Journal
OBESITY SURGERY
Volume 33, Issue 7, Pages 2176-2185Publisher
SPRINGER
DOI: 10.1007/s11695-023-06654-8
Keywords
Obesity; Analgesia; Postoperative pain; Complementary medicine; Acupuncture
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This study developed a method to identify acupuncture points based on pressure sensitivity and found that acupuncture treatment on gastrointestinal pressure points can effectively reduce postoperative pain, increase pain threshold, and cause changes in skin temperature.
Background It remains challenging in clinical practice to perform optimal pain management following bariatric surgeries. Acupuncture (AC) is an effective method of postoperative pain management, but its clinical efficacy depends on the rationale used to select AC points.Methods We developed a method to identify individual patterns of pain and a corresponding set of acupoints (corrAC) based on the relative pressure sensitivity of six abdominal visceral pressure points, i.e., the gastrointestinal (GI) checkpoints (G1-G6). Patients with moderate to severe pain were included and received a single AC treatment following surgery. The visual analog scale (VAS) score, pain threshold, and skin temperature were assessed before AC and at 5 min, 1 h, and 24 h following AC. AC was performed with 1-mm-deep permanent needles.Results From April 2021 to March 2022, 72 patients were included in the analysis. Fifty-nine patients received corrAC, whereas 13 received a noncorresponding AC (nonAC) as an internal control. Patients receiving corrAC showed a significant reduction (74%) in pain at 5 min after treatment (p < 0.0001) and a significant increase (37%) in the pain threshold (p < 0.0001). In this group, a significant increase in skin temperature above G1, G3, G4, and G5 was observed. Patients receiving nonAC showed neither significant pain reduction nor significant changes in pain threshold. The skin above G3 and G4 did not reveal temperature changes.Conclusion Checkpoint AC may be an effective tool in postoperative pain therapy after bariatric surgery. Vegetative functional involvement might be associated with pain relief.
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