The efficiency of IV PCA with remifentanil and ketorolac after laparoscopic-assisted vaginal hysterectomy.

Background: This randomized, double-blinded clinical study was designed to evaluate the efficiency and safety of remifentanil with ketorolac for IV PCA after laparoscopic-assisted vaginal hysterectomy.

Methods: Eighty patients were randomly allocated into four groups. Group R received IV PCA using only remifentanil at a basal rate of 0.