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Schizophrenia and sleep

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https://www.readbyqxmd.com/read/28647492/eszopiclone-for-persistent-negative-symptoms-in-schizophrenia-an-unintended-n-of-1-study
#1
Urvakhsh Meherwan Mehta, Vinutha Ravishankar, Jagadisha Thirthalli
Persistent negative and cognitive symptoms in patients with schizophrenia pose a significant challenge to clinicians. Being a heterogeneous cluster of symptoms with potentially distinct underlying pathogenesis, it is important to examine novel therapies based on emerging neurobiological evidence. Eszopiclone is known to enhance the deficient sleep spindles that are related to impairments in learning and memory in schizophrenia. In this report we highlight the potential utility of eszopiclone in treating persistent negative symptoms in a patient with chronic schizophrenia...
June 21, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28640657/retinal-findings-on-oct-in-systemic-conditions
#2
Preeti Patil Chhablani, Vikas Ambiya, Akshay G Nair, Sailaja Bondalapati, Jay Chhablani
PURPOSE: Imaging technology has advanced by leaps and bounds in the recent past and has resulted in a much greater understanding of ocular diseases. The aim of this review article is to summarize optical coherence tomography (OCT) findings of various systemic conditions. METHOD: A systematic literature search of the Medline/PubMed database was performed. English articles up to April 2015 were included. Terms used for search included: Alzheimer's Disease; Multiple Sclerosis; Parkinson's Disease; Behçet's Disease; Schizophrenia; Migraine; Obstructive Sleep Apnea Syndrome; Neurofibromatosis; Sickle Cell Disease; Renal diseases; Lupus Retinopathy; Valsalva Retinopathy; Whiplash Retinopathy; Shaken-Baby Syndrome; Choroidal metastases; Intracranial Hypertension; Drug toxicity; Deferoxamine; Sildenafil; Tamoxifen; Hydroxychloroquine; Chloroquine; Ethambutol; Lead; Sickle Cell Disease; and Thalassemia along with OCT...
June 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28637633/physical-activity-correlates-among-people-with-psychosis-data-from-47-low-and-middle-income-countries
#3
Brendon Stubbs, Davy Vancampfort, Joseph Firth, Mats Hallgren, Felipe Schuch, Nicola Veronese, Marco Solmi, Fiona Gaughran, Kai G Kahl, Simon Rosenbaum, Philip B Ward, Andre F Carvalho, Ai Koyanagi
BACKGROUND: People with schizophrenia engage in low levels of physical activity (PA). However, few large-scale studies have investigated the factors that may influence PA participation in individuals with psychosis and data from low- and middle-income countries (LMICs) is especially scarce. Thus, we investigated PA correlates in a large sample of people with a psychosis diagnosis across 47 LMICs. METHODS: Cross-sectional data from the World Health Survey, restricting to those with a self-reported lifetime diagnosis of schizophrenia/psychotic disorder, was analyzed...
June 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28633578/the-imperative-to-screen-for-obstructive-sleep-apnoea-in-people-with-schizophrenia
#4
Stephen Parker, Bradford Johnston, Abigail Lane, Frances Dark, Dan Siskind
No abstract text is available yet for this article.
July 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/28599949/quetiapine-extended-release-versus-aripiprazole-in-children-and-adolescents-with-first-episode-psychosis-the-multicentre-double-blind-randomised-tolerability-and-efficacy-of-antipsychotics-tea-trial
#5
Anne Katrine Pagsberg, Pia Jeppesen, Dea Gowers Klauber, Karsten Gjessing Jensen, Ditte Rudå, Marie Stentebjerg-Olesen, Peter Jantzen, Simone Rasmussen, Eva Ann-Sofie Saldeen, Maj-Britt Glenn Lauritsen, Niels Bilenberg, Anne Dorte Stenstrøm, Louise Nyvang, Sarah Madsen, Thomas M Werge, Theis Lange, Christian Gluud, Maria Skoog, Per Winkel, Jens Richardt M Jepsen, Birgitte Fagerlund, Christoph U Correll, Anders Fink-Jensen
BACKGROUND: Head-to-head trials to guide antipsychotic treatment choices for paediatric psychosis are urgently needed because extrapolations from adult studies might not be implementable. In this superiority trial with two-sided significance testing, we aimed to compare the efficacy and safety of quetiapine-extended release (quetiapine-ER) versus aripiprazole in children and adolescents with first-episode psychosis, to determine whether differences between the two treatments were sufficient to guide clinicians in their choice of one drug over the other...
June 6, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28574288/chronotype-and-its-relationship-with-sleep-disorders-in-children-with-attention-deficit-hyperactivity-disorder
#6
Fatma Benk Durmuş, Ayşe Rodopman Arman, Ayşe Burcu Ayaz
Chronotype can be classified as morningness types, people who prefer morning hours for their physical and mental activities; eveningness types, people who prefer the afternoon or evening hours; and intermediate types, those who show characteristics of both morningness and eveningness types. Attention deficit hyperactivity disorder (ADHD) has been linked with disturbances in chronotype, particularly increased eveningness. Despite the possibility of an association between chronotypes, sleep disturbances and ADHD symptoms, there is little evidence of this association considering the child population...
June 2, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28549429/sleep-characteristics-in-child-and-adolescent-offspring-of-parents-with-bipolar-disorder-a-case-control-study
#7
Antonin Sebela, Tomas Novak, David Kemlink, Michal Goetz
BACKGROUND: Impairment of sleep and circadian rhythm is a typical feature of bipolar disorder (BD). We carried out an exploratory cross-sectional case-control study to extend the knowledge of sleep characteristics in offspring at risk for BD. METHODS: We investigated 42 offspring of bipolar parents (OB) (mean age 12.5 ± 3.2) and 42 sex and age matched comparison offspring of healthy parents. We administered the Pediatric Sleep Questionnaire, the Morningness/Eveningness Questionnaire and The General Behavior Inventory Sleep Subscale (GBISS) to assess circadian preference, and to identify sleep impairment symptoms...
May 26, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28503978/comparison-of-depression-symptoms-between-primary-depression-and-secondary-to-schizophrenia-depression
#8
Twana Rahim, Roshe Rashid
OBJECTIVES: This study exclusively aimed to clinically assess which symptom pattern discriminates primary depression from depression-secondary to-schizophrenia. METHODS: A total of 98 patients with primary depression and 71 patients with secondary-to-schizophrenia depression were assessed for identifying the clinical phenomena of depression. Diagnosis of schizophrenia was confirmed by Mini International Neuropsychiatric Interview. Each participant was, however, assessed by Patient Health Questionnaire-9 as well as Calgary Depression Scale for Schizophrenia (CDSS) for possible concurrent depressive symptoms...
May 15, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28487157/cerebrovascular-reactivity-measured-by-functional-magnetic-resonance-imaging-during-breath-hold-challenge-a-systematic-review
#9
REVIEW
Adam L Urback, Bradley J MacIntosh, Benjamin I Goldstein
Cerebrovascular reactivity (CVR) is the cerebral hemodynamic response to a vasoactive substance. Breath-hold (BH) induced CVR has the advantage of being non-invasive and easy to implement during magnetic resonance imaging (MRI). We systematically reviewed the literature regarding MRI measurement of BH induced CVR. The literature was searched using MEDLINE with the search terms breath-hold; and MRI or cerebrovascular reactivity. The search yielded 2244 results and 54 articles were included. Between-group comparisons have found that CVR was higher among healthy controls than patients with various pathologies (e...
August 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28483271/-mindful-neuropsychology-mindfulness-based-cognitive-remediation
#10
E Bulzacka, S Lavault, A Pelissolo, C Bagnis Isnard
OBJECTIVES: Mindfulness based interventions (MBI) have recently gained much interest in western medicine. MBSR paradigm is based on teaching participants to pay complete attention to the present experience and act nonjudgmentally towards stressful events. During this mental practice the meditator focuses his or her attention on the sensations of the body. While the distractions (mental images, thoughts, emotional or somatic states) arise the participant is taught to acknowledge discursive thoughts and cultivate the state of awareness without immediate reaction...
May 5, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28479324/theta-oscillations-during-active-sleep-synchronize-the-developing-rubro-hippocampal-sensorimotor-network
#11
Carlos Del Rio-Bermudez, Jangjin Kim, Greta Sokoloff, Mark S Blumberg
Neuronal oscillations comprise a fundamental mechanism by which distant neural structures establish and express functional connectivity. Long-range functional connectivity between the hippocampus and other forebrain structures is enabled by theta oscillations. Here, we show for the first time that the infant rat red nucleus (RN)-a brainstem sensorimotor structure-exhibits theta (4-7 Hz) oscillations restricted primarily to periods of active (REM) sleep. At postnatal day 8 (P8), theta is expressed as brief bursts immediately following myoclonic twitches; by P12, theta oscillations are expressed continuously across bouts of active sleep...
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28479102/septal-cholinergic-neuromodulation-tunes-the-astrocyte-dependent-gating-of-hippocampal-nmda-receptors-to-wakefulness
#12
Thomas Papouin, Jaclyn M Dunphy, Michaela Tolman, Kelly T Dineley, Philip G Haydon
The activation of the N-methyl D-aspartate receptor (NMDAR) is controlled by a glutamate-binding site and a distinct, independently regulated, co-agonist-binding site. In most brain regions, the NMDAR co-agonist is the astrocyte-derived gliotransmitter D-serine. We found that D-serine levels oscillate in mouse hippocampus as a function of wakefulness, in vitro and in vivo. This causes a full saturation of the NMDAR co-agonist site in the dark (active) phase that dissipates to sub-saturating levels during the light (sleep) phase, and influences learning performance throughout the day...
May 17, 2017: Neuron
https://www.readbyqxmd.com/read/28468274/clock-genes-and-altered-sleep-wake-rhythms-their-role-in-the-development-of-psychiatric-disorders
#13
Annaëlle Charrier, Bertrand Olliac, Pierre Roubertoux, Sylvie Tordjman
In mammals, the circadian clocks network (central and peripheral oscillators) controls circadian rhythms and orchestrates the expression of a range of downstream genes, allowing the organism to anticipate and adapt to environmental changes. Beyond their role in circadian rhythms, several studies have highlighted that circadian clock genes may have a more widespread physiological effect on cognition, mood, and reward-related behaviors. Furthermore, single nucleotide polymorphisms in core circadian clock genes have been associated with psychiatric disorders (such as autism spectrum disorder, schizophrenia, anxiety disorders, major depressive disorder, bipolar disorder, and attention deficit hyperactivity disorder)...
April 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28464848/experiences-perspectives-and-priorities-of-people-with-schizophrenia-spectrum-disorders-regarding-sleep-disturbance-and-its-treatment-a-qualitative-study
#14
Sophie Faulkner, Penny Bee
BACKGROUND: Sleep problems are very common in people with schizophrenia spectrum disorders, and impact negatively on functioning and wellbeing. Research regarding interventions to improve sleep in this population has been lacking. Little is known regarding these patient's perspectives on sleep problems and their treatment, providing very little foundation on which to develop acceptable and patient-centred treatments. METHODS: This study aims to explore perspectives and priorities of participants with schizophrenia spectrum disorders regarding sleep and sleep disturbance, and their perspectives on existing treatments...
May 2, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28463346/an-algorithmic-approach-to-the-management-of-insomnia-in-patients-with-schizophrenia
#15
Ridha Joober, Katherine Cole, Karim Tabbane, Diane B Boivin
BACKGROUND: Insomnia is an important problem in patients with schizophrenia and is an emerging area of interest for researchers. We propose a treatment algorithm that synthesizes the various psychological and pharmacological interventions for insomnia in this population. METHODS: Our selective literature review incorporates English language articles from 4 medicine databases through May 2016. Selected articles discuss risk factors and treatments for insomnia, as well as comorbid sleep disorders that coexist in this population...
May 2017: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/28458549/treatment-satisfaction-with-paliperidone-extended-release-tablets-open-label-study-in-schizophrenia-patients-dissatisfied-with-previous-antipsychotic-medication
#16
Fu De Yang, Juan Li, Yun Long Tan, Wei Ye Liang, Rongzhen Zhang, Ning Wang, Wei Feng, Shangli Cai, Jian Min Zhuo, Li Li Zhang
OBJECTIVE: The aim of this study was to evaluate the changes in treatment satisfaction after switching to paliperidone extended-release (ER) in Chinese schizophrenia patients dissatisfied with their previous antipsychotic treatment. METHODS: In this 8-week, open-label, single-arm, multicenter, prospective study, 1,693 patients dissatisfied with previous antipsychotic medication were enrolled and switched to paliperidone ER tablets (3-12 mg/d) based on clinical judgment...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28446040/characteristics-of-socially-withdrawn-youth-in-france-a-retrospective-study
#17
Nicolas Chauliac, Audrey Couillet, Sophie Faivre, Nassima Brochard, Jean-Louis Terra
BACKGROUND: Poor social interactions have been recognized as a symptom since the beginnings of psychiatry. As far as socially withdrawn youth (SWY) are concerned, studies were mostly conducted on patients seeking care. Our psychiatric outreach team called Psymobile was able to reach SWY patients who were not seeking mental health care. AIMS: To identify the clinical and socio-demographic characteristics of SWY patients referred to our Psymobile unit. METHOD: We carried out a retrospective study on the records of patients aged 18-34 years, who were referred to Psymobile for 'withdrawal', between April 2012 and December 2015...
April 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28393090/gender-specific-hippocampal-whole-genome-transcriptome-data-from-mice-lacking-the-cav2-3-r-type-or-cav3-2-t-type-voltage-gated-calcium-channel
#18
Anna Papazoglou, Christina Henseler, Andreas Lundt, Carola Wormuth, Julien Soos, Karl Broich, Dan Ehninger, Marco Weiergräber
Voltage-gated Ca(2+) channels are of central relevance in mediating numerous intracellular and transcellular processes including excitation-contraction coupling, excitation secretion-coupling, hormone and neurotransmitter release and gene expression. The Cav2.3 R-type Ca(2+) channel is a high-voltage activated channel which plays a crucial role in neurotransmitter release, long-term potentiation and hormone release. Furthermore, Cav2.3 R-type channels were reported to be involved in ictogenesis, epileptogenesis, fear behavior, sleep, pre-and postsynaptic integration and rhythmicity within the hippocampus...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28364465/coordination-of-slow-waves-with-sleep-spindles-predicts-sleep-dependent-memory-consolidation-in-schizophrenia
#19
Charmaine Demanuele, Ullrich Bartsch, Bengi Baran, Sheraz Khan, Mark G Vangel, Roy Cox, Matti Hämäläinen, Matthew W Jones, Robert Stickgold, Dara S Manoach
Study Objectives: Schizophrenia patients have correlated deficits in sleep spindle density and sleep-dependent memory consolidation. In addition to spindle density, memory consolidation is thought to rely on the precise temporal coordination of spindles with slow waves (SWs). We investigated whether this coordination is intact in schizophrenia and its relation to motor procedural memory consolidation. Methods: Twenty-one chronic medicated schizophrenia patients and 17 demographically matched healthy controls underwent two nights of polysomnography, with training on the finger tapping motor sequence task (MST) on the second night and testing the following morning...
January 1, 2017: Sleep
https://www.readbyqxmd.com/read/28349247/benzodiazepine-long-term-administration-is-associated-with-impaired-attention-working-memory-in-schizophrenia-results-from-the-national-multicentre-face-sz-data-set
#20
Guillaume Fond, F Berna, L Boyer, O Godin, L Brunel, M Andrianarisoa, B Aouizerate, D Capdevielle, I Chereau, J M Danion, C Dubertret, J Dubreucq, C Faget, F Gabayet, T Le Gloahec, P M Llorca, J Mallet, D Misdrahi, R Rey, R Richieri, C Passerieux, C Portalier, P Roux, A Vehier, H Yazbek, F Schürhoff, E Bulzacka
OBJECTIVE: The effect of benzodiazepine long-term administration (BLTA) in cognitive functioning of subjects with schizophrenia (SZ) has been partially explored to date. The objective was to assess BLTA-associated cognitive impairment with a comprehensive cognitive battery in a non-selected multicentric/national community-dwelling sample of stabilized SZ subjects. METHOD: 407 community-dwelling stabilized SZ subjects were consecutively included in the FondaMental Academic Centers of Expertise for Schizophrenia Cohort (FACE-SZ)...
March 27, 2017: European Archives of Psychiatry and Clinical Neuroscience
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