P6 acupressure may relieve nausea and vomiting after gynecological surgery: an effectiveness study in 410 women.

To investigate the effect of sensory stimulation of the P6 point on postoperative nausea and vomiting (PONV) after gynecological surgery in the everyday clinical setting (effectiveness study).
Four hundred and ten women undergoing general anesthesia for elective gynecological surgery were included in a prospective, consecutive, randomized, multicentre, placebo-controlled, double-blind clinical trial with a reference group. One group was given bilateral P6 acupressure (n = 135), a second group similar pressure on bilateral non-acupressure points (n = 139), and a third group (n = 136) served as reference group. Nausea (scale 0-6), vomiting, pain, and satisfaction with the treatment were recorded. Primary outcome was complete response, i.e., no nausea, vomiting or rescue medication for 24 hr. Results were analyzed by applying logistic regression with indicators of treatments, type of operation and risk score for PONV as explanatory variables.
Complete response was more frequent in the P6 acupressure group than in the reference group (P = 0.0194) Conversely, the incidence of PONV was 46% in the reference group, 38% after pressure on a non-acupoint and 33% after P6 acupressure. The decrease from 46% to 33% was statistically significant. When considering vaginal cases separately, the decrease in PONV was from 36% to 20% (P = 0.0168). The corresponding decrease from 59% to 55% in the laparoscopic surgery group was not statistically significant.
P6 acupressure is a non-invasive method that may have a place as prophylactic antiemetic therapy during gynecological surgery.
AuthorsAidah Alkaissi, Karin Evertsson, Vivi-Ann Johnsson, Lilli Ofenbartl, Sigga Kalman
JournalCanadian journal of anaesthesia = Journal canadien d'anestheĢsie (Can J Anaesth) Vol. 49 Issue 10 Pg. 1034-9 (Dec 2002) ISSN: 0832-610X [Print] Canada
PMID12477673 (Publication Type: Clinical Trial, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
  • Acupuncture Therapy
  • Female
  • Humans
  • Postoperative Nausea and Vomiting (etiology, prevention & control)
  • Prospective Studies
  • Risk Factors

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