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J Korean Med Rehabi 2018 Oct; 28(4): 21-32  
An Investigation on the Effects of Wet Cupping on Wisu (BL21) for Non-acute Low Back Pain: A Pilot Randomized Controlled Trial
Published online October 31, 2018
Copyright © 2018 The Society of Korean Medicine Rehabilitation.

Hyungsuk Kim, K.M.D.*,†, Jae-Heung Cho, K.M.D.*,‡, Koh-Woon Kim, K.M.D.*,‡, Won-Seok Chung, K.M.D.*,†, Jae-Hyun Park, K.M.D.*,†, Woo-Chul Shin, K.M.D.*,†, Seok-Hee Chung, K.M.D.*,†

Department of Clinical Korean Medicine, Graduate School, Kyung Hee University*, Department of Korean Rehabilitation Medicine, Kyung Hee University Korean Medicine Hospital, Department of Korean Rehabilitation Medicine, Kyung Hee University Korean Medicine Hospital at Gangdong
Correspondence to: Seok-Hee Chung, Department of Korean Rehabilitation Medicine, Kyung Hee University Korean Medicine Hospital, 23 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
TEL (02) 958-9213
FAX (02) 958-9104
Received: September 13, 2018; Revised: October 6, 2018; Accepted: October 11, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objectives This study was designed to investigate the effects of wet cupping on Wisu(BL12) in non-acute low back pain patients.
Methods We recruited 30 participants for this study. Fifteen patients were randomly assigned to the Wisu (BL21) treatment group (WT group) and 15 were assigned to the non-acupoint treatment group (NT group). Both groups were treated with the pricking-cupping bloodletting method three times. Values at baseline and follow-up were analyzed by Wilcoxon signed rank test and the differences between the two groups were determined by Wilcoxon rank sum test. p-values less than 0.05 were considered significant. The primary outcome was the visual analogue scale (VAS), and secondary outcomes were the Oswestry disability index (ODI), Rolland-Morris disability questionnaire (RMDQ), Euroqol-5dimension questionnaire (EQ-5D) and finger-to-ground distance (FTGD). These outcomes were measured on the day of first treatment before the procedure and on follow-up 7 days after the last treatment.
Results Significant changes were identified in the VAS for pain and ODI in each group after wet cupping treatment on Wisu (p<0.05). However, no significant changes were found between groups. Meanwhile, RMDQ and EQ-5D were significantly decreased only in the NT group (p<0.05) without any differences between groups. FTGD was decreased in both groups, but not significantly.
Conclusions Wet cupping with both Wisu treatment and non-acupoint had significant effects on non-acute low back pain, although there were no differences between the two groups. A large-scale study is needed to identify the effect of wet cupping on Wisu.
Keywords : Low back pain, Wet cupping, Wisu, BL21(Weishu)

October 2018, 28 (4)

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