P6 Acupressure May Relieve Nausea and Vomiting After Gynecological Surgery: An Effectiveness Study in 410 Women

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Journal Title, Volume, Page: 
Canadian Journal of Anesthesia Volume 49, Issue 10 , pp 1034-1039
Year of Publication: 
2002
Authors: 
Aidah Alkaissi
Department of Anaesthesiology and Intensive Care, University Hospital in Linköping, S-581 85, Linköping, Sweden
Current Affiliation: 
Department of Nursing and Midwifery, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus. Palestine
Karin Evertsson
Department of Anaesthesiology and Intensive Care, University Hospital in Linköping, S-581 85, Linköping, Sweden
Vivi-Ann Johnsson
Department of Anaesthesiology and Intensive Care, Västervik Hospital, Linköping, Sweden
Lilli Ofenbartl
Department of Anaesthesiology and Intensive Care, Eksjö Hospital, Linköping, Sweden
Sigga Kalman
Department of Anaesthesiology and Intensive Care, University Hospital in Linköping, S-581 85, Linköping, Sweden
Preferred Abstract (Original): 

Purpose 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).
Methods 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.
Results 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.
Conclusion P6 acupressure is a non-invasive method that may have a place as prophylactic antiemetic therapy during gynecological surgery.

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