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Electroacupuncture for abdominal pain relief in patients with acute pancreatitis: A three-arm randomized controlled trial. 2023
BACKGROUND Electroacupuncture (EA) may reduce the severity of acute pancreatitis (AP) and provide additional pain relief in patients with chronic pancreatitis. However, the ability of EA to relieve pain in patients with AP has not been well documented. OBJECTIVE This study was undertaken to compare the pain-relieving effects of EA and conventional treatment in patients with AP. METHODS This study was conducted using a randomized, controlled, three-arm, parallel-group and multi-center design. Patients diagnosed with AP were randomly and equally assigned to EA1, EA2 or control groups. All participants received conventional standard-of-care therapy for AP. Local EA alone was administered in EA1, and local plus distal EA was given in EA2. Local EA included two abdominal acupoints, while distal EA included twelve peripheral acupoints. EA groups underwent one session of EA daily for 4 days (days 1-4), or until pain was resolved or discharged. METHODS The primary outcome measure was the change in the visual analogue scale (VAS; 0-100) pain score between baseline and day 5. RESULTS Eighty-nine participants were randomized into EA1, EA2 and control groups, and 88 (EA1, 30; EA2, 29; control, 29) were included in the full-analysis set. VAS score change (median [interquartile range]) on day 5 was (12.3 ± 22.5) in the EA1 group, (10.3 ± 21.5) in the EA2 group, and (8.9 ± 15.2) in the control group. There were not significant differences in the change in VAS score among treatments (P = 0.983). However, time to food intake was significantly shorter in the EA group (EA1 + EA2) than in the control group (median 2.0 days vs 3.0 days), with a hazard ratio of 0.581 (P = 0.022; 95% CI, 0.366-0.924). No significant adverse events occurred. CONCLUSIONS EA treatment did not significantly reduce pain after 4 days of treatment in patients with AP-associated abdominal pain but significantly reduced time to first food intake. BACKGROUND ClinicalTrials.gov identifier NCT03173222. Please cite this article as: Jang DK, Lee JK, Jung CY, Kim KH, Kang HR, Lee YS, Yoon JH, Joo KR, Chae MK, Baek YH, Seo BK, Lee SH, Lim C. Electroacupuncture for abdominal pain relief in patients with acute pancreatitis: A three-arm randomized controlled trial. J Integr Med. 2023; 21(6): 537-542.
