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https://www.readbyqxmd.com/read/28306616/optimal-dosing-of-risperidone-and-olanzapine-in-the-maintenance-treatment-for-patients-with-schizophrenia-and-related-psychotic-disorders-a-retrospective-multicenter-study
#1
Yusaku Yoshimura, Toshihiko Takeda, Yoshiki Kishi, Toshiki Harada, Akira Nomura, Kenji Washida, Bunta Yoshimura, Kojiro Sato, Yuji Yada, Shozo Aoki
OBJECTIVES: This study aims to determine the optimal tolerability dose ranges of risperidone (RIS) and olanzapine (OLZ) administered during schizophrenia maintenance phase. METHODS: Two-year continuation rates of prescription at discharge were examined using a retrospective cohort study method. Adult patients with schizophrenia and related psychotic disorders, receiving antipsychotic monotherapy with RIS or OLZ at discharge, were included. The primary outcome measures were the time to treatment discontinuation and 2-year continuation rates at 4 modal dose ranges of each drug...
March 17, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28303968/sex-differences-in-dna-methylation-of-the-cord-blood-are-related-to-sex-bias-psychiatric-diseases
#2
Mariana Maschietto, Laura Caroline Bastos, Ana Carolina Tahira, Elen Pereira Bastos, Veronica Luiza Vale Euclydes, Alexandra Brentani, Günther Fink, Angelica de Baumont, Aloísio Felipe-Silva, Rossana Pulcineli Vieira Francisco, Gisele Gouveia, Sandra Josefina Ferraz Ellero Grisi, Ana Maria Ulhoa Escobar, Carlos Alberto Moreira-Filho, Guilherme Vanoni Polanczyk, Euripedes Constantino Miguel, Helena Brentani
Sex differences in the prevalence of psychiatric disorders are well documented, with exposure to stress during gestation differentially impacting females and males. We explored sex-specific DNA methylation in the cord blood of 39 females and 32 males born at term and with appropriate weight at birth regarding their potential connection to psychiatric outcomes. Mothers were interviewed to gather information about environmental factors (gestational exposure) that could interfere with the methylation profiles in the newborns...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28296627/predictors-of-early-relapse-among-adolescent-crack-users
#3
Ronaldo Lopes-Rosa, Félix P Kessler, Thiago G Pianca, Luciano Guimarães, Pedro Ferronato, Esequiel Pagnussat, Helena Moura, Flavio Pechansky, Lisia von Diemen
Relapse is associated with a poor prognosis among drug users. Crack cocaine users are more prone to severe dependence because of the intensity of use. Additionally, initiating drug use during adolescence worsens users' prognosis due to the increased rates of impulsivity and other risk behaviors. This study aimed to identify the predictors of early relapse among adolescent crack users discharged from inpatient treatment. A cohort study was conducted with 89 psychiatric inpatients aged 12-17 years from two different hospitals in southern Brazil who met the criteria for crack abuse or dependence...
February 15, 2017: Journal of Addictive Diseases
https://www.readbyqxmd.com/read/28296070/a-retrospective-case-comparison-study-of-the-relationship-between-an-integrated-care-pathway-for-people-diagnosed-with-schizophrenia-in-acute-mental-health-care-and-service-users-length-of-stay-readmission-rates-and-follow-up-within-7-days-of-discharge
#4
Julie Hall, Susan Brown, Tim Carter, Patrick Callaghan
BACKGROUND: Integrated Care Pathways (ICPs) are used to deliver mental health services, yet evidence relating to outcomes is mixed. AIM: To compare service users' length of stay, readmission rates and follow up within 7 days of discharge in a mental health Trust using an ICP to direct the care of people diagnosed with schizophrenia with a Trust using a non-ICP method of care planning in England. METHOD: A cohort study with a random sample of 400 service users with outcomes analysed retrospectively...
March 14, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28293047/personality-driving-behavior-and-mental-disorders-factors-as-predictors-of-road-traffic-accidents-based-on-logistic-regression
#5
Seyyed Salman Alavi, Mohammad Reza Mohammadi, Hamid Souri, Soroush Mohammadi Kalhori, Fereshteh Jannatifard, Ghazal Sepahbodi
BACKGROUND: The aim of this study was to evaluate the effect of variables such as personality traits, driving behavior and mental illness on road traffic accidents among the drivers with accidents and those without road crash. METHODS: In this cohort study, 800 bus and truck drivers were recruited. Participants were selected among drivers who referred to Imam Sajjad Hospital (Tehran, Iran) during 2013-2015. The Manchester driving behavior questionnaire (MDBQ), big five personality test (NEO personality inventory) and semi-structured interview (schizophrenia and affective disorders scale) were used...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28290080/a-retrospective-cohort-study-of-acute-kidney-injury-risk-associated-with-antipsychotics
#6
Yawen Jiang, Jeffrey S McCombs, Susie H Park
BACKGROUND: A recent large database analysis raised concerns of potential acute kidney injury (AKI) risk associated with antipsychotics. However, whether individual atypical and typical antipsychotics are associated with differential AKI risks has not been investigated. OBJECTIVE: The current study compared the risks of AKI and known causes of AKI associated with a broad range of atypical and typical antipsychotics. METHOD: This retrospective cohort analysis used January 2007-June 2013 US nationwide Humana claims data to define episodes of antipsychotic drug therapy for patients with schizophrenia and bipolar disorder...
March 13, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28289279/next-gen-sequencing-identifies-non-coding-variation-disrupting-mirna-binding-sites-in-neurological-disorders
#7
P Devanna, X S Chen, J Ho, D Gajewski, S D Smith, A Gialluisi, C Francks, S E Fisher, D F Newbury, S C Vernes
Understanding the genetic factors underlying neurodevelopmental and neuropsychiatric disorders is a major challenge given their prevalence and potential severity for quality of life. While large-scale genomic screens have made major advances in this area, for many disorders the genetic underpinnings are complex and poorly understood. To date the field has focused predominantly on protein coding variation, but given the importance of tightly controlled gene expression for normal brain development and disorder, variation that affects non-coding regulatory regions of the genome is likely to play an important role in these phenotypes...
March 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28282638/high-doses-of-antipsychotic-polypharmacy-are-related-to-an-increase-in-serum-levels-of-pentosidine-in-patients-with-schizophrenia
#8
Takahiro Sannohe, Tohru Ohnuma, Masayoshi Takeuchi, Eriko Tani, Yasue Miki, Mayu Takeda, Narimasa Katsuta, Yuto Takebayashi, Toru Nakamura, Shohei Nishimon, Ayako Kimoto, Ryoko Higashiyama, Nobuto Shibata, Tomohito Gohda, Yusuke Suzuki, Sho-Ichi Yamagishi, Yasuhiko Tomino, Heii Arai
BACKGROUND: Carbonyl stress in patients with schizophrenia has been reported to be reflected by an increase in peripheral pentosidine levels. This cohort study tested whether the accumulation of pentosidine was related to the disease severity or the treatment (routine administration of high antipsychotic doses). METHODS: We followed up our original investigation using a new group of 137 patients with acute schizophrenia and 45 healthy subjects, and then pooled the two cohorts to conduct the following analysis on a total of 274 patients...
March 7, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28282630/differences-in-the-symptom-profile-of-methamphetamine-related-psychosis-and-primary-psychotic-disorders
#9
Rebecca McKetin, Amanda L Baker, Sharon Dawe, Alexandra Voce, Dan I Lubman
We examined the lifetime experience of hallucinations and delusions associated with transient methamphetamine-related psychosis (MAP), persistent MAP and primary psychosis among a cohort of dependent methamphetamine users. Participants were classified as having (a) no current psychotic symptoms, (n=110); (b) psychotic symptoms only when using methamphetamine (transient MAP, n=85); (c) psychotic symptoms both when using methamphetamine and when abstaining from methamphetamine (persistent MAP, n=37), or (d) meeting DSM-IV criteria for lifetime schizophrenia or mania (primary psychosis, n=52)...
February 13, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28277310/antipsychotic-medication-and-remission-of-psychotic-symptoms-10years-after-a-first-episode-psychosis
#10
Regitze Sølling Wils, Ditte Resendal Gotfredsen, Carsten Hjorthøj, Stephen F Austin, Nikolai Albert, Rikke Gry Secher, Anne Amalie Elgaard Thorup, Ole Mors, Merete Nordentoft
BACKGROUND: Several national guidelines recommend continuous use of antipsychotic medication after a psychotic episode in order to minimize the risk of relapse. However some studies have identified a subgroup of patients who obtain remission of psychotic symptoms while not being on antipsychotic medication for a period of time. This study investigated the long-term outcome and characteristics of patients in remission of psychotic symptoms with no use of antipsychotic medication at the 10-year follow-up...
October 27, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/28274335/continuity-of-medication-management-in-medicaid-patients-with-chronic-comorbid-conditions-an-examination-by-mental-health-status
#11
Joel F Farley, Richard A Hansen, Marisa E Domino, Mrudula Borse, Nirosha Mahendraratnam, Neepa Ray, Matthew L Maciejewski
OBJECTIVE: Patients with serious mental illness (SMI) often have comorbid cardiometabolic conditions (CMCs) that may increase the number of prescribers involved in treatment. This study examined whether patients with SMI (depression and schizophrenia) and comorbid CMCs experience greater discontinuity of prescribing than patients with CMCs alone. METHODS: 2009 Medicaid data were used to compare number and types of prescribers (primary care, cardiometabolic, psychiatric, other) in individuals with 1-3 CMCs (diabetes, hypertension, dyslipidemia) alone (n=76...
March 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28270387/statin-prescribing-for-people-with-severe-mental-illnesses-a-staggered-cohort-study-of-real-world-impacts
#12
R Blackburn, D Osborn, K Walters, M Falcaro, I Nazareth, I Petersen
OBJECTIVES: To estimate the 'real-world effectiveness of statins for primary prevention of cardiovascular disease (CVD) and for lipid modification in people with severe mental illnesses (SMI), including schizophrenia and bipolar disorder. DESIGN: Series of staggered cohorts. We estimated the effect of statin prescribing on CVD outcomes using a multivariable Poisson regression model or linear regression for cholesterol outcomes. SETTING: 587 general practice (GP) surgeries across the UK reporting data to The Health Improvement Network...
March 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28267822/occlusal-dysesthesia-a-clinical-report-on-the-psychosomatic-management-of-a-japanese-patient-cohort
#13
Hitoshi Oguchi, Yu Yamauchi, Yasuyo Karube, Nobue Suzuki, Katsushi Tamaki
PURPOSE: A cohort of Japanese patients diagnosed with occlusal dysesthesia (OD) was clinically analyzed for psychosomatic background, management, and treatment outcome. MATERIALS AND METHODS: The study group comprised 61 patients (17 men and 44 women) who met the OD criteria. Treatment outcomes were categorized as improvement, interruption, and transfer to another department. RESULTS: The diagnosed OD was resolved in 25 patients (41%), 20 patients (33%) discontinued treatment, 13 (21%) were referred or transferred to other specialties such as psychiatry, and 3 (5%) continued to receive treatment following an engagement period of 3 months, 2 years, and 5 years, respectively...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28259864/-an-attempt-to-identify-22q11-2-microdeletions-in-samples-of-the-hungarian-schizophrenia-dna-bank-by-multiplex-ligation-based-probe-amplification-mlpa-literature-review-methodology-and-results
#14
Izabella Klein, Katalin Szocs, Katalin Vincze, Judit Benkovits, Szilvia Somogyi, Levente Herman, Janos M Rethelyi
Schizophrenia is a severe debilitating psychiatric disorder, with a typical onset in adolescence or early adulthood. This condition is characterized by heterogeneous symptoms (hallucinations, delusions, disorganized behaviour, affective flattening, and social isolation) and a life-time prevalence of 0.5-1.2%. In spite of the efforts to uncover the etiology of the disorder, its pathogenesis and neurobiological background are poorly understood. Given the high heritability in schizophrenia, genetic research remains an important area of focus...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28259861/-investigation-of-cntf-comt-ddr1-disc1-drd2-drd3-and-dtnbp1-candidate-genes-in-schizophrenia-results-from-the-hungarian-schizobank-consortium
#15
Judit Benkovits, Szilvia Magyarosi, Attila J Pulay, Zoltan Makkos, Aniko Egerhazi, Nora Balogh, Peter Almos, Istvan Liko, Hungarian Schizobank Consortium, Gyorgy Nemeth, Judit Maria Molnar, Laszlo Nagy, Janos M Rethelyi
Schizophrenia is a chronic, debilitating psychiatric disorder characterized by heterogeneous clinical symptoms. Although the pathogenesis of this disorder is poorly understood, several lines of evidence support the role of both common and rare genetic variants in the etiology of schizophrenia. Common variants, single nucleotide polymorphisms can be investigated by candidate gene association studies or genome-wide association studies, while rare variants, single nucleotide variants are assessable by means of candidate gene resequencing or whole-exome and genome sequencing using next generation sequencing...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28249639/baseline-demographics-clinical-features-and-predictors-of-conversion-among-200-individuals-in-a-longitudinal-prospective-psychosis-risk-cohort
#16
G Brucato, M D Masucci, L Y Arndt, S Ben-David, T Colibazzi, C M Corcoran, A H Crumbley, F M Crump, K E Gill, D Kimhy, A Lister, S A Schobel, L H Yang, J A Lieberman, R R Girgis
BACKGROUND: DSM-5 proposes an Attenuated Psychosis Syndrome (APS) for further investigation, based upon the Attenuated Positive Symptom Syndrome (APSS) in the Structured Interview for Psychosis-Risk Syndromes (SIPS). SIPS Unusual Thought Content, Disorganized Communication and Total Disorganization scores predicted progression to psychosis in a 2015 NAPLS-2 Consortium report. We sought to independently replicate this in a large single-site high-risk cohort, and identify baseline demographic and clinical predictors beyond current APS/APSS criteria...
March 2, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28242106/possible-role-of-rare-variants-in-trace-amine-associated-receptor-1-in-schizophrenia
#17
Jibin John, Prachi Kukshal, Triptish Bhatia, K V Chowdari, V L Nimgaonkar, S N Deshpande, B K Thelma
Schizophrenia (SZ) is a chronic mental illness with behavioral abnormalities. Recent common variant based genome wide association studies and rare variant detection using next generation sequencing approaches have identified numerous variants that confer risk for SZ, but etiology remains unclear propelling continuing investigations. Using whole exome sequencing, we identified a rare heterozygous variant (c.545G>T; p.Cys182Phe) in Trace amine associated receptor 1 gene (TAAR1 6q23.2) in three affected members in a small SZ family...
February 24, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28241183/association-of-gestational-weight-gain-and-maternal-body-mass-index-in-early-pregnancy-with-risk-for-nonaffective-psychosis-in-offspring
#18
Euan Mackay, Christina Dalman, Håkan Karlsson, Renee M Gardner
Importance: Prenatal exposure to famine is associated with a 2-fold risk for nonaffective psychoses. Less is known about whether maternal nutrition states during pregnancy modify offspring risk for nonaffective psychoses in offspring in well-fed populations. Objective: To determine whether gestational weight gain (GWG) during pregnancy and maternal body mass index (BMI) in early pregnancy are associated with risk for nonaffective psychoses in offspring. Design, Setting and Participants: This population-based cohort study used data from Swedish health and population registers to follow up 526 042 individuals born from January 1, 1982, through December 31, 1989, from 13 years of age until December 31, 2011...
February 22, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28238293/the-weighting-is-the-hardest-part-on-the-behavior-of-the-likelihood-ratio-test-and-the-score-test-under-a-data-driven-weighting-scheme-in-sequenced-samples
#19
Camelia C Minică, Giulio Genovese, Christina M Hultman, René Pool, Jacqueline M Vink, Michael C Neale, Conor V Dolan, Benjamin M Neale
Sequence-based association studies are at a critical inflexion point with the increasing availability of exome-sequencing data. A popular test of association is the sequence kernel association test (SKAT). Weights are embedded within SKAT to reflect the hypothesized contribution of the variants to the trait variance. Because the true weights are generally unknown, and so are subject to misspecification, we examined the efficiency of a data-driven weighting scheme. We propose the use of a set of theoretically defensible weighting schemes, of which, we assume, the one that gives the largest test statistic is likely to capture best the allele frequency-functional effect relationship...
April 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28238173/chronic-low-grade-peripheral-inflammation-is-associated-with-severe-nicotine-dependence-in-schizophrenia-results-from-the-national-multicentric-face-sz-cohort
#20
G Fond, F Berna, M Andrianarisoa, O Godin, M Leboyer, L Brunel, B Aouizerate, D Capdevielle, I Chereau, T D'Amato, H Denizot, C Dubertret, J Dubreucq, C Faget, F Gabayet, P M Llorca, J Mallet, D Misdrahi, C Passerieux, R Richieri, R Rey, A Schandrin, M Urbach, P Vidailhet, L Boyer, F Schürhoff
Chronic peripheral inflammation (CPI) has been associated with cognitive impairment in schizophrenia (SZ). However, its sources remain unclear, more specifically it is not known whether tobacco smoking is a source of inflammation or not in SZ subjects. Moreover, nicotine (NIC), the major psychoactive compound of tobacco, shows strong anti-inflammatory properties in vitro, as well as inducing a severe biological dependence when administered repeatedly. The objective of the present study was to determine if CPI was associated with tobacco smoking and/or NIC dependence in schizophrenia...
February 25, 2017: European Archives of Psychiatry and Clinical Neuroscience
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