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Early onset psychosis

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https://www.readbyqxmd.com/read/27906088/folie-%C3%A3-deux-and-its-interaction-with-early-life-stress-a-case-report
#1
Alessandra Vargas Alves Nunes, Sandra Odebrecht Vargas Nunes, Talita Strano, Gilberto Pascolat, Gustavo Manoel Schier Doria, Mauricio Nasser Ehlke
BACKGROUND: Folie à deux is a very rare psychiatric syndrome in which a psychotic symptom is transmitted from one individual to another. We present a case of folie à deux occurring during childhood, which is not an usual presentation of this syndrome. In this case, the disorder is correlated with child abuse and neglect, which possibly had a role in the development of the symptoms in our case. CASE PRESENTATION: We present a case of folie à deux between an "induced" 9-year-old black Brazilian boy and the "inducer", his grandmother...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27893018/effect-of-%C3%AF-3-polyunsaturated-fatty-acids-in-young-people-at-ultrahigh-risk-for-psychotic-disorders-the-neurapro-randomized-clinical-trial
#2
Patrick D McGorry, Barnaby Nelson, Connie Markulev, Hok Pan Yuen, Miriam R Schäfer, Nilufar Mossaheb, Monika Schlögelhofer, Stephan Smesny, Ian B Hickie, Gregor Emanuel Berger, Eric Y H Chen, Lieuwe de Haan, Dorien H Nieman, Merete Nordentoft, Anita Riecher-Rössler, Swapna Verma, Andrew Thompson, Alison Ruth Yung, G Paul Amminger
Importance: A promising treatment to prevent onset and improve outcomes in patients at ultrahigh risk for psychosis is dietary supplementation with long-chain ω-3 polyunsaturated fatty acids (PUFAs). Objective: To determine whether treatment with ω-3 PUFAs in combination with a high-quality psychosocial intervention (cognitive behavioral case management [CBCM]) is more effective than placebo plus CBCM. Design, Setting, and Participants: NEURAPRO, a double-blind, placebo-controlled, randomized clinical trial, was conducted from March 1, 2010, to September 30, 2014, in 10 specialized early psychosis treatment services in Australia, Asia, and Europe...
November 23, 2016: JAMA Psychiatry
https://www.readbyqxmd.com/read/27892953/thalamic-mir-338-3p-mediates-auditory-thalamocortical-disruption-and-its-late-onset-in-models-of-22q11-2-microdeletion
#3
Sungkun Chun, Fei Du, Joby J Westmoreland, Seung Baek Han, Yong-Dong Wang, Donnie Eddins, Ildar T Bayazitov, Prakash Devaraju, Jing Yu, Marcia M Mellado Lagarde, Kara Anderson, Stanislav S Zakharenko
Although 22q11.2 deletion syndrome (22q11DS) is associated with early-life behavioral abnormalities, affected individuals are also at high risk for the development of schizophrenia symptoms, including psychosis, later in life. Auditory thalamocortical (TC) projections recently emerged as a neural circuit that is specifically disrupted in mouse models of 22q11DS (hereafter referred to as 22q11DS mice), in which haploinsufficiency of the microRNA (miRNA)-processing-factor-encoding gene Dgcr8 results in the elevation of the dopamine receptor Drd2 in the auditory thalamus, an abnormal sensitivity of thalamocortical projections to antipsychotics, and an abnormal acoustic-startle response...
November 28, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27889384/reduced-superoxide-dismutase-1-sod1-in-cerebrospinal-fluid-of-patients-with-early-psychosis-in-association-with-clinical-features
#4
Jennifer M Coughlin, Lindsay N Hayes, Teppei Tanaka, Meifang Xiao, Robert H Yolken, Paul Worley, F Markus Leweke, Akira Sawa
Oxidative stress is implicated in the underlying pathophysiology of psychosis from studies of animal models and of tissues obtained from patients. Superoxide dismutase 1 (SOD1) is an antioxidant responsible for reducing free radicals. SOD1 levels in cerebrospinal fluid (CSF) reportedly correlate with those in brain. We hypothesized that patients in early-stages of psychotic disease may have altered SOD1 in CSF compared to healthy controls. We previously reported in a pilot study that SOD1 levels in CSF of patients with recent onset schizophrenia (SZ) were lower compared to healthy controls...
November 23, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27863280/smoking-status-and-its-relationship-to-demographic-and-clinical-characteristics-in-first-episode-psychosis
#5
Michael Grossman, Christopher R Bowie, Martin Lepage, Ashok K Malla, Ridha Joober, Srividya N Iyer
Elevated rates of cigarette smoking are observed prior to the onset of psychosis and remain stable early in the illness. Cannabis use frequently co-occurs with cigarette smoking and is independently associated with distinct clinical outcomes. However, past research has not controlled for cannabis use in cigarette smokers with first episode psychosis (FEP), limiting conclusions on the unique relationship of cigarette smoking to the demographic and clinical profiles of these patients. The present study therefore aimed to: (1) Determine the prevalence and patterns of cigarette smoking and its co-use with cannabis in FEP, and (2) Examine the demographic, clinical, cognitive, and functional characteristics associated with cigarette smoking status, after adjusting for frequency of cannabis use...
October 27, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27863046/early-psychosis-intervention-outpatient-service-of-the-1st-psychiatric-university-clinic-in-athens-3-years-of-experience
#6
Constantinos Kollias, Lida-Alkisti Xenaki, Stefanos Dimitrakopoulos, Ioannis Kosteletos, Vassilis Kontaxakis, Nikos Stefanis, Charalampos Papageorgiou
To present the 3-year experience of the early intervention in psychosis (EIP) service implementation of the 1st Psychiatric University Clinic in Athens. An overview of: (1) the purpose of our service, (2) the referral network, (3) the selection criteria, (4) the diagnostic procedures, (5) the therapeutic interventions and (6) the research activities. The service was established in 2012 and developed gradually aiming to provide information, early detection, treatment and support to people aged 15 to 40 years with psychotic manifestations, who are either at increased risk of developing psychosis (at-risk mental state [ARMS]) or with first episode psychosis (FEP)...
November 9, 2016: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/27856682/capturing-schizophrenia-like-prodromal-symptoms-in-a-spinocerebellar-ataxia-17-transgenic-rat
#7
Davide Amato, Fabio Canneva, Huu Phuc Nguyen, Peter Bauer, Olaf Riess, Stephan von Hörsten, Christian P Müller
RATIONALE: The polyglutamine disease spinocerebellar ataxia type 17 (SCA17) is a neurodegenerative disease leading to severe neurological symptoms during development. Additionally, patients affected by SCA17 display psychosis earlier than their motor disorders. OBJECTIVE: Here the putative psychotic phenotype and endophenotype of transgenic SCA17 rats was examined. METHODS: The expression of schizophrenia-like symptoms was evaluated over a longitudinal period before and after the onset of neurological symptoms in SCA17...
November 8, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27853241/supplementation-with-d-serine-prevents-the-onset-of-cognitive-deficits-in-adult-offspring-after-maternal-immune-activation
#8
Yuko Fujita, Tamaki Ishima, Kenji Hashimoto
Prenatal maternal infection contributes to the etiology of schizophrenia, with D-serine, an endogenous co-agonist of the N-methyl-D-aspartate (NMDA) receptor, playing a role in the pathophysiology of this disease. We examined whether supplementation with D-serine during juvenile and adolescent stages could prevent the onset of cognitive deficits, prodromal and the core symptoms of schizophrenia in adult offspring after maternal immune activation (MIA). Juvenile offspring exposed prenatally to poly(I:C) showed reduced expression of NMDA receptor subunits in the hippocampus...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27837197/comparison-of-ethnicity-gender-age-of-onset-and-outcome-in-south-africans-with-systemic-lupus-erythematosus
#9
A Budhoo, G M Mody, T Dubula, N Patel, P G Mody
Ethnicity, gender and age of onset are reported to influence the expression and outcome of systemic lupus erythematosus. We studied a multi-ethnic cohort of 408 South Africans (91.2% females) comprising 237 (58.1%) Indians, 137 (33.6%) African Blacks, 17 (4.2%) Mixed ethnicity and 17 (4.2%) Whites. The most common manifestations were arthritis (80.6%), photosensitivity (67.2%), oral ulcers (50.0%), malar rash (49.0%) and renal (39.2%). The common laboratory findings were positive anti-nuclear factor (96.8%), haematological (74...
November 10, 2016: Lupus
https://www.readbyqxmd.com/read/27834101/outcome-of-first-episode-acute-and-transient-psychotic-disorder-in-hong-kong-chinese-a-20-year-retrospective-follow-up-study
#10
Johannes Yin Kwong Poon, Chi Ming Leung
BACKGROUND: 'Acute and transient psychotic disorder' (ATPD) is a category in ICD-10 marked by psychosis with acute onset and early remission. It remains relatively under-researched, despite controversies over its nosological status in the current classification system. AIMS: (1) To assess the changes in diagnosis over time in patients initially diagnosed as ATPD. (2) To identify factors predicting changes in diagnosis, and compare the long-term outcomes of various patterns of diagnostic shift...
November 11, 2016: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/27824776/hopes-and-expectations-regarding-genetic-testing-for-schizophrenia-among-young-adults-at-clinical-high-risk-for-psychosis
#11
Phoebe Friesen, Ryan E Lawrence, Gary Brucato, Ragy R Girgis, Lisa Dixon
Genetic tests for schizophrenia could introduce both risks and benefits. Little is known about the hopes and expectations of young adults at clinical high-risk for psychosis concerning genetic testing for schizophrenia, despite the fact that these youth could be among those highly affected by such tests. We conducted semistructured interviews with 15 young adults at clinical high-risk for psychosis to ask about their interest, expectations, and hopes regarding genetic testing for schizophrenia. Most participants reported a high level of interest in genetic testing for schizophrenia, and the majority said they would take such a test immediately if it were available...
November 2016: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/27824119/intake-of-7-8-dihydroxyflavone-during-juvenile-and-adolescent-stages-prevents-onset-of-psychosis-in-adult-offspring-after-maternal-immune-activation
#12
Mei Han, Ji-Chun Zhang, Wei Yao, Chun Yang, Tamaki Ishima, Qian Ren, Min Ma, Chao Dong, Xu-Feng Huang, Kenji Hashimoto
Prenatal infection and subsequent abnormal neurodevelopment of offspring is involved in the etiology of schizophrenia. Brain-derived neurotrophic factor (BDNF) and its high affinity receptor, tropomyosin receptor kinase B (TrkB) signaling plays a key role in the neurodevelopment. Pregnant mice exposed to polyriboinosinic-polyribocytidylic acid [poly(I:C)] causes schizophrenia-like behavioral abnormalities in their offspring at adulthood. Here we found that the juvenile offspring of poly(I:C)-treated mice showed cognitive deficits, as well as reduced BDNF-TrkB signaling in the prefrontal cortex (PFC)...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27804260/cortisol-and-acth-levels-in-drug-naive-adolescents-with-first-episode-early-onset-schizophrenia
#13
Şeref Şimşek, Salih Gençoğlan, Tuğba Yüksel, Hüseyin Aktaş
The aim of this study was to investigate serum levels of cortisol and adrenocorticotropic hormone in adolescents with first-episode early onset schizophrenia. A total of 23 adolescent patients, who did not receive prior therapy and who were diagnosed with psychosis according to DSM-IV, were included. Kiddie-Schedule for Affective Disorders and Schizophrenia-Present and Lifetime Version, Positive and Negative Symptom Scale, and Clinical Global Impression Scale were conducted with the participants. No significant differences were found between the patients and the control subjects in serum cortisol and adrenocorticotropic hormone levels (P > ...
November 2, 2016: Asia-Pacific Psychiatry: Official Journal of the Pacific Rim College of Psychiatrists
https://www.readbyqxmd.com/read/27798222/predicting-cognition-and-psychosis-in-young-adults-with-22q11-2-deletion-syndrome
#14
Kevin M Antshel, Wanda Fremont, Seetha Ramanathan, Wendy R Kates
OBJECTIVE: To assess the extent to which the trajectories of intellectual, academic achievement, executive functioning, attention, working memory, and emotion recognition tests will be predictive of psychosis in young adults with 22q11.2 deletion syndrome (22q11DS). METHODS: Eighty-two participants with 22q11DS were assessed for psychiatric disorders and neuropsychological functioning with validated instruments. Siblings and community controls were employed as comparison groups...
October 25, 2016: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/27796500/rates-and-predictors-of-relapse-in-first-episode-non-affective-psychosis-a-3-year-longitudinal-study-in-a-specialized-intervention-program-pafip
#15
José María Pelayo-Terán, Virginia Gajardo Gajardo Galán, Víctor de la Ortiz-García de la Foz, Obdulia Martínez-García, Rafael Tabarés-Seisdedos, Benedicto Crespo-Facorro, Rosa Ayesa-Arriola
Relapses may represent a critical hazard in schizophrenia spectrum disorders as they are associated with an increased risk of a clinical and functional deterioration. Preventing relapse after recovering from a first psychotic episode has become a major challenge due to its critical impact on lifelong functionality. This study explored the rate of first and second relapses and the predictors associated with these relapses in a large cohort of non-affective psychosis patients during a period of 3 years after the first break of the illness...
October 28, 2016: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/27776572/mismatch-negativity-and-p3a-amplitude-in-young-adolescents-with-first-episode-psychosis-a-comparison-with-adhd
#16
J Rydkjær, J R Møllegaard Jepsen, A K Pagsberg, B Fagerlund, B Y Glenthøj, B Oranje
BACKGROUND: Deficient mismatch negativity (MMN) has been proposed as a candidate biomarker in schizophrenia and may therefore be potentially useful in early identification and intervention in early onset psychosis. In this study we explored whether deficits in the automatic orienting and reorienting responses, measured as MMN and P3a amplitude, are present in young adolescents with first-episode psychosis (FEP) and whether findings are specific to psychosis compared to young adolescents with attention deficit hyperactivity disorder (ADHD)...
October 25, 2016: Psychological Medicine
https://www.readbyqxmd.com/read/27763485/wernicke-s-encephalopathy-due-to-hyperemesis-gravidarum-clinical-and-magnetic-resonance-imaging-characteristics
#17
V V Ashraf, J Prijesh, R Praveenkumar, K Saifudheen
Hyperemesis gravidarum-induced Wernicke's encephalopathy (WE) is an underestimated condition. The purpose of this study is to improve its awareness and early diagnosis. We report five cases of WE secondary to hyperemesis gravidarum. Classic triad of encephalopathy, ataxia, and ocular signs was seen in four out of five patients. Two unusual features noted in this series were papilledema in one patient and severe sensory-motor peripheral neuropathy in one patient. Magnetic resonance imaging (MRI) was abnormal in all the five patients, and high signal in medial thalamus and surrounding the aqueduct was the most common abnormality (5/5)...
October 2016: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/27752784/recurrent-episodes-associated-with-childbearing-a-matrix-of-associations
#18
Ian Brockington
A study of several hundred recurrent puerperal psychoses shows that about half of those with known onset recur in the same phase of reproduction, and half have onsets in different phases. Onsets in the same phase are especially a feature of prepartum psychosis and are the strongest indication of a specific trigger operating during pregnancy. Onsets in different phases provide a prima facie case for links between 'puerperal psychosis' and other reproductive onsets. They suggest that the 'picture puzzle' is not just about early onset puerperal psychosis, but a group of related reproductive triggers...
October 17, 2016: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/27744500/some-unusual-forms-of-early-onset-postpartum-psychosis
#19
Ian Brockington
In addition to bipolar cycloid episodes, infective delirium and eclamptic psychosis, each of which has characteristic clinical features and course, brief episodes of delirium and stupor are also seen in the immediate aftermath of parturition. Several mothers have had similar episodes developing later in the first 10 days, and some have cyclical disorders with an unusual time base. Bipolar/cycloid disorders can start on day 1 or even earlier.
October 16, 2016: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/27736048/clozapine-use-in-first-episode-psychosis-the-singapore-early-psychosis-intervention-programme-epip-perspective
#20
Charmaine Tang, Mythily Subramaniam, Boon Tat Ng, Edimansyah Abdin, Lye Yin Poon, Swapna K Verma
OBJECTIVE: Early symptomatic response is pertinent in improving outcomes in first-episode psychosis. One of the ways in which this may be achieved is by reducing inappropriate delays in clozapine initiation. This study aimed to examine clozapine prescribing practices among clinicians by establishing the prevalence of clozapine use, identifying baseline clinical and demographic factors that were associated with clozapine use, examining outcomes in clozapine users versus nonusers, and identifying inappropriate antipsychotic prescription patterns prior to clozapine initiation...
October 11, 2016: Journal of Clinical Psychiatry
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