scholarly journals Deep brain stimulation treatment in dystonia: a bibliometric analysis

2020 ◽  
Vol 78 (9) ◽  
pp. 586-592
Author(s):  
Clarice LISTIK ◽  
Eduardo LISTIK ◽  
Rubens Gisbert CURY ◽  
Egberto Reis BARBOSA ◽  
Manoel Jacobsen TEIXEIRA ◽  
...  
Keyword(s):  
Deep Brain Stimulation ◽  
Bibliometric Analysis ◽  
Brain Stimulation ◽  
The United States ◽  
Scientific Journals ◽  
Long Term Outcomes ◽  
Generalized Dystonia ◽  
Research Domain ◽  
Deep Brain

ABSTRACT Background: Dystonia is a heterogeneous disorder that, when refractory to medical treatment, may have a favorable response to deep brain stimulation (DBS). A practical way to have an overview of a research domain is through a bibliometric analysis, as it makes it more accessible for researchers and others outside the field to have an idea of its directions and needs. Objective: To analyze the 100 most cited articles in the use of DBS for dystonia treatment in the last 30 years. Methods: The research protocol was performed in June 2019 in Elsevier’s Scopus database, by retrieving the most cited articles regarding DBS in dystonia. We analyzed authors, year of publication, country, affiliation, and targets of DBS. Results: Articles are mainly published in Movement Disorders (19%), Journal of Neurosurgery (9%), and Neurology (9%). European countries offer significant contributions (57% of our sample). France (192.5 citations/paper) and Germany (144.1 citations/paper) have the highest citation rates of all countries. The United States contributes with 31% of the articles, with 129.8 citations/paper. The publications are focused on General outcomes (46%), followed by Long-term outcomes (12.5%), and Complications (11%), and the leading type of dystonia researched is idiopathic or inherited, isolated, segmental or generalized dystonia, with 27% of articles and 204.3 citations/paper. Conclusions: DBS in dystonia research is mainly published in a handful of scientific journals and focused on the outcomes of the surgery in idiopathic or inherited, isolated, segmental or generalized dystonia, and with globus pallidus internus as the main DBS target.

scholarly journals Successful Pallidal Deep Brain Stimulation Treatment in a Case of Generalized Dystonia due to a Novel ANO3 Mutation

2019 ◽  
Vol 2019 ◽  
pp. 1-2 ◽  
Author(s):  
Lizl Lasky ◽  
Lindsay Bliss ◽  
Christos Sidiropoulos
Keyword(s):  
Deep Brain Stimulation ◽  
Brain Stimulation ◽  
Case Series ◽  
Long Term Outcomes ◽  
Pallidal Stimulation ◽  
Generalized Dystonia ◽  
Pallidal Deep Brain Stimulation ◽  
Deep Brain

Background. Dystonia is a ubiquitous syndrome, with a growing number of genes being continually identified. Mutations in the anoctamin-3 gene have been described to cause dystonia but the management and long-term outcomes are still largely unknown. Methods. We present here a long term, longitudinal follow up of a patient with generalized dystonia, who was treated with bilateral pallidal deep brain stimulation and was found to harbor a mutation in the anoctamin-3 gene. Results. Ongoing adjustment of stimulation settings and medications led to good and sustained dystonia control; however the patient did suffer short term relapses, manifested as dystonic crisis, which necessitated inpatient admission. Conclusion. This only the second patient to be reported with pallidal stimulation and an anoctamin-3 gene mutation. Long term outcomes seem to be favorable but larger case series are needed to confirm our findings.

scholarly journals Deep Brain Stimulation for Tremor: Update on Long-Term Outcomes, Target Considerations and Future Directions

2021 ◽  
Vol 10 (16) ◽  
pp. 3468
Author(s):  
Naomi I. Kremer ◽  
Rik W. J. Pauwels ◽  
Nicolò G. Pozzi ◽  
Florian Lange ◽  
Jonas Roothans ◽  
...  
Keyword(s):  
Deep Brain Stimulation ◽  
Brain Stimulation ◽  
Focused Ultrasound ◽  
Neurosurgical Procedures ◽  
Drug Resistant ◽  
Long Term Outcomes ◽  
Future Directions ◽  
Ventral Intermediate Nucleus ◽  
Deep Brain

Deep brain stimulation (DBS) of the thalamic ventral intermediate nucleus is one of the main advanced neurosurgical treatments for drug-resistant tremor. However, not every patient may be eligible for this procedure. Nowadays, various other functional neurosurgical procedures are available. In particular cases, radiofrequency thalamotomy, focused ultrasound and radiosurgery are proven alternatives to DBS. Besides, other DBS targets, such as the posterior subthalamic area (PSA) or the dentato-rubro-thalamic tract (DRT), may be appraised as well. In this review, the clinical characteristics and pathophysiology of tremor syndromes, as well as long-term outcomes of DBS in different targets, will be summarized. The effectiveness and safety of lesioning procedures will be discussed, and an evidence-based clinical treatment approach for patients with drug-resistant tremor will be presented. Lastly, the future directions in the treatment of severe tremor syndromes will be elaborated.

Freezing of Gait After Bilateral Globus Pallidus Interna Deep Brain Stimulation in Generalized Dystonia

2020 ◽  
pp. 105-108
Author(s):  
Mariana Moscovich
Keyword(s):  
Deep Brain Stimulation ◽  
Globus Pallidus ◽  
Brain Stimulation ◽  
Freezing Of Gait ◽  
Left Handed ◽  
Old Left ◽  
Generalized Dystonia ◽  
Walking Difficulty ◽  
Deep Brain

Deep brain stimulation (DBS) of the globus pallidus internus (GPi) is a safe and long-term effective treatment for medication-refractory dystonia. However, complications and side effects may occur. Freezing of gait (FOG) is a rare phenomenon in patients with dystonia, although very frequently this complication is observed in patients with Parkinson disease (PD). FOG can be disabling and may severely impair quality of life, even when episodic. This chapter reports on a case of a 49-year-old left-handed man presenting with FOG, impairment in balance, and walking difficulty. These issues emerged 3 years after successful bilateral GPi DBS for primary generalized dystonia.

scholarly journals Long-Term Outcomes of Subcallosal Cingulate Deep Brain Stimulation for Treatment-Resistant Depression

2019 ◽  
Vol 176 (11) ◽  
pp. 949-956 ◽  
Author(s):  
Andrea L. Crowell ◽  
Patricio Riva-Posse ◽  
Paul E. Holtzheimer ◽  
Steven J. Garlow ◽  
Mary E. Kelley ◽  
...  
Keyword(s):  
Deep Brain Stimulation ◽  
Brain Stimulation ◽  
Treatment Resistant Depression ◽  
Treatment Resistant ◽  
Long Term Outcomes ◽  
Resistant Depression ◽  
Deep Brain

Disease Stabilization of DYT1-Positive Primary Generalized Dystonia With Deep Brain Stimulation of the Globus Pallidus Interna: A 15-Year Follow-up

2017 ◽  
Vol 14 (5) ◽  
pp. E53-E57 ◽  
Author(s):  
Derrick A Dupre ◽  
Raj Nangunoori ◽  
Sravanthi Koduri ◽  
Cindy Angle ◽  
Diane Cantella ◽  
...  
Keyword(s):  
Deep Brain Stimulation ◽  
Globus Pallidus ◽  
Brain Stimulation ◽  
Disease Stabilization ◽  
Long Term Follow Up ◽  
Generalized Dystonia ◽  
The Right ◽  
Deep Brain

Abstract BACKGROUND AND IMPORTANCE Primary generalized dystonia (PGD) is a genetic form of dystonia that frequently displays pharmacological resistance and progresses quickly after onset. Deep brain stimulation (DBS) has been used successfully to treat refractory dystonia, specifically globus pallidus interna (GPi) DBS for DYT1-positive PGD patients. Long-term follow-up of the safety and efficacy falls short of the longevity seen in other diseases treated with DBS. CASE PRESENTATION A male patient presented for neurosurgical evaluation with scapular winging, hand contractures, and violent truncal spasms, which forced him to be bedridden. After failing conservative therapy, the 18-yr-old patient was implanted with bilateral GPi-DBS. DBS parameter adjustments were made primarily within the first 3 yr after implantation, with nominal changes thereafter. Initial settings were contact of 3 + 0−, amplitude of 4.9 V, frequency of 185 Hz, and pulse width of 270 μsec on the left and 3 + 0−, 2.8 V, 185 Hz, and 120 μsec on the right. Current settings are 3 + 2 + 1−, 5.2 V, 130 Hz, 330 μsec on the left and 3 + 0−, 3.5 V, 185 Hz, and 180 μsec on the right and have been relatively unchanged in the past 4 yr. Unified dystonia rating scale scores reveal a significant decrease in dystonic symptoms. CONCLUSION While prior reports have shown that GPi-DBS is effective for dystonia, this is the first with 15 yr of long-term follow-up showing disease stabilization, suggesting that stimulation is efficacious and can potentially prevent disease progression. This report reaffirms previous reports that recommend early surgical intervention before the onset of permanent musculoskeletal deficits.

Deep Brain Stimulation for Disabling “Outflow” Tremors

2020 ◽  
pp. 229-232
Author(s):  
Danielle S. Shpiner ◽  
Sagari Bette ◽  
Corneliu C. Luca
Keyword(s):  
Deep Brain Stimulation ◽  
Brain Stimulation ◽  
Case Series ◽  
Long Term Outcomes ◽  
Significant Disability ◽  
Large Case Series ◽  
Clinically Significant ◽  
Site Of Stimulation ◽  
Deep Brain

“Outflow” tremors, sometimes referred to in the literature by a variety of terms (outflow, rubral, midbrain, Holmes), are frequently associated with significant disability and are notoriously unresponsive or only partially responsive to medical treatment. Deep brain stimulation (DBS) has been successfully used in patients with outflow tremors; however, long-term outcomes are not well-documented because large case series are hard to assemble. This chapter describes a patient with disabling outflow tremors secondary to multiple sclerosis, treated with unilateral thalamic DBS, who achieved excellent tremor control with initial programming but shortly afterward developed rebound tremor. Intensive programming involved alternating the site of stimulation by using different combinations of contacts; this was a successful strategy for maintaining a clinically significant reduction in tremor. Disease progression, worsening of tremor, habituation, and loss of efficacy are known problems with some tremors, and their management can be challenging. The pathophysiology of worsening tremor after DBS is discussed in the chapter, as are potential programming strategies to manage this problem.

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