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https://www.readbyqxmd.com/read/28237074/systematic-review-predicting-adverse-psychological-outcomes-after-hand-trauma
#1
Emma Ladds, Nathalie Redgrave, Matthew Hotton, Michael Lamyman
STUDY DESIGN: Systematic review. INTRODUCTION AND PURPOSE OF THE STUDY: After traumatic hand injury, extensive physical and psychological adaptation is required following surgical reconstruction. Recovery from injury can understandably be emotionally challenging, which may result in impaired quality of life and delayed physical recovery. However, the evidence base for identifying high-risk patients is limited. METHODS: A PROSPERO-registered literature search of MEDLINE (1946-present), EMBASE (1980-present), PsychInfo, and CINAHL electronic databases identified 5156 results for studies reporting psychological outcomes after acute hand trauma...
February 22, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28229114/the-trier-social-stress-test-principles-and-practice
#2
REVIEW
Andrew P Allen, Paul J Kennedy, Samantha Dockray, John F Cryan, Timothy G Dinan, Gerard Clarke
Researchers interested in the neurobiology of the acute stress response in humans require a valid and reliable acute stressor that can be used under experimental conditions. The Trier Social Stress Test (TSST) provides such a testing platform. It induces stress by requiring participants to make an interview-style presentation, followed by a surprise mental arithmetic test, in front of an interview panel who do not provide feedback or encouragement. In this review, we outline the methodology of the TSST, and discuss key findings under conditions of health and stress-related disorder...
February 2017: Neurobiology of Stress
https://www.readbyqxmd.com/read/28223895/rosacea-fulminans-precipitated-by-acute-stress-a-case-report-describing-an-integrative-approach-for-a-patient-reluctant-to-use-isotretinoin
#3
Patrick Veerkamp, Nico Mousdicas, Robert Bednarek
CONTEXT: Rosacea fulminans is a rare skin disorder with a multifactorial etiology. Stress is one of the common precipitating factors of this condition but is not often targeted in treatment. Isotretinoin is considered part of the first-line therapy for this condition but, in cases where its use is restricted, other therapeutic interventions as part of an integrative approach may be effective. PATIENT CONCERNS: A 38-y-old female presented with rosacea fulminans brought on by an acutely stressful event...
December 2016: Integrative Medicine
https://www.readbyqxmd.com/read/28215162/gut-brain-axis-role-of-lipids-in-the-regulation-of-inflammation-pain-and-cns-diseases
#4
Roberto Russo, Claudia Cristiano, Carmen Avagliano, Carmen De Caro, Giovanna La Rana, Giuseppina Mattace Raso, Roberto Berni Canani, Rosaria Meli, Antonio Calignano
The human gut is a composite anaerobic environment with a large, diverse and dynamic enteric microbiota, represented by more than 100 trillion microorganisms, including at least 1000 distinct species. The discovery that a different microbial composition can influence behavior and cognition, and in turn the nervous system can indirectly influence enteric microbiota composition, has significantly contributed to establish the well-accepted concept of gut-brain axis. This hypothesis is supported by several evidence showing mutual mechanisms, which involve the vague nerve, the immune system, the hypothalamic-pituitary-adrenal (HPA) axis modulation and the bacteria-derived metabolites...
February 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28215154/stress-and-salivary-glands
#5
Beáta Kerémi, Anita Beck, Tibor Károly Fábián, Gábor Fábián, Géza Szabó, Ákos Nagy, Gábor Varga
Salivary glands produce a bicarbonate-rich fluid containing digestive and protective proteins and other components to be delivered into the gastrointestinal tract. Its function is under strict control of the autonomic nervous system. Salivary electrolyte and fluid secretion is primarily controlled by parasympathetic activity, while protein secretion is primaily triggered by sympathetic stimulation. Stress activates the hypothalamic - pituitary - adrenal axis. The peripheral limb of this axis is the efferent sympathetic/adrenomedullary system...
February 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28214871/restraint-stress-during-pregnancy-rapidly-raises-kynurenic-acid-levels-in-mouse-placenta-and-fetal-brain
#6
Francesca M Notarangelo, Robert Schwarcz
Stressful events during pregnancy adversely affect brain development and may increase the risk of psychiatric disorders later in life. Early changes in the kynurenine (KYN) pathway (KP) of tryptophan (TRP) degradation, which contains several neuroactive metabolites, including kynurenic acid (KYNA), 3-hydroxykynurenine (3-HK), and quinolinic acid (QUIN), may constitute a molecular link between prenatal stress and delayed pathological consequences. To begin testing this hypothesis experimentally, we examined the effects of a 2-h restraint stress on KP metabolism in pregnant FVB/N mice on gestational day 17...
February 18, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28213205/sensory-trigeminal-ulf-tens-stimulation-reduces-hrv-response-to-experimentally-induced-arithmetic-stress-a-randomized-clinical-trial
#7
Annalisa Monaco, Ruggero Cattaneo, Eleonora Ortu, Marian Vladimir Constantinescu, Davide Pietropaoli
Ultra Low Frequency Transcutaneous Electric Nervous Stimulation (ULF-TENS) is extensively used for pain relief and for the diagnosis and treatment of temporomandibular disorders (TMD). In addition to its local effects, ULF-TENS acts on the autonomic nervous system (ANS), with particular reference to the periaqueductal gray (PAG), promoting the release of endogenous opioids and modulating descending pain systems. It has been suggested that the PAG participates in the coupling between the emotional stimulus and the appropriate behavioral autonomic response...
February 14, 2017: Physiology & Behavior
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/28202350/chronic-social-instability-increases-anxiety-like-behavior-and-ethanol-preference-in-male-long-evans-rats
#9
Alyssa R Roeckner, Alexandra Bowling, Tracy R Butler
Chronic stress during adolescence is related to increased prevalence of anxiety disorders and alcohol use disorders in humans. This phenotype has been consistently recapitulated in animal models with male subjects, but models using female subjects are fewer. The aim of these studies was to test the hypothesis that chronic social instability (CSI) during adolescence engenders increased anxiety-like behavior, increased corticosterone, and greater ethanol intake and/or preference than control groups in male and female rats...
February 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28199426/-translating-hysteria-ptsd-dissociative-subtype
#10
Elena Levy Yeyati
To address the symptoms of depersonalization and derealization a specific dissociative subtype of posttraumatic stress disorder has been included in DSM-5. Depersonalization and derealization have been defined as acute and chronic symptoms of dissociative disorders since DSM-III. Dissociative disorders with chronic features are often diagnosed in North America, Canada and other European countries, but this is not the case in Argentina. Dissociative disorders have clinical and historical features that are strongly connected with hysteria...
March 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28183502/a-27-year-old-man-with-acute-severe-low-back-pain-and-bilateral-leg-swelling-that-prompted-renting-a-wheelchair-for-mobility
#11
John G Williams, Huy Phan, Helena R Winston, Randolph V Fugit, Bridget Graney, Brant Jamroz, Benjamin English, Edward D Chan
A 27-year-old man with OSA, posttraumatic stress disorder, and chronic mechanical back pain presented with a 3-day history of acute atraumatic worsening of his low back pain as well as right groin numbness that was exacerbated by walking. He also complained of bilateral leg "heaviness," pain, and swelling, all becoming so severe that he rented a wheelchair for mobility.
February 2017: Chest
https://www.readbyqxmd.com/read/28170001/the-mcp-4-mcp-1-ratio-in-plasma-is-a-candidate-circadian-biomarker-for-chronic-post-traumatic-stress-disorder
#12
C Dalgard, O Eidelman, C Jozwik, C H Olsen, M Srivastava, R Biswas, Y Eudy, S W Rothwell, G P Mueller, P Yuan, W C Drevets, H K Manji, M Vythlingam, D S Charney, A Neumeister, R J Ursano, D M Jacobowitz, H B Pollard, O Bonne
Post-traumatic stress disorder (PTSD) is psychiatric disease, which can occur following exposure to traumatic events. PTSD may be acute or chronic, and can have a waxing and waning course of symptoms. It has been hypothesized that proinflammatory cytokines and chemokines in the cerebrospinal fluid (CSF) or plasma might be mediators of the psychophysiological mechanisms relating a history of trauma exposure to changes in behavior and mental health disorders, and medical morbidity. Here we test the cytokine/chemokine hypothesis for PTSD by examining levels of 17 classical cytokines and chemokines in CSF, sampled at 0900 hours, and in plasma sampled hourly for 24 h...
February 7, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28168596/the-need-to-take-a-staging-approach-to-the-biological-mechanisms-of-ptsd-and-its-treatment
#13
REVIEW
Alexander Cowell McFarlane, Eleanor Lawrence-Wood, Miranda Van Hooff, Gin S Malhi, Rachel Yehuda
Despite the substantial body of neurobiological research, no specific drug target has been developed to treat PTSD and there are substantial limitations with the available interventions. We propose that advances are likely to depend on the development of better classification of the heterogeneity of PTSD using a staging approach of disease. A primary rationale for staging is to highlight the probability that distinct therapeutic approaches need to be utilised according to the degree of biological progression of the disorder...
February 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28167808/how-do-individuals-cope-with-stress-behavioural-physiological-and-neuronal-differences-between-proactive-and-reactive-coping-styles-in-fish
#14
Marco A Vindas, Marnix Gorissen, Erik Höglund, Gert Flik, Valentina Tronci, Børge Damsgård, Per-Ove Thörnqvist, Tom O Nilsen, Svante Winberg, Øyvind Øverli, Lars O E Ebbesson
Despite the use of fish models to study human mental disorders and dysfunctions, knowledge of regional telencephalic responses in non-mammalian vertebrates expressing alternate stress coping styles is poor. Since perception of salient stimuli associated with stress coping in mammals is mainly under forebrain limbic control, we tested region-specific forebrain neural (i.e mRNA abundance and monoamine neurochemistry) and endocrine responses at basal and acute stress conditions for previously characterised proactive and reactive Atlantic salmon...
February 6, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28167456/antidepressant-and-anxiolytic-like-activity-of-sodium-selenite-after-acute-treatment-in-mice
#15
Ewa Kędzierska, Jarosław Dudka, Ewa Poleszak, Jolanta H Kotlińska
BACKGROUND: Selenium (Se) is an essential trace element for humans and animals, that is needed for a broad variety of physiological functions including thyroid hormone metabolism, protection against oxidative stress, and immunity associated functions. Human nutritional Se deficiencies are associated with neuropsychiatric diseases, like Alzheimer's disease, Parkinson's disease, obsessive - compulsive disorder, stroke, epilepsy as well as depressive behaviours. In this study we examined antidepressant- and anxiolytic-like activity of Se in the inorganic form of sodium selenite and investigated whether Se influence on the locomotor activity in mice...
November 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28164167/neonatal-maternal-separation-increases-susceptibility-to-experimental-colitis-and-acute-stress-exposure-in-male-mice
#16
Isabella M Fuentes, Natalie K Walker, Angela N Pierce, Briana R Holt, Elizabeth R Di Silvestro, Julie A Christianson
Experiencing early life stress can result in maladjusted stress response via dysregulation of the hypothalamic-pituitary-adrenal axis and serves as a risk factor for developing chronic pelvic pain disorders. We investigated whether neonatal maternal separation (NMS) would increase susceptibility to experimental colitis or exposure to acute or chronic stress. Male mice underwent NMS from postnatal day 1-21 and as adults were assessed for open field behavior, hindpaw sensitivity, and visceromotor response (VMR) to colorectal distension (CRD)...
December 2016: IBRO Rep
https://www.readbyqxmd.com/read/28163527/beyond-bounds-of-reality-acute-stress-disorder-presenting-with-delusional-misidentification-syndromes
#17
Karthick Subramanian, Vikas Menon, Tess Maria Rajan
No abstract text is available yet for this article.
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28161195/activation-of-atp-sensitive-potassium-channel-by-iptakalim-normalizes-stress-induced-hpa-axis-disorder-and-depressive-behaviour-by-alleviating-inflammation-and-oxidative-stress-in-mouse-hypothalamus
#18
Xiao-Jie Zhao, Zhan Zhao, Dan-Dan Yang, Lu-Lu Cao, Ling Zhang, Juan Ji, Jun Gu, Ji-Ye Huang, Xiu-Lan Sun
Stress-induced disturbance of the hypothalamic-pituitary-adrenal (HPA) axis is strongly implicated in incidence of mood disorders. A heightened neuroinflammatory response and oxidative stress play a fundamental role in the dysfunction of the HPA axis. We have previously demonstrated that iptakalim (Ipt), a new ATP-sensitive potassium (K-ATP) channel opener, could prevent oxidative injury and neuroinflammation against multiple stimuli-induced brain injury. The present study was to demonstrate the impacts of Ipt in stress-induced HPA axis disorder and depressive behavior...
February 1, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28159589/effects-of-lps-induced-immune-activation-prior-to-trauma-exposure-on-ptsd-like-symptoms-in-mice
#19
Jessica Deslauriers, Myrthe van Wijngaarde, Mark A Geyer, Susan Powell, Victoria B Risbrough
The prevalence of posttraumatic stress disorder (PTSD) is high in the armed services, with a rate up to 20%. Multiple studies have associated markers of inflammatory signaling prior to trauma with increased risk of PTSD, suggesting a potential role of the immune system in the development of this psychiatric disorder. One question that arises is if "priming" the immune system before acute trauma alters the stress response and increases enduring effects of trauma. We investigated the time course of inflammatory response to predator stress, a robust stressor that induces enduring PTSD-like behaviors, and the modulation of these effects via prior immune activation with the bacterial endotoxin, lipopolysaccharide (LPS), a Toll-like receptor 4 (TLR4) agonist...
April 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28158955/rapid-antidepressant-effect-of-hydrogen-sulfide-evidence-for-activation-of-mtorc1-trkb-ampa-receptor-pathways
#20
Xiao-Yi Hou, Zhuang-Li Hu, Deng-Zheng Zhang, Wei Lu, Jun Zhou, Pei-Fei Wu, Xin-Lei Guan, Qian-Qian Han, Si-Long Deng, Hai Zhang, Jian-Guo Chen, Fang Wang
AIMS: We asked whether Hydrogen sulfide (H2S), as the third gaseous mediator, provided fast antidepressant effect on major depressive disorders and the underlying mechanisms. RESULTS: The decreased level of H2S was detected in the hippocampus of chronic unpredictable mild stress (CUMS)-treated rats. Acute administration of H2S either by H2S inhalation or by the donor NaHS produced a rapid antidepressant-like behavioral effect. Further investigation demonstrated that this effect of H2S was mediated by reversing the CUMS-induced decrease in dendritic spine density and required the activation of mTORC1 and neurotrophic TrkB receptors, proceeded to increase synaptic protein expression including PSD95, synaptophysin, and AMPA receptor GluR1/2 subunit...
February 3, 2017: Antioxidants & Redox Signaling
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