ArticleJournal of pain research2025
Pain Relief During Cystoscopic Ureteral Stent Extraction by Transcutaneous Electrical Acupoint Stimulation: A Double-Blinded, Randomized, Controlled Trial.
Article in Journal of pain research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
Background: Acupuncture has pain-relief effects, but no data are available on transcutaneous electrical acupoint stimulation (TEAS) for pain relief during transurethral removal of ureteral stents. This study aimed to evaluate the efficacy of TEAS in reducing pain during cystoscopic ureteral stent extraction. Methods: This prospective, double-blinded, randomized controlled trial enrolled 122 patients scheduled for cystoscopic ureteral stent removal between June 2023 and March 2024. Participants were randomized into three groups: TEAS at Hegu (LI4) and Neiguan (PC6) (Group A, n=37), TEAS at Sanyinjiao (SP6) and Zusanli (ST36) (Group B, n=38), and sham TEAS (Group C, n=47). TEAS or sham TEAS were administered 30 minutes before the procedure. The primary endpoint was pain measured by visual analog scale (VAS) at stent removal (T2). Secondary endpoints included VAS at cystoscope insertion (T1) and 10 minutes post-procedure (T3), along with hemodynamic parameters. Results: Baseline characteristics were comparable ( Conclusion: TEAS effectively reduces procedural and post-procedural pain during cystoscopic ureteral stent extraction without affecting hemodynamic stability. Notably, the analgesic effect of TEAS demonstrated gender-specific temporal patterns (Time × Gender interaction,
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