Study: Tetanic Simulation of P6 Acupuncture Point Reduces Post-Operative Nausea and Vomiting

Tetanic simulation applied to the P6 acupuncture point can reduce post-operative nausea and vomiting after a laparoscopic hysterectomy, according to a study published in the April 2011 issue of Anesthesia & Analgesia.

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The study was conducted to test the efficacy of several neuromuscular monitoring modes at the P6 acupuncture point for preventing PONV. The researchers evaluated 264 women undergoing laparoscopic hysterectomy for PONV. Neuromuscular blockade was monitored by acceleromyography with 1-Hz single switch over the ulnar nerve, and ST, train-of-four, double-burst simulation or tetanus over the median nerve stimulating at the P6 acupuncture point.

Tetanic stimulation significantly reduced incidence of PONV, requests for patient-controlled analgesia and total patient-controlled analgesia volume, according to the study.

Read the abstract of the study in Anesthesia & Analgesia.

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