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https://www.readbyqxmd.com/read/28521005/using-directed-acyclic-graphs-in-epidemiological-research-in-psychosis-an-analysis-of-the-role-of-bullying-in-psychosis
#1
Giusi Moffa, Gennaro Catone, Jack Kuipers, Elizabeth Kuipers, Daniel Freeman, Steven Marwaha, Belinda R Lennox, Matthew R Broome, Paul Bebbington
Modern psychiatric epidemiology researches complex interactions between multiple variables in large datasets. This creates difficulties for causal inference. We argue for the use of probabilistic models represented by directed acyclic graphs (DAGs). These capture the dependence structure of multiple variables and, used appropriately, allow more robust conclusions about the direction of causation. We analyzed British national survey data to assess putative mediators of the association between bullying victimization and persecutory ideation...
May 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28508656/-prevention-in-psychiatry
#2
Jiří Raboch
Mental disorders affect annually about one-fifth of the population and represent one of the biggest health burdens of the mankind in the 21st century. Despite great achievements of drug therapy, biological therapy and psychotherapeutic methods psychological problems in the present society are rather increasing. Therefore, attention also focuses on primary prevention of mental disorders, which is possible and effective.
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28498004/a-sequential-implementation-model-for-workforce-development-a-case-study-of-medical-residency-training-for-substance-use-concerns
#3
Patricia S O'Sullivan, Patrick Yuan, Derek D Satre, Maria Wamsley, Jason Satterfield
PROBLEM: In graduate medical education, residency programs are often educationally isolated from each other, with varying needs and patient populations, so strategies are needed when attempting to implement training in evidence-based practices across multiple residencies. INTERVENTION: Using implementation science as a guide, we adapted a community development model to sequentially implement an evidence-based intervention, Screening, Brief Intervention, and Referral to Treatment (SBIRT) for alcohol and drug use problems, across internal medicine, pediatrics, emergency medicine, psychiatry, and obstetrics and gynecology residency programs...
May 12, 2017: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/28492425/identifying-patient-and-provider-specific-gaps-in-care-among-patients-with-hepatitis-b
#4
Tatyana Kushner, Robert Lam, Daniel L Gray, David E Kaplan, Marina Serper
GOALS: To examine patient, provider, and health system barriers to clinical follow-up among US veterans with chronic hepatitis B virus (HBV). BACKGROUND: Studies have demonstrated deficiencies in clinical care and follow-up in HBV; however, patient, provider, and health-system barriers in non-Asian populations are understudied. STUDY: A retrospective cohort of 517 US veterans with chronic HBV at 3 diverse Veterans Affairs sites from 1999 to 2015...
May 10, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28487868/severe-symptomatic-acute-hyponatremia-in-traumatic-brain-injury-responded-very-rapidly-to-a-single-15-mg-dose-of-oral-tolvaptan-a-mayo-clinic-health-system-hospital-experience-need-for-caution-with-tolvaptan-in-younger-patients-with-preserved-renal-function
#5
Macaulay Amechi Chukwukadibia Onuigbo, Nneoma Agbasi
Tolvaptan is now well established as a potent pharmaceutical agent for symptomatic hyponatremia from syndrome of inappropriate antidiuretic hormone secretion (SIADH), congestive heart failure and liver cirrhosis. Previous studies had recruited older (63-65 years) patients with mild renal impairment (serum creatinine, 1.3-1.4 mg/dl). A 2012 report in the Journal of Neurology, Neurosurgery & Psychiatry described tolvaptan as a "lifesaving drug". A major outcome concern in the treatment of chronic hyponatremia is potentially fatal pontine demyelination from over-rapid correction of serum sodium >0...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28486308/effect-of-n-desalkylquetiapine-quetiapine-plasma-level-ratio-on-anxiety-and-depression-in-bipolar-disorder-a-prospective-observational-study
#6
C Rovera, M C Mauri, C Di Pace, S Paletta, A Reggiori, V Ciappolino, D Cattaneo, S Baldelli, E Clementi, A C Altamura
BACKGROUND: The aim of this study was to analyse the relationships between quetiapine and N-desalkylquetiapine plasma levels and clinical improvement, particularly, in regard to depressive and anxious symptoms and to hostility. METHODS: This was a prospective observational study that involved 37 outpatients diagnosed as having bipolar disorder I or II. All the patients were observed during a clinical acute and postacute phase. Patients were prescribed 50-800 mg of quetiapine...
May 5, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28483293/population-pharmacokinetics-of-valproic-acid-in-patients-with-mania-implication-for-individualized-dosing-regimens
#7
Janthima Methaneethorn
PURPOSE: This study characterized the population pharmacokinetic properties of valproic acid in patients with mania and determined potential factors that affect the pharmacokinetic properties of valproic acid in this population. METHODS: Routine therapeutic drug monitoring of valproic acid concentrations, demographic data, and concomitant medications from 206 hospitalized patients with mania were retrospectively collected from Somdet Chaopraya Institute of Psychiatry and Srithanya Hospital, Thailand...
May 5, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28477247/why-psychiatry-needs-3-4-methylenedioxymethamphetamine-a-child-psychiatrist-s-perspective
#8
REVIEW
Ben Sessa
Since the late 1980s the psychoactive drug 3,4-methylenedioxymethamphetamine (MDMA) has had a well-known history as the recreationally used drug ecstasy. What is less well known by the public is that MDMA started its life as a therapeutic agent and that in recent years an increasing amount of clinical research has been undertaken to revisit the drug's medical potential. MDMA has unique pharmacological properties that translate well to its proposed agent to assist trauma-focused psychotherapy. Psychological trauma-especially that which arises early in life from child abuse-underpins many chronic adult mental disorders, including addictions...
May 5, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28470111/serum-clomipramine-and-desmethylclomipramine-levels-in-a-cyp2c19-and-cyp2d6-intermediate-metabolizer
#9
Jacob T Brown, Mark Schneiderhan, Seenae Eum, Jeffrey R Bishop
Pharmacogenetics within psychiatry has the potential to aid in the dose and selection of medications. A substantial number of psychiatric medications are metabolized through either of the highly polymorphic drug-metabolizing enzymes CYP2D6 and CYP2C19. Of these, clomipramine is subject to metabolism by both CYP2C19 and CYP2D6, leaving individuals with deficiencies of these drug-metabolizing enzymes at risk of higher concentrations of the parent molecule. Herein, we present the case of a 29-year-old male with diagnoses of depression and obsessive compulsive disorder who had trialed and failed a dozen psychiatric medications, many of which are subject to metabolism by CYP2D6 and/or CYP2C19, and had most recently been taking clomipramine for approximately 2...
May 4, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28461695/a-hippocampus-to-prefrontal-cortex-neural-pathway-inhibits-food-motivation-through-glucagon-like-peptide-1-signaling
#10
T M Hsu, E E Noble, C M Liu, A M Cortella, V R Konanur, A N Suarez, D J Reiner, J D Hahn, M R Hayes, S E Kanoski
The hippocampus and the medial prefrontal cortex (mPFC) are traditionally associated with regulating memory and executive function, respectively. The contribution of these brain regions to food intake control, however, is poorly understood. The present study identifies a novel neural pathway through which monosynaptic glutamatergic ventral hippocampal field CA1 (vCA1) to mPFC connectivity inhibits food-motivated behaviors through vCA1 glucagon-like peptide-1 receptor (GLP-1R). Results demonstrate that vCA1-targeted RNA interference-mediated GLP-1R knockdown increases motivated operant responding for palatable food...
May 2, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28443617/the-therapeutic-potential-of-psychedelic-drugs-past-present-and-future
#11
Robin L Carhart-Harris, Guy M Goodwin
Plant-based psychedelics such as psilocybin have an ancient history of medicinal use. After the first English-language report on LSD in 1950, psychedelics enjoyed a short-lived relationship with psychology and psychiatry. Used most notably as aides to psychotherapy for the treatment of mood disorders and alcohol dependence, drugs such as LSD showed initial therapeutic promise before prohibitive legislature in the mid-1960s effectively ended all major psychedelic research programmes. Since the early 1990s, there has been a steady revival of human psychedelic research: last year saw reports on the first modern brain imaging study with LSD and 3 separate clinical trials of psilocybin for depressive symptoms...
April 26, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28441884/targeting-neuronal-dysfunction-in-schizophrenia-with-nicotine-evidence-from-neurophysiology-to-neuroimaging
#12
Jason Smucny, Jason R Tregellas
Patients with schizophrenia self-administer nicotine at rates higher than is self-administered for any other psychiatric illness. Although the reasons are unclear, one hypothesis suggests that nicotine is a form of 'self-medication' in order to restore normal levels of nicotinic signaling and target abnormalities in neuronal function associated with cognitive processes. This brief review discusses evidence from neurophysiological and neuroimaging studies in schizophrenia patients that nicotinic agonists may effectively target dysfunctional neuronal circuits in the illness...
April 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28441272/treating-smoking-in-adults-with-co-occurring-acute-psychiatric-and-addictive-disorders
#13
Smita Das, Norval J Hickman, Judith J Prochaska
OBJECTIVES: Tobacco use is undertreated in individuals with psychiatric and substance use disorders (SUDs), with concerns that quitting smoking may compromise recovery. We evaluated outcomes of a tobacco intervention among psychiatric patients with co-occurring SUDs. METHODS: Data from 2 randomized tobacco treatment trials conducted in inpatient psychiatry were combined; analyses focused on the subsample with co-occurring SUDs (n = 216). Usual care provided brief advice to quit and nicotine replacement therapy during the smoke-free hospitalization...
April 24, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28439100/ventral-striatal-regulation-of-crem-mediates-impulsive-action-and-drug-addiction-vulnerability
#14
M L Miller, Y Ren, H Szutorisz, N A Warren, C Tessereau, G Egervari, A Mlodnicka, M Kapoor, B Chaarani, C V Morris, G Schumann, H Garavan, A M Goate, M J Bannon, J M Halperin, Y L Hurd
Impulsivity, a multifaceted behavioral hallmark of attention-deficit/hyperactivity disorder (ADHD), strongly influences addiction vulnerability and other psychiatric disorders that incur enormous medical and societal burdens yet the neurobiological underpinnings linking impulsivity to disease remain poorly understood. Here we report the critical role of ventral striatal cAMP-response element modulator (CREM) in mediating impulsivity relevant to drug abuse vulnerability. Using an ADHD rat model, we demonstrate that impulsive animals are neurochemically and behaviorally more sensitive to heroin and exhibit reduced Crem expression in the nucleus accumbens core...
April 25, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28430672/lamotrigine-uses-in-psychiatric-practice-beyond-bipolar-prophylaxis-a-hope-or-hype
#15
Ahmed Naguy, Najah Al-Enezi
BACKGROUND: Lamotrigine (LAM), an antiepileptic, with panoply of indications and uses in neurology, is FDA approved, in psychiatry, for bipolar prophylaxis. Apart from this indication, trend of its use in psychiatry is on the rise addressing a multitude of disorders. STUDY QUESTION: LAM remains one of only few psychotropic drugs with antiglutamate activity. This might render LAM a potential therapeutic option in treatment-resistant major psychiatric disorders. We reviewed LAM pharmacology and its diverse indications while examining the extant evidence...
April 19, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28420604/a-digital-tool-to-promote-alcohol-and-drug-use-screening-brief-intervention-and-referral-to-treatment-skill-translation-a-mobile-app-development-and-randomized-controlled-trial-protocol
#16
Derek D Satre, Khanh Ly, Maria Wamsley, Alexa Curtis, Jason Satterfield
BACKGROUND: Translation of knowledge and skills from classroom settings to clinical practice is a major challenge in healthcare training, especially for behavioral interventions. For example, screening, brief intervention, and referral to treatment (SBIRT) is a highly-promoted approach to identifying and treating individuals at risk for alcohol or drug problems, yet effective, routine use of SBIRT has lagged. OBJECTIVE: The objective of this paper is to describe the development, pilot testing, and trial protocol of a mobile app based on the theory of planned behavior (TPB) to promote SBIRT skill translation and application...
April 18, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28418224/commentary-a-new-drug-nomenclature-for-psychiatry-prospects-and-hazards
#17
S Nassir Ghaemi
No abstract text is available yet for this article.
April 18, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28416810/the-joint-impact-of-cognitive-performance-in-adolescence-and-familial-cognitive-aptitude-on-risk-for-major-psychiatric-disorders-a-delineation-of-four-potential-pathways-to-illness
#18
K S Kendler, H Ohlsson, R S E Keefe, K Sundquist, J Sundquist
How do joint measures of premorbid cognitive ability and familial cognitive aptitude (FCA) reflect risk for a diversity of psychiatric and substance use disorders? To address this question, we examined, using Cox models, the predictive effects of school achievement (SA) measured at age 16 and FCA-assessed from SA in siblings and cousins, and educational attainment in parents-on risk for 12 major psychiatric syndromes in 1 140 608 Swedes born 1972-1990. Four developmental patterns emerged. In the first, risk was predicted jointly by low levels of SA and high levels of FCA-that is a level of SA lower than would be predicted from the FCA...
April 18, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28411504/severe-insomnia-is-associated-with-hypertriglyceridemia-in-women-with-major-depression-treated-in-psychiatry-settings
#19
Jean-François Costemale-Lacoste, Séverine Trabado, Céline Verstuyft, Khalil El Asmar, Florence Butlen-Ducuing, Romain Colle, Florian Ferreri, Mircea Polosan, Emmanuel Haffen, Beverley Balkau, Bruno Falissard, Bruno Feve, Laurent Becquemont, Emmanuelle Corruble
BACKGROUND: Hypertriglyceridemia (HTG) is a cardiovascular risk factor. In the general population, elevated fasting triglyceridemia (TG) is associated with insomnia. Since insomnia is a core symptom of Major Depressive Episodes (MDE), we studied the association of severe insomnia with HTG in major depression. METHODS: We used the baseline data of the METADAP cohort, comprising 624 patients with a current MDE in a context of Major Depressive Disorder treated in psychiatry settings, without current alcohol use disorders...
April 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28408985/new-drugs-in-psychiatry-focus-on-new-pharmacological-targets
#20
REVIEW
Filippo Caraci, Gian Marco Leggio, Salvatore Salomone, Filippo Drago
The approval of psychotropic drugs with novel mechanisms of action has been rare in recent years. To address this issue, further analysis of the pathophysiology of neuropsychiatric disorders is essential for identifying new pharmacological targets for psychotropic medications. In this report, we detail drug candidates being examined as treatments for psychiatric disorders. Particular emphasis is placed on agents with novel mechanisms of action that are being tested as therapies for depression, schizophrenia, or Alzheimer's disease...
2017: F1000Research
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