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https://www.readbyqxmd.com/read/29449008/tardive-dyskinesia-out-of-the-shadows
#1
REVIEW
Robert A Hauser, Daniel Truong
The approvals of the first two medications, valbenazine and deutetrabenazine, to treat tardive dyskinesia have ushered in a new era in neuropsychiatric care. Tardive syndromes are defined as delayed onset, persistent movement disorders or sensory phenomena that occur in association with exposure to dopamine receptor blocking agents (DRBAs). Their underlying pathophysiology remains to be fully elucidated, but clinicians can conceptualize tardive syndromes as persistent dopamine supersensitivity states. Tardive syndromes can potentially cause distress, disfigurement, embarrassment, and dysfunction, and are often permanent...
February 5, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29433807/deep-brain-stimulation-for-tardive-syndromes-systematic-review-and-meta-analysis
#2
REVIEW
Antonella Macerollo, Günther Deuschl
Among the broad entity of tardive syndromes, tardive dystonia and classical tardive dyskinesia sometimes require advanced treatments like deep brain stimulation of the globus pallidus internum (Gpi-DBS) or the subthalamic nucleus (STN-DBS). This systematic review has analyzed the currently available literature reporting cases with either tardive dystonia or dyskinesia treated with DBS. The key words for the literature search included all tardive syndromes and "deep brain stimulation." Thirty-four level VI studies and one level II study with 117 patients were included...
February 5, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29432355/a-window-toward-the-world-older-adults-experiences-of-becoming-in-health-and-developing-as-human-beings-through-interacting-with-others-using-real-video-communication
#3
Jessica Hemberg, Regina Santamäki Fischer
The population in the Nordic countries, as well as globally, is increasingly becoming older. Concurrently, with an increased aging population, there is an increase in poor health and loneliness among older adults. The aim of this study was to uncover, from a caring science perspective, community-living older adults' experiences of interacting with others via real video communication. The study uses a hermeneutical approach. The material consists of interviews with older adults regarding their experiences of using real video communication...
March 2018: Holistic Nursing Practice
https://www.readbyqxmd.com/read/29431985/tremor-sorting-through-the-differential-diagnosis
#4
Paul Crawford, Ethan E Zimmerman
Tremor is an involuntary, rhythmic, oscillatory movement of a body part. It is the most common movement disorder encountered in primary care. The diagnosis of tremor is based on clinical information obtained from the history and physical examination. The most common tremors in patients presenting to primary care physicians are enhanced physiologic tremor, essential tremor, and parkinsonian tremor. All persons have low-amplitude, high-frequency physiologic tremors at rest and during action that are not reported as symptomatic, but can be enhanced by anxiety, medication use, caffeine intake, or fatigue...
February 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29429838/multidisciplinary-management-of-a-partially-edentulous-patient-with-oromandibular-dystonia-a-clinical-report
#5
Olcay Sakar, Zeliha Matur, Zeynep Mumcu, Pinar Sesen, Emre Oge
Oromandibular dystonia (OMD) is defined as a subset of movement disorders characterized by involuntary muscle contraction in different parts of the oromandibular region. This clinical report presents a multidisciplinary approach to the management of a patient with OMD. The involuntary movement of her mandible and tongue was improved with a mandibular custom occlusal splint and maxillary modified removable complete denture together with botulinum toxin A injections.
February 8, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29423615/defining-spasticity-a-new-approach-considering-current-movement-disorders-terminology-and-botulinum-toxin-therapy
#6
Dirk Dressler, Roongroj Bhidayasiri, Saeed Bohlega, Pedro Chana, Hsin Fen Chien, Tae Mo Chung, Carlo Colosimo, Markus Ebke, Klemens Fedoroff, Bernd Frank, Ryuji Kaji, Petr Kanovsky, Serdar Koçer, Federico Micheli, Olga Orlova, Sebastian Paus, Zvezdan Pirtosek, Maja Relja, Raymond L Rosales, José Alberto Sagástegui-Rodríguez, Paul W Schoenle, Gholam Ali Shahidi, Sofia Timerbaeva, Uwe Walter, Fereshte Adib Saberi
Spasticity is a symptom occurring in many neurological conditions including stroke, multiple sclerosis, hypoxic brain damage, traumatic brain injury, tumours and heredodegenerative diseases. It affects large numbers of patients and may cause major disability. So far, spasticity has merely been described as part of the upper motor neurone syndrome or defined in a narrowed neurophysiological sense. This consensus organised by IAB-Interdisciplinary Working Group Movement Disorders wants to provide a brief and practical new definition of spasticity-for the first time-based on its various forms of muscle hyperactivity as described in the current movement disorders terminology...
February 8, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29419420/diaphragmatic-flutter
#7
Dean Walton, Michael Bonello, Malcolm Steiger
A 78-year-old woman presented with involuntary movements of her abdomen, which started after a right hemispheric stroke. She had irregular, variable, hyperkinetic predominantly right-sided abdominal wall movements. MR scan of brain confirmed a recent infarct in the right occipitotemporal lobe and the right cerebellum. Diaphragmatic fluoroscopy confirmed high-frequency flutter as the cause of her abdominal movements and confirmed the diagnosis of van Leeuwenhoek's disease. Anthonie van Leeuwenhoek first described this condition in 1723 and had the condition himself...
February 1, 2018: Practical Neurology
https://www.readbyqxmd.com/read/29409162/antipsychotic-reduction-and-or-cessation-and-antipsychotics-as-specific-treatments-for-tardive-dyskinesia
#8
REVIEW
Hanna Bergman, John Rathbone, Vivek Agarwal, Karla Soares-Weiser
BACKGROUND: Since the 1950s antipsychotic medication has been extensively used to treat people with chronic mental illnesses such as schizophrenia. These drugs, however, have also been associated with a wide range of adverse effects, including movement disorders such as tardive dyskinesia (TD) - a problem often seen as repetitive involuntary movements around the mouth and face. Various strategies have been examined to reduce a person's cumulative exposure to antipsychotics. These strategies include dose reduction, intermittent dosing strategies such as drug holidays, and antipsychotic cessation...
February 6, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29403138/amisulpride-reexposure-and-tardive-dyskinesia
#9
Ajeet Sidana
To highlight the association between amisulpride and onset of tardive dyskinesia (TD) in patient suffering with psychosis not otherwise specified (NOS), who has already been treated with amisulpride for many years. A 40-year-old female suffering with psychosis NOS since 19 years presented with recurrence of positive symptoms in the form of delusion of persecution, ideas of grandiosity since last 3 months. She was treated with amisulpride up to 400 mg/day and developed involuntary oro-buccal-lingual movement within 2 months of amisulpride therapy...
January 2018: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/29403087/cerebellar-ataxia-dominant-phenotype-in-patients-with-ercc4-mutations
#10
Hiroshi Doi, Shigeru Koyano, Satoko Miyatake, Shinji Nakajima, Yuka Nakazawa, Misako Kunii, Atsuko Tomita-Katsumoto, Kayoko Oda, Yukie Yamaguchi, Ryoko Fukai, Shingo Ikeda, Rumiko Kato, Katsuhisa Ogata, Shun Kubota, Noriko Hayashi, Keita Takahashi, Mikiko Tada, Kenichi Tanaka, Mitsuko Nakashima, Yoshinori Tsurusaki, Noriko Miyake, Hirotomo Saitsu, Tomoo Ogi, Michiko Aihara, Hideyuki Takeuchi, Naomichi Matsumoto, Fumiaki Tanaka
Autosomal recessive cerebellar ataxias (ARCAs) are clinically and genetically heterogeneous neurological disorders. Through whole-exome sequencing of Japanese ARCA patients, we identified three index patients from unrelated families who had biallelic mutations in ERCC4. ERCC4 mutations have been known to cause xeroderma pigmentosum complementation group F (XP-F), Cockayne syndrome, and Fanconi anemia phenotypes. All of the patients described here showed very slowly progressive cerebellar ataxia and cognitive decline with choreiform involuntary movement, with young adolescent or midlife onset...
February 5, 2018: Journal of Human Genetics
https://www.readbyqxmd.com/read/29398356/a-subpopulation-of-striatal-neurons-mediates-levodopa-induced-dyskinesia
#11
Allison E Girasole, Matthew Y Lum, Diane Nathaniel, Chloe J Bair-Marshall, Casey J Guenthner, Liqun Luo, Anatol C Kreitzer, Alexandra B Nelson
Parkinson's disease is characterized by the progressive loss of midbrain dopamine neurons. Dopamine replacement therapy with levodopa alleviates parkinsonian motor symptoms but is complicated by the development of involuntary movements, termed levodopa-induced dyskinesia (LID). Aberrant activity in the striatum has been hypothesized to cause LID. Here, to establish a direct link between striatal activity and dyskinesia, we combine optogenetics and a method to manipulate dyskinesia-associated neurons, targeted recombination in active populations (TRAP)...
January 26, 2018: Neuron
https://www.readbyqxmd.com/read/29396175/basal-ganglia-mechanisms-in-action-selection-plasticity-and-dystonia
#12
REVIEW
Jonathan W Mink
Basal ganglia circuits are organized to selected desired actions and to inhibit potentially competing unwanted actions. This is accomplished through a complex circuitry that is modified through development and learning. Mechanisms of neural plasticity underlying these modifications are increasingly understood, but new mechanisms continue to be discovered. Dystonia, a movement disorder characterized by involuntary muscle contractions that cause abnormal postures and movements. Emerging evidence points to important links between mechanisms of plasticity and the manifestations of dystonia...
January 17, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29395664/rett-like-features-and-cortical-visual-impairment-in-a-japanese-patient-with-hecw2-mutation
#13
Haruhiko Nakamura, Mitsugu Uematsu, Yurika Numata-Uematsu, Yu Abe, Wakaba Endo, Atsuo Kikuchi, Yusuke Takezawa, Ryo Funayama, Matsuyuki Shirota, Keiko Nakayama, Tetsuya Niihori, Yoko Aoki, Kazuhiro Haginoya, Shigeo Kure
Numerous genetic syndromes that include intellectual disability (ID) have been reported. Recently, HECW2 mutations were detected in patients with ID and growth development disorders. Four de novo missense mutations have been reported. Here, we report a Japanese girl with Rett-like symptoms of severe ID, hypotonia, refractory epilepsy, and stereotypical hand movement (hand tapping, flapping, and wringing) after the age of 1 year. Characteristically, she had cortical visual impairment. She had difficulty swallowing since the age of 4 years, and diminished activity was noticeable since the age of 12 years, suggesting neurodevelopmental regression...
January 26, 2018: Brain & Development
https://www.readbyqxmd.com/read/29386136/glutamatergic-tuning-of-hyperactive-striatal-projection-neurons-controls-the-motor-response-to-dopamine-replacement-in-parkinsonian-primates
#14
Arun Singh, Meagan A Jenkins, Kenneth J Burke, Goichi Beck, Andrew Jenkins, Annalisa Scimemi, Stephen F Traynelis, Stella M Papa
Dopamine (DA) loss in Parkinson's disease (PD) alters the function of striatal projection neurons (SPNs) and causes motor deficits, but DA replacement can induce further abnormalities. A key pathological change in animal models and patients is SPN hyperactivity; however, the role of glutamate in altered DA responses remains elusive. We tested the effect of locally applied AMPAR or NMDAR antagonists on glutamatergic signaling in SPNs of parkinsonian primates. Following a reduction in basal hyperactivity by antagonists at either receptor, DA inputs induced SPN firing changes that were stable during the entire motor response, in clear contrast with the typically unstable effects...
January 23, 2018: Cell Reports
https://www.readbyqxmd.com/read/29381960/disabling-tremor-induced-by-long-term-use-of-sodium-valproate-and-lamotrigine-case-report
#15
Zhong-Fang He, Jun Chen, Chao-Ning Zhou, Zhi Rao, Xiao-Hua Wang
RATIONALE: Sodium valproate (VPA) and lamotrigine (LTG) are widely used antiepileptic drugs, disabling postural, and action tremors after using LTG with VPA were reported in 1993. However, in this study, we describe a patient in whom disabling resting-type tremor induced by 2-year use of VPA and LTG. PATIENT CONCERNS: A 50-year old man was referred to department of neurology because of involuntary upper limbs resting-type tremor with high amplitude that had begun 6 months previously and progressively worsened, and he could not work on the day of visit...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29374957/protective-effect-of-l-theanine-on-haloperidol-induced-orofacial
#16
Cheng-Neng Chen, Kuo-Chi Chang, Mao-Hsien Wang, Hsiang-Chien Tseng, Hung-Sheng Soung
Tardive dyskinesia (TD) is a severe side effect of chronic neuroleptic treatment consisting of abnormal involuntary movements, characterized by orofacial dyskinesia (OD). Haloperidol (HAL)- induced OD has been widely used as an animal model to study the neuropathophysiology of human tardive dyskinesia (TD) with its pathophysiology strongly associated with striatal oxidative stress. L-Theanine (LT), one of the major amino acid components in green tea, has potent antioxidative effects and is able to protect against various oxidative injuries...
January 29, 2018: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/29372265/percutaneous-cholecystostomy-for-severe-tokyo-2013-stage-iii-acute-cholecystitis
#17
F Polistina, C Mazzucco, D Coco, M Frego
PURPOSES: To evaluate the impact of percutaneous cholecystostomy (PC) on severe acute cholecystitis (AC). METHODS: According to the ICD-9 classification, we retrospectively retrieved medical records of patients discharged with a diagnosis of AC from January 2007 to December 2016 at our hospital. Patients were then stratified according to the Tokyo 2013 (TG 13) AC severity criteria. Grade III AC was diagnosed according to the TG 13 criteria. Indications for PC were failure of optimal medical treatment within 48 h, worsening of clinical condition within early medical treatment, patients unfit for upfront surgery and patient's preference...
January 25, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29371053/striatal-norepinephrine-efflux-in-l-dopa-induced-dyskinesia
#18
Corinne Y Ostock, Nirmal Bhide, Adam A Goldenberg, Jessica A George, Christopher Bishop
l-DOPA remains the primary treatment for Parkinson's disease (PD). Unfortunately, its therapeutic benefits are compromised by the development of abnormal involuntary movements (AIMs) known as l-DOPA-induced dyskinesia (LID). The norepinephrine (NE) system originating in the locus coeruleus is profoundly affected in PD and known to influence dopamine (DA) signaling. However, the effect of noradrenergic loss on l-DOPA-induced striatal monoamine efflux and Parkinsonian motor behavior remains controversial and is frequently overlooked in traditional animal models of LID...
January 22, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29366874/novel-dcc-variants-in-congenital-mirror-movements-and-evaluation-of-disease-associated-missense-variants
#19
Tatjana Bierhals, Georg Christoph Korenke, Martina Baethmann, Laura López Marín, Martin Staudt, Kerstin Kutsche
Congenital mirror movements (CMM) are involuntary movements of one side of the body that mirror intentional movements of the other side. Heterozygous missense, frameshift and nonsense variants and small intragenic deletions in DCC cause CMM, isolated agenesis of the corpus callosum (ACC) or both. We report here the clinical phenotype and natural history of ten individuals with CMM carrying five different monoallelic DCC variants, including the missense variant p.(Trp273Arg), two duplications, one deletion and one deletion-insertion; all are novel and absent from databases...
January 20, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29356214/subthreshold-transcranial-magnetic-stimulation-applied-after-the-go-signal-facilitates-reaction-time-under-control-but-not-startle-conditions
#20
Victoria Smith, Anthony N Carlsen
The presentation of a startling acoustic stimulus (SAS) in a simple reaction time (RT) task significantly reduces RT due to the involuntary early initiation of a prepared movement; however, the underlying neural mechanism remains unclear. It has been proposed that a SAS triggers a cortically stored motor program by involuntarily increasing initiation-related activation. Sub-threshold transcranial magnetic stimulation (TMS) can be used to investigate cortical processes, as it increases cortical excitability for 6-30ms and significantly reduces RT...
January 22, 2018: European Journal of Neuroscience
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