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Acupoint Needle-Embedding Combined with Ironing Therapy for Postoperative Pain After Anal Surgery
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Acupoint Stimulation After Anesthesia Induction Does Not Decrease Nausea and Vomiting After Hepatectomy: A

Shan He1, Zhifeng Lv2, Hongxia Wang3

  • 1Department of Anesthesiology and Perioperative Medicine, Provincial Key Laboratory of Traditional Chinese Medicine, Key Laboratory of Anesthesiology of Ministry of Education, Xijing Hospital, Fourth Military Medical University, Xi'an, China.

Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research
|April 20, 2026
PubMed
Summary
This summary is machine-generated.

Transcutaneous electrical acupoint stimulation (TEAS) did not significantly reduce postoperative nausea and vomiting (PONV) in hepatectomy patients. However, TEAS may decrease the need for patient-controlled analgesia, warranting further research.

Keywords:
Postoperative nausea and vomitingclinical trialhepatectomytranscutaneous electrical acupoint stimulation

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Area of Science:

  • Anesthesiology
  • Surgical Oncology
  • Integrative Medicine

Background:

  • Postoperative nausea and vomiting (PONV) is a common complication after hepatectomy.
  • Standard antiemetic regimens are often insufficient to fully prevent PONV.
  • Transcutaneous electrical acupoint stimulation (TEAS) is an emerging non-pharmacological intervention.

Purpose of the Study:

  • To evaluate the efficacy of adding TEAS to a standard double-antiemetic regimen for preventing PONV after hepatectomy.
  • To assess the impact of TEAS on PONV severity and pain management post-hepatectomy.

Main Methods:

  • A multicenter, double-blinded, randomized controlled trial was conducted.
  • Patients undergoing elective hepatectomy received either TEAS at the PC6 acupoint or sham stimulation.
  • The primary outcome was the incidence of PONV within 24 hours postoperatively.

Main Results:

  • No significant difference in PONV incidence was found between the TEAS and control groups (23.8% vs. 26.6%).
  • The TEAS group showed a trend towards reduced patient-controlled analgesia (PCA) use.
  • Recovery outcomes, including ambulation and gastrointestinal function, were similar between groups.

Conclusions:

  • Intraoperative TEAS did not significantly reduce PONV incidence in hepatectomy patients receiving antiemetic therapy.
  • TEAS may have a role in reducing analgesic requirements, meriting further investigation.
  • Optimizing TEAS protocols could enhance its utility in perioperative care for liver surgery patients.