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Simple measurement of spinal cord evoked potential: a valuable data source in the rat spinal cord injury model
Cited 11 time in
Web of Science
Cited 11 time in Scopus
- Authors
- Issue Date
- 2007-08-28
- Publisher
- Elsevier
- Citation
- J Clin Neurosci. 2007 Nov;14(11):1099-105. Epub 2007 Aug 24.
- Keywords
- Animals ; Disease Models, Animal ; Electrodes ; Evoked Potentials, Motor/*physiology ; Female ; Locomotion/physiology ; Predictive Value of Tests ; Pyramidal Tracts/pathology/*physiology ; Rats ; Rats, Sprague-Dawley ; Reaction Time/physiology ; Recovery of Function/physiology ; Spinal Cord Injuries/pathology/*physiopathology
- Abstract
- Measurement of spinal cord evoked potentials (SCEPs) is proposed as a means of predicting locomotion outcome in the rat spinal cord injury (SCI) model. Using 55 rats, three reproducible peak waves (waves I, II and III) were observed during stimulation at the C7 level with recording at the L1 epidural space. Hemisection at the T13 level showed three wave loss patterns: wave III loss only, loss of both wave II and III, and loss of all three waves. Defining an ideal SCI model as establishment of stable monoparesis or paraparesis, all animals in the wave II-III loss group showed favorable results. Histological data and electrophysiological properties allowed reasonable assumptions of wave origin: wave I from extrapyramidal tracts, wave II from the ventral corticospinal tract, and wave III from the dorsal corticospinal tract. Complete destruction of pyramidal tracts in both dorsal and ventral fibers was essential for long-term impairment of locomotion.
- ISSN
- 0967-5868 (Print)
- Language
- English
- URI
- http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WHP-4PGXF40-1&_user=404106&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000019238&_version=1&_urlVersion=0&_userid=404106&md5=fb36442cead3e816d038af5cef4e2447
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17719789
https://hdl.handle.net/10371/13277
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