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KMID : 0363320230440030455
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Journal of Korean Oriental Internal Medicine
2023 Volume.44 No. 3 p.455 ~ p.465
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Vagus Nerve Stimulation Through Electro-acupuncture for Inflammatory Bowel Disease
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Kim Min-Jeong
Kim Dong-Won
Park Chae-Hyun
Park Jae-Woo
Ko Seok-Jae
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Abstract
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Inflammatory bowel disease (IBD) is defined as a chronic inflammatory-mediated disease that causes ulceration and inflammation in the gastrointestinal tract. Among most patients, the course of chronic inflammation repeatedly shows intermittent exacerbations and alternating remissions. However, despite the various therapeutic options to relieve symptoms, such as corticosteroids, TNF-α inhibitors, and antibiotic drugs, there is no known cure for IBD. Nonetheless, previous research has revealed that the autonomic nervous system is involved in the pathophysiology of IBD. In this study, we reviewed clinical trials confirming the therapeutic effect of vagus nerve stimulation (VNS) on IBD in vivo. We searched in vivo and human studies on Pubmed using keywords combined with “vagus nerve stimulation”, “VNS”, and “inflammatory bowel disease”. All studies included in this review reported that direct VNS is effective in relieving symptoms of IBD and has no severe adverse effects. The most frequently stimulated site was the unilateral cervical vagus nerve area, and parameters for stimulation were set as 5-20 Hz. Based on the results, we aim to summarize the evidence for the efficacy of VNS on IBD and suggest the possibility of auricular electroacupuncture treatment as a therapeutic option for IBD.
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KEYWORD
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inflammatory bowel disease, auricular acupuncture, vagus nerve stimulation, narrative review
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