scholarly journals Research on Characteristics of Essential Tremor in the Latvian Population / Esenciālā Tremora Īpatnību Izpēte Latvijas Populācijā

2015 ◽  
Vol 69 (5) ◽  
pp. 259-264
Author(s):  
Ligita Smeltere ◽  
Elvīra Smeltere
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Movement Disorder ◽  
Essential Tremor ◽  
Severe Form ◽  
Progressive Development ◽  
Kinetic Tremor

Abstract Essential tremor (ET) is a common movement disorder, characterised by symptoms such as bilateral postural and kinetic tremor with prevalent manifestation in hands. The disease has chronic progressive development. In the case of continuous severe form it may resemble Parkinson’s disease (PD) and sometimes comorbidity with PD is possible. Although both diseases have different pathogenesis and treatment, some tremor characteristics for both are similar, thus causing difficulties and mistakes in diagnosing. The aim of the research was to determine ET characteristics within the Latvian population to identify possible causes for making mistakes.

Movement Disorders 1: Tourette’s Syndrome, Essential Tremor, and Parkinson’s Disease (DRAFT)

2018 ◽  
Author(s):  
Tamara Kaplan ◽  
Tracey Milligan
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Essential Tremor ◽  
Movement Disorders ◽  
Postural Instability ◽  
Tourette's Syndrome ◽  
Tourette’S Syndrome ◽  
Resting Tremor ◽  
Kinetic Tremor ◽  
Vocal Tics

The video in this chapter explores movement disorders, and focuses on Tourette’s Syndrome, Essential tremor, and Parkinson’s Disease. It outlines the characteristics of each, such as motor and vocal tics in Tourette’s Syndrome, postural or kinetic tremor in Essential tremor, and the four hallmark features of Parkinson’s Disease (bradykinesia, resting tremor, cogwheel rigidity, and postural instability).

scholarly journals Electrophysiologic characteristics of tremor in Parkinson?s disease and essential tremor

2014 ◽  
Vol 72 (4) ◽  
pp. 301-306 ◽  
Author(s):  
Ederson Cichaczewski ◽  
Renato P. Munhoz ◽  
Joaquim M. Maia ◽  
Percy Nohama ◽  
Edison M. Nóvak ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Essential Tremor ◽  
Average Frequency ◽  
Rest Tremor ◽  
Kinetic Tremor ◽  
Tremor Analysis ◽  
Rest Posture ◽  
Similar Intensity

Tremor in essential tremor (ET) and Parkinson’s disease (PD) usually present specific electrophysiologic profiles, however amplitude and frequency may have wide variations. Objective: To present the electrophysiologic findings in PD and ET. Method: Patients were assessed at rest, with posture and action. Seventeen patients with ET and 62 with PD were included. PD cases were clustered into three groups: predominant rest tremor; tremor with similar intensity at rest, posture and during kinetic task; and predominant kinetic tremor. Results: Patients with PD presented tremors with average frequency of 5.29±1.18 Hz at rest, 5.79±1.39 Hz with posture and 6.48±1.34 Hz with the kinetic task. Tremor in ET presented with an average frequency of 5.97±1.1 Hz at rest, 6.18±1 Hz with posture and 6.53±1.2 Hz with kinetic task. Seven (41.2%) also showed rest tremor. Conclusion: The tremor analysis alone using the methodology described here, is not sufficient to differentiate tremor in ET and PD.

scholarly journals Gut Microbiome and Serum Metabolome Alterations Associated with Isolated Dystonia

mSphere ◽  
2021 ◽  
Author(s):  
Lingyan Ma ◽  
Jing Keng ◽  
Min Cheng ◽  
Hua Pan ◽  
Bo Feng ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Movement Disorder ◽  
Essential Tremor ◽  
Gut Microbiome ◽  
The Third

Dystonia is the third most common movement disorder, after essential tremor and Parkinson’s disease. However, the cause for the majority of cases is not known.

The Stand-Alone Tremor

2016 ◽  
Author(s):  
Robertus M. A. de Bie
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Head And Neck ◽  
Essential Tremor ◽  
Progressive Disease ◽  
The Body ◽  
Head Tremor ◽  
Kinetic Tremor ◽  
The Voice

Essential tremor is defined as long-standing bilateral hand/arm tremor that is visible and may occur persistently during posture-holding, simple movements, and action. The tremor may be slightly asymmetrical. Other areas of the body that may be affected are head and neck (most frequently), the voice, and legs. Head tremor without limb tremor is accepted as essential tremor, although this definition remains controversial. Essential tremor is a progressive disease and manifests at any age. Tremor in Parkinson’s disease mostly starts unilaterally. A no–no or yes–yes tremor of the head indicates essential tremor, whereas a tremor of the jaw or tongue fits with Parkinson’s disease. The cogwheel phenomenon may also occur in patients with essential tremor. Toxins and medications as the cause for postural/kinetic tremor must be ruled out. Pharmacological options for essential tremor can be unsatisfactory.

scholarly journals 123-I ioflupane (Datscan®) presynaptic nigrostriatal imaging in patients with movement disorders

2005 ◽  
Vol 48 (spe2) ◽  
pp. 115-126 ◽  
Author(s):  
Angel Soriano Castrejón ◽  
Ana María García Vicente ◽  
Montserrat Cortés Romera ◽  
Julia Vaamonde Cano ◽  
Sonia Rodado Marina ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Substantia Nigra ◽  
Movement Disorder ◽  
Essential Tremor ◽  
Disease Progression ◽  
Movement Disorders ◽  
Neurodegenerative Disorders ◽  
Nigrostriatal Pathway

123-I Ioflupane (Datscan®) presynaptic imaging has been shown to have a significant utility in the assessment of patients with movement disorders 123-I Ioflupane SPECT is able to distinguish between Parkinson’s disease (PD) and other forms of parkinsonism without degeneration of the nigrostriatal pathway, including a common movement disorder such as essential tremor, and to assess disease progression in PD and other neurodegenerative disorders involving the substantia nigra.

Essential Tremors: A Detailed Review

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Hitesh Garg ◽  
◽  
Betina Chandolia ◽  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Movement Disorder ◽  
Essential Tremor ◽  
Speech Therapy ◽  
Treatment Guidelines ◽  
Clinical Care ◽  
Treatment Options ◽  
Laboratory Findings ◽  
Essential Tremors

Essential tremor (ET) is the most prevalent movement disorder globally and is ten times more prevalent than Parkinson's. It is considered one of the most common movement disorders with various treatment options reported in clinical practice but uncertainty about the most robust one. The International Parkinson and Movement Disorder Society recently reviewed the clinical studies of essential tremors and updated the treatment guidelines. Mild to moderate tremor severity can sometimes be managed with occupational treatment such as speech therapy or adaptation. In contrast, the first-line pharmacological treatments include symptomatic treatment with propranolol, primidone, and topiramate. Botulinum toxin is preferred for selected cases, whereas invasive treatments should be considered a severe essential tremor treatment option. Focused ultrasound thalamotomy is attracting a lot of attention as a new therapy for essential tremors. Misdiagnosis among tremor syndromes is another point of concern and impacts both clinical care and research. A new neurophysiological measure, known as the tremor stability index, is introduced recently to attain diagnostic accuracy between Parkinson's disease tremor and essential tremor. Also, ET-Plus is a newly suggested term for the classification of tremor in the recent Consensus statement, which acknowledges the presence of additional neurological signs in patients with ET. This review includes in detail defining ET, hypothesis about ET, clinical features along with points to consider while differentiating between ET and Parkinson's Disease (PD), evaluation of ET based on laboratory findings, treatment procedures, measures to reduce misdiagnosis between ET and PD, and reality about the new term ET-Plus syndrome.

scholarly journals Global efficiency of the motor network is decreased in Parkinson's disease in comparison with essential tremor and healthy controls

2021 ◽  
Author(s):  
Natalia Pelizari Novaes ◽  
Joana Bisol Balardin ◽  
Fabiana Campos Hirata ◽  
Luciano Melo ◽  
Edson Amaro ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Essential Tremor ◽  
Healthy Controls ◽  
Global Efficiency ◽  
Motor Network
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