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Psychosis and sleep

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https://www.readbyqxmd.com/read/27911311/risk-factors-and-pathological-substrates-associated-with-agitation-aggression-in-alzheimer-s-disease-a-preliminary-study-using-nacc-data
#1
Simrin Sennik, Tom A Schweizer, Corinne E Fischer, David G Munoz
BACKGROUND: Neuropsychiatric symptoms are common manifestations of Alzheimer's disease (AD). A number of studies have targeted psychosis, i.e., hallucinations and delusions in AD, but few have assessed agitation/aggression in AD. OBJECTIVE: To investigate the risk factors and pathological substrates associated with presence [A(+)] and absence [A(-)] of agitation/aggression (A) in autopsy-confirmed AD. METHODS: Data was collected from the UDS data as of 2015 on the NACC database...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27824625/intolerance-of-dolutegravir-containing-combination-antiretroviral-therapy-regimens-in-real-life-clinical-practice
#2
Mark G J de Boer, Guido E L van den Berk, Natasja van Holten, Josephine E Oryszcyn, Willemien Dorama, Daoud Ait Moha, Kees Brinkman
OBJECTIVE: Dolutegravir (DGV) is one of the preferred antiretroviral agents in first-line combination antiretroviral therapy (cART). Though considered to be a well tolerated drug, we aimed to determine the actual rate, timing and detailed motivation of stopping DGV in a real-life clinical setting. DESIGN: A cohort study including all patients who started DGV in two HIV treatment centers in The Netherlands. METHODS: All cART-naïve and cART-experienced patients who had started DGV were identified from the institutional HIV databases...
November 28, 2016: AIDS
https://www.readbyqxmd.com/read/27817827/do-depressive-symptoms-predict-paranoia-or-vice-versa
#3
Steffen Moritz, Anja S Göritz, Benjamin McLean, Stefan Westermann, Jeannette Brodbeck
BACKGROUND AND OBJECTIVES: Affective versus nonaffective psychoses are today no longer regarded as mutually exclusive disorders. Theorists have recently highlighted the role of affective symptoms in the formation of paranoid beliefs, particularly negative beliefs about the self, interpersonal sensitivity, sleep disturbances, and worrying, which exist along a continuum in the general population. For the present study, we tested the bidirectional causal relationships between paranoia and affect...
October 18, 2016: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/27796261/the-epidemiology-of-back-pain-and-its-relationship-with-depression-psychosis-anxiety-sleep-disturbances-and-stress-sensitivity-data-from-43-low-and-middle-income-countries
#4
Brendon Stubbs, Ai Koyanagi, Trevor Thompson, Nicola Veronese, Andre F Carvalho, Marco Solomi, James Mugisha, Patricia Schofield, Theodore Cosco, Nicky Wilson, Davy Vancampfort
BACKGROUND: Back pain (BP) is a leading cause of global disability. However, population-based studies investigating its impact on mental health outcomes are lacking, particularly among low- and middle-income countries (LMICs). Thus, the primary aims of this study were to: (1) determine the epidemiology of BP in 43 LMICs; (2) explore the relationship between BP and mental health (depression spectrum, psychosis spectrum, anxiety, sleep disturbances and stress). METHODS: Data on 190,593 community-dwelling adults aged ≥18 years from the World Health Survey (WHS) 2002-2004 were analyzed...
November 2016: General Hospital Psychiatry
https://www.readbyqxmd.com/read/27785919/pharmacotherapies-for-parkinson-s-disease-symptoms-related-to-cholinergic-degeneration
#5
Santiago Perez-Lloret, María Cecilia Peralta, Francisco J Barrantes
Dopamine depletion is one of the most important features of Parkinson's Disease (PD). However, insufficient response to dopaminergic replacement therapy suggests the involvement of other neurotransmitter systems in the pathophysiology of PD. Cholinergic degeneration contributes to gait impairments, cognitive impairment, psychosis, and REM-sleep disturbances, among other symptoms. Areas covered: In this review, we explore the idea that enhancing cholinergic tone by pharmacological or neurosurgical procedures could be a first-line therapeutic strategy for the treatment of symptoms derived from cholinergic degeneration in PD...
November 7, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27721206/the-cortical-thickness-correlates-of-clinical-manifestations-in-the-mid-stage-sporadic-parkinson-s-disease
#6
Xia Deng, Chun-Yan Tang, Jie Zhang, Lei Zhu, Zun-Chun Xie, Hong-Han Gong, Xiang-Zuo Xiao, Ren-Shi Xu
The cortical thickness has gained an extensive attention as a pathological alteration of sporadic Parkinson's disease (sPD), the alteration of pathological cortical thickness may distinctly contribute to the consistent clinical manifestations. Therefore, we investigated the cortical thickness correlates of clinical manifestations in the mid-stage sPD from the Han population of Chinese mainland (HPCM). A sample of 67 mid-stage sPD patients and 35 matched controls from HPCM were performed a corticometry of magnetic resonance imaging (MRI) and the assessment of clinical manifestations including the demographic and disease-related characteristics, and underwent the final analysis of the cortical thickness correlates with the clinical manifestations...
October 28, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27681148/adverse-drug-reactions-associated-with-antiretroviral-therapy-in-south-africa
#7
Sumeshni Birbal, Mukesh Dheda, Elizabeth Ojewole, Frasia Oosthuizen
South Africa has one of the highest prevalences of HIV and AIDS in the world. HIV/AIDS patients face countless challenges, one of which is the risk of adverse drug reactions (ADRs). This study aimed to describe the ADRs reported in South Africa with reference to the type of ADRs, antiretrovirals (ARVs) implicated, seriousness of the ADRs and patient demographics associated with specific ADRs. A retrospective quantitative study was carried out using ADR reports submitted to the National Department of Health (NDoH) from 1 January 2010 to 31 December 2014...
September 2016: African Journal of AIDS Research: AJAR
https://www.readbyqxmd.com/read/27677169/intolerance-of-dolutegravir-containing-cart-regimens-in-real-life-clinical-practice
#8
Mark de Boer, Guido van den Berk, Natasja van Holten, Josephine Oryszczyn, Willemien Dorama, Daoud Ait Moha, Kees Brinkman
OBJECTIVE: Dolutegravir (DGV) is one of the preferred antiretroviral agents in first line cART. Though considered a well-tolerated drug, we aimed to determine the actual rate, timing, and detailed motivation of stopping DGV in a real life clinical setting. DESIGN: a cohort study including all patients that started DGV in two HIV treatment centers in the Netherlands. METHODS: All cART-naïve and cART-experienced patients who had started DGV were identified from the institutional HIV-databases...
September 24, 2016: AIDS
https://www.readbyqxmd.com/read/27647317/association-between-resting-state-microstates-and-ratings-on-the-amsterdam-resting-state-questionnaire
#9
Evaldas Pipinis, Sigita Melynyte, Thomas Koenig, Lina Jarutyte, Klaus Linkenkaer-Hansen, Osvaldas Ruksenas, Inga Griskova-Bulanova
There is a gap in understanding on how physiologically observed activity is related to the subjective, internally oriented experience during resting state. Microstate analysis is a frequent approach to evaluate resting-state EEG. But the relationship of commonly observed resting-state microstates to psychological domains of resting is not clear. The Amsterdam Resting-State Questionnaire (ARSQ) was recently introduced, offering an effective way to quantify subjective states after a period of resting and associate these quantifiers to psychological and physiological variables...
September 19, 2016: Brain Topography
https://www.readbyqxmd.com/read/27630581/risk-factors-for-obstructive-sleep-apnea-are-prevalent-in-people-with-psychosis-and-correlate-with-impaired-social-functioning-and-poor-physical-health
#10
Dennis Liu, Hannah Myles, Debra L Foley, Gerald F Watts, Vera A Morgan, David Castle, Anna Waterreus, Andrew Mackinnon, Cherrie Ann Galletly
BACKGROUND: Obstructive sleep apnea (OSA) in the general community is associated with obesity, smoking, alcohol, and sedative medication use and contributes to depressed mood, daytime sedation, and sudden cardiovascular deaths. Poor cardiovascular health, impaired social functioning, and negative and cognitive symptoms are also among the common clinical features of psychotic disorders. People with psychosis have higher rates of sleep disturbance; however, OSA has not been extensively investigated in this population...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27611731/development-and-validation-of-an-lc-ms-ms-assay-for-the-quantification-of-efavirenz-in-different-biological-matrices
#11
Paul Curley, Marco Siccardi, Darren M Moss, Andrew Owen
AIM: The non-nucleoside reverse transcriptase inhibitor efavirenz is one of the most prescribed antiretroviral therapeutics. Efavirenz-containing therapy has become associated with the occurrence of CNS side effects, including sleep disturbances, depression and even psychosis. RESULTS: The investigation of efavirenz distribution required the development of a versatile and sensitive method. In addition to plasma, quantification was required in brain tissue and phosphate-buffered saline...
October 2016: Bioanalysis
https://www.readbyqxmd.com/read/27609312/pimavanserin-for-the-treatment-of-parkinson-s-disease-psychosis
#12
Ines Chendo, Joaquim J Ferreira
INTRODUCTION: Parkinson´s disease (PD) is a synucleinopathy that affects millions of people worldwide and leads to progressive disability. Psychosis is highly prevalent in PD patients and is associated with poor prognosis. Until April 2016, there were no licensed drugs available in the United States of America (USA) for the treatment of PD psychosis (PDP). Pimavanserin is the first Food and Drug Administration approved medicine for the treatment of hallucinations and delusions associated with PDP...
October 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27573215/non-motor-symptoms-in-portuguese-parkinson-s-disease-patients-correlation-and-impact-on-quality-of-life-and-activities-of-daily-living
#13
Paulo Bugalho, Tânia Lampreia, Rita Miguel, Marcelo D Mendonça, André Caetano, Raquel Barbosa
The prevalence of non-motor symptoms (NMS) in Parkinson's Disease (PD) has varied between studies. Their interrelation isn't totally understood. Also, the relative importance of each symptom, regarding its impact on activities of daily living (ADL) and health related quality of life (HRQL), remains debatable. We assessed all PD patients attending a Portuguese tertiary movement disorders center during one year (n = 134), with ADL, HRQL and other clinical scales approved for identifying the most relevant NMS in PD...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27562855/physical-activity-levels-and-psychosis-a-mediation-analysis-of-factors-influencing-physical-activity-target-achievement-among-204-186-people-across-46-low-and-middle-income-countries
#14
Brendon Stubbs, Ai Koyanagi, Felipe Schuch, Joseph Firth, Simon Rosenbaum, Fiona Gaughran, James Mugisha, Davy Vancampfort
Physical activity (PA) can help reduce cardiovascular disease and premature mortality in people with psychosis. However, there is a paucity of representative data on PA in people with psychosis, especially from low- and middle-income countries (LMICs). Moreover, data on subclinical psychosis and PA is absent. This study explored whether complying with PA recommendations of 150 minutes of moderate-vigorous PA per week is related to: (1) psychotic symptoms without a psychosis diagnosis (subclinical psychosis); and (2) clinical psychosis (psychosis diagnosis)...
August 24, 2016: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/27533053/premotor-symptoms-as-predictors-of-outcome-in-parkinsons-disease-a-case-control-study
#15
Yu-Hsuan Wu, Wei-Ju Lee, Yi-Huei Chen, Ming-Hong Chang, Ching-Heng Lin
BACKGROUND: To evaluate the association between the premotor symptoms and the prognosis of PD. METHODS: A total of 1213 patients who were diagnosed of PD from January 2001 to December 2008 were selected from the Taiwan's National Health Insurance Research Database. Patients were traced back to determine the presence of premotor symptoms, including rapid eye movement sleep behavior disorder (RBD), depression, and constipation. Cox's regression analysis was used to detect the risks between the occurrence of premotor symptoms and the outcome (including death, psychosis, accidental injury, dementia and aspiration pneumonia)...
2016: PloS One
https://www.readbyqxmd.com/read/27435086/emerging-psychiatric-syndromes-associated-with-antivoltage-gated-potassium-channel-complex-antibodies
#16
Harald Prüss, Belinda R Lennox
Antibodies against the voltage-gated potassium channel (VGKC) were first recognised as having a potential pathogenic role in disorders of the central nervous system in 2001, with VGKC antibodies described in patients with limbic encephalitis, and the subsequent seminal paper describing the clinical phenotype and immunotherapy treatment responsiveness in 13 patients with VGKC antibodies and limbic encephalitis in 2004. These initial case descriptions were of a progressive neuropsychiatric syndrome with abnormalities of mood, sleep and cognition recognised alongside the neurological symptoms of seizures and autonomic instability...
November 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27362488/high-resolution-examination-of-the-role-of-sleep-disturbance-in-predicting-functioning-and-psychotic-symptoms-in-schizophrenia-a-novel-experience-sampling-study
#17
Lee D Mulligan, Gillian Haddock, Richard Emsley, Sandra T Neil, Simon D Kyle
Sleep disturbance is common in schizophrenia, but its role in predicting functioning and psychotic symptoms has yet to be rigorously examined. The purpose of this study was to conduct a prospective, high-resolution examination of the relationship between nightly sleep and next-day functioning and psychotic symptoms in people with a diagnosis of schizophrenia. Experience sampling methodology was integrated with actigraphy and sleep diaries across 7 days in 22 patients with a diagnosis of schizophrenia. Momentary assessments of mood, psychotic symptoms, and functioning were gathered at 5 points each day following pseudorandom schedules...
August 2016: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27343471/schizophrenia-the-role-of-sleep-and-circadian-rhythms-in-regulating-dopamine-and-psychosis
#18
Nathanael James Yates
Schizophrenia has long been associated with abnormalities in circadian rhythms and sleep. Up until now, there have been no thorough reviews of the potential mechanisms behind the myriad of circadian and sleep abnormalities observed in schizophrenia and psychosis. We present evidence of sleep playing an important role in psychosis predominantly mediated by dopaminergic pathways. A synthesis of both human and animal experimental work suggests that the interplay between sleep and dopamine is important in the generation and maintenance of psychosis...
October 1, 2016: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/27312429/psychosis-in-parkinson-s-disease-epidemiology-pathophysiology-and-management
#19
REVIEW
Anna Chang, Susan H Fox
Psychotic symptoms are common in Parkinson's disease (PD) and are associated with poorer quality of life and increased caregiver burden. PD psychosis is correlated with several factors, such as more advanced disease, cognitive impairment, depression, and sleep disorders. The underlying causes of psychosis in PD thus involve a complex interplay between exogenous (e.g., drugs, intercurrent illnesses) and endogenous (e.g., PD disease pathology) factors. Current theories of the pathophysiology of PD psychosis have come from several neuropathological and neuroimaging studies that implicate pathways involving visual processing and executive function, including temporo-limbic structures and neocortical gray matter with altered neurotransmitter functioning (e...
July 2016: Drugs
https://www.readbyqxmd.com/read/27249079/cannabis-and-neuropsychiatry-1-benefits-and-risks
#20
Chittaranjan Andrade
Cannabis is popularly believed to be a relatively benign substance. Cannabis is also considered to have potential medical benefits, and medical marijuana has been legislated in many parts of the world. However, a recent meta-analysis found that cannabinoids were associated with only modest benefits for chemotherapy-related nausea and vomiting, small and inconsistent benefits for pain and spasticity, and inconclusive benefits for other indications such as improvement of appetite and weight, reduction in tic severity, and improvement of mood or sleep...
May 2016: Journal of Clinical Psychiatry
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