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https://www.readbyqxmd.com/read/28817397/real-world-data-on-paliperidone-palmitate-for-the-treatment-of-schizophrenia-and-other-psychotic-disorders-a-systematic-review-of-randomized-and-nonrandomized-studies
#1
Robin Emsley, Eduard Parellada, Miquel Bioque, Berta Herrera, Teresa Hernando, Marta García-Dorado
The aim of this study was to perform a systematic review of the effects of 1-month paliperidone palmitate (PP1M) for the treatment of schizophrenia and related psychotic disorders in terms of outcomes reported in real-world evidence studies. A systematic review of real-world randomized and nonrandomized studies with PP1M was performed and is reported according to PRISMA guidelines. Comparative effectiveness data with oral antipsychotics indicate that PP1M has a lower likelihood of relapse-related events, including rehospitalization, and these differences are clinically relevant...
August 16, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28813959/-wink-to-grasp-comparing-eye-voice-emg-gesture-control-of-grasp-with-soft-robotic-gloves
#2
Bernardo Noronha, Sabine Dziemian, Giuseppe A Zito, Charalambos Konnaris, A Aldo Faisal
The ability of robotic rehabilitation devices to support paralysed end-users is ultimately limited by the degree to which human-machine-interaction is designed to be effective and efficient in translating user intention into robotic action. Specifically, we evaluate the novel possibility of binocular eye-tracking technology to detect voluntary winks from involuntary blink commands, to establish winks as a novel low-latency control signal to trigger robotic action. By wearing binocular eye-tracking glasses we enable users to directly observe their environment or the actuator and trigger movement actions, without having to interact with a visual display unit or user interface...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812541/systematic-review-of-interventions-for-treating-or-preventing-antipsychotic-induced-tardive-dyskinesia
#3
Hanna Bergman, Dawn-Marie Walker, Adriani Nikolakopoulou, Karla Soares-Weiser, Clive E Adams
BACKGROUND: Antipsychotic medication can cause tardive dyskinesia (TD) - late-onset, involuntary, repetitive movements, often involving the face and tongue. TD occurs in > 20% of adults taking antipsychotic medication (first-generation antipsychotics for > 3 months), with this proportion increasing by 5% per year among those who continue to use these drugs. The incidence of TD among those taking newer antipsychotics is not different from the rate in people who have used older-generation drugs in moderate doses...
August 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28805273/neurotoxicosis-in-horses-associated-with-consumption-of-trema-micrantha
#4
M P Lorenzett, P R Pereira, D M Bassuino, G Konradt, W Panziera, M V Bianchi, F F Argenta, M E Hammerschmitt, R A Caprioli, C S L de Barros, S P Pavarini, D Driemeier
BACKGROUND: Trema micrantha is a tree widely distributed throughout the Americas. The tree produces highly palatable leaves that have been associated with natural poisoning in goats, sheep and horses, in which hepatic necrosis and hepatic encephalopathy have been observed. OBJECTIVES: This study describes malacia and haemorrhage in the central nervous system due to T. micrantha consumption, with minimal to absent hepatic lesions. STUDY DESIGN: Retrospective case series...
August 14, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28803760/mechanism-of-action-of-botulinum-neurotoxin-unexpected-consequences
#5
REVIEW
Mark Hallett
Botulinum neurotoxin (BoNT) is a widely used therapeutic in part because its mechanism of action is much wider than initially expected. Since BoNT is taken up more avidly in active presynaptic terminals, there is some selectivity for weakening muscles involved in frequent involuntary movements. BoNT blocks gamma motoneurons as well as alpha motoneurons, hence reducing afferent spindle activity which appears to have a favorable effect. Some BoNT is retrogradely transported in the motor axons, leading at least to reduction in recurrent inhibition mediated by the Renshaw cell...
August 10, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28794905/further-clinical-delineation-of-the-mef2c-haploinsufficiency-syndrome-report-on-new-cases-and-literature-review-of-severe-neurodevelopmental-disorders-presenting-with-seizures-absent-speech-and-involuntary-movements
#6
REVIEW
Irena Vrečar, Josie Innes, Elizabeth A Jones, Helen Kingston, William Reardon, Bronwyn Kerr, Jill Clayton-Smith, Sofia Douzgou
Mutations in the MEF2C ( myocyte enhancer factor 2 ) gene have been established as a cause for an intellectual disability syndrome presenting with seizures, absence of speech, stereotypic movements, hypotonia, and limited ambulation. Phenotypic overlap with Rett's and Angelman's syndromes has been noted. Following the first reports of 5q14.3q15 microdeletions encompassing the MEF2C gene, further cases with point mutations and partial gene deletions of the MEF2C gene have been described. We present the clinical phenotype of our cohort of six patients with MEF2C mutations and compare our findings with previously reported patients as well as with a growing number of genetic conditions presenting with a severe neurodevelopmental, Rett-like, phenotype...
September 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28790376/global-and-local-excitation-and-inhibition-shape-the-dynamics-of-the-cortico-striatal-thalamo-cortical-pathway
#7
Anca Rădulescu, Joanna Herron, Caitlin Kennedy, Annalisa Scimemi
The cortico-striatal-thalamo-cortical (CSTC) pathway is a brain circuit that controls movement execution, habit formation and reward. Hyperactivity in the CSTC pathway is involved in obsessive compulsive disorder (OCD), a neuropsychiatric disorder characterized by the execution of repetitive involuntary movements. The striatum shapes the activity of the CSTC pathway through the coordinated activation of two classes of medium spiny neurons (MSNs) expressing D1 or D2 dopamine receptors. The exact mechanisms by which balanced excitation/inhibition (E/I) of these cells controls the network dynamics of the CSTC pathway remain unclear...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28790021/deficient-striatal-adaptation-in-aminergic-and-glutamatergic-neurotransmission-is-associated-with-tardive-dyskinesia-in-non-human-primates-exposed-to-antipsychotic-drugs
#8
Catherine Lévesque, Giovanni Hernandez, Souha Mahmoudi, Frédéric Calon, Fabrizio Gasparini, Baltazar Gomez-Mancilla, Pierre J Blanchet, Daniel Lévesque
Tardive dyskinesia (TD) is a potentially disabling condition encompassing all delayed, persistent, and often irreversible abnormal involuntary movements arising in a fraction of subjects during long-term exposure to centrally acting dopamine receptor-blocking agents such as antipsychotic drugs and metoclopramide. However, the pathogenesis of TD has proved complex and remains elusive. To investigate the mechanism underlying the development of TD, we have chronically exposed 17 Cebus apella monkeys to typical (11) or atypical (6) antipsychotic drugs...
August 5, 2017: Neuroscience
https://www.readbyqxmd.com/read/28783940/aripiprazole-induced-tardive-dyskinesia-in-13-years-old-girl-successfully-treated-with-biperiden-a-case-report
#9
Marco Lamberti, Gabriella Di Rosa, Francesca Cucinotta, Erica Pironti, Cecilia Galati, Antonella Gagliano
In the last years second-generation antipsychotics are increasingly prescribed in the pediatric population for the treatment of several psychiatric disorders. Among the long term adverse effects, extrapyramidal symptoms (EPS) are less reported compared to first-generation antipsychotics. Tardive dyskinesia (TD) is a iatrogenic rare syndrome characterized by persistent slow writhing and sudden involuntary movements mainly involving the oral-buccal-lingual area with masticatory movements. We report a young girl with mood disorders accompanied by mild intellectual disability and behavioral problems who had TD after treatment with Aripiprazole, which responded to Biperiden therapy...
August 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28782903/non-invasive-brain-stimulation-for-dystonia-therapeutic-implications
#10
REVIEW
R Erro, M Tinazzi, F Morgante, K P Bhatia
Dystonia is characterized by excessive muscle contractions giving rise to abnormal posture and involuntary twisting movements. Although dystonia syndromes are a heterogeneous group of disorders, certain pathophysiological mechanisms have been consistently identified across different forms. These pathophysiological mechanisms have subsequently been exploited for the development of non-invasive brain stimulation (NIBS) techniques able to modulate neural activity in one or more nodes of the putative network that is altered in dystonia, and the therapeutic role of NIBS has hence been suggested...
August 7, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28777228/the-disputed-discovery-of-facial-and-trigeminal-nerve-function-revisiting-the-contributions-of-herbert-mayo-and-charles-bell
#11
Matthew L Carlson, James Bradley, Jamie J Van Gompel, R Shane Tubbs
BACKGROUND: The first description of the voluntary motor function of the facial nerve and separate sensory-motor contributions of the trigeminal nerve is most commonly attributed to Charles Bell. However, a review of the original scientific accounts and subsequent historical publications question the validity of this credit. The objective of the present historical analysis is to clarify the contributions of Herbert Mayo toward discovering the functions of the fifth and seventh cranial nerves and to raise awareness of this historical controversy within the medical literature...
August 2, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28750582/efficacy-and-safety-of-min-101-a-12-week-randomized-double-blind-placebo-controlled-trial-of-a-new-drug-in-development-for-the-treatment-of-negative-symptoms-in-schizophrenia
#12
Michael Davidson, Jay Saoud, Corinne Staner, Nadine Noel, Elisabeth Luthringer, Sandra Werner, Joseph Reilly, Jean-Yves Schaffhauser, Jonathan Rabinowitz, Mark Weiser, Remy Luthringer
OBJECTIVE: The authors assessed the efficacy, safety, and tolerability of MIN-101, a compound with affinities for sigma-2 and 5-HT2A receptors and no direct dopamine affinities, in comparison with placebo in treating negative symptoms in stabilized patients with schizophrenia. METHOD: The trial enrolled 244 patients who had been symptomatically stable for at least 3 months and had scores of at least 20 on the negative subscale of the Positive and Negative Syndrome Scale (PANSS)...
July 28, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28717382/neurological-soft-signs-in-tunisian-patients-with-first-episode-psychosis-and-relation-with-cannabis-use
#13
Ahmed Mhalla, Bochra Ben Mohamed, Christoph U Correll, Badii Amamou, Anouar Mechri, Lotfi Gaha
BACKGROUND: Neurological soft signs (NSS) are minor non-localizing neurological abnormalities that are conceptualized as neurodevelopmental markers that mediate the biological risk for psychosis. We aimed to explore the relationship between NSS and cannabis use, an environmental risk factor of psychosis. METHODS: This was a cross-sectional study in consecutively admitted patients hospitalized for first-episode psychosis. NSS were assessed by the NSS scale (23 items exploring motor coordination, motor integrative function, sensory integration, involuntary movements or posture, quality of lateralization)...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/28708753/effectiveness-of-preoperative-intranasal-dexmedetomidine-compared-with-oral-midazolam-for-the-prevention-of-emergence-delirium-in-the-pediatric-patient-undergoing-general-anesthesia-a-systematic-review
#14
James FitzSimons, Laura S Bonanno, Stephanie Pierce, Jennifer Badeaux
BACKGROUND: Emergence delirium is defined as a cognitive disturbance during emergence from general anesthesia resulting in hallucinations, delusions and confusion manifested by agitation, restlessness, involuntary physical movement and extreme flailing in bed. Postoperative emergence delirium develops in 12% to 18% of all children undergoing general anesthesia for surgery. This post-anesthetic phenomenon changes cognitive and psychomotor behavior, and puts pediatric patients and health care personnel at risk of injury...
July 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28706744/management-of-oromandibular-dystonia-a-case-report-and-literature-update
#15
Suma Gn, Adrita Nag
Oromandibular dystonia (OMD) is a movement disorder characterized by involuntary, paroxysmal, and patterned muscle contractions of varying severity resulting in sustained spasms of masticatory muscles, affecting the jaws, tongue, face, and pharynx. It is most commonly idiopathic or medication-induced, but peripheral trauma sometimes precedes the condition. We present a case report of a 26-year-old female patient who suffered repetitive bouts of hemifacial muscle contractions for 2 years on closing the mouth which interfered in patient's well-being and quality of life by hampering her ability to eat and talk and to the extent of inability to breath due to contractions of her neck muscles...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28703446/paroxysmal-dyskinesia-in-border-terriers-clinical-epidemiological-and-genetic-investigations
#16
Q E M Stassen, L L E Koskinen, F G van Steenbeek, E H Seppälä, T S Jokinen, P G M Prins, H G J Bok, M M J M Zandvliet, M Vos-Loohuis, P A J Leegwater, H Lohi
BACKGROUND: In the last decade, a disorder characterized by episodes of involuntary movements and dystonia has been recognized in Border Terriers. OBJECTIVES: To define clinical features of paroxysmal dyskinesia (PD) in a large number of Border Terriers and to study the genetics of the disease. ANIMALS: 110 affected and 128 unaffected client-owned Border Terriers. METHODS: A questionnaire regarding clinical characteristics of PD was designed at Utrecht University and the University of Helsinki...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28701080/neurocognitive-outcomes-in-children-with-unilateral-basal-ganglia-arterial-ischemic-stroke-and-secondary-hemidystonia
#17
Robyn Westmacott, Kyla P McDonald, Gabrielle deVeber, Daune MacGregor, Mahendranath Moharir, Nomazulu Dlamini, Rand Askalan, Tricia S Williams
Dystonia is a movement disorder that involves excessive, involuntary muscle contractions resulting in repetitive movements and/or abnormal posturing. One common cause of unilateral dystonia in childhood is ischemic stroke involving the basal ganglia and/or thalamus. Virtually nothing is known about neuropsychological outcomes in children who have dystonia following basal ganglia stroke. The present study explored whether or not children with secondary dystonia experience additional cognitive challenges when compared to children with similar patterns of brain injury, but no dystonia...
July 12, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28699794/valbenazine-for-the-treatment-of-tardive-dyskinesia
#18
Lauren C Seeberger, Robert A Hauser
Tardive dyskinesia (TD) is a hyperkinetic movement disorder that may result from treatment with antipsychotics or other dopamine receptor blocking agents. Underlying pathophysiology is incompletely understood but since the 1970s dopamine depleting agents have been used to reduce involuntary movements. The search for safe, effective treatments for TD is ongoing. Valbenazine, a novel VMAT2 inhibitor, has recently been FDA approved for treatment of TD. Areas covered: An overview of TD, unmet medical needs and current treatment guidelines are presented...
August 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28692958/grift-a-device-for-quantifying-physiological-and-pathological-mirror-movements-in-children
#19
E Jaspers, K Klingels, C Simon-Martinez, H Feys, D G Woolley, N Wenderoth
Mirror movements (MM) typically occur during unilateral actions and manifest as involuntary muscle activity of the passive limb, which "mirror" voluntary actions executed by the contralateral homologous body part. They are a normal motor feature in young children and gradually disappear during the first decade of life. In children suffering from neurological disorders, e.g. due to an early brain lesion as in unilateral cerebral palsy, the amplitude and occurrence of MM has been proposed to yield relevant information for diagnosis and therapy...
July 5, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28691197/loss-of-dcc-in-the-spinal-cord-is-sufficient-to-cause-a-deficit-in-lateralized-motor-control-and-the-switch-to-a-hopping-gait
#20
Jimmy Peng, Julien Ferent, Qingyu Li, Mingwei Liu, Ronan Vinicius da Silva, Hanns Ulrich Zeilhofer, Artur Kania, Ying Zhang, Frédéric Charron
BACKGROUND: Humans with heterozygous mutations in the axon guidance receptor DCC display congenital mirror movements (MMs), which are involuntary movements of body parts, such as fingers, on one side of the body that mirror voluntary movement of the opposite side. In mice, the homozygous Dcc(kanga) mutant allele causes synchronous MM-like hindlimb movements during locomotion, resulting in hopping. In both human and mice, the neuroanatomical defect responsible for the deficit in lateralized motor control remains to be elucidated...
July 10, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
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