 40 female patients undergoing laparoscopy were included. Anaesthetized patients were randomly assigned to receive AA shen men, thalamus and one segmental organ-specific point or electrodes and electrical stimulation for 72 hours. Postoperatively patients received 1 g paracetamol every 6 hours and additional piritramide on demand. A blinded observer obtained the doses of piritramide and the visual analogue pain scores VAS at 0, 2, 24, 48, and 72 hours. 