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Bipolar Disorders

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https://www.readbyqxmd.com/read/29793078/comparison-of-performance-based-assessment-and-real-world-skill-in-people-with-serious-mental-illness-ecological-validity-of-the-test-of-grocery-shopping-skills
#1
Laura A Faith, Melisa V Rempfer
Valid functional measures are essential for clinical and research efforts that address recovery and community functioning in people with serious mental illness. Although there is a great deal of interest in functional assessment, there is limited research supporting how well current evaluation methods provide a true assessment of real world functioning or naturalistic behavior. To address this gap in the literature, the present study examined the performance of individuals with serious mental illness (i.e., diagnosis of schizophrenia-spectrum, bipolar disorder, or other depression/anxiety diagnoses and accompanying functional disability) on the Test of Grocery Shopping Skills (TOGSS), a performance-based naturalistic task...
May 7, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29792146/use-of-bipolar-radiofrequency-catheter-ablation-in-treatment-of-cardiac-arrhythmias
#2
Filip Soucek, Zdenek Starek
Background Arrhythmia management is a complex process involving both pharmacological and non-pharmacological approaches. Radiofrequency ablation is the pillar of non-pharmacological arrhythmia treatment. Unipolar ablation is considered to be the gold standard in the treatment of the majority of arrhythmias; however, its efficacy is limited to specific cases. In particular, the creation of deep or transmural lesions to eliminate intramurally originating arrhythmias remains inadequate. Bipolar ablation is proposed as an alternative to overcome unipolar ablation boundaries...
May 23, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29791934/discrepancies-between-nomenclature-and-indications-of-psychotropics
#3
Fusaka Minami, Joseph Zohar, Takefumi Suzuki, Teruki Koizumi, Masaru Mimura, Gohei Yagi, Hiroyuki Uchida
INTRODUCTION: While the current nomenclature of psychotropic drugs is disease-based, their approved indications do not always match their classifications. METHODS: Information on approved indications of "second-generation antipsychotics" and "newer antidepressants" that are available in the United States (US), the United Kingdom (UK), France, Germany, and Japan were extracted from their packet inserts. RESULTS: A significant proportion of "atypical antipsychotics" were approved for psychiatric conditions other than psychotic disorders (i...
May 23, 2018: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29790107/the-role-of-pharmacogenomics-in-bipolar-disorder-moving-towards-precision-medicine
#4
REVIEW
Claudia Pisanu, Urs Heilbronner, Alessio Squassina
Bipolar disorder (BD) is a common and disabling psychiatric condition with a severe socioeconomic impact. BD is treated with mood stabilizers, among which lithium represents the first-line treatment. Lithium alone or in combination is effective in 60% of chronically treated patients, but response remains heterogenous and a large number of patients require a change in therapy after several weeks or months. Many studies have so far tried to identify molecular and genetic markers that could help us to predict response to mood stabilizers or the risk for adverse drug reactions...
May 22, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29790085/white-matter-microstructure-in-bipolar-disorder-is-influenced-by-the-interaction-between-a-glutamate-transporter-eaat1-gene-variant-and-early-stress
#5
Sara Poletti, Irene Bollettini, Cristina Lorenzi, Alice Vitali, Silvia Brioschi, Alessandro Serretti, Cristina Colombo, Francesco Benedetti
Glutamate is the principal excitatory neurotransmitter in the central nervous system. In mature brains, it is critically involved in neuroplasticity and, at high levels, neurotoxicity. The concentrations of glutamate in the extracellular space are maintained at low physiological levels by molecular glutamate transporters (excitatory amino acid transporters-EAATs). Adverse childhood experiences (ACEs) are highly reported in bipolar disorder (BD) and interact with the glutamatergic system in the brain. The aim of the study is to investigate the effect of a glutamate transporter polymorphism EAAT2-181A > C (rs4354668) and exposure to ACE on white matter microstructure in patients with BD...
May 22, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29789269/anterior-cingulate-cortex-glutamatergic-metabolites-and-mood-stabilizers-in-euthymic-bipolar-i-disorder-patients-a-proton-magnetic-resonance-spectroscopy-study
#6
Marcio Gerhardt Soeiro-de-Souza, Maria Concepcion Garcia Otaduy, Rodrigo Machado-Vieira, Ricardo Alberto Moreno, Fabiano G Nery, Claudia Leite, Beny Lafer
BACKGROUND: Bipolar disorder is a chronic and recurrent illness characterized by depressive and manic episodes. Proton magnetic resonance spectroscopy (1 H-MRS) studies have demonstrated glutamate (Glu) system abnormalities in BD, but it is unclear how Glu varies among mood states and how medications modulate it. The objective of this study was to investigate the influence of mood stabilizers on anterior cingulate cortex Glu levels using 1 H-MRS during euthymia. METHODS: One hundred twenty-eight bipolar I disorder (BDI) euthymic subjects and 80 healthy control subjects underwent 3T brain 1 H-MRS imaging examination including acquisition of an anterior cingulate cortex single voxel (8 cm3 ) 1 H-MRS, based on a point resolved spectroscopy (PRESS) sequence with an echo time of 80 ms and a repetition time of 1500 ms (BIPUSP MRS study)...
March 31, 2018: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29788699/psychiatric-disorders-and-recidivism-among-korean-adolescents-on-probation-or-parole
#7
Yooli Lim, Eun-Jin Park, Bongseog Kim
Objective: The percentage of repeat offenders is increasing among juvenile offenders in Korea. The assessment and treatment of the mental health of young offenders may play an important role in reducing the recidivism rate of adolescents. This study examined the prevalence of psychiatric disorders among adolescents on probation or parole and the risk of recidivism associated with specific psychiatric disorders. Methods: We studied 120 adolescents on probation. The Mini-International Neuropsychiatric Interview and Conners' Rating Scale-Revised were used to diagnose psychiatric disorders...
May 24, 2018: Psychiatry Investigation
https://www.readbyqxmd.com/read/29787961/functional-outcome-and-social-cognition-in-bipolar-disorder-is-there-a-connection
#8
Maria Vlad, Delphine Raucher-Chéné, Audrey Henry, Arthur Kaladjian
BACKGROUND: Interest in social cognition in bipolar disorder (BD) has increased considerably over the past decade, with studies highlighting major impairments, especially in mental state reasoning, even during euthymia. A causal relationship between social cognition deficits and social functioning has already been established in individuals with schizophrenia, but there is still little information about links between social cognition and social functioning in BD. Our aim was therefore to review the relationship between functional outcome and social cognition in patients with BD...
May 19, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29785673/the-impact-of-transcranial-direct-current-stimulation-tdcs-on-bipolar-depression-mania-and-euthymia-a-systematic-review-of-preliminary-data
#9
Clément Dondé, Nicholas H Neufeld, Pierre A Geoffroy
The neurobiological basis of bipolar disorders (BD) has received increased attention and several brain regions and brain circuits have been correlated with clinical symptoms. These brain regions and circuits may represent targets for neuromodulation techniques such as transcranial Direct Current Stimulation (tDCS). We systematically reviewed the literature to explore the risks and benefits of tDCS in BD and examined all mood states. Following the PRISMA guidelines, a systematic literature search using several databases was performed from April 2002 to June 2017...
May 21, 2018: Psychiatric Quarterly
https://www.readbyqxmd.com/read/29782956/attentional-engagement-increases-inferior-frontal-gyrus-activity-and-mutes-limbic-activity-in-pediatric-bipolar-disorder-meta-analyses-of-fmri-studies
#10
Moon-Soo Lee, Purnima Anumagalla, Prasanth Talluri, Mani N Pavuluri
OBJECTIVES: Attentional deficit has been shown to exist in adult and pediatric bipolar disorder across the life span. Given that emotional dysregulation is central to bipolar disorder, this study hypothesizes that emotional circuitry regions are altered along with anomalies in the attentional systems during cognitive deployment in bipolar disorder. METHODS: An activation likelihood estimation meta-analysis of attentional activities using GingerALE software was completed for adult and pediatric bipolar disorder populations in all published studies till December 2017...
May 18, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29781886/axis-ii-personality-disorders-are-linked-to-an-adverse-course-of-bipolar-disorder
#11
Robert M Post, Susan McElroy, Ralph Kupka, Trisha Suppes, Gerhard Hellemann, Willem Nolen, Mark Frye, Paul Keck, Heinz Grunze, Michael Rowe
The relationship of personality disorder (PD) psychopathology to the course of bipolar disorder remains inadequately described. After giving informed consent, more than 782 outpatients with bipolar disorder rated themselves on the 99-item Personality Disorder Questionnaire, Version 4 (PDQ4) when depressed or euthymic. They also rated six poor prognosis factors (PPFs). The relationships of the PPFs to the total PDQ4 score were examined by a linear regression. Even after correcting for the higher PDQ4 scores observed when patients were suffering depression, the PDQ4 was significantly related to a history of child abuse, early age of onset, an anxiety disorder comorbidity, rapid cycling, and 20 or more previous episodes, but not substance abuse...
May 17, 2018: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/29781657/longitudinal-stability-of-cognitive-control-in-early-psychosis-nondegenerative-deficits-across-diagnoses
#12
Jason Smucny, Tyler A Lesh, Ana-Maria Iosif, Tara A Niendam, Laura M Tully, Cameron S Carter
Cognitive impairment, particularly in the domain of cognitive control, is characteristic of schizophrenia (SZ) spectrum and bipolar disorders (BDs). The longitudinal trajectory of these impairments, however, remains unclear. Indeed, some studies have observed degeneration and others stability or even improvement over time in these illnesses. Here we examined the longitudinal stability of the AX-Continuous Performance Task (AX-CPT), a cognitive control task, in 52 patients with recent-onset SZ (<2 years from first study measurement), 20 patients with recent-onset BD Type I with psychotic features, and 70 healthy control subjects...
May 21, 2018: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/29781205/double-trouble-weekend-sleep-changes-are-associated-with-increased-impulsivity-among-adolescents-with-bipolar-i-disorder
#13
Anda Gershon, Sheri L Johnson, Leigh Thomas, Manpreet K Singh
OBJECTIVES: Both sleep disruption and impulsivity are important predictors of the course of bipolar disorder (BD). Although sleep disruption has been shown to intensify impulsivity, little research has considered how these two important domains interact within BD. Adolescence is a critical period for the onset of BD, and is often associated with increases in impulsivity and substantial changes in sleep. We tested the hypothesis that disruptions in sleep would increase impulsivity among adolescents, and that this effect would be more pronounced among those with BD...
May 20, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29780538/competition-between-li-and-na-in-sodium-transporters-and-receptors-which-na-binding-sites-are-therapeutic-li-targets
#14
Todor Dudev, Karine Mazmanian, Carmay Lim
Sodium (Na+ ) acts as an indispensable allosteric regulator of the activities of biologically important neurotransmitter transporters and G-protein coupled receptors (GPCRs), which comprise well-known drug targets for psychiatric disorders and addictive behavior. How selective these allosteric Na+ -binding sites are for the cognate cation over abiogenic Li+ , a first-line drug to treat bipolar disorder, is unclear. Here, we reveal how properties of the host protein and its binding cavity affect the outcome of the competition between Li+ and Na+ for allosteric binding sites in sodium transporters and receptors...
May 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29779901/white-matter-disruptions-in-patients-with-bipolar-disorder
#15
Lucija Abramovic, Marco P M Boks, Annabel Vreeker, Sanne Verkooijen, Annet H van Bergen, Roel A Ophoff, René S Kahn, Neeltje E M van Haren
Bipolar disorder (BD) patients show aberrant white matter microstructure compared to healthy controls but little is known about the relation with clinical characteristics. We therefore investigated the relation of white matter microstructure with the main pharmacological treatments as well its relation with IQ. Patients with BD (N = 257) and controls (N = 167) underwent diffusion tensor imaging (DTI) and comprehensive clinically assessments including IQ estimates. DTI images were analyzed using tract-based spatial statistics...
May 17, 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29778935/different-levels-of-pro-and-anti-inflammatory-cytokines-in-patients-with-unipolar-and-bipolar-depression
#16
Ruizhi Mao, Chen Zhang, Jun Chen, Guoqing Zhao, Rubai Zhou, Fan Wang, Jingjing Xu, Tao Yang, Yousong Su, Jia Huang, Zhiguo Wu, Lan Cao, Yong Wang, Yingyan Hu, Chengmei Yuan, Zhenghui Yi, Wu Hong, Zuowei Wang, Daihui Peng, Yiru Fang
BACKGROUND: Immune system dysregulation is critical in the physiopathology of major depressive disorder (MDD) and bipolar disorder (BD). However, it is unclear whether both diseases present the same inflammatory patterns during depressive episodes. We explored the differences in pro- and anti-inflammatory cytokines between unipolar and bipolar depression (BDD) and the trajectory of these cytokines after acute-phase treatment. METHODS: Sixty-four MDD patients, 61 BDD patients, and 62 healthy controls (HCs) were enrolled...
April 25, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29778833/suicide-attempts-and-clinical-correlates-in-patients-with-bipolar-i-vs-ii-disorder
#17
EDITORIAL
Matteo Vismara, Benedetta Grancini, Laura Cremaschi, Lucio Oldani, Chiara Arici, Vera de Carlo, Shefali Miller, Terence A Ketter, A Carlo Altamura, Bernardo Dell'Osso
No abstract text is available yet for this article.
May 17, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29778806/evaluation-of-antioxidant-potential-of-novel-layered-double-hydroxides-with-caal-and-nial-loaded-with-olanzapine
#18
João Gomes Pontes-Neto, Danilo Augusto Ferreira Fontes, Magaly Andreza Marques de Lyra, Maria Dos Remédios Mendes de Brito, Luíse Lopes Chaves, Pedro José Rolim-Neto, Mônica Felts De La Roca Soares, Lucindo Jose Quintans Júnior, Rivelilson Mendes de Freitas, José Lamartine Soares-Sobrinho
Olanzapine (OLZ), Class II in the Biopharmaceutical Classification System, has low aqueous solubility, hindering its absorption after administration. It is used in the bipolar disorder and schizophrenia treatment, diseases that present the oxidative stress in their pathophysiology. In the search for new Drug Delivery Systems (DDS) that enhance the OLZ dissolution rate, it is also necessary to investigate its antioxidant potential for better understanding. Thus, this study aimed to evaluate the in vitro antioxidant potential of new olanzapine DDS based on two different types of Layered Double Hydroxides (LDH systems)...
May 17, 2018: Life Sciences
https://www.readbyqxmd.com/read/29778054/at-risk-symptoms-of-bipolar-disorder-in-a-university-student-cohort
#19
Ida S Haussleiter, Sandra Lorek, Eike Zeschel, Svenja Mattausch, Milena Meyers, Georg Juckel
To assess the occurrence and frequency of bipolar at-risk symptoms in a large sample of previously undiagnosed students using the new screening tool Bochumer Screeningbogen Bipolar (BSB). 2329 students of the Ruhr-University Bochum, Germany completed online demographic data as well as various self-rating questionnaires (BSB; Hypomania Checklist 32; Altman Self-Rating Mania Scale; Beck Depression Inventory). Within the student cohort (64.4% female, mean age 24.3 years) every fifth student currently suffered from moderate to severe depressive symptoms; every sixth student had already thought about suicide and every other student reported a history of mood swings...
May 6, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29777563/cognitive-and-functional-deficits-in-bipolar-disorder-and-schizophrenia-as-a-function-of-the-presence-and-history-of-psychosis
#20
Christopher R Bowie, Michael W Best, Colin Depp, Brent T Mausbach, Thomas L Patterson, Ann E Pulver, Philip D Harvey
OBJECTIVES: Schizophrenia and bipolar disorder overlap considerably. Schizophrenia is a primary psychotic disorder, whereas approximately half of people with bipolar disorder will experience psychosis. In this study, we examined the extent to which cognitive and functional impairments are related to the presence and history of psychosis across the two disorders. METHOD: A total of 633 participants with bipolar disorder I, schizophrenia, and schizoaffective disorder were recruited for a study on the genetics of cognition and functioning in bipolar disorder and schizophrenia...
May 18, 2018: Bipolar Disorders
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