Document Detail

Motor nerve conduction study in cauda equina with high-voltage electrical stimulation in multifocal motor neuropathy and amyotrophic lateral sclerosis.
MedLine Citation:
PMID:  21254095     Owner:  NLM     Status:  In-Data-Review    
In this study we aim to establish a motor nerve conduction study (NCS) for the cauda equina and examine its usefulness in multifocal motor neuropathy (MMN) and amyotrophic lateral sclerosis (ALS). NCS of the tibial nerve proximal to the knee was performed with an optimized high-voltage electrical stimulation (HV-ES) method in 21 normal subjects, 5 with MMN, and 11 with ALS. HV-ES, but not magnetic stimulation, could supramaximally stimulate the cauda equina. Cauda equina motor conduction time determined by HV-ES, but not that with F-waves, correlated well with cauda equina length on magnetic resonance imaging. HV-ES revealed proximal lesions in 4 MMN patients but in none of the ALS patients. Importantly, 1 patient with "MMN without conduction block (CB)" had a CB in the cauda equina. Cauda equina motor conduction is better evaluated by HV-ES than with F-wave study or magnetic stimulation. HV-ES can help to distinguish MMN and "MMN without CB" from ALS. Muscle Nerve 43: 274-282, 2011.
Miho Akaza; Tadashi Kanouchi; Akira Inaba; Yoshiyuki Numasawa; Takashi Irioka; Hidehiro Mizusawa; Takanori Yokota
Related Documents :
7859065 - A midline area in the nucleus commissuralis of nts mediates the phrenic nerve responses...
16603385 - Kinesiological surface electromyography in normal children: range of normal activity an...
22434585 - The long-term functional recovery of repair of sciatic nerve transection with biogenic ...
8814715 - Extensive soft-tissue involvement of dermatomyositis detected by whole-body scintigraph...
19205995 - The transfer of current through skin and muscle during electrical stimulation with sine...
15782915 - Myosin heavy chain isoform expression is not altered in the pectoralis major muscle in ...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Muscle & nerve     Volume:  43     ISSN:  1097-4598     ISO Abbreviation:  Muscle Nerve     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803146     Medline TA:  Muscle Nerve     Country:  United States    
Other Details:
Languages:  eng     Pagination:  274-82     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Wiley Periodicals, Inc.
Department of Neurology and Neurological Science, Tokyo Medical and Dental University Graduate School, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

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

Previous Document:  Effects of formoterol on protein metabolism in myotubes during hyperthermia.
Next Document:  Genotyping mdx, mdx3cv, and mdx4cv mice by primer competition polymerase chain reaction.