Document Detail


The motor evoked potential in AIDS and HAM/TSP: state of the evidence.
MedLine Citation:
PMID:  20069238     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: We aimed to better understand the involvement of the corticospinal tract, assessed by non-invasive transcranial stimulation, in order to determine the actual involvement of the motor system in patients with HAM/TSP and AIDS. METHOD: An exhaustive MEDLINE search for the period of 1985 to 2008 for all articles cross-referenced for 'HTLV-I, HTLV-II, HTLV-III and HIV, HIV1, HIV2, evoked potential, motor evoked potential, high voltage electrical stimulation, transcranial magnetic stimulation, magnetic stimulation, corticomotor physiology, motor pathways, acquired immunodeficiency syndrome, AIDS, SIDA, tropical spastic paraparesis, HTLV-I-associated myelopathy, HAM, TSP, and HAM/TSP' were selected and analysed. RESULTS: Eighteen papers published in English, Spanish, Portuguese, French and Japanese were identified. Only the central motor conduction time has been analyzed in seropositive patients to human retroviruses. The investigations done on HAM/TSP support the involvement of the pyramidal tract mainly at lower levels, following a centripetal pattern; in AIDS, such an involvement seems to be more prominent at brain levels following a centrifugal pattern. CONCLUSION: The central motor conduction time abnormalities and involvement differences of the corticospinal tract of patients with AIDS and HAM/TSP dissected here would allow to re-orient early neurorehabilitation measures in these retroviruses-associated neurodegenerative disorders. Besides this, more sophisticated and sensitive non-invasive corticospinal stimulation measures that detect early changes in thalamocortical-basal ganglia circuitry will be needed in both clinically established as well as asymptomatic patients at times when the fastest corticospinal fibers remain uninvolved.
Authors:
Fidias E Leon-Sarmiento; Mohamed Elfakhani; Nash N Boutros
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Arquivos de neuro-psiquiatria     Volume:  67     ISSN:  1678-4227     ISO Abbreviation:  Arq Neuropsiquiatr     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2010-01-13     Completed Date:  2010-09-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0125444     Medline TA:  Arq Neuropsiquiatr     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  1157-63     Citation Subset:  IM    
Affiliation:
Unidad de Trastornos del Movimiento y Neurorehabilitacion, Seccion de Neurologia, Fundacion Santa Fe, Bogota, Colombia. feleones@gmail.com
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MeSH Terms
Descriptor/Qualifier:
Evoked Potentials, Motor / physiology*
HIV Infections / complications,  physiopathology*
Humans
Paraparesis, Tropical Spastic / complications,  physiopathology*
Physical Stimulation
Reaction Time / physiology
Grant Support
ID/Acronym/Agency:
R01 DA019055/DA/NIDA NIH HHS

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


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