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Peraio S, Mantovani G, Araceli T, Mongardi L, Noris A, Fino E, Formica F, Piccinini L, Melani F, Lenge M, Scalise R, Battini R, Di Rita A, D'Incerti L, Appleton T, Cavallo MA, Guerrini R, Giordano F. Unilateral deep brain stimulation (DBS) of nucleus ventralis intermedius thalami (Vim) for the treatment of post-traumatic tremor in children: a multicentre experience. Childs Nerv Syst 2024; 40:2457-2464. [PMID: 38573550 DOI: 10.1007/s00381-024-06380-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE Deep brain stimulation (DBS) of nucleus ventralis intermedius thalami (Vim) is a validated technique for the treatment of essential tremor (ET) in adults. Conversely, its use for post traumatic tremor (PTT) and in paediatric patients is still debated. We evaluated the efficacy of Vim-DBS for lesional tremor in three paediatric patients with drug-resistant post-traumatic unilateral tremor. METHODS We retrospectively collected data regarding three patients with unilateral tremor due to severe head injury, with no MRI evidence of basal ganglia lesions. The three patients underwent stereotactic frame-based robot-assisted DBS of Vim contralateral to the tremor side. RESULTS Mean follow-up was 48 months (range: 36-60 months). Tremor was reduced in all patients with a better control of voluntary movements and improvement of functional status (mean FIM scale improvement + 7 points). No surgical complications occurred. CONCLUSION Unilateral contralateral DBS of Vim could be efficacious in post-traumatic tremor, even in paediatric patients and should be offered in PTT drug-resistant patients.
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Affiliation(s)
- Simone Peraio
- Department of Neurosurgery, Meyer Children's Hospital IRCCS, Florence, Italy
| | - Giorgio Mantovani
- Department of Translational Medicine and for Romagna, University of Ferrara, Ferrara, Italy
| | - Tommaso Araceli
- Department of Neurosurgery, Meyer Children's Hospital IRCCS, Florence, Italy
- Department of Neurosurgery, University Hospital Regensburg, Regensburg, Germany
| | - Lorenzo Mongardi
- Department of Translational Medicine and for Romagna, University of Ferrara, Ferrara, Italy
| | - Alice Noris
- Department of Neurosurgery, Meyer Children's Hospital IRCCS, Florence, Italy
| | - Edoardo Fino
- Pediatric Neurology Clinic - Meyer Children's Hospital IRCCS, Florence, Italy
- University of Florence, Florence, Italy
| | - Francesca Formica
- Istituto Medea "La Nostra Famiglia" IRCCS, Bosisio Parini, LC, Italy
| | - Luigi Piccinini
- Istituto Medea "La Nostra Famiglia" IRCCS, Bosisio Parini, LC, Italy
| | - Federico Melani
- Pediatric Neurology Clinic - Meyer Children's Hospital IRCCS, Florence, Italy
| | - Matteo Lenge
- Pediatric Neurology Clinic - Meyer Children's Hospital IRCCS, Florence, Italy.
| | - Roberta Scalise
- Istituto Stella Maris - IRCCS - University of Pisa, Pisa, Italy
| | - Roberta Battini
- Istituto Stella Maris - IRCCS - University of Pisa, Pisa, Italy
| | - Andrea Di Rita
- Department of Neurosurgery, Meyer Children's Hospital IRCCS, Florence, Italy
| | - Ludovico D'Incerti
- Department of Radiology, Meyer Children's Hospital IRCCS, Florence, Italy
| | | | | | - Renzo Guerrini
- Pediatric Neurology Clinic - Meyer Children's Hospital IRCCS, Florence, Italy
- University of Florence, Florence, Italy
| | - Flavio Giordano
- Department of Neurosurgery, Meyer Children's Hospital IRCCS, Florence, Italy
- University of Florence, Florence, Italy
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Moon D. Disorders of Movement due to Acquired and Traumatic Brain Injury. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2022; 10:311-323. [PMID: 36164499 PMCID: PMC9493170 DOI: 10.1007/s40141-022-00368-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2022] [Indexed: 12/14/2022]
Abstract
Purpose of Review Both traumatic and acquired brain injury can result in diffuse multifocal injury affecting both the pyramidal and extrapyramidal tracts. Thus, these patients may exhibit signs of both upper motor neuron syndrome and movement disorder simultaneously which can further complicate diagnosis and management. We will be discussing movement disorders following acquired and traumatic brain injury. Recent Findings Multiple functions including speech, swallowing, posture, mobility, and activities of daily living can all be affected. Medical treatment and rehabilitation-based therapy can be especially challenging due to accompanying cognitive deficits and severity of the disorder which can involve multiple limbs in addition to muscles of the face and axial skeleton. Tremor and dystonia are the most reported movement disorders following traumatic brain injury. Dystonia and myoclonus are well documented following hypoxic ischemic brain injuries. Electrophysiological studies such as dynamic surface poly-electromyography can assist with identifying phenomenology, especially differentiating between jerk-like phenomenon and help guide further work up and management. Management with medications remains challenging due to potential adverse effects. Surgical interventions including stereotactic surgery, deep brain stimulation, and intrathecal baclofen pumps have been reported, but most of the evidence supporting them has been limited to primarily case reports except for post-traumatic tremor. Summary Brain injury can lead to motor disorders, movement disorders, visual (processing) deficits, and vestibular deficits which often coexist with cognitive deficits making it challenging to treat and rehabilitate these patients. Unfortunately, the evidence regarding the medical management and rehabilitation of brain injury patients with movement disorders is sparse and leaves much to be desired.
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Affiliation(s)
- Daniel Moon
- grid.421874.c0000 0001 0016 6543Moss Rehabilitation Hospital, Elkins Park, PA USA
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3
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Deep brain stimulation for lesion-related tremors: A systematic review and meta-analysis. Parkinsonism Relat Disord 2018; 47:8-14. [DOI: 10.1016/j.parkreldis.2017.12.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 12/10/2017] [Accepted: 12/11/2017] [Indexed: 12/28/2022]
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Deep Brain Stimulation for Tremor. Neuromodulation 2018. [DOI: 10.1016/b978-0-12-805353-9.00075-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Elias GJB, Namasivayam AA, Lozano AM. Deep brain stimulation for stroke: Current uses and future directions. Brain Stimul 2017; 11:3-28. [PMID: 29089234 DOI: 10.1016/j.brs.2017.10.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 10/07/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Survivors of stroke often experience significant disability and impaired quality of life related to ongoing maladaptive responses and persistent neurologic deficits. Novel therapeutic options are urgently needed to augment current approaches. One way to promote recovery and ameliorate symptoms may be to electrically stimulate the surviving brain. Various forms of brain stimulation have been investigated for use in stroke, including deep brain stimulation (DBS). OBJECTIVE/METHODS We conducted a comprehensive literature review in order to 1) review the use of DBS to treat post-stroke maladaptive responses including pain, dystonia, dyskinesias, and tremor and 2) assess the use and potential utility of DBS for enhancing plasticity and recovery from post-stroke neurologic deficits. RESULTS/CONCLUSIONS A large variety of brain structures have been targeted in post-stroke patients, including motor thalamus, sensory thalamus, basal ganglia nuclei, internal capsule, and periventricular/periaqueductal grey. Overall, the reviewed clinical literature suggests a role for DBS in the management of several post-stroke maladaptive responses. More limited evidence was identified regarding DBS for post-stroke motor deficits, although existing work tentatively suggests DBS-particularly DBS targeting the posterior limb of the internal capsule-may improve paresis in certain circumstances. Substantial future work is required both to establish optimal targets and parameters for treatment of maladapative responses and to further investigate the effectiveness of DBS for post-stroke paresis.
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Affiliation(s)
- Gavin J B Elias
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada
| | - Andrew A Namasivayam
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada
| | - Andres M Lozano
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada.
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Roy HA, Green AL, Aziz TZ. State of the Art: Novel Applications for Deep Brain Stimulation. Neuromodulation 2017; 21:126-134. [DOI: 10.1111/ner.12604] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 02/19/2017] [Accepted: 03/11/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Holly A. Roy
- Nuffield Department of Surgical Sciences; Oxford University; Oxford UK
- Neurosurgery Department; Oxford University Hospitals; Oxford UK
| | - Alexander L. Green
- Nuffield Department of Surgical Sciences; Oxford University; Oxford UK
- Neurosurgery Department; Oxford University Hospitals; Oxford UK
| | - Tipu Z. Aziz
- Nuffield Department of Surgical Sciences; Oxford University; Oxford UK
- Neurosurgery Department; Oxford University Hospitals; Oxford UK
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Cabañes-Martínez L, Del Álamo de Pedro M, de Blas Beorlegui G, Bailly-Bailliere IR. Long-Term Effective Thalamic Deep Brain Stimulation for Neuropathic Tremor in Two Patients with Charcot-Marie-Tooth Disease. Stereotact Funct Neurosurg 2017; 95:102-106. [PMID: 28297702 DOI: 10.1159/000457963] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 01/18/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND It has been described that many Charcot-Marie-Tooth syndrome type 2 patients are affected by a very disabling type of tremor syndrome, the pathophysiology of which remains unclear. Deep brain stimulation (DBS) has been successfully applied to treat most types of tremors by implanting electrodes in the ventral intermediate nucleus of the thalamus (Vim). METHODS We used DBS applied to the Vim in 2 patients with severe axonal inherited polyneuropathies who developed a disabling tremor. RESULTS Both patients responded positively to stimulation, with a marked reduction of the tremor and with an improvement of their quality of life. CONCLUSION We report 2 cases of tremor associated with a hereditary neuropathy with a good response to DBS.
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Rojas-Medina LM, Esteban-Fernández L, Rodríguez-Berrocal V, Del Álamo de Pedro M, Ley Urzaiz L, Bailly-Baillere IR. Deep Brain Stimulation in Posttraumatic Tremor: A Series of Cases and Literature Review. Stereotact Funct Neurosurg 2016; 94:379-386. [PMID: 27846626 DOI: 10.1159/000448078] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 06/29/2016] [Indexed: 11/19/2022]
Abstract
BACKGROUND Posttraumatic tremor (PTT) is the most frequent movement disorder secondary to cranioencephalic trauma and can be persistent and disabling. OBJECTIVES We review and assess the efficacy of deep brain stimulation (DBS) at the VIM/VOP/ZI (ventralis intermedius/ventrooralis posterior/zona incerta) complex level for the treatment of PTT. METHODS During the period from 1999 to 2014, 5 patients diagnosed with PTT were selected who had experienced a major deterioration in their quality of life without improvement during medical treatment for more than 1 year. They underwent surgery for DBS at the VIM/VOP/ZI complex level, and the modified tremor scale before and after surgery was used for their follow-up. RESULTS Each patient showed improvements in their symptoms after DBS compared with baseline, which was moderate (II) in 2 cases and marked (III) in the other cases. All of the improvements were maintained with chronic DBS, without tremor rebound. CONCLUSIONS Stimulation of the contralateral VIM/VOP/ZI complex resulted in a noticeable improvement in tremor and recovery of independence in basic daily activities in patients with PTT.
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Boccard SGJ, Rebelo P, Cheeran B, Green A, FitzGerald JJ, Aziz TZ. Post-Traumatic Tremor and Thalamic Deep Brain Stimulation: Evidence for Use of Diffusion Tensor Imaging. World Neurosurg 2016; 96:607.e7-607.e11. [PMID: 27693821 DOI: 10.1016/j.wneu.2016.09.079] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 09/16/2016] [Accepted: 09/20/2016] [Indexed: 01/11/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS) is a well-established treatment to reduce tremor, notably in Parkinson disease. DBS may also be effective in post-traumatic tremor, one of the most common movement disorders caused by head injury. However, the cohorts of patients often have multiple lesions that may impact the outcome depending on which fiber tracts are affected. CASE DESCRIPTION A 20-year-old man presented after road traffic accident with severe closed head injury and polytrauma. Computed tomography scan showed left frontal and basal ganglia hemorrhagic contusions and intraventricular hemorrhage. A disabling tremor evolved in step with motor recovery. Despite high-intensity signals in the intended thalamic target, a visual analysis of the preoperative diffusion tensor imaging revealed preservation of connectivity of the intended target, ventralis oralis posterior thalamic nucleus (VOP). This was confirmed by the postoperative tractography study presented here. DBS of the VOP/zona incerta was performed. Six months postimplant, marked improvement of action (postural, kinetic, and intention) tremor was achieved. CONCLUSIONS We demonstrated a strong connectivity between the VOP and the superior frontal gyrus containing the premotor cortex and other central brain areas responsible for movement control. In spite of an existing lesion in the target, the preservation of these tracts may be relevant to the improvement of the patient's symptoms by DBS.
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Affiliation(s)
- Sandra G J Boccard
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom.
| | - Pedro Rebelo
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom
| | - Binith Cheeran
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom
| | - Alexander Green
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom
| | - James J FitzGerald
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom
| | - Tipu Z Aziz
- Oxford Functional Neurosurgery and Experimental Neurology Group, Nuffield Departments of Clinical Neuroscience and Surgery, University of Oxford, Oxford, United Kingdom
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Abstract
Introduction: Deep brain stimulation (DBS) has become a standard therapy for the treatment of select cases of medication refractory essential tremor and Parkinson’s disease however the effectiveness and long-term outcomes of DBS in other uncommon and complex tremor syndromes has not been well established. Traditionally, the ventralis intermedius nucleus (VIM) of the thalamus has been considered the main target for medically intractable tremors; however alternative brain regions and improvements in stereotactic techniques and hardware may soon change the horizon for treatment of complex tremors. Areas covered: In this article, we conducted a PubMed search using different combinations between the terms ‘Uncommon tremors’, ‘Dystonic tremor’, ‘Holmes tremor’ ‘Midbrain tremor’, ‘Rubral tremor’, ‘Cerebellar tremor’, ‘outflow tremor’, ‘Multiple Sclerosis tremor’, ‘Post-traumatic tremor’, ‘Neuropathic tremor’, and ‘Deep Brain Stimulation/DBS’. Additionally, we examined and summarized the current state of evolving interventions for treatment of complex tremor syndromes. Expertcommentary: Recently reported interventions for rare tremors include stimulation of the posterior subthalamic area, globus pallidus internus, ventralis oralis anterior/posterior thalamic subnuclei, and the use of dual lead stimulation in one or more of these targets. Treatment should be individualized and dictated by tremor phenomenology and associated clinical features.
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Affiliation(s)
| | - Michael S Okun
- b Department of Neurology , University of Florida Center for Movement Disorders and Neurorestoration , Gainesville FL , USA
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11
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Abstract
Over the past few decades it has been recognized that traumatic brain injury may result in various movement disorders. In survivors of severe head injury, post-traumatic movement disorders were reported in about 20%, and they persisted in about 10% of patients. The most frequent persisting movement disorder in this population is kinetic cerebellar outflow tremor in about 9%, followed by dystonia in about 4%. While tremor is associated most frequently with cerebellar or mesencephalic lesions, patients with dystonia frequently have basal ganglia or thalamic lesions. Moderate or mild traumatic brain injury only rarely causes persistent post-traumatic movement disorders. It appears that the frequency of post-traumatic movement disorders overall has been declining which most likely is secondary to improved treatment of brain injury. In patients with disabling post-traumatic movement disorders which are refractory to medical treatment, stereotactic neurosurgery can provide long-lasting benefit. While in the past the primary option for severe kinetic tremor was thalamotomy and for dystonia thalamotomy or pallidotomy, today deep brain stimulation has become the preferred treatment. Parkinsonism is a rare consequence of single head injury, but repeated head injury such as seen in boxing can result in chronic encephalopathy with parkinsonian features. While there is still controversy whether or not head injury is a risk factor for the development of Parkinson's disease, recent studies indicate that genetic susceptibility might be relevant.
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Affiliation(s)
- Joachim K Krauss
- Department of Neurosurgery, Medical School Hannover, Hannover, Germany.
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12
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Sitsapesan HA, Holland P, Oliphant Z, De Pennington N, Brittain JS, Jenkinson N, Joint C, Aziz TZ, Green AL. Deep brain stimulation for tremor resulting from acquired brain injury. J Neurol Neurosurg Psychiatry 2014; 85:811-5. [PMID: 24306513 DOI: 10.1136/jnnp-2013-305340] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To evaluate the efficacy of deep brain stimulation (DBS) in the treatment of tremor resulting from acquired brain injury (ABI). METHODS A series of eight consecutive patients with post-ABI tremor were treated with DBS of the ventro-oralis posterior (VOP)/zona incerta (ZI) region, and subsequently underwent blinded assessments using Bain's tremor severity scale. RESULTS VOP/ZI DBS produced a mean reduction in tremor severity of 80.75% based on Bain's tremor severity scale, with significant reductions in all five component tremor subscores: rest, postural, kinetic, proximal and distal. No adverse neurological complications were reported, although one patient experienced exacerbation of pre-existing gait ataxia. CONCLUSION VOP/ZI stimulation is demonstrated here to be an effective and safe approach for the treatment of post-ABI tremor in the largest series published at the time of writing.
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Affiliation(s)
- H A Sitsapesan
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Nuffield Department of Surgical Sciences, Oxford University, Oxford, Oxfordshire, UK
| | - P Holland
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Nuffield Department of Surgical Sciences, Oxford University, Oxford, Oxfordshire, UK
| | - Z Oliphant
- Department of Physiology, Anatomy and Genetics, Oxford University, Oxford, Oxfordshire, UK
| | - N De Pennington
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Department of Physiology, Anatomy and Genetics, Oxford University, Oxford, Oxfordshire, UK
| | - J-S Brittain
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Oxford University, Institute for Biomedical Engineering, Oxford, Oxfordshire, UK
| | - N Jenkinson
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Nuffield Department of Surgical Sciences, Oxford University, Oxford, Oxfordshire, UK
| | - C Joint
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK
| | - T Z Aziz
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Nuffield Department of Surgical Sciences, Oxford University, Oxford, Oxfordshire, UK
| | - A L Green
- Oxford Functional Neurosurgery and Experimental Neurology, Oxford University, Oxford, Oxfordshire, UK Nuffield Department of Surgical Sciences, Oxford University, Oxford, Oxfordshire, UK
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Treating post-traumatic tremor with deep brain stimulation: Report of five cases. Parkinsonism Relat Disord 2013; 19:1100-5. [DOI: 10.1016/j.parkreldis.2013.07.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Revised: 07/02/2013] [Accepted: 07/19/2013] [Indexed: 12/13/2022]
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Abstract
Deep brain stimulation (DBS) is a well established treatment for essential tremor and for the tremor associated with Parkinson's disease. The efficacy of DBS in these common tremors has led some investigators to apply the technique to rarer tremors such as such as Holmes' tremor, posttraumatic tremor, orthostatic tremor, and the tremor associated with multiple sclerosis. Likewise, DBS of the thalamus and globus pallidus directly suppresses levodopa-induced dyskinesias in Parkinson's disease, suggesting the application of DBS to other hyperkinetic states such as Huntington's disease, tardive dyskinesia, and hemiballism. Myoclonus has also been treated with DBS, especially in cases where it is associated with dystonia. This chapter reviews the reported results of DBS for these conditions. Due to the rarity of these indications, most of the literature reviewed takes the form of case reports or small single-center case series.
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Affiliation(s)
- Philip A Starr
- Department of Neurological Surgery, University of California, San Francisco, CA, USA.
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Steigerwald F, Volkmann J. [Deep brain stimulation for movement disorders]. DER NERVENARZT 2012; 83:988-93. [PMID: 22814634 DOI: 10.1007/s00115-012-3570-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In the last 25 years deep brain stimulation (DBS) has increased the therapeutic options as well as the pathophysiological understanding of movement disorders (MDS) to an unforeseen extent. This paper covers the state of the art of DBS treatment of Parkinson's disease, tremors, dystonia and other rare forms of MDS and gives an short overview of the mechanisms of action of DBS.
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Affiliation(s)
- F Steigerwald
- Klinik und Poliklinik für Neurologie, Universitätsklinkum Würzburg, Josef-Schneider-Str. 11, 97072 Würzburg, Deutschland.
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&NA;. Essential tremor in children is generally mild, but some patients may require pharmacological treatment. DRUGS & THERAPY PERSPECTIVES 2010. [DOI: 10.2165/11205170-000000000-00000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Abstract
Essential tremor (ET) is a common, often familial, movement disorder characterized by tremor of the limbs, head, and voice. Epidemiological surveys indicate that up to 5% of the adult population has ET, and 5-30% of adults with ET report symptom onset during childhood. There is, however, little published regarding ET in the pediatric population, and no prospective studies targeted specifically to children. Retrospective studies from subspecialty movement disorder clinics indicate that childhood-onset ET is usually hereditary, begins at a mean age of 6 years, and affects boys three times as often as girls. While ET occasionally results in disability during childhood, only one-quarter of children seeing a neurologist for ET require pharmacotherapy. Small case series suggest that propranolol is effective in approximately 50% of children with ET, but controlled treatment trials are lacking.
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Affiliation(s)
- Joseph Ferrara
- Parkinson Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, Texas 77030, USA
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Lefkowitz T, Flanagan S, Varlotta G. Rehabilitation of orthopaedic and neurologic boxing injuries. Clin Sports Med 2009; 28:623-39, vii. [PMID: 19819406 DOI: 10.1016/j.csm.2009.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Clinical decision making for injured boxers follows the same therapeutic principles as the treatment plan for other injured athletes. Just as surgical techniques have improved, so has the scientific basis for implementing therapeutic exercises progressed to return the athletes to their former level of competition.
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Affiliation(s)
- Todd Lefkowitz
- Department of Rehabilitation Medicine, New York University School of Medicine, Rusk Institute of Rehabilitation Medicine, 317 East 34th Street, 5th Floor, NY 100016, USA
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Burdick AP, Okun MS, Foote KD. Deep Brain Stimulation for Tremor. Neuromodulation 2009. [DOI: 10.1016/b978-0-12-374248-3.00044-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Abstract
Deep brain stimulation (DBS) has been used to treat various tremor disorders for several decades. Medication-resistant, disabling essential tremor (ET) is the most common tremor disorder treated with DBS. The treatment has been consistently reported to result in significant benefit in upper extremity, as well as head and voice tremor, all of which were improved more dramatically with bilateral procedures. These benefits have been demonstrated to be sustained for up to 7 years. DBS has also been shown to be beneficial for the tremor associated with multiple sclerosis and post-traumatic tremor; however, fewer cases have been reported and the benefit is less consistent, less dramatic, and more transient than that seen with ET. The ventral intermediate nucleus of the thalamus is the most common DBS target for tremor disorders, but more recent studies have demonstrated benefits in tremor from DBS of the subthalamic area, primarily the zona incerta. Surgical complications are relatively uncommon and are generally less frequent than those seen with thalamotomy. Stimulation-related effects are usually mild and resolve with adjustment of stimulation parameters. DBS is thus a relatively safe and effective treatment for tremor disorders, particularly for medication-resistant, disabling ET, but may also have some role in medication-resistant, disabling tremor associated with multiple sclerosis and traumatic head injury.
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Affiliation(s)
- Kelly E Lyons
- Parkinson's Disease and Movement Disorder Center, Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA.
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