• Byung-Cheul Shin, Jae-Heung Cho, In-Hyuk Ha, In Heo, Jun-Hwan Lee, Koh-Woon Kim, Me-Riong Kim, So-Young Jung, Ojin Kwon, Nam-Kwen Kim, Haeng-Mi Son, Dong-Wuk Son, and Kyung-Min Shin.
• Spine & Joint Center, Department of Korean Rehabilitation Medicine, Pusan National University Korean Medicine Hospital, Yangsan, 50612, South Korea.
• Trials. 2018 Jan 24; 19 (1): 65.

BackgroundAlthough pain after back surgery is known to be difficult to control, various treatment options are available to patients and physicians. A protocol for a confirmatory randomized controlled trial (RCT) on pain and function after back surgery was designed based on the results of a pilot trial. The aim of this study is to compare the effectiveness and safety of electroacupuncture (EA) with usual care (UC) versus UC alone on pain control and functional improvement after back surgery.Methods/DesignThis study is a multi-center, randomized, assessor-blinded trial with an active control conducted in conjunction with a cost-effectiveness analysis and qualitative research. Participants with non-acute low back pain with or without leg pain after back surgery who have a Visual Analogue Scale (VAS) pain intensity score ≥ 50 mm will be randomly assigned to either the EA with UC group (n = 54) or the UC group (n = 54). Following randomization, participants in both groups will receive the same UC treatment twice a week for a four-week treatment period. Participants assigned to the EA with UC group will additionally receive EA twice a week for the same four-week period. The primary outcome measure will be assessed using a VAS pain intensity score for low back pain. The secondary outcomes will include the Oswestry Disability Index, EuroQol 5-Dimension score, and drug intake. The primary and secondary outcomes will be measured at one, four, and eight weeks post randomization.DiscussionThe results of this study will provide evidence of the effectiveness and cost-effectiveness of EA in managing postoperative pain following back surgery. In addition, the qualitative research results will help improve the quality of integrative medical interventions.Trial RegistrationClinical Research Information Service (CRIS), Republic of Korea, KCT0001939 . Registered on 8 June 2016.

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