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ID 17685
file
creator
Toda, Katsuhiro
Muneshige, Hiroshi
Asou, Tomohiro
subject
Current perception threshold
Neurometer
Neuroselective sensory nerve conduction threshold
Reflex sympathetic dystrophy
NDC
Medical sciences
abstract
The current perception threshold (CPT) test has been developed as one of the neuroselective sensory nerve conduction threshold tests. The score of the CPT of the affected side subtracted from the score of the CPT of the unaffected side in complex regional pain syndrome (CRPS) is expected to show pain objectively. The purpose of this study is to examine first whether the CPT of the affected side is generally lower than that of the unaffected side, and second, whether the greater score shows the more intense pain. The CPT of each side in 25 patients with unilateral CRPS type I was measured and compared. For the 2000Hz stimulus, the CPT of the affected side was 2677±262μAmp (mean±standard error) and the CPT of the unaffected side was 2194±247μAmp (p=0.0149). For the 250Hz stimulus, the CPT was 876±117μAmp and 721±73μAmp respectively (p>0.05). For the 5Hz stimulus, the CPT was 730±105μAmp and 448±56μAmp respectively (p=0.0018). In 2000Hz, 250Hz, and 5Hz stimuli, the CPT of the affected side was higher than that of the unaffected side. This shows that generally the affected side is less sensitive than the unaffected side in terms of current perception. The score of the CPT of the affected side subtracted from the score of the CPT of the unaffected side in CRPS does not measure the patient's pain.
journal title
Hiroshima Journal of Medical Sciences
volume
Volume 53
issue
Issue 1
start page
1
end page
5
date of issued
2004-03
publisher
Hiroshima University Medical Press
国立情報学研究所
issn
0018-2052
ncid
language
eng
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
department
University Medical Hospital
Graduate School of Biomedical Science
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