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https://www.readbyqxmd.com/read/29458058/lithium-modulates-the-muscarinic-facilitation-of-synaptic-plasticity-and-theta-gamma-coupling-in-the-hippocampal-prefrontal-pathway
#1
Rafael N Ruggiero, Matheus T Rossignoli, Cleiton Lopes-Aguiar, João P Leite, Lezio S Bueno-Junior, Rodrigo N Romcy-Pereira
Mood disorders are associated to functional unbalance in mesolimbic and frontal cortical circuits. As a commonly used mood stabilizer, lithium acts through multiple biochemical pathways, including those activated by muscarinic cholinergic receptors crucial for hippocampal-prefrontal communication. Therefore, here we investigated the effects of lithium on prefrontal cortex responses under cholinergic drive. Lithium-treated rats were anesthetized with urethane and implanted with a ventricular cannula for muscarinic activation, a recording electrode in the medial prefrontal cortex (mPFC), and a stimulating electrode in the intermediate hippocampal CA1...
February 16, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29452194/decompressive-craniectomy-protects-against-hippocampal-edema-and-behavioral-deficits-at-an-early-stage-of-a-moderately-controlled-cortical-impact-brain-injury-model-in-adult-male-rats
#2
Zonggang Hou, Runfa Tian, Feifei Han, Shuyu Hao, Weichuan Wu, Xiang Mao, Xiaogang Tao, Te Lu, Jinqian Dong, Yun Zhen, Baiyun Liu
A decompressive craniectomy (DC) has been shown to be a life-saving therapeutic treatment for traumatic brain injury (TBI) patients, which also might result in post-operative behavioral dysfunction. However, there is still no definite conclusion about whether the behavioral dysfunction already existed at an early stage after the DC operation or is just a long-term post-operation complication. Therefore, the aim of the present study was to analyze whether DC treatment was beneficial to behavioral function at an early stage post TBI...
February 13, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29449801/lithium-inhibits-gsk3%C3%AE-and-augments-glun2a-receptor-expression-in-the-prefrontal-cortex
#3
Sarah A Monaco, Brielle R Ferguson, Wen-Jun Gao
Glycogen synthase kinase 3β (GSK3β) is a highly conserved serine/threonine kinase that has been implicated in both psychiatric and neurodegenerative diseases including schizophrenia, bipolar disorder, and Alzheimer's disease; therefore regulating its activity has become an important strategy for treatment of cognitive impairments in these disorders. This study examines the effects of lithium on GSK3β and its interaction with β-catenin and NMDA receptors within the prefrontal cortex. Lithium, a clinically relevant drug commonly prescribed as a mood stabilizer for psychiatric disorders, significantly increased levels of phosphorylated GSK3β serine 9, an inhibitory phosphorylation site, and decreased β-catenin ser33/37/thr41 phosphorylation in vitro , indicating GSK3β inhibition and reduced β-catenin degradation...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29449055/adjunctive-antidepressants-in-bipolar-depression-a-cohort-study-of-six-and-twelve-months-rehospitalization-rates
#4
Yahav Shvartzman, Amir Krivoy, Avi Valevski, Shay Gur, Abraham Weizman, Eldar Hochman
Although antidepressants (ADs) are widely used in bipolar depression, there is weak evidence for their effectiveness and safety in this condition. Furthermore, there is a paucity of studies on the risk-benefit ratio of AD maintenance treatment in bipolar disorder (BD). We compared rehospitalization rates of patients with BD-I depressive episode who were discharged with mood stabilizers (MSs) and/or atypical antipsychotics (AAPs) with or without adjunctive AD. Ninety-eight patients with BD-I who were hospitalized with a depressive episode between 2005 and 2013 were retrospectively followed for 6-months and 1-year rehospitalization rates, as well as time to rehospitalization, according to treatment at discharge: MSs and/or AAPs with or without AD...
February 12, 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29441712/effectiveness-of-maintenance-therapy-of-lithium-vs-other-mood-stabilizers-in-monotherapy-and-in-combinations-a-systematic-review-of-evidence-from-observational-studies
#5
REVIEW
Lars Vedel Kessing, Michael Bauer, Willem A Nolen, Emanuel Severus, Guy M Goodwin, John Geddes
OBJECTIVES: For the first time to present a systematic review of observational studies on the efficiency of lithium monotherapy in comparison with other maintenance mood stabilizers in monotherapy and in combination. METHODS: As part of the International Society for Bipolar Disorders (ISBD) Task Force on Lithium Treatment, we undertook a systematic literature search of non-randomized controlled observational studies on (i) lithium monotherapy vs treatment with another maintenance mood stabilizer in monotherapy and (ii) lithium in combination with other mood stabilizers vs monotherapy...
February 14, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29441653/cognitive-control-under-stressful-conditions-in-transitional-age-youth-with-bipolar-disorder-diagnostic-and-sleep-related-differences-in-fronto-limbic-activation-patterns
#6
Adriane M Soehner, Tina R Goldstein, Sarah M Gratzmiller, Mary L Phillips, Peter L Franzen
OBJECTIVES: Adults with bipolar disorder (BD) display aberrant activation in fronto-limbic neural circuitry during cognitive control. However, fronto-limbic response to cognitive control, and factors destabilizing this circuitry, remain under-studied during the transition from adolescence to young adulthood in BD. Sleep patterns are disturbed in BD, undergo change in adolescence, and support brain function. Among transitional age youth, BD diagnosis and sleep (duration and variability) were tested as predictors of fronto-limbic response to a stressful cognitive control task...
February 13, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29425665/newly-diagnosed-bipolar-disorder-and-the-subsequent-risk-of-erectile-dysfunction-a-nationwide-cohort-study
#7
Po-Hsun Hou, Frank Chiahung Mao, Geng-Ruei Chang, Min-Wei Huang, Yao-Ting Wang, Shiau-Shian Huang
BACKGROUND: Although erectile dysfunction (ED) is a common problem in men with mental disorders, there are few reports in the literature on the relation between bipolar disorder (BD) and ED. AIMS: To establish the incidence rate of ED in men with BD and assess the risk of ED in patients with BD according to type of treatment offered or no active treatment with medication during the 1st year of onset. METHODS: We identified 5,150 men with newly diagnosed BD using Taiwan's National Health Insurance Research Database...
February 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29425063/psychotropic-medication-patterns-for-american-indian-children-in-foster-care
#8
David Glesener, Gwendolyn Anderson, Xuan Li, Jacob Brown, James Amell, Ronald Regal, Donald Ferguson
OBJECTIVE: This study assesses the effects of race, age, sex, and time spent in foster care on rates of psychotropic medication use for children in foster care in 2012. METHODS: Using existing electronic records through county Social Service and Minnesota Medical Assistance databases, 626 children were identified using the inclusion criteria of having been in foster care for at least 30 days during 2012 in St. Louis County, Minnesota. All prescriptions for dispensed psychotropic medications were identified into the following classes: antidepressants, attention-deficit/hyperactivity disorder (ADHD) medications, antipsychotics, alpha-agonists, and other (including anticonvulsants/mood stabilizers, lithium, benzodiazepines, and sedative hypnotics)...
February 9, 2018: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29416381/all-guns-blazing-management-and-survival-of-massive-valproic-acid-overdose-case-report-and-literature-review
#9
Shaikha Al Jawder, Eiman AlJishi, Shaikhah Al-Otaibi, Mohammed S Al-Shahrani
A 51-year-old woman, who intentionally ingested a massive dose of ~60 g of valproic acid which she was using as a mood stabilizer for bipolar affective disorder, presented within 30 minutes of ingestion to the emergency department. The patient was asymptomatic and was immediately started on decontamination therapy with activated charcoal (AC). Drug serum levels, liver functions, and ammonia levels were tested and followed up during treatment. Due to the massive ingestion and continuous rise in serum drug levels, the patient received regular multiple doses of AC, as well as l-carnitine for liver protection...
2018: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/29404840/lithium-inhibits-gsk3%C3%AE-activity-via-two-different-signaling-pathways-in-neurons-after-spinal-cord-injury
#10
Baoman Li, Jiaan Ren, Li Yang, Xiaowei Li, Guangfeng Sun, Maosheng Xia
Spinal cord injury (SCI) is a type of long-term disability with a high morbidity rate in clinical settings for which there is no effective clinical treatment to date. Usually, lithium is used as a popular mood stabilizer. Recently, growing evidence has shown that lithium has clear neuroprotective effects after SCI, and the administration of lithium can effectively improve locomotor recovery. However, the exact neuroprotective mechanism of lithium is still not understood. Glycogen synthase kinase-3 beta (GSK3β) is a serine/threonine kinase that plays an important role in the neuroprotective effects of lithium both in vivo and in vitro...
February 5, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29396753/tobacco-smoking-is-associated-with-antipsychotic-medication-physical-aggressiveness-and-alcohol-use-disorder-in-schizophrenia-results-from-the-face-sz-national-cohort
#11
J Mallet, Y Le Strat, F Schürhoff, N Mazer, C Portalier, M Andrianarisoa, B Aouizerate, F Berna, L Brunel, D Capdevielle, I Chereau, T D'Amato, J Dubreucq, C Faget, F Gabayet, R M Honciuc, C Lançon, P M Llorca, D Misdrahi, R Rey, P Roux, A Schandrin, M Urbach, P Vidailhet, G Fond, C Dubertret
Tobacco smoking is common in schizophrenia and is one of the main causes of premature mortality in this disorder. Little is known about clinical correlates and treatments associated with tobacco smoking in patients with schizophrenia. Still, a better characterization of these patients is necessary, in a personalized care approach. Aggressiveness and childhood trauma have been associated with tobacco smoking in general population, but this association has never been explored in schizophrenia. Our study examines the clinical and therapeutic characteristics of tobacco smoking in schizophrenia...
February 2, 2018: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/29388825/perfectionistic-cognitions-stability-variability-and-changes-over-time
#12
Elisabeth Prestele, Christine Altstötter-Gleich
The construct of perfectionistic cognitions is defined as a state-like construct resulting from a perfectionistic self-schema and activated by specific situational demands. Only a few studies have investigated whether and how perfectionistic cognitions change across different situations and whether they reflect stable between-person differences or also within-person variations over time. We conducted 2 studies to investigate the variability and stability of 3 dimensions of perfectionistic cognitions while situational demands changed (Study 1) and on a daily level during a highly demanding period of time (Study 2)...
February 1, 2018: Journal of Personality Assessment
https://www.readbyqxmd.com/read/29372569/intravenous-ketamine-infusion-for-a-patient-with-treatment-resistant-major-depression-a-10-month-follow-up
#13
J H Kwon, W S Sim, J P Hong, I S Song, J Y Lee
WHAT IS KNOWN AND OBJECTIVE: Ketamine in a subanaesthetic dose has been shown to produce rapid antidepressant effects. Here, we describe a long-term follow-up case of a Korean patient with severe major depression who received repeated ketamine intravenous therapy (KIT). CASE DESCRIPTION: A 49-year-old woman with a 6-year history of treatment-resistant major depression was given KIT once every 1 or 2 weeks over 10 months, for a total of 36 treatments. Her mood stabilized, and she showed a nearly 50% reduction in the severity of her depressive symptom...
January 25, 2018: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/29369597/how-long-does-the-pharmacokinetic-interaction-between-carbamazepine-and-quetiapine-last-after-carbamazepine-withdrawal
#14
(no author information available yet)
OBJECTIVES: Carbamazepine and quetiapine are drugs that are used as mood stabilizers in the treatment of bipolar disorders. A series of studies has shown that concurrent use of carbamazepine decreases quetiapine serum level due to induction of CYP3A enzymes by carbamazepine. METHODS: In a 30-year-old bipolar patient with mania treated with quetiapine 1200 mg and carbamazepine 900 mg per day, we measured quetiapine serum level before and after carbamazepine withdrawal...
December 25, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29362595/protocol-for-a-systematic-review-and-meta-analysis-of-lithium-anticonvulsive-or-atypical-antipsychotic-drugs-for-treatment-of-refractory-obsessive-compulsive-disorder
#15
R Soleimani, M M Jalali, A Keshtkar, S M Jalali
INTRODUCTION: Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder that causes significant distress to the afflicted individual. About half of OCD patients treated with an adequate trial of serotonin reuptake inhibitors fail to fully respond to treatment and continue to exhibit significant symptoms. Therefore, there is a need for other agents to alleviate the symptoms of these disorders. In spite of considerable research including numerous randomized controlled trials and systematic reviews, there exists uncertainty regarding what treatments are effective...
October 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29361880/an-overview-of-pharmacotherapy-for-bipolar-i-disorder
#16
Anne Michal Morsel, Manuel Morrens, Bernard Sabbe
Bipolar I disorder (BD I) is complex with a chronic course that significantly impacts a sufferer's quality of life. As of right now, there are many available treatments that aim to rapidly treat manic or depressive episodes and stabilize mood. The purpose of this report is to provide an up-to-date comprehensive review of the available evidence-based trials of pharmacotherapy for the treatment of BD I. Areas covered: This paper reviews randomized active comparator-controlled or placebo-controlled trials evaluating the use of current pharmacotherapy in adults with BD I from phase III to clinical practice...
January 23, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29352532/the-impact-of-severe-mental-disorders-and-psychotropic-medications-on-sexual-health-and-its-implications-for-clinical-management
#17
Angel L Montejo, Laura Montejo, David S Baldwin
Sexual dysfunction often accompanies severe psychiatric illness and can be due to both the mental disorder itself and the use of psychotropic treatments. Many sexual symptoms resolve as the mental state improves, but treatment-related sexual adverse events tend to persist over time, and are unfortunately under-recognized by clinicians and scarcely investigated in clinical trials. Treatment-emergent sexual dysfunction adversely affects quality of life and may contribute to reduce treatment adherence. There are important differences between the various compounds in the incidence of adverse sexual effects, associated with differences in mechanisms of action...
February 2018: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/29341323/test-retest-reliability-and-longitudinal-analysis-of-automated-hippocampal-subregion-volumes-in-healthy-ageing-and-alzheimer-s-disease-populations
#18
Amanda Worker, Danai Dima, Anna Combes, William R Crum, Johannes Streffer, Steven Einstein, Mitul A Mehta, Gareth J Barker, Steve C R Williams, Owen O'daly
The hippocampal formation is a complex brain structure that is important in cognitive processes such as memory, mood, reward processing and other executive functions. Histological and neuroimaging studies have implicated the hippocampal region in neuropsychiatric disorders as well as in neurodegenerative diseases. This highly plastic limbic region is made up of several subregions that are believed to have different functional roles. Therefore, there is a growing interest in imaging the subregions of the hippocampal formation rather than modelling the hippocampus as a homogenous structure, driving the development of new automated analysis tools...
January 16, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29338576/effect-of-clinical-response-to-active-drugs-and-placebo-on-antipsychotics-and-mood-stabilizers-relative-efficacy-for-bipolar-depression-and-mania-a-meta-regression-analysis
#19
Francesco Bartoli, Massimo Clerici, Carmen Di Brita, Ilaria Riboldi, Cristina Crocamo, Giuseppe Carrà
BACKGROUND: Randomised placebo-controlled trials investigating treatments for bipolar disorder have been hampered by wide variations of active drugs and placebo clinical response rates. It is important to estimate whether the active drug or placebo response has a greater influence in determining the relative efficacy of drugs for psychosis (antipsychotics) and relapse prevention (mood stabilisers) for bipolar depression and mania. METHODS: We identified 53 randomised, placebo-controlled trials assessing antipsychotic or mood stabiliser monotherapy ('active drugs') for bipolar depression or mania...
January 1, 2018: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29338277/assessment-of-inpatient-psychiatric-readmission-risk-among-patients-discharged-on-an-antipsychotic-polypharmacy-regimen-a-retrospective-cohort-study
#20
Esad Boskailo, Aldin Malkoc, Dustin B McCurry, Jacob Venter, David Drachman, Gilbert M Ramos
OBJECTIVE: Patients are frequently prescribed multiple antipsychotic medications, leading to higher healthcare costs and increased risk for side effects. The efficacy of multiple versus single antipsychotics to prevent acute relapse, measured by incidence of inpatient readmission, is investigated in Arizona, USA. METHOD: A retrospective chart review compared socio-demographic and clinical data from 1,010 patients discharged on a single and 377 discharged on multiple antipsychotic medications...
November 2017: Acta Medica Academica
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