Document Detail


Bilateral high-frequency stimulation of the subthalamic nucleus in patients with multiple system atrophy--parkinsonism. Report of four cases.
MedLine Citation:
PMID:  12691416     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study was to investigate the effect of high-frequency stimulation (HFS) of the subthalamic nucleus (STN) in patients with a subtype of multiple system atrophy (MSA) in which levodopa-unresponsive MSA parkinsonism (MSA-P) is predominant. After a local anesthetic was administered, electrodes were stereotactically implanted bilaterally into the STN in four patients with MSA-P and predominantly akinetorigid symptoms. Unified Parkinson's Disease Rating Scale (UPDRS) scores were evaluated preoperatively, at 1 month, and at long-term follow up. At 1 month the median decrease in the UPDRS III motor score was 22 on the 56-point scale (decreases of 16, 13, 29, and 15 points compared with baseline for Cases 1, 2, 3, and 4, respectively). This was mainly due to an improvement in rigidity and akinesia. The median decrease in the UPDRS II score was 11 on the 52-point scale (respective decreases of 5, 7, 13, and 9 points). At 2 years (mean follow up 27 months) there was a median decrease in the UPDRS III score of 12 (respective decreases of 18, 13, 21, and 9 points), and in the UPDRS II score of 5 (with respective decreases of 2, 2, 17, and 2), both compared with the stimulation off state. At long-term follow up there was an increase in the individual Schwab and England scores of 10 to 15% in the stimulation on compared with the stimulation off condition. There was a beneficial effect of STN HFS in these four patients on both a short-term and a long-term basis. A larger prospective study is justified.
Authors:
Veerle Visser-Vandewalle; Yasin Temel; Henry Colle; Chris van der Linden
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of neurosurgery     Volume:  98     ISSN:  0022-3085     ISO Abbreviation:  J. Neurosurg.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-04-14     Completed Date:  2003-05-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0253357     Medline TA:  J Neurosurg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  882-7     Citation Subset:  AIM; IM    
Affiliation:
Department of Neurosurgery, Academic Hospital Maastricht, Maastricht, The Netherlands. vva@snch.azm.nl
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MeSH Terms
Descriptor/Qualifier:
Activities of Daily Living
Aged
Antiparkinson Agents / therapeutic use
Benzamides / diagnostic use
Combined Modality Therapy
Contrast Media
Electric Stimulation Therapy / instrumentation*
Female
Follow-Up Studies
Functional Laterality / physiology
Humans
Levodopa / therapeutic use
Male
Middle Aged
Multiple System Atrophy / metabolism,  pathology,  therapy*
Parkinson Disease / metabolism,  pathology,  therapy*
Pyrrolidines / diagnostic use
Subthalamic Nucleus / metabolism,  pathology*
Tomography, Emission-Computed, Single-Photon
Treatment Outcome
Chemical
Reg. No./Substance:
0/Antiparkinson Agents; 0/Benzamides; 0/Contrast Media; 0/Levodopa; 0/Pyrrolidines; 84226-06-2/3-iodo-2-hydroxy-6-methoxy-N-((1-ethyl-2-pyrrolidinyl)methyl)benzamide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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