Methods
ADVERSE EFFECTS
Sixty patients were enrolled in this study divided into two equal groups; duloxetine group each patient received an oral duloxetine capsule (60 mg) 1st dose at night before surgery, the 2nd dose 1 h preoperative, and the 3rd dose 24 h postoperative. Placebo group received placebo capsules at the same times. The cumulative morphine consumption in 48 h, postoperative VAS score, quality of recovery (QoR-40 score), sedation, and adverse effects were evaluated.