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Tremor and Other Hyperkinetic Movements

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https://www.readbyqxmd.com/read/28503363/focused-ultrasound-for-essential-tremor-review-of-the-evidence-and-discussion-of-current-hurdles
#1
REVIEW
Mohammad Rohani, Alfonso Fasano
BACKGROUND: While there is no breakthrough progress in the medical treatment of essential tremor (ET), in the past decades several remarkable achievements happened in the surgical field, such as radiofrequency thalamotomy, thalamic deep brain stimulation, and gamma knife thalamotomy. The most recent advance in this area is magnetic resonance-guided focused ultrasound (MRgFUS). METHODS: The purpose of this review is to discuss the new developments and trials of MRgFUS in the treatment of ET and other tremor disorders...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28503362/a-case-of-myoclonus-dystonia-responding-to-low-frequency-pallidal-stimulation
#2
Harini Sarva, Joan Miravite, Matthew C Swan, Andres Deik, Deborah Raymond, William Lawrence Severt, Brian H Kopell
BACKGROUND: High-frequency pallidal stimulation has been shown to improve various types of dystonia, including myoclonus-dystonia. CASE REPORT: We report a case of epsilon sarcoglycan mutation-negative myoclonus-dystonia with response to low-frequency bilateral pallidal stimulation. DISCUSSION: Low-frequency pallidal stimulation provides an effective means of treating various dystonias, regardless of genetic status, as in our case, as it provides increased programming options with fewer adverse effects...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28469972/a-wolf-in-sheep-s-clothing-an-alien-leg-in-corticobasal-syndrome
#3
Diana Angelika Olszewska, Allan McCarthy, Brian Murray, Brian Magennis, Sean Connolly, Tim Lynch
BACKGROUND: Alien limb phenomenon occurs in 50-60% of patients with corticobasal syndrome (CBS) and usually presents with an "alien hand" phenomenon. The "alien foot" presentation is rarer and may be misdiagnosed, as foot involvement can lead to erroneous localization of the clinical problem to the knee, hip, or back. Subsequently misdiagnoses such as myelopathy, radiculopathy, functional disorder, stiff leg syndrome, neuromyotonia, and painful leg moving toes syndrome may occur. CASE REPORT: We describe two patients with alien foot symptoms that resulted in multiple opinions from different specialists, multiple diagnostic and therapeutic procedures, and delayed diagnosis...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28428907/palliative-care-in-huntington-disease-personal-reflections-and-a-review-of-the-literature
#4
REVIEW
Christopher G Tarolli, Amy M Chesire, Kevin M Biglan
BACKGROUND: Huntington disease is a fatal, autosomal dominant, neurodegenerative disorder manifest by the triad of a movement disorder, behavioral disturbances, and dementia. At present, no curative or disease modifying therapies exist for the condition and current treatments are symptomatic. Palliative care is an approach to care that focuses on symptom relief, patient and caregiver support, and end of life care. There is increasing evidence of the benefit of palliative care throughout the course of neurodegenerative conditions including Parkinson disease and amyotrophic lateral sclerosis...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28428906/tbc1d24-mutations-in-a-sibship-with-multifocal-polymyoclonus
#5
Adeline Ngoh, Jose Bras, Rita Guerreiro, Amy McTague, Joanne Ng, Esther Meyer, W Kling Chong, Stewart Boyd, Linda MacLellan, Martin Kirkpatrick, Manju A Kurian
BACKGROUND: Advances in molecular genetic technologies have improved our understanding of genetic causes of rare neurological disorders with features of myoclonus. CASE REPORT: A family with two affected siblings, presenting with multifocal polymyoclonus and neurodevelopmental delay, was recruited for whole-exome sequencing following unyielding diagnostic neurometabolic investigations. Compound heterozygous mutations in TBC1D24, a gene previously associated with various epilepsy phenotypes and hearing loss, were identified in both siblings...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28428905/deep-brain-stimulation-target-selection-in-an-advanced-parkinson-s-disease-patient-with-significant-tremor-and-comorbid-depression
#6
Amar S Patel
CLINICAL VIGNETTE: A 67-year-old female with advanced Parkinson's disease (PD), medically refractory tremor, and a history of significant depression presented for evaluation of deep brain stimulation (DBS) candidacy. CLINICAL DILEMMA: Traditionally, the subthalamic nucleus (STN) has been preferred over the globus pallidus interna (GPi) as a DBS target for PD patients with levodopa-responsive fluctuations in rigidity and akinesia, for whom tremor is also a significant source of impairment...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28373927/non-invasive-brain-stimulation-for-essential-tremor
#7
REVIEW
Ludy C Shih, Alvaro Pascual-Leone
BACKGROUND: There is increasing interest in the use of non-invasive brain stimulation to characterize and potentially treat essential tremor (ET). Studies have used a variety of stimulation coils, paradigms, and target locations to make these observations. We reviewed the literature to compare prior studies and to evaluate the rationale and the methods used in these studies. METHODS: We performed a systematic literature search of the PubMed database using the terms "transcranial," "noninvasive," "brain stimulation," "transcranial magnetic stimulation (TMS)," "transcranial direct current stimulation (tDCS)," "transcranial alternating current stimulation (tACS)," and "essential tremor...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28373926/early-head-tremor-in-essential-tremor-a-case-series-and-commentary
#8
Elan D Louis, Funmi M Badejo, Ashley D Cristal, James Meyers, Nora Hernandez, Karen P Chen, Kelly V Naranjo, Jemin Park, Lorraine N Clark
BACKGROUND: Classically, the onset of head tremor in essential tremor (ET) patients follows that of hand tremor, such that there is a somatotopic spread of involved areas. Here we present a series of seven self-reportedly "unaffected" relatives of ET cases. These seven were clinically asymptomatic and had normal levels of arm tremor on examination, yet each evidenced a transient head wobble on examination. We estimate the prevalence of this phenotype within the two studies from which cases were ascertained...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28373925/high-voltage-vim-region-deep-brain-stimulation-mimicking-progressive-supranuclear-palsy
#9
Addie Patterson, Michael S Okun, Christopher Hess
BACKGROUND: Deep brain stimulation (DBS) for essential tremor (ET) can cause unwanted side effects. CASE REPORT: A patient with ET underwent unilateral dual-lead thalamic DBS. He later developed parkinsonism with atypical features and was diagnosed with progressive supranuclear palsy. During presentation for a second opinion, stimulation-induced side effects were suspected. Inactivation of DBS resolved atypical features and superimposed idiopathic Parkinson disease (PD) was diagnosed...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28316875/physical-therapy-for-a-patient-with-essential-tremor-and-prolonged-deep-brain-stimulation-a-case-report
#10
Elizabeth A Ulanowski, Megan M Danzl, Kara M Sims
BACKGROUND: There is a lack of evidence examining the role of physical therapy (PT) to address movement dysfunction for individuals with essential tremor (ET). CASE REPORT: A 61-year-old male with ET and prolonged bilateral deep brain stimulation (DBS) completed 14 sessions of outpatient PT that emphasized balance, functional movements, and proximal stability training with an integration of principles of body awareness training and visual motor coordination. Improvements were noted in all outcome measures...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28289551/tic-exacerbation-in-adults-with-tourette-syndrome-a-case-series
#11
Sara M Schaefer, Christopher A Chow, Elan D Louis, Daphne Robakis
BACKGROUND: Tourette syndrome (TS) has been described as peaking in adolescence with subsequent regression. We report patients who were diagnosed with TS during childhood who experienced a latent period (significant reduction in or absence of tics) followed by tic re-emergence in adulthood. METHODS: We performed a retrospective chart review of outpatients over age 21 seen at the Yale neurology clinic between January 2012 and July 2016 who were diagnosed with childhood-onset tics, and who experienced a latent period of greater than 1 year followed by an exacerbation...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28243486/abnormal-spontaneous-eye-movements-as-initial-presentation-of-organophosphate-poisoning
#12
Igor De Lima Teixeira, Silméia Garcia Zanati Bazan, Arthur Oscar Schelp, Gustavo José Luvizutto, Fabrício Diniz De Lima, Rodrigo Bazan
BACKGROUND: Atypical ocular bobbing may result from an intentional poisoning from an organophosphate compound. PHENOMENOLOGY SHOWN: The patient exhibited conjugated, slow, arrhythmic, unpredictable eye movements in all directions, diagnosed as atypical ocular bobbing. EDUCATIONAL VALUE: This is a rare, well-documented, clinically relevant case for medical students for correct diagnosis and appropriate treatment of organophosphate intoxication...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28243485/cortical-stroke-and-hemichorea
#13
Konark Malhotra, Arjun Khunger
No abstract text is available yet for this article.
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28224046/eighth-international-chorea-acanthocytosis-symposium-summary-of-workshop-discussion-and-action-points
#14
Samuel S Pappas, Juan Bonifacino, Adrian Danek, William T Dauer, Mithu De, Lucia De Franceschi, Gilbert DiPaolo, Robert Fuller, Volker Haucke, Andreas Hermann, Benoit Kornmann, Bernhard Landwehrmeyer, Johannes Levin, Aaron M Neiman, Dobrila D Rudnicki, Ody Sibon, Antonio Velayos-Baeza, Jan J Vonk, Ruth H Walker, Lois S Weisman, Roger L Albin
Chorea-Acanthocytosis (ChAc) is a rare hereditary neurological disorder characterized by abnormal movements, red blood cell pathology, and progressive neurodegeneration. Little is understood of the pathogenesis of ChAc and related disorders (collectively Neuroacanthocytosis). The Eighth International Chorea-Acanthocytosis Symposium was held in May 2016 in Ann Arbor, MI, USA, and focused on molecular mechanisms driving ChAc pathophysiology. Accompanying the meeting, members of the neuroacanthocytosis research community and other invited scientists met in a workshop to discuss the current understanding and next steps needed to better understand ChAc pathogenesis...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28176975/familial-aggregation-of-the-cerebellar-signs-in-familial-essential-tremor
#15
Elan D Louis, Nora Hernandez, Karen P Chen, Kelly V Naranjo, Jemin Park, Lorraine N Clark, Ruth Ottman
BACKGROUND: Although the hallmark feature of essential tremor (ET) is kinetic tremor, patients may exhibit additional motor features (e.g., intention tremor and mild gait ataxia) that are markers of an underlying abnormality of cerebellar function. ET is also a highly familial disorder, but we do not know whether the presence and expression of cerebellar signs are similar across family members. There are simply no published data. The alternative possibility is that these features are not heritable...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28119789/integration-of-osteopathic-manual-treatments-in-management-of-cervical-dystonia-with-tremor-a-case-series
#16
Miriam Halimi, Adena Leder, Jayme D Mancini
BACKGROUND: Cervical dystonia, also known as spasmodic torticollis, is a chronic disorder in which patients exhibit involuntary repetitive contractions of neck muscles resulting in abnormal postures or movements. Occasionally, there is also a dystonic head tremor. The underlying mechanisms for cervical dystonia and dystonic tremor are not clear, and treatments are limited. CASE REPORT: In the present cases, two females with head tremor starting in adolescence developed worsening symptoms of cervical dystonia with dystonic tremor in their 60s...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28105387/the-clinical-course-of-a-drug-induced-acute-dystonic-reaction-in-the-emergency-room
#17
Massimo Marano, Lazzaro di Biase, Gaetano Salomone, Alessandro Di Santo, Annalisa Montiroli, Vincenzo Di Lazzaro
BACKGROUND: Acute dystonic reactions following the administration of safe, reliable drugs can occur and must be promptly recognized and treated in the emergency room. PHENOMENOLOGY SHOWN: The entire clinical course of an acute dystonic reaction due to metoclopramide, from early motor signs to full-blown clinical symptoms and resolution. EDUCATIONAL VALUE: Providing elements for early recognition of a drug-induced movement disorder phenomenology...
2016: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28105386/a-comparison-study-of-cognitive-and-neuropsychiatric-features-of-essential-tremor-and-parkinson-s-disease
#18
Verónica Puertas-Martín, Alberto Villarejo-Galende, Sara Fernández-Guinea, Juan Pablo Romero, Elan D Louis, Julián Benito-León
BACKGROUND: Essential tremor (ET) and Parkinson's disease (PD) are two of the most common movement disorders. Leaving aside their motor features, these two conditions share several non-motor features, including cognitive dysfunction and personality changes. However, there are few data comparing the cognitive and personality profiles of ET with PD. Here we compare the cognitive and personality profiles of the two diseases. METHODS: Thirty-two consecutive non-demented ET patients (13 females and 19 males) (67...
2016: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28105385/orthostatic-tremor-and-orthostatic-myoclonus-weight-bearing-hyperkinetic-disorders-a-systematic-review-new-insights-and-unresolved-questions
#19
REVIEW
Anhar Hassan, Jay A van Gerpen
BACKGROUND: Orthostatic tremor (OT) and orthostatic myoclonus (OM) are weight-bearing hyperkinetic movement disorders most commonly affecting older people that induce "shaky legs" upon standing. OT is divided into "classical" and "slow" forms based on tremor frequency. In this paper, the first joint review of OT and OM, we review the literature and compare and contrast their demographic, clinical, electrophysiological, neuroimaging, pathophysiological, and treatment characteristics. METHODS: A PubMed search up to July 2016 using the phrases "orthostatic tremor," "orthostatic myoclonus," "shaky legs," and "shaky legs syndrome" was performed...
2016: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28071768/reply-1-to-glycemic-choreoballism
#20
COMMENT
Carlos Cosentino, Luis Torres, Yesenia Nuñez, Rafael Suarez, Miriam Velez, Martha Flores
In Response To: Lee D, Ahn TB. Glycemic choreoballism. Tremor Other Hyperkinet Mov. 2016; 6. doi: 10.7916/D8QJ7HNF Original Article: Cosentino C, Torres L, Nuñez Y, et al. Hemichorea/hemiballism associated with hyperglycemia: report of twenty cases. Tremor Other Hyperkinet Mov. 2016; 6. doi: 10.7916/D8DN454P.
2016: Tremor and Other Hyperkinetic Movements
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