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Xu Y, Yu J, Gao Y, Su Q, Xie H, Liang H, Zheng C. A case of chorea-acanthocytosis with significant improvement of symptoms at one year with deep brain stimulation: case report and literature review. Front Neurol 2024; 15:1377377. [PMID: 39119561 PMCID: PMC11306016 DOI: 10.3389/fneur.2024.1377377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 07/15/2024] [Indexed: 08/10/2024] Open
Abstract
Chorea-acanthocytosis (ChAc) is a rare, neurodegenerative disorder caused by mutations in the VPS13A gene. In this article, we report on a 32-year-old man diagnosed with ChAc, with involuntary movements of the mouth and trunk, drooling of the mouth, slurred speech, and abnormal vocalizations as the main clinical manifestations. Three weeks after implantation of globus pallidus internal (GPi)-deep brain stimulation (DBS), the patient's symptoms improved significantly. For example, articulation is clear, involuntary trunk movements and salivation have largely disappeared, and abnormal vocalizations have been significantly reduced. After 1 year of follow-up, the improvement in involuntary movement symptoms is essentially the same as before. As far as we know, we are the first to report the relief of involuntary vocalizations in a patient with GPi-DBS treatment, and that salivation and involuntary trunk movements have almost disappeared, and all other symptoms are significantly relieved, which is rare in previous cases. All of the above proves that the treatment of our case with DBS was very successful and that longer term follow-up is critical. We also hope that our case will provide new references and therapeutic ideas for the future treatment of patients with ChAc.
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Affiliation(s)
- Yan Xu
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiabin Yu
- Department of Neurology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Yimeng Gao
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qiaozhen Su
- Department of Neurology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Haitao Xie
- Department of Neurology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Hongfeng Liang
- Department of Neurology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Chunye Zheng
- Department of Neurology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, China
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Garcia Ruiz PJ, Feliz LD, Feliz CE, Sanchez IL, Fernandez AA, Kelly FB, Tiebas MJT, del Val J, Vinagre IN. The enduring enigma of sporadic chorea: A single center case series. Tremor Other Hyperkinet Mov (N Y) 2023; 13:33. [PMID: 37692071 PMCID: PMC10487123 DOI: 10.5334/tohm.800] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 08/24/2023] [Indexed: 09/12/2023] Open
Abstract
Chorea can have a wide variety of causes including neurodegenerative, pharmacological, structural, metabolic, infectious, immunologic and paraneoplastic processes. We reviewed the clinical records of patients with apparently sporadic choreic movements and no relevant family history, who presented to our neurology department (Hospital Fundación Jimenez Diaz) between 1991 and 2022. We detected 38 cases of apparent sporadic chorea (ASC); Our analysis revealed 5 cases of genetic chorea (including 3 cases with Huntington's disease) while 6 cases were autoimmune/hematological; 6 drug-related chorea, 5 metabolic-vascular, 5 due to miscellaneous conditions and 4 were of mixed etiology. No clear etiology was identified in 8 cases. The differential diagnosis of ASC is extensive and challenging. Highlights Chorea can have a wide variety of genetic and sporadic causesWe reviewed the clinical records of patients with apparently sporadic chorea (ASC), who presented to our neurology department over the last 30 yearsWe detected 38 cases of apparent ASC; Our analysis revealed a wide array of different sporadic conditions and 5 cases of genetic choreaThe differential diagnosis of ASC is extensive and challenging.
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Affiliation(s)
| | - Lola Diaz Feliz
- Department of Neurology, Fundacion Jimenez Diaz, Madrid, Spain
| | - Cici E. Feliz
- Department of Neurology, Fundacion Jimenez Diaz, Madrid, Spain
| | | | | | | | | | - Javier del Val
- Department of Neurology, Fundacion Jimenez Diaz, Madrid, Spain
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He W, Li C, Dong H, Shao L, Yin B, Li D, Ye L, Hu P, Zhang C, Yi W. Pallidus Stimulation for Chorea-Acanthocytosis: A Systematic Review and Meta-Analysis of Individual Data. J Mov Disord 2022; 15:197-205. [PMID: 35880382 PMCID: PMC9536914 DOI: 10.14802/jmd.22003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 05/27/2022] [Indexed: 11/24/2022] Open
Abstract
A significant proportion of patients with chorea-acanthocytosis (ChAc) fail to respond to standard therapies. Recent evidence suggests that globus pallidus internus (GPi) deep brain stimulation (DBS) is a promising treatment option; however, reports are few and limited by sample sizes. We conducted a systematic literature review to evaluate the clinical outcome of GPi-DBS for ChAc. PubMed, Embase, and Cochrane Library databases were searched for relevant articles published before August 2021. The improvement of multiple motor and nonmotor symptoms was qualitatively presented. Improvements in the Unified Huntington’s Disease Rating Scale motor score (UHDRS-MS) were also analyzed during different follow-up periods. A multivariate linear regression analysis was conducted to identify potential predictors of clinical outcomes. Twenty articles, including 27 patients, were eligible. Ninety-six percent of patients with oromandibular dystonia reported significant improvement. GPi-DBS significantly improved the UHDRS-motor score at < 6 months (p < 0.001) and ≥ 6 months (p < 0.001). The UHDRS-motor score improvement rate was over 25% in 75% (15/20 cases) of patients at long-term follow-up (≥ 6 months). The multiple linear regression analysis showed that sex, age at onset, course of disease, and preoperative movement score had no linear relationship with motor improvement at long-term follow-up (p > 0.05). GPi-DBS is an effective and safe treatment in most patients with ChAc, but no reliable predictor of efficacy has been found. Oromandibular dystonia-dominant patients might be the best candidates for GPi-DBS.
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Affiliation(s)
- Weibin He
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chenhui Li
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hongjuan Dong
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lingmin Shao
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bo Yin
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Dianyou Li
- Department of Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liguo Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ping Hu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chencheng Zhang
- Department of Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Yi
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
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Surgical Outcomes in Rare Movement Disorders: A Report of Seventeen Patients from India and Review of Literature. Tremor Other Hyperkinet Mov (N Y) 2022; 12:22. [PMID: 35811746 PMCID: PMC9231568 DOI: 10.5334/tohm.693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/08/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Rare movement disorders (RMDs) throw remarkable challenges to their appropriate management particularly when they are medically refractory. We studied the outcome of functional neurosurgery among patients with RMDs. Methods: Retrospective chart-review from 2006 to 2021 of patients with RMDs who underwent either Deep brain Stimulation (DBS) or lesional surgeries in the department of Neurology and Neurosurgery at a tertiary care centre. Results: Seventeen patients were included. Generalized dystonia (11 patients, 64.7%) and tremor (5 patients, 29.4%) were the most common indication for surgery whereas, Wilson’s disease (8 patients, 47.1%) and Neurodegeneration with brain iron accumulation (5 patients, 29.4%) were the most common aetiology. Sixteen patients (94.1%) had objective clinical improvement. Significant improvement was noted in the dystonia motor scores both at 6-months and 12-months follow-up (n = 11, p-value of <0.01 and 0.01 respectively). Comparison between DBS and lesional surgery showed no significant difference in the outcomes (p = 0.95 at 6-months and p = 0.53 at 12-months), with slight worsening of scores in the DBS arm at 12-months. Among five patients of refractory tremor with Wilson’s disease, there was remarkable improvement in the tremor scores by 85.0 ± 7.8% at the last follow-up. Speech impairment was the main complication observed with most of the other adverse events either transient or reversible. Discussion: Surgical options should be contemplated among patients with disabling medically refractory RMDs irrespective of the aetiology. Key to success lies in appropriate patient selection. In situations when DBS is not feasible, lesional surgeries can offer an excellent alternative with comparable efficacy and safety.
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Deep brain stimulation for chorea-acanthocytosis: a systematic review. Neurosurg Rev 2022; 45:1861-1871. [PMID: 35020105 DOI: 10.1007/s10143-022-01735-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/22/2021] [Accepted: 01/03/2022] [Indexed: 02/05/2023]
Abstract
Deep brain stimulation (DBS) is a reversible treatment for chorea-acanthocytosis (ChAc). Its safety and efficacy remain elusive due to the low prevalence of ChAc. We aimed to investigate the safety and efficacy of DBS for ChAc by systematically reviewing literature through PubMed and EMBASE. Inclusion criteria were reports on the efficacy or safety of DBS for ChAc and English language articles, and exclusion criteria were other movement disorders, non-human subjects, and studies without original data. Most studies were published as case reports, and we therefore pooled these cases in one cohort. Twenty studies with 34 patients were included. The mean age of symptom onset was 29.3 years (range, 17-48). The median follow-up was 12 months (range, 2-84). Twenty-nine patients underwent GPi-DBS, two received STN-DBS, and one underwent Vop-DBS. Electrodes were implanted into the ventralis oralis complex of the thalamus and the pallidal in two patients. Symptoms seemed to be easier relieved in chorea (88.5%) and dystonia (76.9%) but dysarthria of most patients (85.7%) was no response after DBS. The Unified Huntington's Disease Rating Scale-Motor Score was used to assess the efficacy of DBS in 25 patients; the mean score decreased from 43.2 to 22.3 and the median improvement rate was 46.7%. Of 24 patients with data on adverse events, complications occurred in 9 patients (37.5%; mostly transient and mild events). DBS is a promising treatment for ChAc with satisfactory efficacy and safety based on the review. Pallidal and thalamic DBS have been applied in ChAc; GPi-DBS seems to be more widely used.
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Skripkina NA, Datieva VK, Levin OS. [Case-report of neuroacanthocytosis associated with a compound mutation in the VPS13A gene]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:104-110. [PMID: 34693697 DOI: 10.17116/jnevro2021121091104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Neuroacanthocytosis is a group of neurodegenerative diseases manifested by a combition of neurological symptoms (most often choreic hyperkinesis) and the presence of an increased number of acanthocytes (erythrocytes with horns) in the peripheral blood. This group includes chorea-acanthocytosis, MacLeod's syndrome, pantothenate kinase-associated neurodegeneration, Huntington-like disease type 2, and some other very rare diseases. This article presents a genetically confirmed clinical case of chorea-acanthocytosis associated with a compound mutation in the VPS13A gene, discusses in detail the stages of a diagnostic search, presents an algorithm for examining patients with chorea.
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Affiliation(s)
- N A Skripkina
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - V K Datieva
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - O S Levin
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
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Criminal Behaviour Associated with a Novel Mutation in the VPS13A-Gene Causing Chorea-Acanthocytosis. Case Rep Psychiatry 2019; 2019:5947416. [PMID: 31139485 PMCID: PMC6500623 DOI: 10.1155/2019/5947416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 04/01/2019] [Indexed: 11/29/2022] Open
Abstract
Heralded by obsessive-compulsive disorder and anxiety, chorea-acanthocytosis may initially present in a psychiatric setting. As insidious onset of involuntary movements is commonly precipitated by dopamine blocking agents, this may not prompt further neurological investigation until symptoms progress after withdrawal of the suspected offending drug. Oromandibular dystonia and frontal disinhibition should call for early neurologic evaluation.
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Liu Z, Liu Y, Wan X, Yang Y, Wang L, Dou W, Guo J, Wang Y, Guo Y, Ma W, Wang R. Pallidal Deep Brain Stimulation in Patients With Chorea-Acanthocytosis. Neuromodulation 2018; 21:741-747. [DOI: 10.1111/ner.12763] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 01/08/2018] [Accepted: 01/31/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Ziyuan Liu
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Yang Liu
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Xinhua Wan
- Department of Neurology; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Yingmai Yang
- Department of Neurology; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Lin Wang
- Department of Neurology; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Wanchen Dou
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Jinzhu Guo
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Yu Wang
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Yi Guo
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Wenbin Ma
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
| | - Renzhi Wang
- Department of Neurosurgery; Peking Union Medical College Hospital, Chinese Academy of Medical Sciences; Beijing People's Republic of China
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Beaulieu-Boire I, Aquino CC, Fasano A, Poon YY, Fallis M, Lang AE, Hodaie M, Kalia SK, Lozano A, Moro E. Deep Brain Stimulation in Rare Inherited Dystonias. Brain Stimul 2016; 9:905-910. [PMID: 27743838 DOI: 10.1016/j.brs.2016.07.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 07/01/2016] [Accepted: 07/21/2016] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Rare causes of inherited movement disorders often present with a debilitating phenotype of dystonia, sometimes combined with parkinsonism and other neurological signs. Since these disorders are often resistant to medications, DBS may be considered as a possible treatment. METHODS Patients with identified genetic diseases (ataxia-telangiectasia, chorea-achantocytosis, dopa-responsive dystonia, congenital nemaline myopathy, methylmalonic aciduria, neuronal ceroid lipofuscinosis, spinocerebellar ataxia types 2 and 3, Wilson's disease, Woodhouse-Sakati syndrome, methylmalonic aciduria, and X trisomy) and disabling dystonia underwent bilateral GPi DBS (bilateral thalamic Vim nucleus in 1 case). The primary outcome was the difference in the Burke-Fahn-Marsden Dystonia Rating Scale (BFMDRS) between baseline, 1 year and last available follow-up. Preoperative factors such as age at surgery, disease duration at surgery, proportion of life lived with dystonia and severity of dystonia were correlated to the primary outcome. RESULTS Eleven patients were operated between February 2003 and December 2013. Age and duration of disease at time of surgery were 30 ± 19 and 12.5 ± 15.7 years, respectively. DBS effects on dystonia severity were variable but overall marginally effective, with a mean improvement of 7.9% (p = 0.39) at 1-year follow-up and 16.7% (p = 0.46) at last follow-up (mean 47.3 ± 19.9 months after surgery). No preoperative factors were identified to predict the surgical outcome. CONCLUSION Our findings support the current knowledge that DBS is modestly effective in treating rare inherited dystonias with a combined phenotype. However, the BFMDRS might not be the best tool to measure outcome in these severely affected patients.
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Affiliation(s)
- Isabelle Beaulieu-Boire
- Division of Neurology, Centre Hospitalier Universitaire de Sherbrooke, University of Sherbrooke, Sherbrooke, Québec, Canada; Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Camila C Aquino
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Alfonso Fasano
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada.
| | - Yu-Yan Poon
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Melanie Fallis
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Antony E Lang
- Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Mojgan Hodaie
- Division of Neurosurgery, Toronto Western Hospital, University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Suneil K Kalia
- Division of Neurosurgery, Toronto Western Hospital, University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Andres Lozano
- Division of Neurosurgery, Toronto Western Hospital, University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Elena Moro
- Division of Neurology, CHU Grenoble, INSERM U836, Joseph Fourier University, Grenoble, France
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Baizabal-Carvallo JF, Alonso-Juarez M. Low-frequency deep brain stimulation for movement disorders. Parkinsonism Relat Disord 2016; 31:14-22. [DOI: 10.1016/j.parkreldis.2016.07.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/21/2016] [Accepted: 07/28/2016] [Indexed: 12/24/2022]
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Fernández-Pajarín G, Sesar A, Ares B, Jiménez-Martín I, Blanco-Arias P, Corredera E, Relova JL, Gelabert M, Castro A. Deep brain bilateral pallidal stimulation in chorea-acanthocytosis caused by a homozygousVPS13Amutation. Eur J Neurol 2015; 23:e4-5. [DOI: 10.1111/ene.12833] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 08/03/2015] [Indexed: 11/30/2022]
Affiliation(s)
- G. Fernández-Pajarín
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - A. Sesar
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - B. Ares
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - I. Jiménez-Martín
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - P. Blanco-Arias
- Fundación Pública Galega de Medicina Xenómica-SERGAS; Centro para la Investigación Biomédica en Red de Enfermedades Raras (CIBERER); Instituto de Investigación Sanitaria de Santiago (IDIS); Santiago de Compostela Spain
| | - E. Corredera
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - J. L. Relova
- Department of Neurophysiology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - M. Gelabert
- Department of Neurosurgery; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
| | - A. Castro
- Department of Neurology; Hospital Clínico Universitario de Santiago de Compostela; Santiago de Compostela Spain
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Nakano N, Miyauchi M, Nakanishi K, Saigoh K, Mitsui Y, Kato A. Successful Combination of Pallidal and Thalamic Stimulation for Intractable Involuntary Movements in Patients with Neuroacanthocytosis. World Neurosurg 2015; 84:1177.e1-7. [PMID: 26165146 DOI: 10.1016/j.wneu.2015.06.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 06/22/2015] [Accepted: 06/23/2015] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Neuroacanthocytosis (NA) is a rare neurodegenerative disease that involves severe involuntary movements including chorea, dystonia, and trunk spasms. Current treatments are not effective for these involuntary movements. Although there are a few reports on the use of deep brain stimulation to treat patients with NA, the optimal stimulation target is not yet definitive. Some authors have reported successful improvement of NA symptoms with stimulation of the globus pallidum interna, and others have reported a reduction in trunk spasm with stimulation of the ventralis oralis complex of the thalamus. We investigated whether the optimal target is well defined for NA. METHODS We describe the effect of combination stimulation of the globus pallidum interna and the ventralis oralis complex of the thalamus in 2 patients with NA who presented with severe intractable involuntary movements. RESULTS Gpi stimulation alone was an insufficient effect for trunk spasm and/or chorea. Vo complex stimulation given without Gpi stimulation resulted in improvement of trunk spasm after 2 weeks and might also have had an incomplete effect on involuntary movement including a chorea. The combination of Gpi and Vo complex stimulation reduced the trunk spasms and chorea. This improvement was maintained at 3 months after surgery. The Unified Huntington's Disease Rating Scale score at 1 year after surgery was lower than that before surgery. CONCLUSIONS Gpi stimulation appears to be insufficient to control violent involuntary movements; therefore, combined GPi and Vo complex stimulation provided some moderate advantage over Gpi stimulation alone.
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Affiliation(s)
- Naoki Nakano
- Department of Neurosurgery, Kinki University, School of Medicine, Osaka, Japan.
| | - Masaharu Miyauchi
- Department of Neurosurgery, Kinki University, School of Medicine, Osaka, Japan
| | - Kinya Nakanishi
- Department of Neurosurgery, Kinki University, School of Medicine, Osaka, Japan
| | - Kazumasa Saigoh
- Department of Neurology, Kinki University, School of Medicine, Osaka, Japan
| | - Yoshiyuki Mitsui
- Department of Neurology, Kinki University, School of Medicine, Osaka, Japan
| | - Amami Kato
- Department of Neurosurgery, Kinki University, School of Medicine, Osaka, Japan
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Lee JH, Cho WH, Cha SH, Kang DW. Globus pallidus interna deep brain stimulation for chorea-acanthocytosis. J Korean Neurosurg Soc 2015; 57:143-6. [PMID: 25733999 PMCID: PMC4345195 DOI: 10.3340/jkns.2015.57.2.143] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 04/17/2014] [Accepted: 05/13/2014] [Indexed: 11/27/2022] Open
Abstract
Chorea-acanthocytosis (ChAc) is a rare hereditary disorder characterized by involuntary choreiform movements and erythrocytic acanthocytosis. Pharmacotherapy for control of involuntary movements has generally been of limited benefit. Deep brain stimulation (DBS) has recently been used for treatment of some refractory cases of ChAc. We report here on the effect of bilateral high-frequency DBS of globus pallidus interna in a patient with ChAc.
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Affiliation(s)
- Jae-Hyeok Lee
- Department of Neurology, Pusan National University School of Medicine, Busan, Korea
| | - Won-Ho Cho
- Department of Neurosurgery, Pusan National University School of Medicine, Busan, Korea
| | - Seung-Heon Cha
- Department of Neurosurgery, Pusan National University School of Medicine, Busan, Korea
| | - Dong-Wan Kang
- Department of Neurosurgery, Pusan National University School of Medicine, Busan, Korea
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15
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Smith KM, Spindler MA. Uncommon applications of deep brain stimulation in hyperkinetic movement disorders. TREMOR AND OTHER HYPERKINETIC MOVEMENTS (NEW YORK, N.Y.) 2015; 5:278. [PMID: 25713746 PMCID: PMC4314611 DOI: 10.7916/d84x56hp] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/20/2014] [Indexed: 12/12/2022]
Abstract
Background In addition to the established indications of tremor and dystonia, deep brain stimulation (DBS) has been utilized less commonly for several hyperkinetic movement disorders, including medication-refractory myoclonus, ballism, chorea, and Gilles de la Tourette (GTS) and tardive syndromes. Given the lack of adequate controlled trials, it is difficult to translate published reports into clinical use. We summarize the literature, draw conclusions regarding efficacy when possible, and highlight concerns and areas for future study. Methods A Pubmed search was performed for English-language articles between January 1980 and June 2014. Studies were selected if they focused primarily on DBS to treat the conditions of focus. Results We identified 49 cases of DBS for myoclonus-dystonia, 21 for Huntington's disease, 15 for choreacanthocytosis, 129 for GTS, and 73 for tardive syndromes. Bilateral globus pallidus interna (GPi) DBS was the most frequently utilized procedure for all conditions except GTS, in which medial thalamic DBS was more common. While the majority of cases demonstrate some improvement, there are also reports of no improvement or even worsening of symptoms in each condition. The few studies including functional or quality of life outcomes suggest benefit. A limited number of studies included blinded on/off testing. There have been two double-blind controlled trials performed in GTS and a single prospective double-blind, uncontrolled trial in tardive syndromes. Patient characteristics, surgical target, stimulation parameters, and duration of follow-up varied among studies. Discussion Despite these extensive limitations, the literature overall supports the efficacy of DBS in these conditions, in particular GTS and tardive syndromes. For other conditions, the preliminary evidence from small studies is promising and encourages further study.
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Affiliation(s)
- Kara M Smith
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Meredith A Spindler
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
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Lim TT, Fernandez HH, Cooper S, Wilson KMK, Machado AG. Successful deep brain stimulation surgery with intraoperative magnetic resonance imaging on a difficult neuroacanthocytosis case: case report. Neurosurgery 2014; 73:E184-7; discussion E188. [PMID: 23615095 DOI: 10.1227/01.neu.0000429852.45073.73] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND AND IMPORTANCE Chorea acanthocytosis is a progressive hereditary neurodegenerative disorder characterized by hyperkinetic movements, seizures, and acanthocytosis in the absence of any lipid abnormality. Medical treatment is typically limited and disappointing. CLINICAL PRESENTATION We report on a 32-year-old patient with chorea acanthocytosis with a failed attempt at awake deep brain stimulation (DBS) surgery due to intraoperative seizures and postoperative intracranial hematoma. He then underwent a second DBS operation, but under general anesthesia and with intraoperative magnetic resonance imaging guidance. Marked improvement in his dystonia, chorea, and overall quality of life was noted 2 and 8 months postoperatively. CONCLUSION DBS surgery of the bilateral globus pallidus pars interna may be useful in controlling the hyperkinetic movements in neuroacanthocytosis. Because of the high propensity for seizures in this disorder, DBS performed under general anesthesia, with intraoperative magnetic resonance imaging guidance, may allow successful implantation while maintaining accurate target localization.
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Affiliation(s)
- Thien Thien Lim
- Center of Neurological Restoration, Neurological Institute, Cleveland Clinic, Ohio, USA.
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17
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Miquel M, Spampinato U, Latxague C, Aviles-Olmos I, Bader B, Bertram K, Bhatia K, Burbaud P, Burghaus L, Cho JW, Cuny E, Danek A, Foltynie T, Garcia Ruiz PJ, Giménez-Roldán S, Guehl D, Guridi J, Hariz M, Jarman P, Kefalopoulou ZM, Limousin P, Lipsman N, Lozano AM, Moro E, Ngy D, Rodriguez-Oroz MC, Shang H, Shin H, Walker RH, Yokochi F, Zrinzo L, Tison F. Short and long term outcome of bilateral pallidal stimulation in chorea-acanthocytosis. PLoS One 2013; 8:e79241. [PMID: 24223913 PMCID: PMC3818425 DOI: 10.1371/journal.pone.0079241] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 09/19/2013] [Indexed: 11/28/2022] Open
Abstract
Background Chorea-acanthocytosis (ChAc) is a neuroacanthocytosis syndrome presenting with severe movement disorders poorly responsive to drug therapy. Case reports suggest that bilateral deep brain stimulation (DBS) of the ventro-postero-lateral internal globus pallidus (GPi) may benefit these patients. To explore this issue, the present multicentre (n=12) retrospective study collected the short and long term outcome of 15 patients who underwent DBS. Methods Data were collected in a standardized way 2-6 months preoperatively, 1-5 months (early) and 6 months or more (late) after surgery at the last follow-up visit (mean follow-up: 29.5 months). Results Motor severity, assessed by the Unified Huntington’s Disease Rating Scale-Motor Score, UHDRS-MS), was significantly reduced at both early and late post-surgery time points (mean improvement 54.3% and 44.1%, respectively). Functional capacity (UHDRS-Functional Capacity Score) was also significantly improved at both post-surgery time points (mean 75.5% and 73.3%, respectively), whereas incapacity (UHDRS-Independence Score) improvement reached significance at early post-surgery only (mean 37.3%). Long term significant improvement of motor symptom severity (≥20 % from baseline) was observed in 61.5 % of the patients. Chorea and dystonia improved, whereas effects on dysarthria and swallowing were variable. Parkinsonism did not improve. Linear regression analysis showed that preoperative motor severity predicted motor improvement at both post-surgery time points. The most serious adverse event was device infection and cerebral abscess, and one patient died suddenly of unclear cause, 4 years after surgery. Conclusion This study shows that bilateral DBS of the GPi effectively reduces the severity of drug-resistant hyperkinetic movement disorders such as present in ChAc.
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Affiliation(s)
- Marie Miquel
- Service de Neurologie, CHU Bordeaux, Bordeaux, France
- Service de Neurologie, CH François Mitterrand, Pau, France
| | - Umberto Spampinato
- Service de Neurologie, CHU Bordeaux, Bordeaux, France
- Univ.Bordeaux-INSERM U862, Neurocentre Magendie, Bordeaux, France
- * E-mail:
| | | | - Iciar Aviles-Olmos
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Benedikt Bader
- Neurologische Klinik und Poliklinik, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Kelly Bertram
- Neurosciences, Alfred Hospital, Commercial Road, Melbourne, Victoria, Australia
- Van Cleef Roet Centre for Nervous Diseases, Monash University, Melbourne, Victoria, Australia
| | - Kailash Bhatia
- Sobell Department of Motor Neuroscience and Movement Disorders, University College London, Institute of Neurology, Queen Square, London, United Kingdom
| | - Pierre Burbaud
- Service de Neurophysiologie Clinique, CHU Bordeaux, Bordeaux, France
| | - Lothar Burghaus
- Department of Neurology, University Hospital Cologne, Cologne, Germany
| | - Jin Whan Cho
- Department of Neurology, Samsung Medical Centre, Sungkyunkwan University, School of Medicine, Seoul, Korea
| | - Emmanuel Cuny
- Service de Neurochirurgie, CHU Bordeaux, Bordeaux, France
| | - Adrian Danek
- Neurologische Klinik und Poliklinik, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Thomas Foltynie
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | | | | | - Dominique Guehl
- Service de Neurophysiologie Clinique, CHU Bordeaux, Bordeaux, France
| | - Jorge Guridi
- Neurology and Neurosurgical Department, Clinica Universidad de Navarra, Pamplona, Spain
| | - Marwan Hariz
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Paul Jarman
- National Hospital of Neurology and Neurosurgery, Queen Square, London, United Kingdom
| | - Zinovia Maria Kefalopoulou
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Patricia Limousin
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Nir Lipsman
- Division of Neurosurgery, Toronto Western Hospital, University of Toronto, University Health Network, Toronto, Ontario, Canada
| | - Andres M. Lozano
- Division of Neurosurgery, Toronto Western Hospital, University of Toronto, University Health Network, Toronto, Ontario, Canada
| | - Elena Moro
- Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, University of Toronto, University Health Network, Toronto, Ontario, Canada
- Movement Disorders Center, Department of Psychiatry and Neurology, University Hospital Centre of Grenoble, Grenoble, France
| | - Dhita Ngy
- Department of Neurology, Mount Sinai School of Medicine, New York, New York, United States of America
- Avicenna Medical Center, New York, New York, United States of America
| | - Maria Cruz Rodriguez-Oroz
- Department of Neurology, University Hospital Donostia, Neuroscience Unit, BioDonostia Research Institute, San Sebastian, Spain
| | - Huifang Shang
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hyeeun Shin
- Department of Neurology, Samsung Medical Centre, Sungkyunkwan University, School of Medicine, Seoul, Korea
| | - Ruth H. Walker
- Department of Neurology, Mount Sinai School of Medicine, New York, New York, United States of America
- Department of Neurology, James J. Peters Veterans Affairs Medical Center, Bronx, New York, United States of America
| | - Fusako Yokochi
- Department of Neurology, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
| | - Ludvic Zrinzo
- Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - François Tison
- Service de Neurologie, CHU Bordeaux, Bordeaux, France
- Université Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
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Woopen C, Pauls KAM, Koy A, Moro E, Timmermann L. Early application of deep brain stimulation: Clinical and ethical aspects. Prog Neurobiol 2013; 110:74-88. [DOI: 10.1016/j.pneurobio.2013.04.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2012] [Revised: 04/10/2013] [Accepted: 04/16/2013] [Indexed: 11/25/2022]
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Kefalopoulou Z, Zrinzo L, Aviles-Olmos I, Bhatia K, Jarman P, Jahanshahi M, Limousin P, Hariz M, Foltynie T. Deep brain stimulation as a treatment for chorea-acanthocytosis. J Neurol 2012; 260:303-5. [PMID: 23086180 DOI: 10.1007/s00415-012-6714-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Revised: 10/09/2012] [Accepted: 10/10/2012] [Indexed: 11/30/2022]
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Shin H, Ki CS, Cho AR, Lee JI, Ahn JY, Lee JH, Cho JW. Globus Pallidus Interna Deep Brain Stimulation Improves Chorea and Functional Status in a Patient with Chorea-Acanthocytosis. Stereotact Funct Neurosurg 2012; 90:273-7. [DOI: 10.1159/000338216] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Accepted: 02/28/2012] [Indexed: 11/19/2022]
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Walker RH. Update on the Non-Huntington's Disease Choreas with Comments on the Current Nomenclature. Tremor Other Hyperkinet Mov (N Y) 2012; 2:tre-02-49-211-1. [PMID: 23440598 PMCID: PMC3570038 DOI: 10.7916/d89p30cs] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Accepted: 08/08/2011] [Indexed: 12/23/2022] Open
Abstract
CHOREA CAN BE CAUSED BY A MULTITUDE OF ETIOLOGIES: neurodegenerative, pharmacological, structural, metabolic, and others. In absence of other apparent causes, exclusion of Huntington's disease is often a first step in the diagnostic process. There are a number of neurodegenerative disorders whose genetic etiology has been identified in the past decade. Molecular diagnosis has enabled genetic identification of disorder subtypes which were previously grouped together, such as the neurodegeneration with brain iron accumulation disorders and the neuroacanthocytosis syndromes, as well as identification of phenotypic outliers for recognized disorders. Correct molecular diagnosis is essential for genetic counseling and, hopefully, ultimately genetic therapies. In addition, there has recently been recognition of other disorders which can mimic neurodegenerative disorders, including paraneoplastic and prion disorders. This article focuses upon recent developments in the field but is not intended to provide an exhaustive review of all causes of chorea, which is available elsewhere. I also discuss the nomenclature of these disorders which has become somewhat unwieldy, but may ultimately be refined by association with the causative gene.
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Affiliation(s)
- Ruth H. Walker
- Departments of Neurology, James J. Peters Veterans Affairs Medical Center, Bronx, New York, United States of America
- Mount Sinai School of Medicine, New York City, New York, United States of America
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Tagliati M, Krack P, Volkmann J, Aziz T, Krauss JK, Kupsch A, Vidailhet AM. Long-Term management of DBS in dystonia: response to stimulation, adverse events, battery changes, and special considerations. Mov Disord 2011; 26 Suppl 1:S54-62. [PMID: 21692113 DOI: 10.1002/mds.23535] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Multiple independent case series have documented sustained benefit of bilateral pallidal deep brain stimulation (DBS) up to 3 years in patients with primary dystonia. Growing evidence exists for positive outcomes extending up to 10 years. The beneficial effects from DBS are usually reported to be stable, thus requiring little long-term modifications of the parameters of stimulation. Speech and swallowing abnormalities are less responsive than other dystonic symptoms. Symptom exacerbation after initial benefit has been reported in a few cases. It is not known whether this is related to potential tolerance or habituation to stimulation or to progression of the underlying disease. Failures of pallidal DBS, at least in primary dystonia patients, should not be accepted without further re-evaluation of each individual case, including possible revisions of the electrode location. Both hardware- and stimulation-related adverse effects, including insufficient relief of speech function, have been reported in the long-term. Despite early reports suggesting that hardware problems might be more frequent in dystonia, more recent studies did not confirm these observations. In patients with severe segmental (e.g., axial) or generalized dystonia, sudden cessation of stimulation may become a medical emergency and should be anticipated changing the neurostimulator before its natural end of life.
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Affiliation(s)
- Michele Tagliati
- Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.
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Edwards TC, Zrinzo L, Limousin P, Foltynie T. Deep brain stimulation in the treatment of chorea. Mov Disord 2011; 27:357-63. [PMID: 21997283 DOI: 10.1002/mds.23967] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Deep brain stimulation has been used as a means of reducing dyskinesias in various conditions, including Parkinson's disease and dystonia for many years. Recently, owing to the clinical similarities between L-dopa induced dyskinesia and chorea, deep brain stimulation has now been implemented as a novel treatment method in both Huntington's disease and neuroacanthocytosis, and a paucity of case studies exist reporting its efficacy. This review will summarize the case studies of deep brain stimulation in both Huntington's disease and neuroacanthocytosis, and discuss the possible implications and limitations associated with these reports. As both these disorders are often refractory to medication and difficult to treat, deep brain stimulation may be a useful treatment option in the future.
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Affiliation(s)
- Thomas C Edwards
- Sobell Department of Motor Neuroscience, UCL Institute of Neurology, Queen Square, London, WC1N 3BG, UK
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Deep brain stimulation of the globus pallidus internal improves symptoms of chorea-acanthocytosis. Neurol Sci 2011; 33:269-74. [PMID: 21863267 DOI: 10.1007/s10072-011-0741-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2011] [Accepted: 07/30/2011] [Indexed: 02/05/2023]
Abstract
Chorea-acanthocytosis is a rare autosomal recessive disorder. To date, treatment is only symptomatic and supportive. Results from the few reports of chorea-acanthocytosis patients treated with deep brain stimulation (DBS) have been inconsistent. We present case reports for two patients with chorea-acanthocytosis who received DBS treatment and compare the outcomes with results from the literature. Both patients showed the typical clinical features of chorea-acanthocytosis with motor symptoms resistant to medical treatment. Chorea was significantly improved following low-frequency DBS treatment in both patients. However, dystonia was only mildly improved. Four chorea-acanthocytosis patients treated with DBS treatment have been reported in the literature. One patient had improvement with low-frequency DBS stimulation, while another two had improvement with higher-frequency DBS. One patient, however, did not improve with either low-frequency or high-frequency DBS. Bilateral DBS to the GPi can improve chorea and dystonia in some patients with intractable chorea-acanthocytosis. However, selection criteria for the most promising candidates must be defined, and the long-term benefits evaluated in clinical studies.
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Capelle HH, Kinfe TM, Krauss JK. Deep brain stimulation for treatment of hemichorea-hemiballism after craniopharyngioma resection: long-term follow-up. J Neurosurg 2011; 115:966-70. [PMID: 21819190 DOI: 10.3171/2011.6.jns101388] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Hemichorea-hemiballism is a rare movement disorder that has various causes. In treatment-resistant cases, both thalamic and pallidal functional procedures have been shown to yield beneficial results. Until now it has not been clarified whether the thalamus or the pallidum would yield a superior outcome. After resection of a craniopharyngioma in this patient at the age of 49 years, hemichorea-hemiballism developed, with a latency of several weeks. Because the patient was greatly impaired by the movement disorder, she underwent implantation of deep brain stimulation (DBS) electrodes in the thalamic ventralis intermedius nucleus and the posteroventral lateral globus pallidus internus. Although both pallidal and thalamic stimulation could suppress the movement disorder, the voltage needed was clearly less with thalamic than with pallidal stimulation. At the last available follow-up 25 months postoperatively, complete subsidence of hemichorea-hemiballism was achieved with long-term thalamic stimulation. Long-term DBS therapy is an efficient treatment modality for refractory hemichorea-hemiballism in the long run (> 2 years). A bifocal (thalamic and pallidal) target paradigm allowed selection of the optimal stimulation site. Thalamic DBS was more favorable with regard to energy consumption.
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The neuropsychiatry of neuroacanthocytosis syndromes. Neurosci Biobehav Rev 2011; 35:1275-83. [DOI: 10.1016/j.neubiorev.2011.01.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Revised: 12/28/2010] [Accepted: 01/05/2011] [Indexed: 11/18/2022]
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