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Use of high-voltage cathodic current for pain in experimental nerve compression.
MedLine Citation:
PMID:  22460411     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To assess the effect of high-voltage cathodic current on pain from a sciatica experimental model. METHODS: A total of 16 male Wistar rats were submitted to the sciatica experimental model in the right hind paw. They were divided into sham group (GS) and group treated with cathodic current (GP-) for 20 min/daily, for 10 days). The model of sciatic compression was performed with a 4.0-chromic catgut thread tie in four points of the sciatic nerve. Assessment of nociception was performed by measuring the time during which the animal held its hind paw in a guarded position (THHP) and the pressure withdrawal threshold, by use of a digital electronic analgesymeter. Data collection was carried out before the sciatica experimental model (AS1), three days after compression (before, AS2, and after treatment, AS3), and five and 10 days after treatment (AS4 and AS5, respectively). RESULTS: According to the functional disability test, both groups showed an increase in nociception, with no reduction at any assessment time. Submitted to pressure, however, GS showed a reduction in the hind paw withdrawal threshold at all assessment times, while GP- showed a reduction in the hind paw withdrawal threshold only initially - at AS5, the threshold was restored. CONCLUSION: No change in nociception was observed on functional assessment; however, on pressure hind paw withdrawal assessment, the treatment with cathodic current showed to be effective with the summation of therapies.
Authors:
Gladson Ricardo Flor Bertolini; Cassiane Merigo do Nascimento; Daniela Martins Cunha; Elisangela Lourdes Artifon; Anamaria Meireles
Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Revista brasileira de reumatologia     Volume:  52     ISSN:  1809-4570     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-3-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404256     Medline TA:  Rev Bras Reumatol     Country:  -    
Other Details:
Languages:  ENG; POR     Pagination:  214-220     Citation Subset:  -    
Affiliation:
Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo.
Vernacular Title:
Uso da corrente catódica de alta voltagem sobre a dor em compressão nervosa experimental.
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