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https://www.readbyqxmd.com/read/28343112/the-impact-of-australian-legislative-changes-on-synthetic-cannabinoid-exposures-reported-to-the-new-south-wales-poisons-information-centre
#1
Rose Cairns, Jared A Brown, Naren Gunja, Nicholas A Buckley
BACKGROUND: The emergence of new psychoactive substances (NPS), including synthetic cannabinoid receptor agonists (SCRAs) poses novel challenges for drug regulation and public health. Misconceptions of safety and legality, coupled with the fact that NPS are undetectable on routine drugs screens contributes to their popularity. Concerns over the unpredictable toxicity and abuse potential of NPS has led to a variety of legislative responses worldwide. We wish to describe Australian trends in SCRA use, examining the effects of legislative changes on calls to Australia's largest poisons centre...
March 23, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28338760/childhood-maltreatment-and-young-adulthood-hallucinations-delusional-experiences-and-psychosis-a-longitudinal-study
#2
Amanuel Alemu Abajobir, Steve Kisely, James G Scott, Gail Williams, Alexandra Clavarino, Lane Strathearn, Jake Moses Najman
Child maltreatment is a widespread public health problem associated with a range of mental health disorders later in life. In order to effectively address these disorders, there is a need to understand more about the mental health consequences of different types of child maltreatment. This study examines the associations between prospectively substantiated child maltreatment (ages 0-14 y) and reports of hallucinations and delusional experiences at 21 years after birth. As well, we examined 12-month and lifetime psychotic disorders using data from a longitudinal birth cohort...
January 30, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28334978/therapeutic-window-of-dopamine-d2-3-receptor-occupancy-to-treat-psychosis-in-alzheimer-s-disease
#3
Suzanne Reeves, Emma McLachlan, Julie Bertrand, Fabrizia D Antonio, Stuart Brownings, Akshay Nair, Suki Greaves, Alan Smith, David Taylor, Joel Dunn, Paul Marsden, Robert Kessler, Robert Howard
Antipsychotic drugs, originally developed to treat schizophrenia, are used to treat psychosis, agitation and aggression in Alzheimer's disease. In the absence of dopamine D2/3 receptor occupancy data to inform antipsychotic prescribing for psychosis in Alzheimer's disease, the mechanisms underpinning antipsychotic efficacy and side effects are poorly understood. This study used a population approach to investigate the relationship between amisulpride blood concentration and central D2/3 occupancy in older people with Alzheimer's disease by combining: (i) pharmacokinetic data (280 venous samples) from a phase I single (50 mg) dose study in healthy older people (n = 20, 65-79 years); (ii) pharmacokinetic, 18F-fallypride D2/3 receptor imaging and clinical outcome data on patients with Alzheimer's disease who were prescribed amisulpride (25-75 mg daily) to treat psychosis as part of an open study (n = 28; 69-92 years; 41 blood samples, five pretreatment scans, 19 post-treatment scans); and (iii) 18F-fallypride imaging of an antipsychotic free Alzheimer's disease control group (n = 10, 78-92 years), to provide additional pretreatment data...
February 4, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334963/three-and-four-dimensional-mapping-of-speech-and-language-in-patients-with-epilepsy
#4
Yasuo Nakai, Jeong-Won Jeong, Erik C Brown, Robert Rothermel, Katsuaki Kojima, Toshimune Kambara, Aashit Shah, Sandeep Mittal, Sandeep Sood, Eishi Asano
We have provided 3-D and 4D mapping of speech and language function based upon the results of direct cortical stimulation and event-related modulation of electrocorticography signals. Patients estimated to have right-hemispheric language dominance were excluded. Thus, 100 patients who underwent two-stage epilepsy surgery with chronic electrocorticography recording were studied. An older group consisted of 84 patients at least 10 years of age (7367 artefact-free non-epileptic electrodes), whereas a younger group included 16 children younger than age 10 (1438 electrodes)...
March 16, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28333778/cochlear-implant-in-severe-impaired-psychiatric-patients-a-case-series
#5
Ioana T Herisanu, Mark Praetorius, Margarete Mattern
OBJECTIVE: Psychotic disorders and intelligence deficiencies are no longer contraindications for cochlear implantation regarding the revised German guidelines from May 2012. This article aims to evaluate the outcome of patients with severe psychiatric comorbidities. Therefore the database of the Cochlear Implant Center of the University Hospital of Heidelberg was investigated. STUDY DESIGN: Retrospective case review. METHODS: We present three patients who received a cochlear implant (CI) despite a serious psychiatric disorder...
March 22, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28332250/visual-hallucinations-in-patients-with-acute-stroke-a-prospective-exploratory-study
#6
E Morenas-Rodríguez, P Camps-Renom, A Pérez-Cordón, A Horta-Barba, M Simón-Talero, E Cortés-Vicente, D Guisado-Alonso, E Vilaplana, C García-Sánchez, A Gironell, C Roig, R Delgado-Mederos, J Martí-Fàbregas
BACKGROUND AND PURPOSE: The incidence, underlying physiopathology, features and association with lesion topography of visual hallucinations in acute stroke have scarcely been investigated. METHODS: Patients with a diagnosis of acute stroke (ischaemic or haemorrhagic) in any vascular territory, admitted within 24 h after the onset of symptoms, were consecutively included in the study. Patients with a previous history of psychosis or cognitive impairment were excluded...
March 22, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28331325/a-chinese-version-of-the-psychotic-symptom-rating-scales-psychometric-properties-in-recent-onset-and-chronic-psychosis
#7
Wai-Tong Chien, Isabella Yuet-Ming Lee, Li-Qun Wang
The purpose of this study was to test the reliability, validity, and factor structure of a Chinese version of the Psychotic Symptom Rating Scale (PSYRATS) in 198 and 202 adult patients with recent-onset and chronic psychosis, respectively. The PSYRATS has been translated into different language versions and has been validated for clinical and research use mainly in chronic psychotic patients but not in recent-onset psychosis patients or in Chinese populations. The psychometric analysis of the translated Chinese version included assessment of its content validity, semantic equivalence, interrater and test-retest reliability, reproducibility, sensitivity to changes in psychotic symptoms, internal consistency, concurrent validity (compared to a valid psychotic symptom scale), and factor structure...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28331324/update-on-the-treatment-of-parkinson-s-disease-psychosis-role-of-pimavanserin
#8
REVIEW
Brianna L Combs, Arthur G Cox
Parkinson's disease (PD) has a prevalence of nearly 1 million people in the USA, with increasing incidence in the elderly population. Generally, the age of presentation is between 55 and 65 years, with the likelihood of diagnosis increasing as patients reach the age of 80 years or above. Some of the common treatments for PD increase dopamine levels in the brain. Dopaminergic therapy helps to improve motor and non-motor symptoms, but it is not without risks. Dopaminergic therapy can cause confusion, delirium, and psychotic-like behavior...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28326948/rare-presentation-of-intrathecal-morphine-withdrawal-psychosis
#9
Rohit Aiyer, Vivek Jain, Anurag Bhatia, Boris Mekinulov, Semih Gungor
We report a case of a 57-year-old male patient with intrathecal morphine pump failure who presented with psychosis as part of a clinical presentation of opioid withdrawal. The patient was being treated for chronic back pain with an intrathecal morphine pump for several years. The patient spontaneously started to experience psychotic symptoms which included disorganized thinking, delusional thoughts, paranoia, auditory and visual hallucinations. Upon interrogation of intrathecal pump, it was found not to be functioning, thereby not delivering intrathecal morphine...
February 28, 2017: Pain Management
https://www.readbyqxmd.com/read/28325154/the-behavioral-profile-of-methylenedioxypyrovalerone-mdpv-and-%C3%AE-pyrrolidinopentiophenone-pvp-a-systematic-review
#10
Cornel N Stanciu, Thomas M Penders, Samantha A Gnanasegaram, Elvin Pirapakaran, Juvraj S Padda, Jeeven S Padda
BACKGROUND: New psychoactive substances are emerging at an alarming rate. With novel structures and properties they produce unique behavioral characteristics during intoxication. Synthetic cathinones are some of the most common. More and more are presenting to emergency departments due to consequences of use. Aside from isolated reports, little is known about these compounds. OBJECTIVE: Here we review literature pertaining to two common synthetic cathinones, MDPV and alphaPVP, and correlate clinically with guidance on management of intoxications...
March 21, 2017: Current Drug Abuse Reviews
https://www.readbyqxmd.com/read/28324770/a-non-fatal-intoxication-and-seven-deaths-involving-the-dissociative-drug-3-meo-pcp
#11
Anna Johansson, Daniel Lindstedt, Markus Roman, Gunilla Thelander, Elisabet I Nielsen, Ulrica Lennborn, Håkan Sandler, Sten Rubertsson, Johan Ahlner, Robert Kronstrand, Fredrik C Kugelberg
INTRODUCTION: 3-methoxyphencyclidine (3-MeO-PCP) appeared on the illicit drug market in 2011 and is an analogue of phencyclidine, which exhibits anesthetic, analgesic and hallucinogenic properties. In this paper, we report data from a non-fatal intoxication and seven deaths involving 3-MeO-PCP in Sweden during the period March 2014 until June 2016. CASE DESCRIPTIONS: The non-fatal intoxication case, a 19-year-old male with drug problems and a medical history of depression, was found awake but tachycardic, hypertensive, tachypnoeic and catatonic at home...
March 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28320195/combined-use-of-dopamine-transporter-imaging-dat-spect-and-123-i-metaiodobenzylguanidine-mibg-myocardial-scintigraphy-for-diagnosing-parkinson-s-disease
#12
Fumihito Yoshii, Masafuchi Ryo, Yasuhiko Baba, Takashi Koide, Jun Hashimoto
BACKGROUND: To examine whether combined use of (123)I-FP-CIT dopamine transporter single photon emission computed tomography (DAT-SPECT) and (123)I-MIBG myocardial scintigraphy (MIBG) is superior to either modality alone for diagnosing Parkinson's disease (PD). METHODS: Patients with probable PD (n=120) who underwent both DAT-SPECT and MIBG myocardial scintigraphy within short intervals were enrolled. Specific binding ratio (SBR) of DAT-SPECT images and heart-to-mediastinum (H/M) ratio of MIBG images were used as quantitative measures...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320026/-alcohol-withdrawal-and-its-major-complications
#13
Klaus Junghanns, Tilman Wetterling
Delirium tremens is one of the most common complications of alcohol withdrawal. It is potentially lethal and therefore should be detected as early as possible and be monitored and treated intensively. The assessment of risk factors with the Luebeck Alcohol-Withdrawal Risk Scale short form (LARS-11) can help to predict the risk of severe withdrawal adequately. As delirium cannot be differentiated from Wernicke-Encephalopathy with sufficient certainty high parenteral doses of Vitamin B1 and Magnesium orally should be given in case of any severe withdrawal symptoms...
March 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28318911/cannabis-use-polysubstance-use-and-psychosis-spectrum-symptoms-in-a-community-based-sample-of-u-s-youth
#14
Jason D Jones, Monica E Calkins, J Cobb Scott, Emily C Bach, Raquel E Gur
PURPOSE: To examine how cannabis use and polysubstance use among cannabis users relate to psychosis spectrum (PS) symptoms in a large community-based sample of U.S. youth. METHODS: Four thousand one hundred seventy-one youths (aged 14-21 years; mean = 16.90 years, SD = 1.85; 55% female) from the Philadelphia Neurodevelopmental Cohort completed assessments of substance use, PS symptoms, and confounding variables (e.g., demographics, comorbid psychopathology, and trauma exposure)...
March 16, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28315846/risk-factors-for-early-psychosis-in-pd-insights-from-the-parkinson-s-progression-markers-initiative
#15
Dominic H Ffytche, Joana B Pereira, Clive Ballard, K Ray Chaudhuri, Daniel Weintraub, Dag Aarsland
BACKGROUND: Parkinson's Disease (PD) psychosis refers to the spectrum of illusions, formed hallucinations and delusions that occur in PD. Visual hallucinations and illusions are thought to be caused by specific cognitive and higher visual function deficits and patients who develop such symptoms early in the disease course have greater rates of cognitive decline and progression to dementia. To date, no studies have investigated whether such deficits are found prior to the onset of PD psychosis...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28315614/repetitive-transcranial-magnetic-stimulation-for-treating-the-symptoms-of-schizophrenia-a-prisma-compliant-meta-analysis
#16
Hairong He, Jun Lu, Lihong Yang, Jie Zheng, Fan Gao, Yajing Zhai, Junqin Feng, Yajuan Fan, Xiancang Ma
OBJECTIVE: To explore the efficacies of 1-Hz (low frequency) and 10-Hz (high frequency) repetitive transcranial magnetic stimulation (rTMS) in treating auditory hallucinations and negative symptoms of schizophrenia, respectively. METHODS: Electronic databases were searched to identify relevant literature. Standard mean difference (SMD) and 95% confidence interval (CI) values were used to evaluate the effects of rTMS. The stability and sensitivity of the results, the source of heterogeneity, and the recommended grade of the evidence were also analyzed...
February 22, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28314070/long-lasting-effects-of-chronic-heavy-cannabis-abuse
#17
Joannis N Nestoros, Elena Vakonaki, Manolis N Tzatzarakis, Athanasios Alegakis, Markos D Skondras, Aristidis M Tsatsakis
BACKGROUND AND OBJECTIVES: The purpose of this study was to evaluate the extent of short-term memory impairment and schizophrenia-like symptoms in heavy and systematic cannabis users and the association between the severity of abuse and the longevity of its persistent symptoms after refraining from such use. METHODS: A complete psychiatric examination and a psychometric evaluation were performed in 48 solely cannabis users. Additionally, head hair samples were analyzed and the detected cannabinoids levels were correlated with the psychometric findings...
March 17, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28295599/gender-difference-in-the-association-and-presentation-of-visual-hallucinations-in-dementia-with-lewy-bodies-a-cross-sectional-study
#18
Pai-Yi Chiu, Po-Ren Teng, Cheng-Yu Wei, Chein-Wei Wang, Chun-Tang Tsai
OBJECTIVE: Visual hallucinations (VHs) are among the most striking features of dementia with Lewy bodies (DLB). We investigated gender differences in the association and presentation of VHs in DLB. METHODS: A cross-sectional analysis of baseline data from a prospective, longitudinal study on dementia was performed. Cumulative frequency, 1-month frequency, and phenomenology of VHs were summarized and compared between female and male patients with DLB. Gender differences in the factors associated with VHs were investigated in patients with and without hallucinations...
March 13, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28294710/behavioral-disconnection-syndrome-manifesting-as-combined-mania-and-visual-auditory-hallucinations-secondary-to-isolated-right-thalamic-hemorrhage
#19
Parunyou Julayanont, Doungporn Ruthirago, Khondoker Alam, Yazan J Alderazi
No abstract text is available yet for this article.
March 15, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28294380/oral-appliance-therapy-versus-nasal-continuous-positive-airway-pressure-in-obstructive-sleep-apnea-syndrome-a-randomized-placebo-controlled-trial-on-self-reported-symptoms-of-common-sleep-disorders-and-sleep-related-problems
#20
Maria Nikolopoulou, Anna Byraki, Jari Ahlberg, Martijn W Heymans, H L Hamburger, Jan De Lange, Frank Lobbezoo, Ghizlane Aarab
Obstructive sleep apnea syndrome (OSAS) is associated with several sleep disorders and sleep-related problems. Therefore, the aim of this study was to compare the effects of a mandibular advancement device (MAD) with those of nasal continuous positive airway pressure (nCPAP) on self-reported symptoms of common sleep disorders and sleep-related problems in mild and moderate OSAS patients. In this randomized placebo-controlled trial sixty-four OSAS patients (52.0± 9.6 years) were randomly assigned to an MAD, nCPAP or an intra-oral placebo appliance in a parallel design...
March 10, 2017: Journal of Oral Rehabilitation
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