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Psychotic disorders

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https://www.readbyqxmd.com/read/28526280/an-overview-of-medical-risk-factors-for-childhood-psychosis-implications-for-research-and-treatment
#1
REVIEW
Marianna Giannitelli, Angèle Consoli, Marie Raffin, Renaud Jardri, Douglas F Levinson, David Cohen, Claudine Laurent-Levinson
OBJECTIVE: Psychotic disorders in childhood and early adolescence often progress to chronic schizophrenia, but in many cases there are diagnosable medical and genetic causes or risk factors. We reviewed our clinical experience and the relevant literature to identify these factors and to define their clinical features, appropriate work-up and treatment. METHOD: We reviewed the results of comprehensive medical evaluations of 160 psychotic children and adolescents in our center...
May 16, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28525603/genome-wide-association-study-of-psychosis-proneness-in-the-finnish-population
#2
Alfredo Ortega-Alonso, Jesper Ekelund, Antti-Pekka Sarin, Jouko Miettunen, Juha Veijola, Marjo-Riitta Järvelin, William Hennah
The current study examined quantitative measures of psychosis proneness in a nonpsychotic population, in order to elucidate their underlying genetic architecture and to observe if there is any commonality to that already detected in the studies of individuals with overt psychotic conditions, such as schizophrenia and bipolar disorder. Heritability, univariate and multivariate genome-wide association (GWAs) tests, including a series of comprehensive gene-based association analyses, were developed in 4269 nonpsychotic persons participating in the Northern Finland Birth Cohort 1966 study with information on the following psychometric measures: Hypomanic Personality, Perceptual Aberration, Physical and Social Anhedonia (also known as Chapman's Schizotypia scales), and Schizoidia scale...
May 19, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28523839/algorithm-based-pharmacotherapy-for-first-episode-schizophrenia-involuntarily-hospitalized-a-retrospective-analysis-of-real-world-practice
#3
Bunta Yoshimura, Kojiro Sato, Manabu Takaki, Norihito Yamada
BACKGROUND: Little is known about the clinical outcomes of severely ill patients with first-episode schizophrenia spectrum disorders (FES) who are considered to lack the capacity to consent to clinical trials. We investigated the feasibility of an algorithm-based pharmacotherapy (ABP) and clinical outcomes of patients with FES involuntarily hospitalized and treated with ABP. METHODS: We conducted a retrospective chart review of 160 patients admitted involuntarily between October 2012 and October 2015...
May 19, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28522405/challenges-and-opportunities-for-the-development-of-new-antipsychotic-drugs
#4
REVIEW
Carlos Forray, Raimund Buller
In spite of the significant impact that the serendipitous discovery of drugs with antipsychotic properties had on the care of patients with psychotic disorders, there are significant challenges when aiming at therapeutic goals such as remission, recovery, improved health-related quality of life and functioning. The efficacy and effectiveness of existing antipsychotic drugs fail to address the full spectrum of symptoms and functional deficits that currently prevent patients with psychotic disorders from achieving fulfilling lives...
May 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28521056/ethnic-minority-status-age-at-immigration-and-psychosis-risk-in-rural-environments-evidence-from-the-sepea-study
#5
James B Kirkbride, Yasir Hameed, Konstantinos Ioannidis, Gayatri Ankireddypalli, Carolyn M Crane, Mukhtar Nasir, Nikolett Kabacs, Antonio Metastasio, Oliver Jenkins, Ashkan Espandian, Styliani Spyridi, Danica Ralevic, Suneetha Siddabattuni, Ben Walden, Adewale Adeoye, Jesus Perez, Peter B Jones
Objective: Several ethnic minority groups experience elevated rates of first-episode psychosis (FEP), but most studies have been conducted in urban settings. We investigated whether incidence varied by ethnicity, generation status, and age-at-immigration in a diverse, mixed rural, and urban setting. Method: We identified 687 people, 16-35 years, with an ICD-10 diagnosis of FEP, presenting to Early Intervention Psychosis services in the East of England over 2 million person-years...
May 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28521049/22q11-2-deletion-syndrome-is-associated-with-impaired-auditory-steady-state-gamma-response
#6
Kit Melissa Larsen, Giovanni Pellegrino, Michelle Rosgaard Birknow, Trine Nørgaard Kjær, William Frans Christiaan Baaré, Michael Didriksen, Line Olsen, Thomas Werge, Morten Mørup, Hartwig Roman Siebner
Background: The 22q11.2 deletion syndrome confers a markedly increased risk for schizophrenia. 22q11.2 deletion carriers without manifest psychotic disorder offer the possibility to identify functional abnormalities that precede clinical onset. Since schizophrenia is associated with a reduced cortical gamma response to auditory stimulation at 40 Hz, we hypothesized that the 40 Hz auditory steady-state response (ASSR) may be attenuated in nonpsychotic individuals with a 22q11.2 deletion...
May 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28517969/prevalence-and-determinants-of-depression-among-patients-under-the-care-of-traditional-health-practitioners-in-a-kenyan-setting-policy-implications
#7
Christine W Musyimi, Victoria N Mutiso, Abednego M Musau, Lydia K Matoke, David M Ndetei
In Kenya, there is paucity of information on depression among traditional health practitioner (THP) patients, particularly in rural areas. The aim of this study was to estimate prevalence and identify determinants of major depressive disorder (MDD) among patients of THP in rural Kenya using the World Health Organization (WHO) Mental Health Gap Action Programme Intervention Guideline (mhGAP-IG). All adult patients seeking care from trained THPs (either traditional healers such as diviners and herbalists or faith healers, who use treatments such as prayers, laying hands on patients, or providing holy water and ash to their patients) over a period of 3 months (September 2014 to November 2014) were screened for depression using mhGAP-IG and their sociodemographic characteristics recorded...
January 1, 2017: Transcultural Psychiatry
https://www.readbyqxmd.com/read/28517032/novel-psychoactive-substance-consumption-is-more-represented-in-bipolar-disorder-than-in-psychotic-disorders-a-multicenter-observational-study
#8
Tiziano Acciavatti, Matteo Lupi, Rita Santacroce, Andrea Aguglia, Luigi Attademo, Laura Bandini, Paola Ciambrone, Giulia Lisi, Giovanni Migliarese, Federica Pinna, Diego Quattrone, Michele Ribolsi, Maria Salvina Signorelli, Salvatore Calò, Fabrizio Schifano, Massimo di Giannantonio, Giovanni Martinotti
OBJECTIVE: Comorbidities between psychiatric diseases and use of traditional substances of abuse are common. Nevertheless, there are few data regarding the use of novel psychoactive substances (NPS) among psychiatric patients. Aim of this multicentre survey is to investigate the consumption of a number of psychoactive substances in a young psychiatric sample. METHODS: Between December 2013 and September 2015, a questionnaire was administered in 10 Italian psychiatric care facilities to a sample of 671 patients, aged 18-26 (mean age 22...
May 18, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28515559/arachnoid-cyst-and-psychosis-the-troublemaker-or-innocent-bystander
#9
Soumitra Das, Arjun Kartha, Sumesh Thoppil Purushothaman, Varun Rajan
Organic underpinning of a psychotic disturbance is often missed. Arachnoid cysts are considered a rare neurological tumor, few of which exhibit any symptomatology. In most cases, they are diagnosed by accident. Literature regarding the coexistence of arachnoid cysts with psychiatric disorders is sparse. Here, we present a case who presented with a typical presentation of psychosis which was not enough for suspecting for an organic etiology.
March 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28511824/psychiatric-disorders-and-pruritus
#10
Helen Gin Lee, Carolyn Stull, Gil Yosipovitch
The skin and psyche are intimately related with various skin diseases caused by or resulting in psychiatric disturbances. Pruritus is a commonly reported symptom in psychiatric patients, and likewise psychiatric co-morbidities, including anxiety and depression, are frequently seen in chronic pruritus patients. Primary psychodermatologic conditions, such as somatic symptom disorder, dermatitis artefacta, obsessive-compulsive and related disorders (excoriation disorder and prurigo nodularis), delusional infestation, and substance use disorder, can all induce significant pruritus in patients, severely affecting their quality of life...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28511562/a-review-of-cognitive-remediation-approaches-for-schizophrenia-from-top-down-to-bottom-up-brain-training-to-psychotherapy
#11
Michael W Best, Christopher R Bowie
Individuals with psychotic disorders experience profound impairment in neurocognition, which is consistently found to be the best predictor of independent community functioning. Several diverse behavioural treatments designed to enhance neurocognitive abilities have been developed, with subtle to stark differences among them. Various approaches, to varying degrees, have demonstrated success across diffuse outcomes: improved brain structure and function, performance on neuropsychological tests, and community activities associated with daily living...
May 16, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28510708/aberrant-white-matter-microstructure-in-children-and-adolescents-with-the-subtype-of-prader-willi-syndrome-at-high-risk-for-psychosis
#12
Akvile Lukoshe, Gerbrich E van den Bosch, Aad van der Lugt, Steven A Kushner, Anita C Hokken-Koelega, Tonya White
Prader-Willi Syndrome (PWS) is a complex neurogenetic disorder caused by loss of the paternal 15q11.2-q13 locus, due to deletion (DEL), maternal uniparental disomy (mUPD), or imprinting center defects. Individuals with mUPD have up to 60% risk of developing psychosis in early adulthood. Given the increasing evidence for white matter abnormalities in psychotic disorders, we investigated white matter microstructure in children and adolescents with PWS, with a particular emphasis on the DEL and mUPD subtypes. Magnetic resonance diffusion weighted images were acquired in 35 directions at 3T and analyzed using fractional anisotropy (FA), mean, axial, and radial diffusivity (MD, AD, RD) values obtained by tract-based spatial statistics (TBSS) in 28 children and adolescents with PWS and 61 controls...
May 16, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28509391/common-mental-disorder-including-psychotic-experiences-trailblazing-a-new-recovery-pathway-within-the-improving-access-to-psychological-therapies-programme-in-england
#13
Jesus Perez, Debra A Russo, Jan Stochl, James Clarke, Zoe Martin, Christina Jassi, Paul French, David Fowler, Peter B Jones
Psychotic experiences, depressive and anxiety symptoms may be manifestations of a latent continuum of common mental distress. The Improving Access to Psychological Therapies (IAPT) programme has increased the reach of psychological treatments to people with common mental disorders in England. However, psychotic experiences are neither measured nor considered in therapy. We aimed to confirm the presence of psychotic experiences among IAPT service-users and determine whether these experiences are associated with higher depression/anxiety levels and poorer recovery...
May 16, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28506820/seasonal-variation-of-hospital-violence-seclusion-and-restraint-in-a-forensic-psychiatric-hospital
#14
Satu Kuivalainen, Katri Vehviläinen-Julkunen, Olavi Louheranta, Anu Putkonen, Eila Repo-Tiihonen, Jari Tiihonen
Several epidemiological studies have reported seasonal patterns in both violent and self-destructive behaviour. However, a few studies on hospital violence have found contradictory results. The aim of this study was to investigate whether there was any seasonal variation of violence in a forensic psychiatric hospital providing care for persons suffering from psychotic disorders and violent or self-destructive behaviour. Seasonal variation of the prevalence of seclusion and restraint was also investigated. Reports of violent incidents and seclusion and restraint statistics from between 2007 and 2012 were examined with Poisson regression analysis...
May 12, 2017: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/28506705/the-interaction-of-gender-and-cannabis-in-early-phase-psychosis
#15
Candice E Crocker, Philip G Tibbo
Cannabis is the third most common recreational drug used world-wide after tobacco and alcohol. Globally, cannabis legalization is becoming more common. In light of its known link to psychosis development, it is imperative that we are well-informed regarding the impact of cannabis on the course of psychosis, in both males and females. However, the majority of the work to date on the role of cannabis in psychosis outcomes has not had a gender focus, important when considering patient specific treatments. This review examines what is currently known, from gender focused studies, about the interaction of gender, cannabis use and psychotic disorders...
May 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28503106/depression-and-mania-in-bipolar-disorder
#16
Leonardo Tondo, Gustavo H Vázquez, Ross J Baldessarini
BACKGROUND: Episode duration, recurrence rates, and time spent in manic and depressive phases of bipolar disorder (BD) is not well defined for subtypes of the disorder. METHODS: We reviewed the course, timing, and duration of episodes of mania and depression among 1130 clinically treated DSM-IV-TR BD patients of various types, and compared duration and rates as well as total proportion of time in depressive versus manic episodes during 16.7 average years at risk...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28502251/st-john-s-wort-hypericum-perforatum-induced-psychosis-a-case-report
#17
Maria Ferrara, Francesco Mungai, Fabrizio Starace
BACKGROUND: St John's wort (Hypericum perforatum) has been known for centuries for its therapeutic properties and its efficacy as an antidepressant has been confirmed by a growing body of evidence. During the last two decades it has also come to prominence with a wider public, due to advertising efforts across Europe and United States of America. However, its availability without prescription, as an over-the-counter medication, raises some concern regarding its clinical management and unsupervised administration to individuals with psychopathological risks...
May 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28499974/prefrontal-cortical-glutathione-dependent-defense-and-proinflammatory-mediators-in-chronically-isolated-rats-modulation-by-fluoxetine-or-clozapine
#18
Nevena Todorović, Dragana Filipović
Chronic psychosocial stress modulates brain antioxidant systems and causes neuroinflammation that plays a role in the pathophysiology of depression. Although the antidepressant fluoxetine (FLX) represents the first-line treatment for depression and the atypical antipsychotic clozapine (CLZ) is considered as a second-line treatment for psychotic disorders, the downstream mechanisms of action of these treatments, beyond serotonergic or dopaminergic signaling, remain elusive. We examined behavioral changes, glutathione (GSH)-dependent defense and levels of proinflammatory mediators in the prefrontal cortex (PFC) of adult male Wistar rats exposed to 21days of chronic social isolation (CSIS)...
May 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28499768/mortality-in-people-with-psychotic-disorders-in-finland-a-population-based-13-year-follow-up-study
#19
Jaakko Keinänen, Outi Mantere, Niina Markkula, Krista Partti, Jonna Perälä, Samuli I Saarni, Tommi Härkänen, Jaana Suvisaari
OBJECTIVES: We conducted a population based study aiming at finding predictors of mortality in psychotic disorders and evaluating the extent to which sociodemographic, lifestyle and health-related factors explain the excess mortality. METHODS: In a nationally representative sample of Finns aged 30-70years (n=5642), psychotic disorders were diagnosed using structured interviews and medical records in 2000-2001. Information on mortality and causes of death was obtained of those who died by the end of year 2013...
May 9, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28499448/comparison-of-demographic-characteristics-and-psychiatric-comorbidity-among-methamphetamine-heroin-and-methamphetamine-heroin-co-dependent-males-in-hunan-china
#20
Huixi Dong, Mei Yang, Liang Liu, Chenxi Zhang, Mengqi Liu, Yidong Shen, Huanzhong Liu, Wei Hao
BACKGROUND: There is little research of psychiatric comorbidity differences among people with different types of drug dependence in Chinese population. We explored demographic and comorbid psychiatric differences among methamphetamine- dependent males (MDs), heroin-dependent males (HDs) and methamphetamine and heroin co-dependent males (M/HDs) in Hunan province, China. METHODS: A cross-sectional, structured and clinical interview method was used to examine differences in DSM-IV-TR Axis I Disorders among 346 MDs, 698 HDs and 247 M/HDs from three compulsory rehabilitation centers and two voluntary rehabilitation centers in Hunan...
May 12, 2017: BMC Psychiatry
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