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KMID : 1129720150320010020
Korean Journal of Acupuncture
2015 Volume.32 No. 1 p.20 ~ p.29
Analgesic Effects of Electroacupuncture, Warm Needling and Radio Frequency Warm Needling on Surgical Ankle Sprain Model in Rats
¾ç½Â¹ü:Yang Seung-Bum
±è¹Î¼ö:Kim Min-Su/ÃÖ¼®ÁØ:Choi Suck-Jun/±èÀçÈ¿:Kim Jae-Hyo
Abstract
Objectives: The objectives of this study is to compare the effects of electroacupuncture(EA), warm needling(WN) and Radio Frequency warm needling(RFWN) stimulations on the acupoints at the artificially damaged ankles of Sprague-Dawley rats, which could be classified as the Grade 3.

Methods: The foot weight bearing force ratio(FWBFR) of ankle sprain was measured first at 24 hours after without any other stimulations. Pain Recovery Index(PRI) represents the analgesic level, and modified Pain Recovery Index(mPRI) shows the accumulated recovery level. PRI was measured at 2 hours after each stimulus on GB34, GB39 and GB42, and mPRI was during 7 days.

Results: EA stimulation of GB34 and GB39 acupoint in grade 3 ankle sprain showed a marked analgesic and recovery effect. RFWN of GB42 exhibited significant analgesic and pain recovery effect. RFWN of GB34 resulted in pain recovery effect but not analgesic effects, and RFWN of GB39 resulted in analgesic effect 2 hours after but not pain recovery. However, WN did not affect the pain recovery among three acupoints at all.

Conclusions: In the Grade 3 ankle sprain model, the difference of analgesic effects were explained by the acupoints and the stimulation methods according to the accumulated recovery effects during 7 days. It is insufficient to determine that a certain acupoint has a specific analgesic effect depending on the stimulation method by the results of this study. Therefore, the effects of each stimulation on the acupoints in any other meridians at the sprained ankle should be compared and analyzed.
KEYWORD
ankle sprain, foot weight bearing force ratio, electroacupuncture, warm needling, radio frequency warm needling
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