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Psychotic disorders

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https://www.readbyqxmd.com/read/29453789/psychotic-experiences-and-religiosity-data-from-the-who-world-mental-health-surveys
#1
V Kovess-Masfety, S Saha, C C W Lim, S Aguilar-Gaxiola, A Al-Hamzawi, J Alonso, G Borges, G de Girolamo, P de Jonge, K Demyttenaere, S Florescu, J M Haro, C Hu, E G Karam, N Kawakami, S Lee, J P Lepine, F Navarro-Mateu, J C Stagnaro, M Ten Have, M C Viana, R C Kessler, J J McGrath
OBJECTIVES: Religiosity is often associated with better health outcomes. The aim of the study was to examine associations between psychotic experiences (PEs) and religiosity in a large, cross-national sample. METHODS: A total of 25 542 adult respondents across 18 countries from the WHO World Mental Health Surveys were assessed for PEs, religious affiliation and indices of religiosity, DSM-IV mental disorders and general medical conditions. Logistic regression models were used to estimate the association between PEs and religiosity with various adjustments...
February 16, 2018: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/29453145/demographic-and-clinical-characteristics-associated-with-a-history-of-bizarre-delusions-in-a-cross-diagnostic-sample-of-individuals-with-psychotic-disorders
#2
Cagri Yuksel, Seheryeli Yilmaz, Ariana Nesbit, Gresa Carkaxhiu, Caitlin Ravichandran, Paola Salvatore, Samira Pingali, Bruce Cohen, Dost Ongur
Bizarre delusions (BizD) are not specific to schizophrenia (SZ) and can be found in other psychotic disorders. However, to date, there are no studies investigating socio-demographic and clinical characteristics associated with BizD across the psychosis spectrum. In this study 819 subjects with a diagnosis of SZ (n = 250), schizoaffective disorder (SZA) (n = 228) and bipolar I disorder (BD) (n = 341) were included. Patients with history of BizD and with no BizD were compared with respect to socidemographic and clinical variables, and predictors of BizD were explored...
February 9, 2018: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29452966/gender-differences-in-the-relationship-of-childhood-trauma-and-the-course-of-illness-in-schizophrenia
#3
Krisztina Kocsis-Bogár, Veronika Mészáros, Dóra Perczel-Forintos
INTRODUCTION: Different types of childhood trauma have been repeatedly shown to contribute to psychotic symptoms. Gender differences in schizophrenia are well known. Some studies argue that trauma history means a significantly higher risk of psychosis for women than men. However, there is evidence of early adverse life events to be associated with higher stress-sensitivity in men. Little is known about the connection of specific type of trauma and specific psychotic symptoms as well as the course of illness with explicit regard to gender differences...
February 13, 2018: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29450244/characteristics-of-adherence-to-methadone-maintenance-treatment-over-a-15-year-period-among-homeless-adults-experiencing-mental-illness
#4
Milad Parpouchi, Akm Moniruzzaman, Stefanie N Rezansoff, Angela Russolillo, Julian M Somers
Background: Methadone maintenance treatment (MMT) has important protective effects related to reduced illicit opioid use, infectious disease transmission, and overdose mortality. Adherence to MMT has not been examined among homeless people. We measured MMT adherence and reported relevant characteristics among homeless adults experiencing mental illness in Vancouver, British Columbia, Canada. Material and methods: Homeless adults living with mental illness who had received MMT prior to the baseline interview of the Vancouver At Home study ( n = 78) were included in analyses...
December 2017: Addictive Behaviors Reports
https://www.readbyqxmd.com/read/29449061/c4a-mrna-expression-in-pbmcs-predicts-the-presence-and-severity-of-delusions-in-schizophrenia-and-bipolar-disorder-with-psychosis
#5
Jennifer K Melbourne, Cherise Rosen, Benjamin Feiner, Rajiv P Sharma
Altered immune function is an established finding in psychotic disorders such as schizophrenia and bipolar disorder with psychosis, though its role in their development and progression remains to be understood. Evidence suggests altered JAK-STAT1 pathway activity in peripheral blood cells from participants with schizophrenia compared to controls. Activation of this pathway leads to increased expression of complement component 4A (C4A), which has recently been implicated in schizophrenia. Here, we examine mRNA expression of C4A in peripheral blood cells from participants with schizophrenia, bipolar disorder and controls...
February 12, 2018: Schizophrenia Research
https://www.readbyqxmd.com/read/29448305/development-and-validation-of-gc-ms-ms-method-for-simultaneous-quantitation-of-several-antipsychotics-in-human-plasma-and-oral-fluid
#6
Tiago Rosado, David Oppolzer, Belinda Cruz, Mário Barroso, Samira Varela, Victor Oliveira, Carlos Leitão, Eugenia Gallardo
RATIONALE: Antipsychotic drugs are prescription medications used to treat psychotic disorders, such as schizophrenia, schizoaffective disorder, or psychotic depression. With several antipsychotic drugs currently available all over the world, this class of drugs has quickly gotten importance in both clinical and forensic context. This work describes the development and validation of a methodology for the determination of seven antipsychotic drugs in plasma and oral fluid samples. METHODS: The antipsychotic drugs (chlorpromazine, clozapine, haloperidol, olanzapine, quetiapine, cyamemazine and, levomepromazine) were isolated from 0...
February 15, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29444152/the-interaction-between-cannabis-use-and-the-val158met-polymorphism-of-the-comt-gene-in-psychosis-a-transdiagnostic-meta-analysis
#7
Thomas Stephanus Johannes Vaessen, Lea de Jong, Annika Theresia Schäfer, Thomas Damen, Aniek Uittenboogaard, Pauline Krolinski, Chinyere Vicky Nwosu, Florentina Maria Egidius Pinckaers, Iris Leah Marije Rotee, Antonius Petrus Wilhelmus Smeets, Ayşegül Ermiş, James L Kennedy, Dorien H Nieman, Arun Tiwari, Jim van Os, Marjan Drukker
BACKGROUND: Neither environmental nor genetic factors are sufficient to predict the transdiagnostic expression of psychosis. Therefore, analysis of gene-environment interactions may be productive. OBJECTIVE: A meta-analysis was performed using papers investigating the interaction between cannabis use and catechol-O-methyl transferase (COMT) polymorphism Val158Met (COMTVal158Met). DATA SOURCES: PubMed, Embase, PsychInfo. STUDY ELIGIBILITY CRITERIA: All observational studies assessing the interaction between COMTVal158Met and cannabis with any psychosis or psychotic symptoms measure as an outcome...
2018: PloS One
https://www.readbyqxmd.com/read/29441730/potency-of-%C3%AE-9-tetrahydrocannabinol-and-other-cannabinoids-in-cannabis-in-england-in-2016-implications-for-public-health-and-pharmacology
#8
David J Potter, Kathy Hammond, Shaun Tuffnell, Christopher Walker, Marta Di Forti
BACKGROUND: In 2005 and 2008, studies reported that cannabis in England had become dominated by the sinsemilla (unseeded female) form. The average potency (Δ9-tetrahydrocannabinol [THC] content) of this material had doubled over the previous decade. Cannabis resin then circulating contained approximately equal ratios of THC and cannabidiol (CBD), whereas sinsemilla was almost devoid of CBD. Despite raised health concerns regarding sinsemilla use and the development of psychotic disorders, no update on street cannabis potency has been published since 2008...
February 14, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29441710/olfactory-processing-in-bipolar-disorder-major-depression-and-anxiety
#9
Vidyulata Kamath, Diana Paksarian, Lihong Cui, Paul J Moberg, Bruce I Turetsky, Kathleen R Merikangas
OBJECTIVES: Although olfactory abnormalities are well established in schizophrenia, considerably less work has examined olfactory performance in other neuropsychiatric conditions. In the current study, we examined odor identification, odor discrimination, detection threshold, and odor hedonic processing performance in individuals with bipolar I disorder (n = 43; n = 13 with psychotic features), bipolar II disorder (n = 48), major depressive disorder (MDD) (n = 134), anxiety (n = 48), and no mental disorder (n = 72) who participated in a community-based family study...
February 13, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29441581/genetic-polymorphisms-of-htr2c-lep-and-lepr-on-metabolic-syndromes-in-patients-treated-with-atypical-antipsychotic-drugs
#10
Apichaya Puangpetch, Weerapon Unaharassamee, Napa Jiratjintana, Napatrupron Koomdee, Chonlaphat Sukasem
OBJECTIVE: Single nucleotide polymorphisms in serotonin 2C receptor (HTR2C), leptin (LEP), and leptin receptor (LEPR) genes are reportedly associated with the presence of metabolic syndrome (MS). We investigated whether HTR2C:rs518147 (-697G/C), rs12836771 (A/G), LEP: rs7799039 (-2548G/A) and LEPR:rs1137101 (668A/G) are related to MS in psychotic disorder patients treated with atypical antipsychotics. METHODS: A cross-sectional study including 200 patients was conducted; genetic polymorphisms in HTR2C (rs518147 and rs12836771), LEP (rs7799039) and LEPR (rs1137101) were genotyped...
February 13, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29441189/neuroleptic-malignant-syndrome-a-case-responding-to-electroconvulsive-therapy-plus-bupropion
#11
Quintí Foguet-Boreu, Montse Coll-Negre, Montse Serra-Millàs, Miquel Cavalleria-Verdaguer
Neuroleptic malignant syndrome (NMS) is a severe motor syndrome occurring as a consequence of neuroleptic treatment. We present a case of a 67-year-old Caucasian woman with a history of a major depressive disorder with psychotic features. During her third hospital admission, symptoms of autonomic instability, hyperpyrexia, severe extrapyramidal side effects, and delirium appeared, suggesting NMS due to concomitant treatment with risperidone and quetiapine, among other drugs. Despite several consecutive pharmacological treatments (lorazepam, bromocriptine and amantadine) and prompt initiation of electroconvulsive therapy (ECT), clinical improvement was observed only after combining bupropion with ECT...
January 8, 2018: Clinics and Practice
https://www.readbyqxmd.com/read/29440719/prefrontal-gaba-levels-hippocampal-resting-perfusion-and-the-risk-of-psychosis
#12
Gemma Modinos, Fatma Şimşek, Matilda Azis, Matthijs Bossong, Ilaria Bonoldi, Carly Samson, Beverly Quinn, Jesus Perez, Matthew R Broome, Fernando Zelaya, David J Lythgoe, Oliver D Howes, James M Stone, Anthony A Grace, Paul Allen, Philip McGuire
Preclinical models propose that the onset of psychosis is associated with hippocampal hyperactivity, thought to be driven by cortical GABAergic interneuron dysfunction and disinhibition of pyramidal neurons. Recent neuroimaging studies suggest that resting hippocampal perfusion is increased in subjects at ultra-high risk (UHR) for psychosis, but how this may be related to GABA concentrations is unknown. The present study used a multimodal neuroimaging approach to address this issue in UHR subjects. Proton magnetic resonance spectroscopy and pulsed-continuous arterial spin labeling imaging were acquired to investigate the relationship between medial prefrontal (MPFC) GABA+ levels (including some contribution from macromolecules) and hippocampal regional cerebral blood flow (rCBF) in 36 individuals at UHR of psychosis, based on preclinical evidence that MPFC dysfunction is involved in hippocampal hyperactivity...
January 30, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29438561/can-we-predict-psychosis-outside-the-clinical-high-risk-state-a-systematic-review-of-non-psychotic-risk-syndromes-for-mental-disorders
#13
Tae Young Lee, Junhee Lee, Minah Kim, Eugenie Choe, Jun Soo Kwon
Recent evidence has suggested that psychosis could develop not only in people at clinical high risk for psychosis (CHR-P) but also in those with clinical risk syndromes for emergent nonpsychotic mental disorders. The proportion of people with these clinical risk syndromes who will develop psychosis rather than to other nonpsychotic mental disorders is undetermined. Electronic databases were searched for studies reporting on clinical risk syndromes for the development of emergent nonpsychotic mental disorders...
February 9, 2018: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29436880/cotard-s-syndrome-triggered-by-fear-in-a-patient-with-intellectual-disability-causal-or-casual-link
#14
Fabrizio Sottile, Rosaria De Luca, Lilla Bonanno, Giuseppina Finzi, Carmela Casella, Rocco Salvatore Calabrò
Cotard's syndrome is a neuropsychiatric disease characterized by a variety of nihilistic delusions, commonly associated with several psychotic and major affective disorders, and neurological diseases, including stroke, dementia, and mental retardation. A 39-year-old male with mental retardation developed Cotard's syndrome, following an important episode of fear. During admission to our neurological unit, the patient underwent an accurate assessment, including neuroradiological, clinical, and neuropsychological examinations...
February 13, 2018: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/29436703/-hashimoto-encephalopathy-as-explanation-of-psychotic-symptoms-in-an-adolescent
#15
H Geerts, P Emmery, K Spaas, C Klockaerts, M Danckaerts
Hashimoto encephalopathy (he) is a rare disorder with a great diversity in clinical presentation of neurological and/or psychiatric symptoms. We describe a case of Hashimoto thyroiditis with hypothyroidism and Hashimoto encephalopathy in a fifteen-year-old boy who was referred to a child and adolescent psychiatrist due to a suspicion of a psychotic episode. Patient recovered after treatment with levothyroxine and corticosteroids.
2018: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/29436328/in-patient-treatment-in-functional-and-sectorised-care-patient-satisfaction-and-length-of-stay
#16
V J Bird, D Giacco, P Nicaise, A Pfennig, A Lasalvia, M Welbel, S Priebe
BACKGROUND: Debate exists as to whether functional care, in which different psychiatrists are responsible for in- and out-patient care, leads to better in-patient treatment as compared with sectorised care, in which the same psychiatrist is responsible for care across settings. Aims To compare patient satisfaction with in-patient treatment and length of stay in functional and sectorised care. METHOD: Patients with an ICD-10 diagnosis of psychotic, affective or anxiety/somatoform disorders consecutively admitted to an adult acute psychiatric ward in 23 hospitals across 11 National Health Service trusts in England were recruited...
February 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29436320/long-term-outcomes-of-trauma-focused-treatment-in-psychosis
#17
David van den Berg, Paul A J M de Bont, Berber M van der Vleugel, Carlijn de Roos, Ad de Jongh, Agnes van Minnen, Mark van der Gaag
We present 12-month follow-up results for a randomised controlled trial of prolonged exposure and eye movement desensitisation and reprocessing (EMDR) therapy in 85 (78.8%) participants with psychotic disorder and comorbid post-traumatic stress disorder (PTSD). Positive effects on clinician-rated PTSD, self-rated PTSD, depression, paranoid-referential thinking and remission from schizophrenia were maintained up to 12-month follow-up. Negative post-traumatic cognitions declined in prolonged exposure and were stable in EMDR...
February 7, 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29434535/altered-expression-profile-of-iglon-family-of-neural-cell-adhesion-molecules-in-the-dorsolateral-prefrontal-cortex-of-schizophrenic-patients
#18
Karina Karis, Kattri-Liis Eskla, Maria Kaare, Karin Täht, Jana Tuusov, Tanel Visnapuu, Jürgen Innos, Mohan Jayaram, Tõnis Timmusk, Cynthia S Weickert, Marika Väli, Eero Vasar, Mari-Anne Philips
Neural adhesion proteins are crucial in the development and maintenance of functional neural connectivity. Growing evidence suggests that the IgLON family of neural adhesion molecules LSAMP, NTM, NEGR1, and OPCML are important candidates in forming the susceptibility to schizophrenia (SCZ). IgLON proteins have been shown to be involved in neurite outgrowth, synaptic plasticity and neuronal connectivity, all of which have been shown to be altered in the brains of patients with the diagnosis of schizophrenia...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29433609/undetected-post-traumatic-stress-disorder-in-secondary-care-mental-health-services-systematic-review
#19
Stan Zammit, Catrin Lewis, Sarah Dawson, Hannah Colley, Hannah McCann, Alice Piekarski, Helen Rockliff, Jonathan Bisson
BACKGROUND: Comorbid post-traumatic stress disorder (PTSD) is associated with poorer outcomes of other disorders, but is treatable. Aims To estimate the frequency of clinically undetected PTSD in secondary care. METHOD: A systematic review of studies that screened for PTSD and reported on PTSD documentation in clinical records. Frequency of undetected PTSD was estimated, and reasons for heterogeneity explored. RESULTS: The median proportion of participants with undetected PTSD (29 studies) was 28...
January 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29433523/a-clinical-approach-to-new-onset-psychosis-associated-with-immune-dysregulation-the-concept-of-autoimmune-psychosis
#20
Souhel Najjar, Johann Steiner, Amanda Najjar, Karl Bechter
Growing data point to the overlap between psychosis and pathological processes associated with immunological dysregulation as well as inflammation. Notably, the recent discovery of antibodies against synaptic and neuronal cell membrane proteins such as anti-N-methyl-D-aspartate receptor provides more direct evidence of the etiological connection between autoimmunity and subsequent hazard of psychosis. Here, we advocate the use of term "autoimmune psychosis," as this term suggests that autoimmune disorders can masquerade as drug-resistant primary psychosis, and this subtype of psychosis has anatomical and immunological footprints in the brain, despite the frequent absence of structural abnormalities on conventional brain MRI...
February 13, 2018: Journal of Neuroinflammation
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