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First episode psychosis

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https://www.readbyqxmd.com/read/28340425/increased-nucleus-accumbens-volume-in-first-episode-psychosis
#1
Mireia Forns-Nadal, Daniel Bergé, Federico Sem, Anna Mané, Laura Igual, Dani Guinart, Oscar Vilarroya
Nucleus accumbens has been reported as a key structure in the neurobiology of schizophrenia. Studies analyzing structural abnormalities have shown conflicting results, possibly related to confounding factors. We investigated the nucleus accumbens volume using manual delimitation in first-episode psychosis (FEP) controlling for age, cannabis use and medication. Thirty-one FEP subjects who were naive or minimally exposed to antipsychotics and a control group were MRI scanned and clinically assessed from baseline to 6 months of follow-up...
March 18, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28339416/improving-vocational-outcomes-in-first-episode-psychosis-by-addressing-cognitive-impairments-using-cognitive-adaptation-training
#2
Kelly A Allott, Eoin Killackey, Pamela Sun, Warrick J Brewer, Dawn I Velligan
BACKGROUND: Cognitive Adaptation Training (CAT) uses compensatory strategies and environmental supports to support cognitive impairments and improve functioning. CAT may be useful for addressing vocational recovery in first-episode psychosis (FEP) because cognitive impairments are common and vocational recovery is a key goal of young people with FEP. OBJECTIVE: To describe clinical observations and practice experience when delivering CAT with FEP clients and explore potential benefits via objective outcome measures for improving vocational outcomes...
March 23, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28328793/first-episode-psychosis-possibly-due-to-roxithromycin-related-inhibition-of-metabolization-of-tetrahydrocannabinol
#3
Maximilian Gahr, Christoph Hiemke, Bernhard J Connemann, Carlos Schönfeldt-Lecuona
No abstract text is available yet for this article.
March 21, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28326117/impaired-social-and-role-function-in-ultra-high-risk-for-psychosis-and-first-episode-schizophrenia-its-relations-with-negative-symptoms
#4
So Jung Lee, Kyung Ran Kim, Su Young Lee, Suk Kyoon An
OBJECTIVE: Psychosocial dysfunction was a nettlesome of schizophrenia even in their prodromal phase as well as first episode and its relations with psychopathology were not determined. The aim of the present study was to examine whether the social and role function impairment was found in ultra-high risk for psychosis (UHR) individuals as well as first-episode schizophrenia patients and to explore its relations with psychopathology. METHODS: Thirty-seven normal controls, 63 UHR participants and 28 young, first-episode schizophrenia patients were recruited...
March 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28325572/lipid-profile-disturbances-in-antipsychotic-naive-patients-with-first-episode-non-affective-psychosis-a-systematic-review-and-meta-analysis
#5
REVIEW
Błażej Misiak, Bartłomiej Stańczykiewicz, Łukasz Łaczmański, Dorota Frydecka
BACKGROUND: Dyslipidaemia is one of the most prevalent metabolic disturbances observed in schizophrenia patients and has been largely attributed to the effects of poor lifestyle habits and adverse effects of antipsychotic treatment. However, less is known whether patients with first-episode non-affective psychosis (FENP) present subthreshold indices of dyslipidaemia. Therefore, we tested the hypothesis whether subclinical lipid profile alterations occur already in antipsychotic-naïve FENP patients...
March 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28323286/erythrocyte-glutathione-levels-as-long-term-predictor-of-transition-to-psychosis
#6
S Lavoie, M Berger, M Schlögelhofer, M R Schäfer, S Rice, S-W Kim, J Hesse, P D McGorry, S Smesny, G P Amminger
A high proportion of individuals deemed at elevated risk for psychosis will actually never progress to develop the illness. Pharmaceutical intervention may not be necessary in these cases, and may in fact be damaging depending on the invasiveness of the treatment strategy. This highlights the need for biomarkers that are better able to reliably differentiate between at-risk individuals who will subsequently transition to psychosis and those who will not. Low glutathione (GSH) levels have been observed in schizophrenia and in patients with first-episode psychosis...
March 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28321200/the-importance-of-metamemory-functioning-to-the-pathogenesis-of-psychosis
#7
REVIEW
Sarah Eisenacher, Mathias Zink
Many studies up to date have implied that biases in the metacognition of memory, so called metamemory, contribute to the development and maintenance of positive symptoms in schizophrenia. However, no study exists which has longitudinally followed patients experiencing positive symptoms. The present article therefore reviews cross-sectional studies on retrospective metamemory abilities in participants within different stages of a schizophrenia spectrum disorder, with heterogeneous symptom severities, creating a pseudo-longitudinal overview...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28319786/lower-cardiorespiratory-fitness-is-associated-with-more-time-spent-sedentary-in-first-episode-psychosis-a-pilot-study
#8
Davy Vancampfort, Marc De Hert, Inez Myin-Germeys, Ruud van Winkel, Joseph Firth, Tine Van Damme, Michel Probst
Patients with a psychotic disorder show lower cardiorespiratory fitness and higher mortality rates compared to healthy individuals. The aim of this cross-sectional study was to explore whether in patients with first-episode psychosis a low cardiorespiratory fitness is associated with decreased physical activity and increased sedentary levels. Twenty-nine outpatients (21 men; 22.8±5.1 years) performed a maximal exercise test to assess their maximum oxygen uptake (VO2max), wore a Senswear armband for five consecutive days and were assessed with the Positive and Negative Syndrome Scale...
March 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28318837/innovations-in-first-episode-psychosis-interventions-the-case-for-a-raise-plus-approach
#9
Emily Kline, Matcheri Keshavan
Several papers in the current issue of Schizophrenia Research show evidence supporting interventions that are not yet grouped with standard care practices in FEP. Taken together, these studies make the case for a more inclusive approach for early psychosis care than what is embodied in RAISE. Although providing all interventions to all patients, however, will be impractical and expensive, a personalized approach to such interventions, whereby the appropriate interventions are implemented in a phase specific and individually tailored manner after a careful assessment of each person's core deficits within a coordinated specialty care model, is likely to improve lives and be cost-effective...
March 17, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28314681/duration-and-frequency-mismatch-negativity-shows-no-progressive-reduction-in-early-stages-of-psychosis
#10
Daisuke Koshiyama, Kenji Kirihara, Mariko Tada, Tatsuya Nagai, Shinsuke Koike, Motomu Suga, Tsuyoshi Araki, Kiyoto Kasai
The auditory mismatch negativity (MMN) is a component of event-related potentials, which is being increasingly recognized as a candidate biomarker for early stages of psychosis. Although previous cross-sectional studies have demonstrated small MMN amplitude in early stages of psychosis, it remains unknown whether small MMN amplitude is due to progressive reduction during the early course. In this study, we investigated longitudinal changes of MMN in early stages of psychosis. Participant included 14 patients with first-episode psychosis (FEP), 16 individuals with ultra-high risk (UHR), and 16 healthy control subjects (HC)...
March 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28302703/predictors-and-moderators-of-treatment-outcome-in-patients-receiving-multi-element-psychosocial-intervention-for-early-psychosis-results-from-the-get-up-pragmatic-cluster-randomised-controlled-trial
#11
Antonio Lasalvia, Chiara Bonetto, Jacopo Lenzi, Paola Rucci, Laura Iozzino, Massimo Cellini, Carla Comacchio, Doriana Cristofalo, Armando D'Agostino, Giovanni de Girolamo, Katia De Santi, Daniela Ghigi, Emanuela Leuci, Maurizio Miceli, Anna Meneghelli, Francesca Pileggi, Silvio Scarone, Paolo Santonastaso, Stefano Torresani, Sarah Tosato, Angela Veronese, Angelo Fioritti, Mirella Ruggeri
BackgroundThe GET UP multi-element psychosocial intervention proved to be superior to treatment as usual in improving outcomes in patients with first-episode psychosis (FEP). However, to guide treatment decisions, information on which patients may benefit more from the intervention is warranted.AimsTo identify patients' characteristics associated with (a) a better treatment response regardless of treatment type (non-specific predictors), and (b) a better response to the specific treatment provided (moderators)...
March 16, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28302395/social-cognition-psychometric-evaluation-scope-in-people-with-early-psychosis-a-preliminary-study
#12
Kelsey A Ludwig, Amy E Pinkham, Philip D Harvey, Skylar Kelsven, David L Penn
Social cognition is an important outcome in schizophrenia research. Unfortunately, there has been a lack of consensus regarding which measures of social cognition best capture this domain of functioning. The Social Cognition Psychometric Evaluation (SCOPE) study was developed to address the need for a battery of measures that have sound psychometric properties and can be implemented in clinical trials for individuals with chronic schizophrenia. The current study expands upon the SCOPE study by examining the psychometric properties of the eight candidate measures administered to individuals early in the course of psychosis...
March 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28294477/identifying-neurocognitive-markers-for-outcome-prediction-of-global-functioning-in-ultra-high-risk-for-psychosis-and-first-episode-psychosis
#13
Kingo Sawada, Akiko Kanehara, Satoshi Eguchi, Mariko Tada, Yoshihiro Satomura, Motomu Suga, Shinsuke Koike, Kiyoto Kasai
AIM: There is an increasing need for identifying neurocognitive predictors of global functional outcome in early psychosis toward optimizing early intervention strategy. METHODS: We conducted a longitudinal observational study to investigate an association between neurocognitive assessments at baseline and global functional outcome at an average of one-year follow-up. Participants included ultra-high-risk for psychosis (UHR) individuals who had not converted to psychosis during the follow-up period (UHR-NP), and those with first-episode psychosis (FEP) individuals...
March 14, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28294137/relationship-between-duration-of-untreated-psychosis-and-intrinsic-corticostriatal-connectivity-in-patients-with-early-phase-schizophrenia
#14
Deepak K Sarpal, Delbert G Robinson, Christina Fales, Todd Lencz, Miklos Argyelan, Katherine H Karlsgodt, Juan A Gallego, Majnu John, John M Kane, Philip R Szeszko, Anil K Malhotra
Patients with first-episode psychosis experience psychotic symptoms for a mean of up to two years prior to initiation of treatment, and long duration of untreated psychosis (DUP) is associated with poor clinical outcomes. Meanwhile, evidence compiled from numerous studies suggests that longer DUP is not associated with structural brain abnormalities. To date, few studies have examined the relationship between DUP and functional neuroimaging measures. In the present study, we used seed-based resting-state functional connectivity to examine the impact of DUP on corticostriatal circuitry...
March 15, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28291969/impact-of-stress-response-in-development-of-first-episode-psychosis-in-schizophrenia-an-overview-of-systematic-reviews
#15
Linda Rossini Gajsak, Andrea Gelemanovic, Martina Rojnic Kuzman, Livia Puljak
BACKGROUND: To summarize all available evidence from systematic reviews about the impact of stress response in development of first-episode psychosis (FEP) in schizophrenia. METHODS: An overview of systematic reviews of any type of primary studies was performed. An electronic search of five databases was conducted in February 2017 (CDSR, DARE, Embase, MEDLINE and PsychINFO). Quality of included systematic reviews was assessed using the AMSTAR checklist. RESULTS: Eight systematic reviews were included...
March 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28291864/sex-specific-cognitive-abnormalities-in-early-onset-psychosis
#16
Miguel Ruiz-Veguilla, Josefa Moreno-Granados, Maria D Salcedo-Marin, Maria L Barrigon, Maria J Blanco-Morales, Evelio Igunza, Anselmo Cañabate, Maria D Garcia, Teresa Guijarro, Francisco Diaz-Atienza, Maite Ferrin
Objectives: Brain maturation differs depending on the area of the brain and sex. Girls show an earlier peak in maturation of the prefrontal cortex. Although differences between adult females and males with schizophrenia have been widely studied, there has been less research in girls and boys with psychosis. The purpose of this study was to examine differences in verbal and visual memory, verbal working memory, auditory attention, processing speed, and cognitive flexibility between boys and girls...
January 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/28289277/csf-gaba-is-reduced-in-first-episode-psychosis-and-associates-to-symptom-severity
#17
F Orhan, H Fatouros-Bergman, M Goiny, A Malmqvist, F Piehl, S Cervenka, K Collste, P Victorsson, C M Sellgren, L Flyckt, S Erhardt, G Engberg
Schizophrenia is characterized by a multiplicity of symptoms arising from almost all domains of mental function. γ-Aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain and is increasingly recognized to have a significant role in the pathophysiology of the disorder. In the present study, cerebrospinal fluid (CSF) concentrations of GABA were analyzed in 41 first-episode psychosis (FEP) patients and 21 age- and sex-matched healthy volunteers by high-performance liquid chromatography...
March 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28285148/acute-variations-of-cytokine-levels-after-antipsychotic-treatment-in-drug-na%C3%A3-ve-subjects-with-a-first-episode-psychosis-a-meta-analysis
#18
REVIEW
Enrico Capuzzi, Francesco Bartoli, Cristina Crocamo, Massimo Clerici, Giuseppe Carrà
Schizophrenia is likely to be associated with immunological abnormalities. However, antipsychotics may induce immunomodulatory effects, by influencing plasma cytokines. In order to distinguish these influences, we carried out a systematic review and meta-analysis exploring the acute effect of antipsychotics on candidate cytokines plasma levels (IL-1β, IL-2, IL-6, IL-17, IFN-γ, TNF-α) among drug-naïve subjects with first episode psychosis. We searched main Electronic Databases, identifying eight studies meeting our inclusion criteria...
March 8, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28277310/antipsychotic-medication-and-remission-of-psychotic-symptoms-10years-after-a-first-episode-psychosis
#19
Regitze Sølling Wils, Ditte Resendal Gotfredsen, Carsten Hjorthøj, Stephen F Austin, Nikolai Albert, Rikke Gry Secher, Anne Amalie Elgaard Thorup, Ole Mors, Merete Nordentoft
BACKGROUND: Several national guidelines recommend continuous use of antipsychotic medication after a psychotic episode in order to minimize the risk of relapse. However some studies have identified a subgroup of patients who obtain remission of psychotic symptoms while not being on antipsychotic medication for a period of time. This study investigated the long-term outcome and characteristics of patients in remission of psychotic symptoms with no use of antipsychotic medication at the 10-year follow-up...
October 27, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/28262436/gene-environment-interaction-as-a-predictor-of-early-adjustment-in-first-episode-psychosis
#20
David Fraguas, Covadonga M Díaz-Caneja, Iluminada Corripio, Ana González-Pinto, Antonio Lobo, Miquel Bioque, Manuel J Cuesta, Julio Sanjuán, Elisa Rodríguez-Toscano, Bárbara Arias, Salvador Sarró, Bibiana Cabrera, Antoni Bulbena, Eduard Vieta, Josefina Castro-Fornieles, Celso Arango, Miquel Bernardo, Mara Parellada
BACKGROUND: This study aims to explore the gene-environment interaction hypothesis applied to pre-symptomatic neurodevelopmental phenotypes of first episode psychosis (FEP), that is, genetic factors might increase vulnerability to the effects of environmental adverse conditions occurring at later stages of development. METHODS: We constructed a schematic 'two-hit' model, with Val/Val homozygosity for the catechol-O-methyltransferase (COMT) Val158Met polymorphism as the 'first hit' and history of obstetric complications and parental socioeconomic status as 'second hits'...
March 2, 2017: Schizophrenia Research
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