca Rodrigues, Kelly K Anderson
INTRODUCTION: A psychotic episode may be sufficiently traumatic to induce symptoms of post-traumatic stress disorder (PTSD), which could impact outcomes in first-episode psychosis (FEP). The objectives of this systematic review and meta-analysis were to estimate the prevalence of PTSD symptoms in relation to psychosis in FEP and to identify risk factors for the development of PTSD symptoms. METHODS: We searched electronic databases and conducted manual searching of reference lists and tables of contents to identify relevant studies...
February 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28214073/older-adults-with-ptsd-brief-state-of-research-and-evidence-based-psychotherapy-case-illustration
#3
Joan M Cook, Elissa McCarthy, Steven R Thorp
Although lifetime exposure to potentially traumatic events among older adults is fairly high, rates of full-blown post-traumatic stress disorder (PTSD) are estimated at about 4.5%, a rate lower than that for middle-aged and young adults. Nevertheless, PTSD seems to be an under-recognized and under-treated condition in older adults. Assessment and treatment can be challenging in this population for various reasons, including potential cognitive or sensory decline and comorbid mental and physical disorders. This article provides highlights of the empirical research on PTSD in late life, including information on its effects on cognition and physical health...
January 4, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28211592/a-methodology-for-assessing-deployment-trauma-and-its-consequences-in-oef-oif-ond-veterans-the-tracts-longitudinal-prospective-cohort-study
#4
Regina E McGlinchey, William P Milberg, Jennifer R Fonda, Catherine Brawn Fortier
Many US veterans of Afghanistan and Iraq have multiple physical and psychiatric problems. A major focus of research has been on determining the effects of mild Traumatic Brain Injury (mTBI), but mTBI is rarely diagnosed in the absence of co-occurring conditions such as blast exposure, post-traumatic stress disorder (PTSD), depression, substance abuse, etc. These potentially interactive psychological and physical conditions produce complex patterns of cognitive, psychological, and physical symptoms that impede civilian reintegration and complicate efficient and effective treatment planning...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28210980/molecular-mechanisms-of-ire1%C3%AE-ask1-pathway-reactions-to-unfolded-protein-response-in-drn-neurons-of-post-traumatic-stress-disorder-rats
#5
Fanzhen Kong, Fang Han, Yanhao Xu, Yuxiu Shi
The goal of this study was to further elucidate the molecular mechanisms of post-traumatic stress disorder (PTSD) pathogenesis and to provide experimental evidence for new drug targets for effective PTSD treatment. Expression changes of IRE1α, ASK1, and other downstream molecules of the IRE1α-ASK1 endoplasmic reticulum stress (ERS) signaling pathway were investigated. JNK, P38, CHOP, Bcl-2, and Bax were analyzed at both protein and mRNA levels of dorsal raphe nucleus (DRN) neurons of PTSD rats. The rat PTSD model was established via the single-prolonged stress (SPS) method...
February 16, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28210542/dynamic-association-between-perfusion-and-white-matter-integrity-across-time-since-injury-in-veterans-with-history-of-tbi
#6
Alexandra L Clark, Katherine J Bangen, Scott F Sorg, Dawn M Schiehser, Nicole D Evangelista, Benjamin McKenna, Thomas T Liu, Lisa Delano-Wood
OBJECTIVE: Cerebral blood flow (CBF) plays a critical role in the maintenance of neuronal integrity, and CBF alterations have been linked to deleterious white matter changes. Although both CBF and white matter microstructural alterations have been observed within the context of traumatic brain injury (TBI), the degree to which these pathological changes relate to one another and whether this association is altered by time since injury have not been examined. The current study therefore sought to clarify associations between resting CBF and white matter microstructure post-TBI...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28210211/app-as-a-protective-factor-in-acute-neuronal-insults
#7
REVIEW
Dimitri Hefter, Andreas Draguhn
Despite its key role in the molecular pathology of Alzheimer's disease (AD), the physiological function of amyloid precursor protein (APP) is unknown. Increasing evidence, however, points towards a neuroprotective role of this membrane protein in situations of metabolic stress. A key observation is the up-regulation of APP following acute (stroke, cardiac arrest) or chronic (cerebrovascular disease) hypoxic-ischemic conditions. While this mechanism may increase the risk or severity of AD, APP by itself or its soluble extracellular fragment APPsα can promote neuronal survival...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28207775/the-contribution-of-gender-based-violence-and-network-trauma-to-gender-differences-in-post-traumatic-stress-disorder
#8
Derrick Silove, Jess R Baker, Mohammed Mohsin, Maree Teesson, Mark Creamer, Meaghan O'Donnell, David Forbes, Natacha Carragher, Tim Slade, Katherine Mills, Richard Bryant, Alexander McFarlane, Zachary Steel, Kim Felmingham, Susan Rees
BACKGROUND: Posttraumatic stress disorder (PTSD) occurs twice as commonly amongst women as men. Two common domains of trauma, network trauma and gender based violence (GBV), may contribute to this gender difference in PTSD rates. We examined data from a nationally representative sample of the Australian population to clarify the characteristics of these two trauma domains in their contributions to PTSD rates in men and women. METHODS: We drew on data from the 2007 Australian National Survey of Mental Health and Well-being to assess gender differences across a comprehensive range of trauma domains, including (1) prevalence of lifetime exposure; (2) identification of an index trauma or DSM-IV Criterion A event; and (3) the likelihood of developing full DSM-IV PTSD symptoms once an index trauma was identified...
2017: PloS One
https://www.readbyqxmd.com/read/28206848/the-prevalence-of-compassion-fatigue-among-veterinary-students-in-australia-and-the-associated-psychological-factors
#9
Michelle L McArthur, Jena R Andrews, Conor Brand, Susan J Hazel
Compassion fatigue, compassion satisfaction, and other characteristics such as mindfulness and mental health stigma have not been investigated in veterinary students. The aims of this study were twofold: first to determine the prevalence of compassion, satisfaction, burnout, and secondary traumatic stress among Australian veterinary students and second to investigate the association between these factors and self-stigma, coping, empathy, and mindfulness. A cross-sectional online survey consisting of demographic questions and four validated psychological measures sampled 828 students, with a response rate of 31% (255/828)...
2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28206801/burden-and-mental-health-among-caregivers-of-veterans-with-traumatic-brain-injury-polytrauma
#10
Joan M Griffin, Minji K Lee, Lauren R Bangerter, Courtney Harold Van Houtven, Greta Friedemann-Sánchez, Sean M Phelan, Kathleen F Carlson, Laura A Meis
Veterans who survive multiple traumatic injuries, including traumatic brain injuries (TBI), must often rely on family caregivers for ongoing care and support with reintegration. Understanding factors associated with caregiving that help or harm caregivers' health is critical for identifying appropriate and effective interventions that support caregiver health and promote the provision of quality care to veterans. This study utilized cross-sectional data from the Family and Caregiver Experiences Study, a survey of 564 caregivers caring for veterans who served after September 11, 2001, survived TBI/polytrauma during service, and received inpatient rehabilitation care in a Veterans Affairs Polytrauma Rehabilitation Center...
2017: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/28206785/relationships-among-traumatic-experiences-ptsd-and-posttraumatic-growth-for-police-officers-a-path-analysis
#11
Brian A Chopko, Patrick A Palmieri, Richard E Adams
OBJECTIVE: Law enforcement officers tend to be exposed to a high frequency of potentially traumatic incidents. A dichotomous distinction among these events involves the witnessing of threat or harm to others and the experiencing of threat or harm directly to oneself. Past research suggests that different types of trauma exposure produce varying levels of negative posttraumatic responses including posttraumatic stress disorder (PTSD) symptoms and positive outcomes such as posttraumatic growth (PTG)...
February 16, 2017: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/28205604/selectively-bred-rats-provide-a-unique-model-of-vulnerability-to-ptsd-like-behavior-and-respond-differentially-to-fgf2-augmentation-early-in-life
#12
Katherine E Prater, Elyse L Aurbach, Hanna K Larcinese, Taylor N Smith, Cortney A Turner, Peter Blandino, Stanley J Watson, Stephen Maren, Huda Akil
Individuals respond differently to traumatic experiences including their propensity to develop post-traumatic stress disorder (PTSD). Understanding individual differences in PTSD vulnerability will allow the development of improved prevention and treatment options. Here, we characterized fear conditioning and extinction in rats selectively bred for differences in their locomotor response to a novel environment. Selectively bred high responder (bHR) and low responder (bLR) male rats are known to differ in their emotional reactivity on a range of measures of spontaneous anxiety- and depressive-like behaviors...
February 16, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28202303/association-between-substance-use-diagnoses-and-psychiatric-disorders-in%C3%A2-an-adolescent-and-young-adult-clinic-based-population
#13
Justine Wittenauer Welsh, John R Knight, Sherry Shu-Yeu Hou, Monica Malowney, Patricia Schram, Lon Sherritt, J Wesley Boyd
PURPOSE: Adolescents with substance use disorders are more likely to have a current psychiatric disorder. However, when compared with the adult literature, there is relatively limited information regarding the specific co-occurrence of certain mental health diagnoses and substance use disorders in adolescents. The objectives of this study were to build on the previous literature regarding mental health diagnoses and different types of substance use disorders in adolescents, as well as explore the differences, if any, between groupings of mental health diagnosis and type of substance used...
February 12, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28199430/-posttraumatic-stress-disorder-conceptualization-and-psychopharmacological-treatment-update
#14
Leandro N Grendas
Posttraumatic stress disorder (PTSD) is characterized by four symptom complexes: the reexperience/intrusion of the traumatic event, a state of hyperarousal when exposed to traumatic events, emotional block and emotional/affective deregulation with negative cognitive and mood alterations. Its evolution tends to be chronic and its related with a significative morbidity, affecting the functionality of the individual in his interpresonal, social and employment areas. In 1980, the American Psychiatric Association includes PTSD in the third edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III), and thereafter several research studies are developed to evaluate the effectiveness of drugs on its treatment...
March 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28199427/-attachment-trauma-and-dissociation-the-genesis-of-the-dissociated-personality
#15
Ricardo E Cortese
In the present work we will deepen on the dissociative identity disorder (DID) and in the main current explanatory theory doomed to elucidate its genesis. The latter implies the interweaving of the notions of trauma, dissociation and attachment, relying on the psychoanalytic traditions and cognitive behavioral, generating an integrated perspective that transfigures the way how it was dealt with clinically and therapeutically this disorder. Under the perspective of the latter, the DID appears insert in the framework of the dissociative disorders of the personality, the same as the borderline organization, and in turn related to those dissociative disorders acquired in adulthood, which includes the post-traumatic stress disorder and some somatization disorders and conversion, which suggests the existence of an extended spectrum of dissociative disorders...
March 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28196559/the-link-between-childhood-adversity-and-late-life-mental-health-evidence-for-the-influence-of-early-life-experiences-or-illusory-correlations
#16
Tracy D Vannorsdall, Cynthia A Munro
Adverse childhood experiences (ACEs) reflect stressful or traumatic early life events such as abuse, neglect, and significant household challenges. These experiences are increasingly appreciated as factors that exert influence on physical and mental functioning throughout the lifespan. Numerous studies have demonstrated dose-response relationships between the number of ACEs reported and negative health outcomes in adulthood (Anda et al., 2006). At the same time, evidence points to the role of ACEs in the development of heightened biological reactivity to stress that may serve to increase vulnerability to the development of mental and substance use disorders (e...
March 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28196348/investigation-of-implicit-avoidance-of-displacement-related-stimuli-in-offspring-of-trauma-exposed-forcibly-displaced-individuals
#17
Charlotte E Wittekind, Christoph Muhtz, Steffen Moritz, Lena Jelinek
There is an ongoing debate as to whether traumatization also affects the close relatives of trauma survivors who have symptoms of PTSD. Although many studies provide evidence favoring a transgenerational transmission, other studies have not found evidence to support this idea. The present study examined whether adult offspring of individuals exposed to trauma during forced displacement with (n=22) and without PTSD (n=24) exhibit an implicit avoidance of stimuli related to the parental trauma compared to children of non-trauma exposed control participants (n=23) using an Approach-Avoidance task (AAT)...
February 3, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28196108/post-traumatic-stress-disorder-symptom-burden-and-gender-each-affect-generalization-in-a-reward-and-punishment-learning-task
#18
Milen L Radell, Kevin D Beck, Mark W Gilbertson, Catherine E Myers
Post-traumatic stress disorder (PTSD) can develop following exposure to a traumatic event. Re-experiencing, which includes intrusive memories or flashbacks of the trauma, is a core symptom cluster of PTSD. From an associative learning perspective, this cluster may be attributed to cues associated with the trauma, which have come to elicit symptoms in a variety of situations encountered in daily life due to a tendency to overgeneralize. Consistent with this, prior studies have indicated that both individuals with clinically diagnosed with PTSD, and those with self-reported symptoms who may not meet full diagnostic criteria, show changes in generalization...
2017: PloS One
https://www.readbyqxmd.com/read/28195577/hippocampus-glutamate-and-n-acetyl-aspartate-markers-of-excitotoxic-neuronal-compromise-in-posttraumatic-stress-disorder
#19
Isabelle M Rosso, David J Crowley, Marisa M Silveri, Scott L Rauch, J Eric Jensen
Hippocampus atrophy is implicated in posttraumatic stress disorder (PTSD), and may partly reflect stress-induced glutamate excitotoxicity that culminates in neuron injury and manifests as re-experiencing symptoms and other memory abnormalities. This study used high-field proton magnetic resonance spectroscopy (MRS) to determine whether PTSD is associated with lower hippocampus levels of the neuron marker N-acetyl aspartate (NAA), along with higher levels of glutamate (Glu) and Glu/NAA. We also predicted that metabolite levels would correlate with re-experiencing symptoms and lifetime trauma load...
February 13, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28195568/military-deployment-correlates-with-smaller-prefrontal-gray-matter-volume-and-psychological-symptoms-in-a-subclinical-population
#20
O Butler, J Adolf, T Gleich, G Willmund, P Zimmermann, U Lindenberger, J Gallinat, S Kühn
Research investigating the effects of trauma exposure on brain structure and function in adults has mainly focused on post-traumatic stress disorder (PTSD), whereas trauma-exposed individuals without a clinical diagnoses often serve as controls. However, this assumes a dichotomy between clinical and subclinical populations that may not be supported at the neural level. In the current study we investigate whether the effects of repeated or long-term stress exposure on brain structure in a subclinical sample are similar to previous PTSD neuroimaging findings...
February 14, 2017: Translational Psychiatry
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