anesthesia induction , electroacupuncture ( EA ) was applied to Hegu ( LI @ ) , Neiguan ( PC @ ) , Houxi ( SI @ ) and Zhigou ( TE @ ) for @ min ; during surgery , EA and intravenous medication were combined at the same acupoints as those before surgery ; after surgery , moxibustion and the analgesia pump were applied in combination for analgesia .