A research team from China and the USA performed a randomized controlled trial to study the effects of the pestle needle therapy a type of acupoint stimulation, on post-hemorrhoidectomy pain ((Wang et al. 2020)). The single-center, patient-assessor-blinded, and randomized controlled trial enrolled 154 patients who received Milligan hemorrhoidectomy surgery. The treatment group received the pestle needle therapy, with manual stimulation at Yaoshu (DU2), Mingmen (DU4), Changqiang (DU1), Chengshan (BL57), Erbai (EX-UE2), and the perianal points (1, 3, 5, 7, 9, and 11 o’clock around the lesion); while the control group received sham treatment with very light pressure. Three sessions of treatment were performed at 30 min, 4 h, and 12 h after the surgery, and each lasted for 15 min. The result showed that the mean pain score of the treatment group was significantly lower than that of the control group at 12 h after surgery; smaller dose of analgesic was needed within the first 24 hours after surgery; their HAMA scores before discharge were lower. Therefore, they concluded that pestle needle therapy was effective for relieving pain, reducing anxiety, and improving bowel function after hemorrhoidectomy.
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- Wang, Xian, Xuan Yin, Xiu-tian Guo, Yan Wang, Wen-qi Jin, Ai-jun Mao, Lixing Lao, Zhang-jin Zhang, Jie Zhang, and Shi-fen Xu. 2020. “Effects of the Pestle Needle Therapy, a Type of Acupoint Stimulation, on Post-Hemorrhoidectomy Pain: A Randomized Controlled Trial.” Journal of Integrative Medicine, August. https://doi.org/10.1016/j.joim.2020.08.001.