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Early onset psychosis

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https://www.readbyqxmd.com/read/29344610/association-of-combined-patterns-of-tobacco-and-cannabis-use-in-adolescence-with-psychotic-experiences
#1
Hannah J Jones, Suzanne H Gage, Jon Heron, Matthew Hickman, Glyn Lewis, Marcus R Munafò, Stanley Zammit
Importance: There is concern about potentially causal effects of tobacco use on psychosis, but epidemiological studies have been less robust in attempts to minimize effects of confounding than studies of cannabis use have been. Objectives: To examine the association of patterns of cigarette and cannabis use with preceding and subsequent psychotic experiences, and to compare effects of confounding across these patterns. Design, Setting, and Participants: This cohort study used data from the Avon Longitudinal Study of Parents and Children, which initially consisted of 14 062 children...
January 17, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29338891/gray-and-white-matter-changes-and-their-relation-to-illness-trajectory-in-first-episode-psychosis
#2
Alejandro Keymer-Gausset, Anna Alonso-Solís, Iluminada Corripio, Rosa B Sauras-Quetcuti, Edith Pomarol-Clotet, Erick J Canales-Rodriguez, Eva Grasa-Bello, Enric Álvarez, Maria J Portella
Previous works have studied structural brain characteristics in first-episode psychosis (FEP), but few have focused on the relation between brain differences and illness trajectories. The aim of this study is to analyze gray and white matter changes in FEP patients and their relation with one-year clinical outcomes. A sample of 41 FEP patients and 41 healthy controls (HC), matched by age and educational level was scanned with a 3T MRI during the first month of illness onset. One year later, patients were assigned to two illness trajectories (schizophrenia and non-schizophrenia)...
January 12, 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29334044/gene-environment-interplay-in-the-etiology-of-psychosis
#3
Alyson Zwicker, Eileen M Denovan-Wright, Rudolf Uher
Schizophrenia and other types of psychosis incur suffering, high health care costs and loss of human potential, due to the combination of early onset and poor response to treatment. Our ability to prevent or cure psychosis depends on knowledge of causal mechanisms. Molecular genetic studies show that thousands of common and rare variants contribute to the genetic risk for psychosis. Epidemiological studies have identified many environmental factors associated with increased risk of psychosis. However, no single genetic or environmental factor is sufficient to cause psychosis on its own...
January 15, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29332009/poststroke-psychosis-a-systematic-review
#4
REVIEW
Helle Stangeland, Vasiliki Orgeta, Vaughan Bell
A preregistered systematic review of poststroke psychosis examining clinical characteristics, prevalence, diagnostic procedures, lesion location, treatments, risk factors and outcome. Neuropsychiatric outcomes following stroke are common and severely impact quality of life. No previous reviews have focused on poststroke psychosis despite clear clinical need. CINAHL, MEDLINE and PsychINFO were searched for studies on poststroke psychosis published between 1975 and 2016. Reviewers independently selected studies for inclusion, extracted data and rated study quality...
January 13, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29310912/monocyte-activation-detected-prior-to-a-diagnosis-of-schizophrenia-in-the-us-military-new-onset-psychosis-project-mnopp
#5
Natalya S Weber, Kristin L Gressitt, David N Cowan, David W Niebuhr, Robert H Yolken, Emily G Severance
Low-grade inflammation is present in some cases of schizophrenia, particularly in the early stages of this disorder. The inflammation source is not known but may be the result of dysbiotic processes occurring in the gut. We examined peripheral biomarkers of bacterial translocation, soluble CD14 (sCD14) and lipopolysaccharide binding protein (LBP), and of general inflammation, C-reactive protein (CRP), in a unique, pre-onset study of schizophrenia. This sample was composed of 80 case-control matched pairs of US military service members from whom blood samples were obtained at time of entry to service, before a psychiatric diagnosis was made...
January 5, 2018: Schizophrenia Research
https://www.readbyqxmd.com/read/29303949/psychosis-risk-syndrome-what-now
#6
Othman Sentissi, Maria A Andreou, Clotilde Moeglin, Logos Curtis, Micaela Santos Brosch
BACKGROUND: Schizophrenia is a chronic psychiatric disorder that generally begins in late adolescence or early adulthood. This early onset is often linked with a devastating lifelong impact on both the social network and work capacities of the affected subjects. Beginning in the mid-1990s, several sets of diagnostic criteria aiming to identify "high-risk" patients were developed and applied in clinical studies. Short-term rates of onset of psychosis in this subgroup of subjects ranged from 20% to 40%...
November 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/29289662/th17-t-regulator-cell-balance-and-nk-cell-numbers-in-relation-to-psychosis-liability-and-social-stress-reactivity
#7
J Counotte, H A Drexhage, J M Wijkhuijs, R Pot-Kolder, V Bergink, H W Hoek, W Veling
BACKGROUND: Psychotic disorders are characterized by a deranged immune system, including altered number and function of Natural Killer (NK) and T cells. Psychotic disorders arise from an interaction between genetic vulnerability and exposure to environmental risk factors. Exposure to social adversity during early life is particularly relevant to psychosis risk and is thought to increase reactivity to subsequent minor daily social stressors. Virtual reality allows controlled experimental exposure to virtual social stressors...
December 28, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29287238/detection-of-early-psychotic-symptoms-validation-of-the-spanish-version-of-the-symptom-onset-in-schizophrenia-sos-inventory
#8
Gisela Mezquida, Bibiana Cabrera, Anabel Martínez-Arán, Eduard Vieta, Miguel Bernardo
The period of subclinical signs that precedes the onset of psychosis is referred to as the prodrome or high-risk mental state. The "Symptom Onset in Schizophrenia (SOS) inventory" is an instrument to characterize and date the initial symptoms of a psychotic illness. The present study aims to provide reliability and validity data for clinical and research use of the Spanish version of the SOS. Thirty-six participants with a first-episode of psychosis meeting DSM-IV criteria for schizophrenia/schizoaffective/schizophreniform disorder were administered the translated SOS and other clinical assessments...
December 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29282135/implementation-of-a-relatives-toolkit-impart-study-an-iterative-case-study-to-identify-key-factors-impacting-on-the-implementation-of-a-web-based-supported-self-management-intervention-for-relatives-of-people-with-psychosis-or-bipolar-experiences-in-a-national
#9
Fiona Lobban, Victoria Appleton, Duncan Appelbe, Johanna Barraclough, Julie Bowland, Naomi R Fisher, Sheena Foster, Sonia Johnson, Elizabeth Lewis, Céu Mateus, Barbara Mezes, Elizabeth Murray, Puffin O'Hanlon, Vanessa Pinfold, Jo Rycroft-Malone, Ron Siddle, Jo Smith, Chris J Sutton, Andrew Walker, Steven H Jones
BACKGROUND: Web-based interventions to support people to manage long-term health conditions are available and effective but rarely used in clinical services. The aim of this study is to identify critical factors impacting on the implementation of an online supported self-management intervention for relatives of people with recent onset psychosis or bipolar disorder into routine clinical care and to use this information to inform an implementation plan to facilitate widespread use and inform wider implementation of digital health interventions...
December 28, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/29235240/gender-differences-in-first-self-perceived-signs-and-symptoms-in-patients-with-an-at-risk-mental-state-and-first-episode-psychosis
#10
Ulrike Heitz, Erich Studerus, Stephanie Menghini-Müller, Martina Papmeyer, Laura Egloff, Sarah Ittig, Astrid Navarra, Christina Andreou, Anita Riecher-Rössler
AIM: Gender differences in the current symptomatology of patients with psychotic disorders have previously been described in the literature. However, it has not yet been investigated whether gender differences exist in the very first self-perceived signs or symptoms of illness onset. The aim of this study was to investigate this aspect in at-risk mental state (ARMS) and first-episode psychosis (FEP) patients. METHODS: ARMS and FEP were recruited via the early detection of psychosis (FePsy) clinic Basel, Switzerland...
December 13, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/29219634/using-molecular-imaging-to-understand-early-schizophrenia-related-psychosis-neurochemistry-a-review-of-human-studies
#11
Christin Schifani, Sina Hafizi, Tania Da Silva, Jeremy Joseph Watts, M Saad Khan, Romina Mizrahi
Schizophrenia is a chronic psychiatric disorder generally preceded by a so-called prodromal phase, which is characterized by attenuated psychotic symptoms. Advances in clinical research have enabled prospective identification of those individuals who are at clinical high risk (CHR) for psychosis, with the power to predict psychosis onset within the near future. Changes in several brain neurochemical systems and molecular mechanisms are implicated in the pathophysiology of schizophrenia and the psychosis spectrum, including the dopaminergic, γ-aminobutyric acid (GABA)-ergic, glutamatergic, endocannabinoid, and immunologic (i...
December 8, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/29175874/psychiatric-disease-in-an-adolescent-as-a-harbinger-of-cerebral-x-linked-adrenoleukodystrophy
#12
Jessica Smith, Mitchel T Williams, Vinod K Misra
X-linked adrenoleukodystrophy (XALD) typically presents as a childhood cerebral demyelinating form, as an adult-onset adrenomyeloneuropathy or as adrenocortical insufficiency. Cerebral demyelination presenting in adolescence is unusual. We present an 17-year-old boy with adolescent-onset XALD initially manifesting with slowly progressive psychiatric symptoms. He was initially diagnosed with attention-deficit hyperactivity disorder and an acute psychosis. However, he was ultimately diagnosed with XALD based on his clinical course, neuroimaging findings and biochemical abnormalities...
November 24, 2017: Practical Neurology
https://www.readbyqxmd.com/read/29175503/non-literal-language-comprehension-in-a-large-sample-of-first-episode-psychosis-patients-in-adulthood
#13
Cinzia Perlini, Marcella Bellani, Livio Finos, Antonio Lasalvia, Chiara Bonetto, Paolo Scocco, Armando D'Agostino, Stefano Torresani, Massimiliano Imbesi, Francesca Bellini, Angela Konze, Angela Veronese, Mirella Ruggeri, Paolo Brambilla
To date no data still exist on the comprehension of figurative language in the early phases of psychosis. The aim of this study is to investigate for the first time the comprehension of metaphors and idioms at the onset of the illness. Two-hundred-twenty eight (228) first episode psychosis (FEP) patients (168 NAP, non-affective psychosis; 60 AP, affective psychosis) and 70 healthy controls (HC) were assessed. Groups were contrasted on: a) type of stimulus (metaphors vs idioms) and b) type of response (OPEN = spontaneous explanations vs CLOSED = multiple choice answer)...
November 10, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29175199/towards-a-neurodynamical-understanding-of-the-prodrome-in-schizophrenia
#14
REVIEW
E Mikanmaa, T Grent-'t-Jong, Hua Lingling, M Recasens, H Thune, Peter J Uhlhaas
The identification of biomarkers for the early diagnosis of schizophrenia that could inform novel treatment developments is an important objective of current research. This paper will summarize recent work that has investigated changes in oscillatory activity and event-related potentials with Electro/Magnetoencephalography (EEG/MEG) in participants at high-risk for the development of schizophrenia, highlighting disruptions in sensory and cognitive operations prior to the onset of the syndrome. Changes in EEG/MEG-data are consistent with evidence for alterations in Glutamatergic and GABAergic neurotransmission as disclosed by Magnetic Resonance Spectroscopy and brain stimulation, indicating changes in Excitation/Inhibition Parameters prior to the onset of psychosis...
November 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/29159045/identifying-functional-network-changing-patterns-in-individuals-at-clinical-high-risk-for-psychosis-and-patients-with-early-illness-schizophrenia-a-group-ica-study
#15
Yuhui Du, Susanna L Fryer, Dongdong Lin, Jing Sui, Qingbao Yu, Jiayu Chen, Barbara Stuart, Rachel L Loewy, Vince D Calhoun, Daniel H Mathalon
Although individuals at clinical high risk (CHR) for psychosis exhibit a psychosis-risk syndrome involving attenuated forms of the positive symptoms typical of schizophrenia (SZ), it remains unclear whether their resting-state brain intrinsic functional networks (INs) show attenuated or qualitatively distinct patterns of functional dysconnectivity relative to SZ patients. Based on resting-state functional magnetic imaging data from 70 healthy controls (HCs), 53 CHR individuals (among which 41 subjects were antipsychotic medication-naive), and 58 early illness SZ (ESZ) patients (among which 53 patients took antipsychotic medication) within five years of illness onset, we estimated subject-specific INs using a novel group information guided independent component analysis (GIG-ICA) and investigated group differences in INs...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29148264/negative-symptoms-in-first-episode-psychosis-clinical-correlates-and-1-year-follow-up-outcomes-in-london-early-intervention-services
#16
Aikaterini Rammou, Helen L Fisher, Sonia Johnson, Barnaby Major, Nikola Rahaman, Nick Chamberlain-Kent, James M Stone
AIM: Negative symptoms (NS) have been associated with poor outcome and remain difficult to treat in patients with psychosis. This study examined the association of NS with clinical features at first presentation to mental health services for psychosis and with outcomes at 1-year follow-up. METHODS: Clinical data were utilized from five London Early Intervention Services (EIS) included in the MiData audit database. The sample comprised 484 first-episode psychosis patients with complete Positive and Negative Syndrome Scale data at baseline and 1-year follow-up...
November 16, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/29143717/white-matter-abnormalities-in-22q11-2-deletion-syndrome-patients-showing-cognitive-decline
#17
Jasper Olivier Nuninga, Marc Marijn Bohlken, Sanne Koops, Ania M Fiksinski, René C W Mandl, Elemi J Breetvelt, Sasja N Duijff, René S Kahn, Iris E C Sommer, Jacob A S Vorstman
BACKGROUND: Decline in cognitive functioning precedes the first psychotic episode in the course of schizophrenia and is considered a hallmark symptom of the disorder. Given the low incidence of schizophrenia, it remains a challenge to investigate whether cognitive decline coincides with disease-related changes in brain structure, such as white matter abnormalities. The 22q11.2 deletion syndrome (22q11DS) is an appealing model in this context, as 25% of patients develop psychosis. Furthermore, we recently showed that cognitive decline also precedes the onset of psychosis in individuals with 22q11DS...
November 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29128195/-what-support-of-young-presenting-a-first-psychotic-episode-when-schooling-is-being-challenged
#18
M-N Vacheron, H Veyrat-Masson, E Wehbe
Psychiatric disorders (more specifically mood disorders and psychosis) represent the 1st cause of disability among young people. Unemployment rate between 75 to 95% for the person with schizophrenia. It is correlated to poor social integration and bad economic status, worse symptomatology loss of autonomy as well as global bad functioning. It is responsible of more than half of the overall cost of psychosis. The onset of most of psychiatric disorders occur between the age of 25 and 35 years old, a critical time in young adult life when they should build their professional as well as social future...
November 8, 2017: L'Encéphale
https://www.readbyqxmd.com/read/29125721/the-association-between-comorbid-autism-spectrum-disorders-and-antipsychotic-treatment-failure-in-early-onset-psychosis-a-historical-cohort-study-using-electronic-health-records
#19
Johnny M Downs, Suzannah Lechler, Harry Dean, Nicola Sears, Rashmi Patel, Hitesh Shetty, Emily Simonoff, Matthew Hotopf, Tamsin J Ford, Covadonga M Diaz-Caneja, Celso Arango, James H MacCabe, Richard D Hayes, Laura Pina-Camacho
OBJECTIVE: In a sample of children and adolescents with first-episode psychosis, we investigated whether multiple treatment failure (MTF, defined as the initiation of a third trial of novel antipsychotic due to nonadherence, adverse effects, or insufficient response) was associated with comorbid autism spectrum disorders. METHODS: Data were from the electronic health records of 638 children (51% male) aged from 10 to 17 years with first-episode psychosis (per ICD-10 criteria) from January 1, 2008, to November 1, 2014, referred to mental health services in South London, United Kingdom; data were extracted using the Clinical Record Interactive Search (CRIS) system...
November 7, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29121595/from-the-psychosis-prodrome-to-the-first-episode-of-psychosis-no-evidence-of-a-cognitive-decline
#20
Ricardo E Carrión, Deborah J Walder, Andrea M Auther, Danielle McLaughlin, Heather O Zyla, Steven Adelsheim, Roderick Calkins, Cameron S Carter, Bentson McFarland, Ryan Melton, Tara Niendam, J Daniel Ragland, Tamara G Sale, Stephan F Taylor, William R McFarlane, Barbara A Cornblatt
Cognitive deficits have an important role in the neurodevelopment of schizophrenia and other psychotic disorders. However, there is a continuing debate as to whether cognitive impairments in the psychosis prodrome are stable predictors of eventual psychosis or undergo a decline due to the onset of psychosis. In the present study, to determine how cognition changes as illness emerges, we examined baseline neurocognitive performance in a large sample of helping-seeking youth ranging in clinical state from low-risk for psychosis through individuals at clinical high-risk (CHR) for illness to early first-episode patients (EFEP)...
January 2018: Journal of Psychiatric Research
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