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Schizoaffective disorder

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https://www.readbyqxmd.com/read/27909826/profile-and-determinants-of-disability-in-psychotic-disorders-in-nigeria
#1
Victor Olufolahan Lasebikan, Olatunde Ayinde
We compared profile and predictors of disability among 210 patients with schizophrenia, schizoaffective disorder, bipolar I disorder with psychosis and depression with psychosis, respectively in a Nigerian clinical population, using the WHO Disability Assessment Schedule, (2.0). Severity of psychosis was determined with Positive and Negative Symptoms Scale, functioning was assessed using the Global Assessment of Functioning Scale, medication adherence with the Medication Adherence Questionnaire. Analyses were by SPSS 20...
December 1, 2016: Community Mental Health Journal
https://www.readbyqxmd.com/read/27898432/the-impact-of-paliperidone-palmitate-long-acting-injection-on-hospital-admissions-in-a-mental-health-setting
#2
Nikola Nikolić, Natalie Page, Adil Akram, Maha Khan
We screened 216 patients in a retrospective observational investigator-initiated study, of whom 45.37% patients (n=98) were retained after the inclusion criteria were applied. These patients had been prescribed paliperidone palmitate long-acting injection (PPLAI) with diagnoses of schizophrenia, schizoaffective disorder and bipolar affective disorder. We investigated whether PPLAI has an effect on the frequency and length of admissions to mental health inpatient units, the number of contacts with Crisis Resolution Home Treatment Teams (CRHTT) and frequency of home visits by the CRHTT per patient, over 6 years, split using a 'mirror image' method...
November 24, 2016: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27886638/preliminary-evidence-that-negative-symptom-severity-relates-to-multilocus-genetic-profile-for-dopamine-signaling-capacity-and-d2-receptor-binding-in-healthy-controls-and-in-schizophrenia
#3
Sarah A Eisenstein, Ryan Bogdan, Ling Chen, Stephen M Moerlein, Kevin J Black, Joel S Perlmutter, Tamara Hershey, Deanna M Barch
Deficits in central, subcortical dopamine (DA) signaling may underlie negative symptom severity, particularly anhedonia, in healthy individuals and in schizophrenia. To investigate these relationships, we assessed negative symptoms with the Schedule for the Assessment of Negative Symptoms and the Brief Negative Symptom Scale (BNSS) and self-reported anhedonia with the Scales for Physical and Social Anhedonia (SPSA), Temporal Experience of Pleasure Scale, and Snaith-Hamilton Pleasure Scale in 36 healthy controls (HC), 27 siblings (SIB) of individuals with schizophrenia, and 66 individuals with schizophrenia or schizoaffective disorder (SCZ)...
November 17, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27884042/valproate-for-schizophrenia
#4
REVIEW
Yijun Wang, Jun Xia, Bartosz Helfer, Chunbo Li, Stefan Leucht
BACKGROUND: Many people with schizophrenia do not achieve a satisfactory treatment response with ordinary antipsychotic drug treatment. In these cases, various add-on medications are used, and valproate is one of these. OBJECTIVES: To examine whether:1. valproate alone is an effective treatment for schizophrenia and schizoaffective psychoses; and2. valproate augmentation of antipsychotic medication is an effective treatment for the same illnesses. SEARCH METHODS: We searched the Cochrane Schizophrenia Group's Study-Based Register of Trials (July 2002; February 2007; July 2012; March 04, 2016)...
November 24, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27881965/fundamental-role-of-methylenetetrahydrofolate-reductase-677-c%C3%A2-%C3%A2-%C3%A2-t-genotype-and-flavin-compounds-in-biochemical-phenotypes-for-schizophrenia-and-schizoaffective-psychosis
#5
Stephanie Fryar-Williams
The Mental Health Biomarker Project (2010-2016) explored variables for psychosis in schizophrenia and schizoaffective disorder. Blood samples from 67, highly characterized symptomatic cases and 67 gender and age matched control participants were analyzed for methyl tetrahydrofolate reductase (MTHFR) 677C → T gene variants and for vitamin B6, B12 and D, folate, unbound copper, zinc cofactors for enzymes in the methylation cycle, and related catecholamine pathways. Urine samples were analyzed for indole-catecholamines, their metabolites, and oxidative-stress marker, hydroxylpyrolline-2-one (HPL)...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27877142/the-proximity-between-hallucination-and-delusion-dimensions-an-observational-analytic-cross-sectional-multicentre-study
#6
Diogo Telles-Correia, Ana L Moreira, João Gama Marques, Sérgio Saraiva, Cátia A Moreira, Filipa Antunes, Carolina Almeida, Nuno B Rocha
In psychiatric classifications, hallucinations (mainly auditory hallucinations) are one of the fundamental criteria for establishing a schizophrenia diagnosis or any of the related psychotic disorder's diagnoses. The conceptual proximity between delusions and hallucinations was maintained until the end of the XIX century, with several supporters during the XX century. Their limits were not yet definitely defined in terms of Descriptive Psychopathology, and much less so in terms of biochemical and anatomical models...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27876020/the-brief-negative-symptom-scale-validation-of-the-german-translation-and-convergent-validity-with-self-rated-anhedonia-and-observer-rated-apathy
#7
Martin Bischof, Caitriona Obermann, Matthias N Hartmann, Oliver M Hager, Matthias Kirschner, Agne Kluge, Gregory P Strauss, Stefan Kaiser
BACKGROUND: Negative symptoms are considered core symptoms of schizophrenia. The Brief Negative Symptom Scale (BNSS) was developed to measure this symptomatic dimension according to a current consensus definition. The present study examined the psychometric properties of the German version of the BNSS. To expand former findings on convergent validity, we employed the Temporal Experience Pleasure Scale (TEPS), a hedonic self-report that distinguishes between consummatory and anticipatory pleasure...
November 22, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27871263/perceived-needs-and-health-related-quality-of-life-in-people-with-schizophrenia-and-metabolic-syndrome-a-real-world-study
#8
Leticia Medeiros-Ferreira, José Blas Navarro-Pastor, Antonio Zúñiga-Lagares, Rosanna Romaní, Elisenda Muray, Jordi E Obiols
BACKGROUND: The complexity of schizophrenia lies in the combination of psychiatric, somatic and social needs requiring care. The aim of the study was to compare perceived needs between groups with absence/presence of metabolic syndrome (MetS) and to analyze the relationship between needs, health-related quality of life (HRQoL) and MetS in people with schizophrenia or schizoaffective disorder. METHODS: A "real-world" cross-sectional study was set up with a comprehensive framework including the following, needs for care (Camberwell Assessment of Need Interview [CAN]), HRQoL (Euro Qol-5D Questionnaire), sociodemographic data, lifestyle habits, psychopathology (Positive And Negative Syndrome Scale [PANSS]), global functioning (Global Assessment of Functioning Scale [GAF]), anthropometric measurements and blood test results were assessed for an outpatient sample (n = 60)...
November 21, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27867940/oxytocin-receptor-oxtr-methylation-and-cognition-in-psychotic-disorders
#9
Tyler B Grove, Kyle J Burghardt, A Zarina Kraal, Ryan J Dougherty, Stephan F Taylor, Vicki L Ellingrod
Previous reports have identified an association between cognitive impairment and genetic variation in psychotic disorders. In particular, this association may be related to abnormal regulation of genes responsible for broad cognitive functions such as the oxytocin receptor (OXTR). Within psychotic disorders, it is unknown if OXTR methylation, which can have important implications for gene regulation, is related to cognitive function. The current study examined peripheral blood OXTR methylation and general cognition in people with schizophrenia, schizoaffective disorder, and psychotic disorder not otherwise specified (N = 101)...
October 2016: Molecular Neuropsychiatry
https://www.readbyqxmd.com/read/27855565/impact-of-histamine-receptors-h1-and-h3-polymorphisms-on-antipsychotic-induced-weight-gain
#10
Arun K Tiwari, Danning Zhang, Jennie G Pouget, Clement C Zai, Nabilah I Chowdhury, Eva J Brandl, Li Qin, Natalie Freeman, Jeffrey A Lieberman, Herbert Y Meltzer, James L Kennedy, Daniel J Müller
OBJECTIVES: A positive correlation between antipsychotic-induced weight gain (AIWG) and antipsychotic drugs' antagonist effect at histamine H1 receptor (HRH1) as well as agonist effect at histamine H3 receptor (HRH3) in the brain has been consistently demonstrated. We investigated the potential impact of single-nucleotide polymorphisms (SNPs) in HRH1 and HRH3 genes on AIWG. METHODS: We analysed 40 tagSNPs in HRH1 (n = 34) and HRH3 (n = 6) in schizophrenia/schizoaffective disorder patients (n = 193) primarily treated with clozapine or olanzapine for up to 14 weeks...
November 18, 2016: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/27848117/capgras-syndrome-in-parkinson-s-disease-two-new-cases-and-literature-review
#11
REVIEW
Antonino Cannas, Mario Meloni, Marcello Mario Mascia, Paolo Solla, Luigi Cocco, Antonella Muroni, Gianluca Floris, Francesca Di Stefano, Francesco Marrosu
The Capgras syndrome (CS) is a rare psychiatric disorder. CS is classified as a delusional misidentification syndrome. Initially, CS was described in paranoid schizophrenia and schizoaffective disorders. CS has also been reported in neurodegenerative diseases such as Alzheimer's disease and Lewy body dementia. To date, there are very few descriptions of the occurrence of CS in idiopathic Parkinson's disease (PD), with or without dementia. Considering the recent observation of two new cases in PD patients, a systematic overview of the literature published between 1976 and 2016 reporting CS in PD was conducted...
November 15, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27846841/integrative-transcriptome-network-analysis-of-ipsc-derived-neurons-from-schizophrenia-and-schizoaffective-disorder-patients-with-22q11-2-deletion
#12
Mingyan Lin, Erika Pedrosa, Anastasia Hrabovsky, Jian Chen, Benjamin R Puliafito, Stephanie R Gilbert, Deyou Zheng, Herbert M Lachman
BACKGROUND: Individuals with 22q11.2 Deletion Syndrome (22q11.2 DS) are a specific high-risk group for developing schizophrenia (SZ), schizoaffective disorder (SAD) and autism spectrum disorders (ASD). Several genes in the deleted region have been implicated in the development of SZ, e.g., PRODH and DGCR8. However, the mechanistic connection between these genes and the neuropsychiatric phenotype remains unclear. To elucidate the molecular consequences of 22q11.2 deletion in early neural development, we carried out RNA-seq analysis to investigate gene expression in early differentiating human neurons derived from induced pluripotent stem cells (iPSCs) of 22q11...
November 15, 2016: BMC Systems Biology
https://www.readbyqxmd.com/read/27845315/-agomelatine-valdoxan-in-treatment-of-endogenous-depression-in-day-patient-department
#13
E V Chernova, O V Kozhechkina, A Yu Ter-Israelyan, V E Medvedev
AIM: Naturalistic psychopharmacological study of efficacy and tolerability of agomelatine (valdoxan) in treatment of endogenous depressions (in the framework of schizophrenia, schizoaffective and bipolar disorder) in day patient department. MATERIAL AND METHODS: Study sample consisted of 37 patient (59.4% female, mean age 41.6±3.7 years). RESULTS AND CONCLUSION: CDS total score significantly reduced after 8 weeks of treatment 44.9% compared to baseline (р<0...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27833939/probabilistic-reinforcement-learning-in-patients-with-schizophrenia-relationships-to-anhedonia-and-avolition
#14
Erin C Dowd, Michael J Frank, Anne Collins, James M Gold, Deanna M Barch
BACKGROUND: Anhedonia (a reduced experience of pleasure) and avolition (a reduction in goal-directed activity) are common features of schizophrenia that have substantial effects on functional outcome, but are poorly understood and treated. Here, we examined whether alterations in reinforcement learning may contribute to these symptoms in schizophrenia by impairing the translation of reward information into goal-directed action. METHODS: 38 stable outpatients with schizophrenia or schizoaffective disorder and 37 healthy controls underwent fMRI during a probabilistic stimulus selection reinforcement learning task with dissociated choice- and feedback-related activation, followed by a behavioral transfer task allowing separate assessment of learning from positive versus negative outcomes...
September 2016: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/27829400/is-schizophrenia-disappearing-the-rise-and-fall-of-the-diagnosis-of-functional-psychoses-an-essay
#15
Per Bergsholm
BACKGROUND: The categories of functional psychoses build on views of influential professionals. There have long been four main categories - affective, schizophrenic, schizoaffective/cycloid/reactive/polymorphic, and delusional/paranoid psychoses. The last three are included in "psychotic disorders". However, this dichotomy and the distinctions between categories may have been over-estimated and contributed to lack of progress. TEN TOPICS RELEVANT FOR THE DIAGNOSIS OF FUNCTIONAL PSYCHOSES: 1...
November 9, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27829096/cognitive-subtypes-of-schizophrenia-characterized-by-differential-brain-volumetric-reductions-and-cognitive-decline
#16
Danielle Weinberg, Rhoshel Lenroot, Isabella Jacomb, Katherine Allen, Jason Bruggemann, Ruth Wells, Ryan Balzan, Dennis Liu, Cherrie Galletly, Stanley V Catts, Cynthia Shannon Weickert, Thomas W Weickert
Importance: Cognitively distinct subgroups of schizophrenia have been defined based on premorbid and current IQ, but little is known about the neuroanatomical differences among these cognitive subgroups. Objectives: To confirm previous findings related to IQ-based subgroups of patients with schizophrenia in an independent sample and extend those findings to determine the extent to which brain volumetric differences correspond to the IQ-based subgroups. Design, Setting, and Participants: A total of 183 participants were assessed at the outpatient settings of Neuroscience Research Australia and Lyell McEwin Hospital from September 22, 2009, to August 1, 2012...
November 9, 2016: JAMA Psychiatry
https://www.readbyqxmd.com/read/27825156/psychopathological-course-typology-in-schizophrenia-spectrum-disorders-a-heuristic-approach-in-a-sample-of-100-patients
#17
Moritz E Wigand, Fabian U Lang, Thomas Becker, Thomas G Schulze, Werner Strik, Markus Jäger
BACKGROUND: Despite several previous attempts at subtyping schizophrenia, a typology that reflects neurobiological knowledge and reliably predicts course and outcome is lacking. We applied the system-specific concept of the Bern Psychopathology Scale (BPS) to generate a course typology based on three domains: language, affectivity, and motor behaviour. SAMPLING AND METHODS: A cohort of 100 patients with schizophrenia or schizoaffective disorders according to DSM-IV criteria underwent psychopathological assessment, and all their available medical records were retrospectively analysed on the basis of the BPS...
November 9, 2016: Psychopathology
https://www.readbyqxmd.com/read/27818077/altered-growth-trajectory-of-head-circumference-during-infancy-and-schizophrenia-in-a-national-birth-cohort
#18
Alan S Brown, David Gyllenberg, Susanna Hinkka-Yli-Salomäki, Andre Sourander, Ian W McKeague
Identification of abnormalities in the developmental trajectory during infancy of future schizophrenia cases offers the potential to reveal pathogenic mechanisms of this disorder. Previous studies of head circumference in pre-schizophrenia were limited to measures at birth. The use of growth acceleration of head circumference (defined as the rate of change in head circumference) provides a more informative representation of the maturational landscape of this measure compared to studies based on static head circumference measures...
November 4, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27816847/gender-matters-in-schizophrenia-spectrum-disorders-results-from-a-healthcare-users-epidemiological-study-in-malaga-spain
#19
Eleni Petkari, Fermín Mayoral, Berta Moreno-Küstner
PURPOSE: Women suffering from schizophrenia-spectrum disorders may differ from men in clinical course and outcome. Still, those differences can only be portrayed accurately by means of studies that derive information from multiple sources. One such study was performed in a well-defined area supported by a Mental Health Clinical Management Unit in Malaga, Spain. METHODS: Data from 1640 patients (1048 men and 592 women) that were in contact with services during 2008 were examined for the purpose of the present analysis...
January 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27814962/neural-complexity-as-a-potential-translational-biomarker-for-psychosis
#20
Brandon Hager, Albert C Yang, Roscoe Brady, Shashwath Meda, Brett Clementz, Godfrey D Pearlson, John A Sweeney, Carol Tamminga, Matcheri Keshavan
BACKGROUND: The adaptability of the human brain to the constantly changing environment is reduced in patients with psychotic disorders, leading to impaired cognitive functions. Brain signal complexity, which may reflect adaptability, can be readily quantified via resting-state functional magnetic resonance imaging (fMRI) signals. We hypothesized that resting-state brain signal complexity is altered in psychotic disorders, and is correlated with cognitive impairment. METHODS: We assessed 156 healthy controls (HC) and 330 probands, including 125 patients with psychotic bipolar disorder (BP), 107 patients with schizophrenia (SZ), 98 patients with schizoaffective disorder (SAD) and 230 of their unaffected first-degree relatives (76 BPR, 79 SADR, and 75 SZR) from four sites of the Bipolar-Schizophrenia Network on Intermediate Phenotypes (B-SNIP) consortium...
October 26, 2016: Journal of Affective Disorders
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