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Early psychosis

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https://www.readbyqxmd.com/read/28928050/predictors-of-onset-of-psychosis-in-patients-with-parkinson-s-disease-who-gets-it-early
#1
Abhishek Lenka, Lija George, Shyam Sundar Arumugham, Shantala Hegde, Venkateswara Reddy, Nitish Kamble, Ravi Yadav, Pramod Kumar Pal
INTRODUCTION: Psychosis is one of the common non-motor symptoms of PD, which substantially worsens the quality of life. Hence, it is important to identify factors that are associated with early onset of psychosis in PD. In order to identify those factors, the current study aims to compare various demographic and clinical features of PD patients with early and late onset psychosis. METHODOLOGY: In this prospective case-control study, 51 consecutive patients with PD having psychosis (PDP) were recruited...
September 14, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28924227/implication-of-the-glutamate-cystine-antiporter-xct-in-schizophrenia-cases-linked-to-impaired-gsh-synthesis
#2
M Fournier, A Monin, C Ferrari, P S Baumann, P Conus, K Do
xCT is the specific chain of the cystine/glutamate antiporter, which is widely reported to support anti-oxidant defenses in vivo. xCT is therefore at the crossroads between two processes that are involved in schizophrenia: oxidative stress and glutamatergic neurotransmission. But data from human studies implicating xCT in the illness and clarifying the upstream mechanisms of xCT imbalance are still scarce. Low glutathione (GSH) levels and genetic risk in GCLC (Glutamate-Cysteine Ligase Catalytic subunit), the gene of limiting synthesizing enzyme for GSH, are both associated with schizophrenia...
September 18, 2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28922588/persistent-negative-symptoms-in-first-episode-psychosis-early-cognitive-and-social-functioning-correlates-and-differences-between-early-and-adult-onset
#3
Olga Puig, Immaculada Baeza, Elena de la Serna, Bibiana Cabrera, Gisela Mezquida, Miquel Bioque, Antonio Lobo, Ana González-Pinto, Mara Parellada, Iluminada Corripio, Eduard Vieta, Julio Bobes, Judith Usall, Fernando Contreras, Manuel J Cuesta, Miquel Bernardo, Josefina Castro-Fornieles, The PEPs Group
OBJECTIVE: To characterize the early cognitive and social functioning characteristics of a sample of first-episode psychosis patients with and without persistent negative symptoms (PNS) and to examine the prevalence and cognitive and functional correlates of PNS in patients with early-onset versus adult-onset first-episode psychosis. METHODS: Participants were 235 patients with first-episode psychosis (51 early-onset, 184 adult-onset) and 240 healthy controls from a multicenter longitudinal study (recruited between 2009 and 2011)...
September 12, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28918863/more-haste-less-speed-a-meta-analysis-of-thinking-latencies-during-planning-in-people-with-psychosis
#4
REVIEW
Andrew J Watson, Eileen M Joyce, Andrew J B Fugard, Verity C Leeson, Thomas R E Barnes, Vyv Huddy
Cognitive impairment is a core feature of psychosis, with slowed processing speed thought to be a prominent impairment in schizophrenia and first-episode psychosis. However, findings from the Stockings of Cambridge (SOC) planning task suggest changes in processing speed associated with the illness may include faster responses in early stages of planning, though findings are inconsistent. This review uses meta-analytic methods to assess thinking times in psychosis across the available literature. Studies were identified by searching PubMed, Web of Science and Google Scholar...
September 5, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28918440/interpersonal-sensitivity-and-persistent-attenuated-psychotic-symptoms-in-adolescence
#5
Alice Masillo, M Brandizzi, L R Valmaggia, R Saba, N Lo Cascio, J F Lindau, L Telesforo, P Venturini, D Montanaro, D Di Pietro, M D'Alema, P Girardi, P Fiori Nastro
Interpersonal sensitivity defines feelings of inner-fragility in the presence of others due to the expectation of criticism or rejection. Interpersonal sensitivity was found to be related to attenuated positive psychotic symptom during the prodromal phase of psychosis. The aims of this study were to examine if high level of interpersonal sensitivity at baseline are associated with the persistence of attenuated positive psychotic symptoms and general psychopathology at 18-month follow-up. A sample of 85 help-seeking individuals (mean age = 16...
September 16, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28910597/predictors-of-change-in-social-networks-support-and-satisfaction-following-a-first-episode-psychosis-a-cohort-study
#6
Laoise Renwick, Liz Owens, John Lyne, Brian O'Donoghue, Eric Roche, Jonathan Drennan, Ann Sheridan, Mark Pilling, Eadbhard O'Callaghan, Mary Clarke
BACKGROUND: Diminished social networks are common in psychosis but few studies have measured these comprehensively and prospectively to determine how networks and support evolve during the early phase. There is little information regarding perceived support in the early phase of illness. The aim of this study was to describe social support, networks and perceived satisfaction, explore the clinical correlates of these outcomes and examine whether phases of untreated psychosis are linked with social network variables to determine potential opportunities for intervention...
August 30, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28903079/escalating-patterns-of-emergency-health-care-prior-to-first-admission-with-amphetamine-psychosis-a-window-of-opportunity
#7
Grant Sara, Julia Lappin, Timothy Dobbins, Adrian J Dunlop, Louisa Degenhardt
AIM: To describe health service contact in the two years prior to a first hospital admission with amphetamine-related psychosis, and to identify possible opportunities for early intervention. METHOD: Routine health data collections were used to identify 6130 persons aged 16-65 who had a first hospital admission with amphetamine-related psychosis in New South Wales (NSW), Australia, between 2005 and 2016. Health service contacts in the two years prior to first admission were identified, using public hospital, emergency department and community mental health data...
September 6, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28901206/rural-urban-differences-in-accessing-mental-health-treatment-in-patients-with-psychosis
#8
Jagadisha Thirthalli, K Shanivaram Reddy, Manoranjitha Kare, Soumitra Das, B N Gangadhar
BACKGROUND: Delay in accessing psychiatric treatment has considerable influence on the outcome of psychoses. Systematic studies examining the source of the delay are lacking in India. In this article, we examine rural-urban differences regarding delay in accessing psychiatric care in patients with psychosis, an issue which was hitherto not studied. AIMS: To evaluate the rural-urban differences in treatment seeking among patients with psychosis. METHODS: Patients with psychotic disorders who presented to the outpatient department of an academic psychiatric institute for the first time ( n = 551) were interviewed using a semi-structured interview tool to assess the date of onset of illness...
September 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28899881/tet1-overexpression-leads-to-anxiety-like-behavior-and-enhanced-fear-memories-via-the-activation-of-calcium-dependent-cascade-through-egr1-expression-in-mice
#9
Wookbong Kwon, Hyeng-Soo Kim, Jain Jeong, Yonghun Sung, Minjee Choi, Song Park, Jinhee Lee, Soyoung Jang, Sung Hyun Kim, Sanggyu Lee, Myoung Ok Kim, Zae Young Ryoo
Ten-eleven translocation methylcytosine dioxygenase 1 (Tet1) initiates DNA demethylation by converting 5-methylcytosine (5-mC) to 5-hydroxymethylcytosine (5-hmC) at CpG-rich regions of genes, which have key roles in adult neurogenesis and memory. In addition, the overexpression of Tet1 with 5-hmC alteration in patients with psychosis has also been reported, for instance in schizophrenia and bipolar disorders. The mechanism underlying Tet1 overexpression in the brain; however, is still elusive. In the present study, we found that Tet1-transgenic (Tet1-TG) mice displayed abnormal behaviors involving elevated anxiety and enhanced fear memories...
September 12, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28898305/-cannabis-and-its-association-with-psychosis-what-do-we-know
#10
Lucía Seré, Dolores Cardona, Marcelo Cetkovich
Psychoses are a group of diseases that cause enormous health and emotional burden for the patient and their families. In recent decades, the need for early intervention to improve their prognosis has been highlighted. It has long been postulated that cannabis use is a risk factor added to other factors such as genetics and developmental abnormalities. For this reason, and in the light of a growing movement for legalization of its use, it is vitally important to have reliable information to understand the details of the relationship between cannabis abuse and the development of psychosis...
November 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28893493/brain-tspo-imaging-and-gray-matter-volume-in-schizophrenia-patients-and-in-people-at-ultra-high-risk-of-psychosis-an-11-c-pbr28-study
#11
Sudhakar Selvaraj, Peter S Bloomfield, Bo Cao, Mattia Veronese, Federico Turkheimer, Oliver D Howes
Patients with schizophrenia show whole brain and cortical gray matter (GM) volume reductions which are progressive early in their illness. Microglia, the resident immune cells in the CNS, phagocytose neurons and synapses. Some post mortem and in vivo studies in schizophrenia show evidence for elevated microglial activation compared to matched controls. However, it is currently unclear how these results relate to changes in cortical structure. METHODS: Fourteen patients with schizophrenia and 14 ultra high risk for psychosis (UHR) subjects alongside two groups of age and genotype matched healthy controls received [(11)C]PBR28 PET scans to index TSPO expression, a marker of microglial activation and a 3T MRI scan...
September 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28888362/risk-factors-for-increased-duration-of-untreated-psychosis-results-from-the-face-sz-dataset
#12
G Fond, L Boyer, M Andrianarisoa, O Godin, L Brunel, E Bulzacka, N Coulon, P M Llorca, F Berna, B Aouizerate, D Capdevielle, T D'Amato, C Dubertret, J Dubreucq, C Faget, F Gabayet, J Mallet, D Misdrahi, R Rey, R Richieri, P Roux, C Passerieux, A Schandrin, A M Tronche, P Vidailhet, M Leboyer, F Schürhoff
OBJECTIVES: Reducing the duration of untreated psychosis (DUP) may improve the prognosis of schizophrenia. This study investigated the prevalence, and associated risk factors, of long DUP in a large, non-selected sample of community-dwelling schizophrenia patients (SZ). METHOD: 478 community-dwelling stable SZ participants (122 women and 356 men; mean age 32.37±9.86years) were recruited between 2010 and 2016. The mean retrospective DUP was evaluated from both patient and family reports, as well as hospital/psychiatrists records...
September 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28888360/an-examination-of-components-of-recovery-after-five-years-of-treatment-in-an-early-intervention-program-for-psychosis
#13
Ross M G Norman, Arlene MacDougall, Rahul Manchanda, Raj Harricharan
Recovery from psychotic disorders includes both symptomatic and functional components. Progress in understanding recovery requires careful replication and extension of findings using comparable measures. In the current paper, we present a study of five year recovery rates in an early intervention program in London, Canada with the same operational criteria as those used in a previous report from the OPUS cohort in Denmark. Our analysis extends the OPUS reports by including additional potential predictors of overall recovery, such as cognitive functioning, adherence to medication and early social support, and examining rates and predictors of individual components of recovery at five year follow-up...
September 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28888358/prediction-of-self-stigma-in-early-psychosis-3-year-follow-up-of-the-randomized-controlled-trial-on-extended-early-intervention
#14
Ryan Wui Hang Ho, Wing Chung Chang, Vivian Wing Yan Kwong, Emily Sin Kei Lau, Gloria Hoi Kei Chan, Olivia Tsz Ting Jim, Christy Lai Ming Hui, Sherry Kit Wa Chan, Edwin Ho Ming Lee, Eric Yu Hai Chen
BACKGROUND: Self-stigma represents a major barrier to recovery in people with psychotic disorders but is understudied in early illness stage. Longitudinal investigation of prediction for self-stigma is scarce and none is conducted in early psychosis. We aimed to prospectively examine baseline predictors of self-stigma in early psychosis patients in the context of a 3-year follow-up of a randomized-controlled trial (RCT) comparing 1-year extension of early intervention (EI) with step-down psychiatric care for first-episode psychosis (FEP)...
September 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28886901/perceptual-abnormalities-in-clinical-high-risk-youth-and-the-role-of-trauma-cannabis-use-and-anxiety
#15
Yun Lu, Catherine Marshall, Kristin S Cadenhead, Tyrone D Cannon, Barbara A Cornblatt, Thomas H McGlashan, Diana O Perkins, Larry J Seidman, Ming T Tsuang, Elaine F Walker, Scott W Woods, Carrie E Bearden, Daniel Mathalon, Jean Addington
Recent research suggests that perceptual abnormalities are a group of diverse experiences, which have been associated with trauma, cannabis use, and anxiety. Of the attenuated psychotic symptoms that are present in youth at clinical high risk (CHR) of psychosis, perceptual abnormalities tend to be one of the most frequently endorsed symptoms. However, very few studies have explored perceptual abnormalities and their relationships with the above environmental and affective factors in a CHR sample. Four hundred and forty-one CHR individuals who met criteria for attenuated psychotic symptom syndrome (APSS) determined by the Structured Interview for Psychosis-risk Syndromes (SIPS) were assessed on the content of their perceptual abnormalities, early traumatic experience, cannabis use and self-reported anxiety...
August 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28870686/-risk-factors-related-to-homicide-in-moroccan-patients-with-schizophrenia
#16
A Kachouchi, M Sebbani, S Salim, I Adali, F Manoudi, M Amine, F Asri
BACKGROUND: Persons with schizophrenia are thought to be at increased risk of committing violent crime - 4 to 6 times the level of general population individuals without this disorder. The relationship between schizophrenia and homicide is complex and cannot be reduced to a simple causal link. OBJECTIVES: The objectives of this study were to describe the characteristics of homicide in Moroccan patients suffering from schizophrenia and to determine the correlated sociodemographic, clinical and toxic variables...
September 1, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28869097/cbt-in-the-prevention-of-psychosis-and-other-severe-mental-disorders-in-patients-with-an-at-risk-mental-state-a-review-and-proposed-next-steps
#17
Mark van der Gaag, David van den Berg, Helga Ising
Patients with an 'At risk mental state' (ARMS) for developing psychosis can be treated successfully with CBT to postpone and prevent the transition to a first psychotic episode. A characteristic of individuals that meet ARMS criteria is that they are still open for multiple explanations for extraordinary experiences. CBT aims to normalize extraordinary experiences with education and to prevent delusional explanations. The treatment is not only effective, but also cost-saving in averting psychosis as well as in reducing disability adjusted life years at 18- and 48-month follow-up...
August 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28867516/modelling-the-neuromotor-abnormalities-of-psychotic-illness-putative-mechanisms-and-systems-dysfunction
#18
John L Waddington, Colm M O'Tuathaigh
Limitations in access to antipsychotic-naïve patients and in the incisiveness of studies that can be conducted on them, together with the inevitability of subsequent antipsychotic treatment, indicate an enduring role for animal models that can inform on the pathobiology of neuromotor abnormalities in schizophrenia and related psychotic illness. This review focusses particularly on genetically modified mouse models that involve genes associated with risk for schizophrenia and with mechanisms implicated in the neuromotor abnormalities evident in psychotic patients, as well as developmental models that seek to mirror the trajectory, phenomenology and putative pathophysiology of psychotic illness...
August 31, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28865405/the-role-of-stress-regulation-genes-in-moderating-the-association-of-stress-and-daily-life-psychotic-experiences
#19
P Cristóbal-Narváez, T Sheinbaum, I Myin-Germeys, T R Kwapil, M de Castro-Catala, T Domínguez-Martínez, A Racioppi, M Monsonet, L Hinojosa-Marqués, R van Winkel, A Rosa, N Barrantes-Vidal
OBJECTIVE: The interaction of single nucleotide polymorphisms with both distal and proximal environmental factors across the extended psychosis phenotype is understudied. This study examined (i) the interaction of relevant SNPs with both early-life adversity and proximal (momentary) stress on psychotic experiences (PEs) in an extended psychosis sample; and (ii) differences between early-psychosis and non-clinical groups for these interactions. METHODS: Two hundred and forty-two non-clinical and 96 early-psychosis participants were prompted randomly eight times daily for 1 week to complete assessments of current experiences, including PEs and stress...
September 2, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28864703/admission-to-psychiatric-hospital-for-mental-illnesses-2-years-prechildbirth-and-postchildbirth-in-scotland-a-health-informatics-approach-to-assessing-mother-and-child-outcomes
#20
Julie Langan Martin, Gary McLean, Daniel Martin, Roch Cantwell, Daniel J Smith
OBJECTIVE: To identify factors associated with: admission to a specialist mother and baby unit (MBU) and the impact of perinatal mental illness on early childhood development using a data linkage approach in the 2 years prechildbirth and postchildbirth. METHODS: Scottish maternity records (SMR02) were linked to psychiatric hospital admissions (SMR04). 3290 pregnancy-related psychiatric admissions for 1730 women were assessed. To investigate factors associated with MBU admission, the group of mothers admitted to an MBU were compared with those admitted to general psychiatric wards...
September 1, 2017: BMJ Open
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